1 /*
2 * Copyright (c) 2003, 2019, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25 #include "precompiled.hpp"
26 #include "asm/macroAssembler.hpp"
27 #include "asm/macroAssembler.inline.hpp"
28 #include "ci/ciUtilities.hpp"
29 #include "gc/shared/barrierSet.hpp"
30 #include "gc/shared/barrierSetAssembler.hpp"
31 #include "gc/shared/barrierSetNMethod.hpp"
32 #include "interpreter/interpreter.hpp"
33 #include "nativeInst_x86.hpp"
34 #include "oops/instanceOop.hpp"
35 #include "oops/method.hpp"
36 #include "oops/objArrayKlass.hpp"
37 #include "oops/oop.inline.hpp"
38 #include "prims/methodHandles.hpp"
39 #include "runtime/frame.inline.hpp"
40 #include "runtime/handles.inline.hpp"
41 #include "runtime/sharedRuntime.hpp"
42 #include "runtime/stubCodeGenerator.hpp"
43 #include "runtime/stubRoutines.hpp"
44 #include "runtime/thread.inline.hpp"
45 #ifdef COMPILER2
46 #include "opto/runtime.hpp"
47 #endif
48 #if INCLUDE_ZGC
49 #include "gc/z/zThreadLocalData.hpp"
50 #endif
51
52 #ifdef __VECTOR_API_MATH_INTRINSICS_COMMON
53 // Vector API SVML routines written in assembly
54 extern "C"
55 {
56 float __svml_expf4_ha_ex(float a);
57 double __svml_exp1_ha_ex(double a);
58 double __svml_exp2_ha_ex(double a);
59 float __svml_expf4_ha_l9(float a);
60 float __svml_expf8_ha_l9(float a);
61 float __svml_expf4_ha_e9(float a);
62 float __svml_expf8_ha_e9(float a);
63 float __svml_expf16_ha_z0(float a);
64 double __svml_exp1_ha_l9(double a);
65 double __svml_exp2_ha_l9(double a);
66 double __svml_exp4_ha_l9(double a);
67 double __svml_exp1_ha_e9(double a);
68 double __svml_exp2_ha_e9(double a);
69 double __svml_exp4_ha_e9(double a);
70 double __svml_exp8_ha_z0(double a);
71 float __svml_expm1f4_ha_ex(float a);
72 double __svml_expm11_ha_ex(double a);
73 double __svml_expm12_ha_ex(double a);
74 float __svml_expm1f4_ha_l9(float a);
75 float __svml_expm1f8_ha_l9(float a);
76 float __svml_expm1f4_ha_e9(float a);
77 float __svml_expm1f8_ha_e9(float a);
78 float __svml_expm1f16_ha_z0(float a);
79 double __svml_expm11_ha_l9(double a);
80 double __svml_expm12_ha_l9(double a);
81 double __svml_expm14_ha_l9(double a);
82 double __svml_expm11_ha_e9(double a);
83 double __svml_expm12_ha_e9(double a);
84 double __svml_expm14_ha_e9(double a);
85 double __svml_expm18_ha_z0(double a);
86 float __svml_log1pf4_ha_l9(float a);
87 float __svml_log1pf8_ha_l9(float a);
88 float __svml_log1pf4_ha_e9(float a);
89 float __svml_log1pf8_ha_e9(float a);
90 float __svml_log1pf16_ha_z0(float a);
91 double __svml_log1p1_ha_l9(double a);
92 double __svml_log1p2_ha_l9(double a);
93 double __svml_log1p4_ha_l9(double a);
94 double __svml_log1p1_ha_e9(double a);
95 double __svml_log1p2_ha_e9(double a);
96 double __svml_log1p4_ha_e9(double a);
97 double __svml_log1p8_ha_z0(double a);
98 float __svml_logf4_ha_l9(float a);
99 float __svml_logf8_ha_l9(float a);
100 float __svml_logf4_ha_e9(float a);
101 float __svml_logf8_ha_e9(float a);
102 float __svml_logf16_ha_z0(float a);
103 double __svml_log1_ha_l9(double a);
104 double __svml_log2_ha_l9(double a);
105 double __svml_log4_ha_l9(double a);
106 double __svml_log1_ha_e9(double a);
107 double __svml_log2_ha_e9(double a);
108 double __svml_log4_ha_e9(double a);
109 double __svml_log8_ha_z0(double a);
110 float __svml_log10f4_ha_l9(float a);
111 float __svml_log10f8_ha_l9(float a);
112 float __svml_log10f4_ha_e9(float a);
113 float __svml_log10f8_ha_e9(float a);
114 float __svml_log10f16_ha_z0(float a);
115 double __svml_log101_ha_l9(double a);
116 double __svml_log102_ha_l9(double a);
117 double __svml_log104_ha_l9(double a);
118 double __svml_log101_ha_e9(double a);
119 double __svml_log102_ha_e9(double a);
120 double __svml_log104_ha_e9(double a);
121 double __svml_log108_ha_z0(double a);
122 float __svml_sinf4_ha_l9(float a);
123 float __svml_sinf8_ha_l9(float a);
124 float __svml_sinf4_ha_e9(float a);
125 float __svml_sinf8_ha_e9(float a);
126 float __svml_sinf16_ha_z0(float a);
127 double __svml_sin1_ha_l9(double a);
128 double __svml_sin2_ha_l9(double a);
129 double __svml_sin4_ha_l9(double a);
130 double __svml_sin1_ha_e9(double a);
131 double __svml_sin2_ha_e9(double a);
132 double __svml_sin4_ha_e9(double a);
133 double __svml_sin8_ha_z0(double a);
134 float __svml_cosf4_ha_l9(float a);
135 float __svml_cosf8_ha_l9(float a);
136 float __svml_cosf4_ha_e9(float a);
137 float __svml_cosf8_ha_e9(float a);
138 float __svml_cosf16_ha_z0(float a);
139 double __svml_cos1_ha_l9(double a);
140 double __svml_cos2_ha_l9(double a);
141 double __svml_cos4_ha_l9(double a);
142 double __svml_cos1_ha_e9(double a);
143 double __svml_cos2_ha_e9(double a);
144 double __svml_cos4_ha_e9(double a);
145 double __svml_cos8_ha_z0(double a);
146 float __svml_tanf4_ha_l9(float a);
147 float __svml_tanf8_ha_l9(float a);
148 float __svml_tanf4_ha_e9(float a);
149 float __svml_tanf8_ha_e9(float a);
150 float __svml_tanf16_ha_z0(float a);
151 double __svml_tan1_ha_l9(double a);
152 double __svml_tan2_ha_l9(double a);
153 double __svml_tan4_ha_l9(double a);
154 double __svml_tan1_ha_e9(double a);
155 double __svml_tan2_ha_e9(double a);
156 double __svml_tan4_ha_e9(double a);
157 double __svml_tan8_ha_z0(double a);
158 double __svml_sinh1_ha_l9(double a);
159 double __svml_sinh2_ha_l9(double a);
160 double __svml_sinh4_ha_l9(double a);
161 double __svml_sinh1_ha_e9(double a);
162 double __svml_sinh2_ha_e9(double a);
163 double __svml_sinh4_ha_e9(double a);
164 double __svml_sinh8_ha_z0(double a);
165 float __svml_sinhf4_ha_l9(float a);
166 float __svml_sinhf8_ha_l9(float a);
167 float __svml_sinhf4_ha_e9(float a);
168 float __svml_sinhf8_ha_e9(float a);
169 float __svml_sinhf16_ha_z0(float a);
170 double __svml_cosh1_ha_l9(double a);
171 double __svml_cosh2_ha_l9(double a);
172 double __svml_cosh4_ha_l9(double a);
173 double __svml_cosh1_ha_e9(double a);
174 double __svml_cosh2_ha_e9(double a);
175 double __svml_cosh4_ha_e9(double a);
176 double __svml_cosh8_ha_z0(double a);
177 float __svml_coshf4_ha_l9(float a);
178 float __svml_coshf8_ha_l9(float a);
179 float __svml_coshf4_ha_e9(float a);
180 float __svml_coshf8_ha_e9(float a);
181 float __svml_coshf16_ha_z0(float a);
182 double __svml_tanh1_ha_l9(double a);
183 double __svml_tanh2_ha_l9(double a);
184 double __svml_tanh4_ha_l9(double a);
185 double __svml_tanh1_ha_e9(double a);
186 double __svml_tanh2_ha_e9(double a);
187 double __svml_tanh4_ha_e9(double a);
188 double __svml_tanh8_ha_z0(double a);
189 float __svml_tanhf4_ha_l9(float a);
190 float __svml_tanhf8_ha_l9(float a);
191 float __svml_tanhf4_ha_e9(float a);
192 float __svml_tanhf8_ha_e9(float a);
193 float __svml_tanhf16_ha_z0(float a);
194 float __svml_acosf4_ha_ex(float a);
195 float __svml_acosf4_ha_l9(float a);
196 float __svml_acosf8_ha_l9(float a);
197 float __svml_acosf4_ha_e9(float a);
198 float __svml_acosf8_ha_e9(float a);
199 float __svml_acosf16_ha_z0(float a);
200 double __svml_acos1_ha_ex(double a);
201 double __svml_acos2_ha_ex(double a);
202 double __svml_acos1_ha_l9(double a);
203 double __svml_acos2_ha_l9(double a);
204 double __svml_acos4_ha_l9(double a);
205 double __svml_acos1_ha_e9(double a);
206 double __svml_acos2_ha_e9(double a);
207 double __svml_acos4_ha_e9(double a);
208 double __svml_acos8_ha_z0(double a);
209 float __svml_asinf4_ha_ex(float a);
210 double __svml_asin1_ha_ex(double a);
211 double __svml_asin2_ha_ex(double a);
212 double __svml_asin1_ha_l9(double a);
213 double __svml_asin2_ha_l9(double a);
214 double __svml_asin4_ha_l9(double a);
215 double __svml_asin1_ha_e9(double a);
216 double __svml_asin2_ha_e9(double a);
217 double __svml_asin4_ha_e9(double a);
218 double __svml_asin8_ha_z0(double a);
219 float __svml_asinf4_ha_l9(float a);
220 float __svml_asinf8_ha_l9(float a);
221 float __svml_asinf4_ha_e9(float a);
222 float __svml_asinf8_ha_e9(float a);
223 float __svml_asinf16_ha_z0(float a);
224 float __svml_atanf4_ha_ex(float a);
225 double __svml_atan1_ha_ex(double a);
226 double __svml_atan2_ha_ex(double a);
227 double __svml_atan1_ha_l9(double a);
228 double __svml_atan2_ha_l9(double a);
229 double __svml_atan4_ha_l9(double a);
230 double __svml_atan1_ha_e9(double a);
231 double __svml_atan2_ha_e9(double a);
232 double __svml_atan4_ha_e9(double a);
233 double __svml_atan8_ha_z0(double a);
234 float __svml_atanf4_ha_l9(float a);
235 float __svml_atanf8_ha_l9(float a);
236 float __svml_atanf4_ha_e9(float a);
237 float __svml_atanf8_ha_e9(float a);
238 float __svml_atanf16_ha_z0(float a);
239 float __svml_powf4_ha_l9(float a, float b);
240 float __svml_powf8_ha_l9(float a, float b);
241 float __svml_powf4_ha_e9(float a, float b);
242 float __svml_powf8_ha_e9(float a, float b);
243 float __svml_powf16_ha_z0(float a, float b);
244 double __svml_pow1_ha_l9(double a, double b);
245 double __svml_pow2_ha_l9(double a, double b);
246 double __svml_pow4_ha_l9(double a, double b);
247 double __svml_pow1_ha_e9(double a, double b);
248 double __svml_pow2_ha_e9(double a, double b);
249 double __svml_pow4_ha_e9(double a, double b);
250 double __svml_pow8_ha_z0(double a, double b);
251 float __svml_hypotf4_ha_l9(float a, float b);
252 float __svml_hypotf8_ha_l9(float a, float b);
253 float __svml_hypotf4_ha_e9(float a, float b);
254 float __svml_hypotf8_ha_e9(float a, float b);
255 float __svml_hypotf16_ha_z0(float a, float b);
256 double __svml_hypot1_ha_l9(double a, double b);
257 double __svml_hypot2_ha_l9(double a, double b);
258 double __svml_hypot4_ha_l9(double a, double b);
259 double __svml_hypot1_ha_e9(double a, double b);
260 double __svml_hypot2_ha_e9(double a, double b);
261 double __svml_hypot4_ha_e9(double a, double b);
262 double __svml_hypot8_ha_z0(double a, double b);
263 float __svml_cbrtf4_ha_l9(float a);
264 float __svml_cbrtf8_ha_l9(float a);
265 float __svml_cbrtf4_ha_e9(float a);
266 float __svml_cbrtf8_ha_e9(float a);
267 float __svml_cbrtf16_ha_z0(float a);
268 double __svml_cbrt1_ha_l9(double a);
269 double __svml_cbrt2_ha_l9(double a);
270 double __svml_cbrt4_ha_l9(double a);
271 double __svml_cbrt1_ha_e9(double a);
272 double __svml_cbrt2_ha_e9(double a);
273 double __svml_cbrt4_ha_e9(double a);
274 double __svml_cbrt8_ha_z0(double a);
275 float __svml_atan2f4_ha_l9(float a, float b);
276 float __svml_atan2f8_ha_l9(float a, float b);
277 float __svml_atan2f4_ha_e9(float a, float b);
278 float __svml_atan2f8_ha_e9(float a, float b);
279 float __svml_atan2f16_ha_z0(float a, float b);
280 double __svml_atan21_ha_l9(double a, double b);
281 double __svml_atan22_ha_l9(double a, double b);
282 double __svml_atan24_ha_l9(double a, double b);
283 double __svml_atan28_ha_z0(double a, double b);
284 double __svml_atan21_ha_e9(double a, double b);
285 double __svml_atan22_ha_e9(double a, double b);
286 double __svml_atan24_ha_e9(double a, double b);
287 float __svml_sinf4_ha_ex(float a);
288 double __svml_sin1_ha_ex(double a);
289 double __svml_sin2_ha_ex(double a);
290 float __svml_cosf4_ha_ex(float a);
291 double __svml_cos1_ha_ex(double a);
292 double __svml_cos2_ha_ex(double a);
293 float __svml_tanf4_ha_ex(float a);
294 double __svml_tan1_ha_ex(double a);
295 double __svml_tan2_ha_ex(double a);
296 float __svml_sinhf4_ha_ex(float a);
297 double __svml_sinh1_ha_ex(double a);
298 double __svml_sinh2_ha_ex(double a);
299 float __svml_coshf4_ha_ex(float a);
300 double __svml_cosh1_ha_ex(double a);
301 double __svml_cosh2_ha_ex(double a);
302 float __svml_tanhf4_ha_ex(float a);
303 double __svml_tanh1_ha_ex(double a);
304 double __svml_tanh2_ha_ex(double a);
305 double __svml_log1_ha_ex(double a);
306 double __svml_log2_ha_ex(double a);
307 double __svml_log1p1_ha_ex(double a);
308 double __svml_log1p2_ha_ex(double a);
309 double __svml_log101_ha_ex(double a);
310 double __svml_log102_ha_ex(double a);
311 float __svml_logf4_ha_ex(float a);
312 float __svml_log1pf4_ha_ex(float a);
313 float __svml_log10f4_ha_ex(float a);
314 double __svml_atan21_ha_ex(double a);
315 double __svml_atan22_ha_ex(double a);
316 float __svml_atan2f4_ha_ex(float a);
317 float __svml_hypotf4_ha_ex(float a);
318 double __svml_hypot1_ha_ex(double a);
319 double __svml_hypot2_ha_ex(double a);
320 double __svml_pow1_ha_ex(double a);
321 double __svml_pow2_ha_ex(double a);
322 float __svml_powf4_ha_ex(float a);
323 double __svml_cbrt1_ha_ex(double a);
324 double __svml_cbrt2_ha_ex(double a);
325 float __svml_cbrtf4_ha_ex(float a);
326 }
327 #endif
328
329 // Declaration and definition of StubGenerator (no .hpp file).
330 // For a more detailed description of the stub routine structure
331 // see the comment in stubRoutines.hpp
332
333 #define __ _masm->
334 #define TIMES_OOP (UseCompressedOops ? Address::times_4 : Address::times_8)
335 #define a__ ((Assembler*)_masm)->
336
337 #ifdef PRODUCT
338 #define BLOCK_COMMENT(str) /* nothing */
339 #else
340 #define BLOCK_COMMENT(str) __ block_comment(str)
341 #endif
342
343 #define BIND(label) bind(label); BLOCK_COMMENT(#label ":")
344 const int MXCSR_MASK = 0xFFC0; // Mask out any pending exceptions
345
346 // Stub Code definitions
347
348 class StubGenerator: public StubCodeGenerator {
349 private:
350
351 #ifdef PRODUCT
352 #define inc_counter_np(counter) ((void)0)
353 #else
354 void inc_counter_np_(int& counter) {
355 // This can destroy rscratch1 if counter is far from the code cache
356 __ incrementl(ExternalAddress((address)&counter));
357 }
358 #define inc_counter_np(counter) \
359 BLOCK_COMMENT("inc_counter " #counter); \
360 inc_counter_np_(counter);
361 #endif
362
363 // Call stubs are used to call Java from C
364 //
365 // Linux Arguments:
366 // c_rarg0: call wrapper address address
367 // c_rarg1: result address
368 // c_rarg2: result type BasicType
369 // c_rarg3: method Method*
370 // c_rarg4: (interpreter) entry point address
371 // c_rarg5: parameters intptr_t*
372 // 16(rbp): parameter size (in words) int
373 // 24(rbp): thread Thread*
374 //
375 // [ return_from_Java ] <--- rsp
376 // [ argument word n ]
377 // ...
378 // -12 [ argument word 1 ]
379 // -11 [ saved r15 ] <--- rsp_after_call
380 // -10 [ saved r14 ]
381 // -9 [ saved r13 ]
382 // -8 [ saved r12 ]
383 // -7 [ saved rbx ]
384 // -6 [ call wrapper ]
385 // -5 [ result ]
386 // -4 [ result type ]
387 // -3 [ method ]
388 // -2 [ entry point ]
389 // -1 [ parameters ]
390 // 0 [ saved rbp ] <--- rbp
391 // 1 [ return address ]
392 // 2 [ parameter size ]
393 // 3 [ thread ]
394 //
395 // Windows Arguments:
396 // c_rarg0: call wrapper address address
397 // c_rarg1: result address
398 // c_rarg2: result type BasicType
399 // c_rarg3: method Method*
400 // 48(rbp): (interpreter) entry point address
401 // 56(rbp): parameters intptr_t*
402 // 64(rbp): parameter size (in words) int
403 // 72(rbp): thread Thread*
404 //
405 // [ return_from_Java ] <--- rsp
406 // [ argument word n ]
407 // ...
408 // -60 [ argument word 1 ]
409 // -59 [ saved xmm31 ] <--- rsp after_call
410 // [ saved xmm16-xmm30 ] (EVEX enabled, else the space is blank)
411 // -27 [ saved xmm15 ]
412 // [ saved xmm7-xmm14 ]
413 // -9 [ saved xmm6 ] (each xmm register takes 2 slots)
414 // -7 [ saved r15 ]
415 // -6 [ saved r14 ]
416 // -5 [ saved r13 ]
417 // -4 [ saved r12 ]
418 // -3 [ saved rdi ]
419 // -2 [ saved rsi ]
420 // -1 [ saved rbx ]
421 // 0 [ saved rbp ] <--- rbp
422 // 1 [ return address ]
423 // 2 [ call wrapper ]
424 // 3 [ result ]
425 // 4 [ result type ]
426 // 5 [ method ]
427 // 6 [ entry point ]
428 // 7 [ parameters ]
429 // 8 [ parameter size ]
430 // 9 [ thread ]
431 //
432 // Windows reserves the callers stack space for arguments 1-4.
433 // We spill c_rarg0-c_rarg3 to this space.
434
435 // Call stub stack layout word offsets from rbp
436 enum call_stub_layout {
437 #ifdef _WIN64
438 xmm_save_first = 6, // save from xmm6
439 xmm_save_last = 31, // to xmm31
440 xmm_save_base = -9,
441 rsp_after_call_off = xmm_save_base - 2 * (xmm_save_last - xmm_save_first), // -27
442 r15_off = -7,
443 r14_off = -6,
444 r13_off = -5,
445 r12_off = -4,
446 rdi_off = -3,
447 rsi_off = -2,
448 rbx_off = -1,
449 rbp_off = 0,
450 retaddr_off = 1,
451 call_wrapper_off = 2,
452 result_off = 3,
453 result_type_off = 4,
454 method_off = 5,
455 entry_point_off = 6,
456 parameters_off = 7,
457 parameter_size_off = 8,
458 thread_off = 9
459 #else
460 rsp_after_call_off = -12,
461 mxcsr_off = rsp_after_call_off,
462 r15_off = -11,
463 r14_off = -10,
464 r13_off = -9,
465 r12_off = -8,
466 rbx_off = -7,
467 call_wrapper_off = -6,
468 result_off = -5,
469 result_type_off = -4,
470 method_off = -3,
471 entry_point_off = -2,
472 parameters_off = -1,
473 rbp_off = 0,
474 retaddr_off = 1,
475 parameter_size_off = 2,
476 thread_off = 3
477 #endif
478 };
479
480 #ifdef _WIN64
481 Address xmm_save(int reg) {
482 assert(reg >= xmm_save_first && reg <= xmm_save_last, "XMM register number out of range");
483 return Address(rbp, (xmm_save_base - (reg - xmm_save_first) * 2) * wordSize);
484 }
485 #endif
486
487 address generate_call_stub(address& return_address) {
488 assert((int)frame::entry_frame_after_call_words == -(int)rsp_after_call_off + 1 &&
489 (int)frame::entry_frame_call_wrapper_offset == (int)call_wrapper_off,
490 "adjust this code");
491 StubCodeMark mark(this, "StubRoutines", "call_stub");
492 address start = __ pc();
493
494 // same as in generate_catch_exception()!
495 const Address rsp_after_call(rbp, rsp_after_call_off * wordSize);
496
497 const Address call_wrapper (rbp, call_wrapper_off * wordSize);
498 const Address result (rbp, result_off * wordSize);
499 const Address result_type (rbp, result_type_off * wordSize);
500 const Address method (rbp, method_off * wordSize);
501 const Address entry_point (rbp, entry_point_off * wordSize);
502 const Address parameters (rbp, parameters_off * wordSize);
503 const Address parameter_size(rbp, parameter_size_off * wordSize);
504
505 // same as in generate_catch_exception()!
506 const Address thread (rbp, thread_off * wordSize);
507
508 const Address r15_save(rbp, r15_off * wordSize);
509 const Address r14_save(rbp, r14_off * wordSize);
510 const Address r13_save(rbp, r13_off * wordSize);
511 const Address r12_save(rbp, r12_off * wordSize);
512 const Address rbx_save(rbp, rbx_off * wordSize);
513
514 // stub code
515 __ enter();
516 __ subptr(rsp, -rsp_after_call_off * wordSize);
517
518 // save register parameters
519 #ifndef _WIN64
520 __ movptr(parameters, c_rarg5); // parameters
521 __ movptr(entry_point, c_rarg4); // entry_point
522 #endif
523
524 __ movptr(method, c_rarg3); // method
525 __ movl(result_type, c_rarg2); // result type
526 __ movptr(result, c_rarg1); // result
527 __ movptr(call_wrapper, c_rarg0); // call wrapper
528
529 // save regs belonging to calling function
530 __ movptr(rbx_save, rbx);
531 __ movptr(r12_save, r12);
532 __ movptr(r13_save, r13);
533 __ movptr(r14_save, r14);
534 __ movptr(r15_save, r15);
535
536 #ifdef _WIN64
537 int last_reg = 15;
538 if (UseAVX > 2) {
539 last_reg = 31;
540 }
541 if (VM_Version::supports_evex()) {
542 for (int i = xmm_save_first; i <= last_reg; i++) {
543 __ vextractf32x4(xmm_save(i), as_XMMRegister(i), 0);
544 }
545 } else {
546 for (int i = xmm_save_first; i <= last_reg; i++) {
547 __ movdqu(xmm_save(i), as_XMMRegister(i));
548 }
549 }
550
551 const Address rdi_save(rbp, rdi_off * wordSize);
552 const Address rsi_save(rbp, rsi_off * wordSize);
553
554 __ movptr(rsi_save, rsi);
555 __ movptr(rdi_save, rdi);
556 #else
557 const Address mxcsr_save(rbp, mxcsr_off * wordSize);
558 {
559 Label skip_ldmx;
560 __ stmxcsr(mxcsr_save);
561 __ movl(rax, mxcsr_save);
562 __ andl(rax, MXCSR_MASK); // Only check control and mask bits
563 ExternalAddress mxcsr_std(StubRoutines::addr_mxcsr_std());
564 __ cmp32(rax, mxcsr_std);
565 __ jcc(Assembler::equal, skip_ldmx);
566 __ ldmxcsr(mxcsr_std);
567 __ bind(skip_ldmx);
568 }
569 #endif
570
571 // Load up thread register
572 __ movptr(r15_thread, thread);
573 __ reinit_heapbase();
574
575 #ifdef ASSERT
576 // make sure we have no pending exceptions
577 {
578 Label L;
579 __ cmpptr(Address(r15_thread, Thread::pending_exception_offset()), (int32_t)NULL_WORD);
580 __ jcc(Assembler::equal, L);
581 __ stop("StubRoutines::call_stub: entered with pending exception");
582 __ bind(L);
583 }
584 #endif
585
586 // pass parameters if any
587 BLOCK_COMMENT("pass parameters if any");
588 Label parameters_done;
589 __ movl(c_rarg3, parameter_size);
590 __ testl(c_rarg3, c_rarg3);
591 __ jcc(Assembler::zero, parameters_done);
592
593 Label loop;
594 __ movptr(c_rarg2, parameters); // parameter pointer
595 __ movl(c_rarg1, c_rarg3); // parameter counter is in c_rarg1
596 __ BIND(loop);
597 __ movptr(rax, Address(c_rarg2, 0));// get parameter
598 __ addptr(c_rarg2, wordSize); // advance to next parameter
599 __ decrementl(c_rarg1); // decrement counter
600 __ push(rax); // pass parameter
601 __ jcc(Assembler::notZero, loop);
602
603 // call Java function
604 __ BIND(parameters_done);
605 __ movptr(rbx, method); // get Method*
606 __ movptr(c_rarg1, entry_point); // get entry_point
607 __ mov(r13, rsp); // set sender sp
608 BLOCK_COMMENT("call Java function");
609 __ call(c_rarg1);
610
611 BLOCK_COMMENT("call_stub_return_address:");
612 return_address = __ pc();
613
614 // store result depending on type (everything that is not
615 // T_OBJECT, T_LONG, T_FLOAT or T_DOUBLE is treated as T_INT)
616 __ movptr(c_rarg0, result);
617 Label is_long, is_float, is_double, exit;
618 __ movl(c_rarg1, result_type);
619 __ cmpl(c_rarg1, T_OBJECT);
620 __ jcc(Assembler::equal, is_long);
621 __ cmpl(c_rarg1, T_LONG);
622 __ jcc(Assembler::equal, is_long);
623 __ cmpl(c_rarg1, T_FLOAT);
624 __ jcc(Assembler::equal, is_float);
625 __ cmpl(c_rarg1, T_DOUBLE);
626 __ jcc(Assembler::equal, is_double);
627
628 // handle T_INT case
629 __ movl(Address(c_rarg0, 0), rax);
630
631 __ BIND(exit);
632
633 // pop parameters
634 __ lea(rsp, rsp_after_call);
635
636 #ifdef ASSERT
637 // verify that threads correspond
638 {
639 Label L1, L2, L3;
640 __ cmpptr(r15_thread, thread);
641 __ jcc(Assembler::equal, L1);
642 __ stop("StubRoutines::call_stub: r15_thread is corrupted");
643 __ bind(L1);
644 __ get_thread(rbx);
645 __ cmpptr(r15_thread, thread);
646 __ jcc(Assembler::equal, L2);
647 __ stop("StubRoutines::call_stub: r15_thread is modified by call");
648 __ bind(L2);
649 __ cmpptr(r15_thread, rbx);
650 __ jcc(Assembler::equal, L3);
651 __ stop("StubRoutines::call_stub: threads must correspond");
652 __ bind(L3);
653 }
654 #endif
655
656 // restore regs belonging to calling function
657 #ifdef _WIN64
658 // emit the restores for xmm regs
659 if (VM_Version::supports_evex()) {
660 for (int i = xmm_save_first; i <= last_reg; i++) {
661 __ vinsertf32x4(as_XMMRegister(i), as_XMMRegister(i), xmm_save(i), 0);
662 }
663 } else {
664 for (int i = xmm_save_first; i <= last_reg; i++) {
665 __ movdqu(as_XMMRegister(i), xmm_save(i));
666 }
667 }
668 #endif
669 __ movptr(r15, r15_save);
670 __ movptr(r14, r14_save);
671 __ movptr(r13, r13_save);
672 __ movptr(r12, r12_save);
673 __ movptr(rbx, rbx_save);
674
675 #ifdef _WIN64
676 __ movptr(rdi, rdi_save);
677 __ movptr(rsi, rsi_save);
678 #else
679 __ ldmxcsr(mxcsr_save);
680 #endif
681
682 // restore rsp
683 __ addptr(rsp, -rsp_after_call_off * wordSize);
684
685 // return
686 __ vzeroupper();
687 __ pop(rbp);
688 __ ret(0);
689
690 // handle return types different from T_INT
691 __ BIND(is_long);
692 __ movq(Address(c_rarg0, 0), rax);
693 __ jmp(exit);
694
695 __ BIND(is_float);
696 __ movflt(Address(c_rarg0, 0), xmm0);
697 __ jmp(exit);
698
699 __ BIND(is_double);
700 __ movdbl(Address(c_rarg0, 0), xmm0);
701 __ jmp(exit);
702
703 return start;
704 }
705
706 // Return point for a Java call if there's an exception thrown in
707 // Java code. The exception is caught and transformed into a
708 // pending exception stored in JavaThread that can be tested from
709 // within the VM.
710 //
711 // Note: Usually the parameters are removed by the callee. In case
712 // of an exception crossing an activation frame boundary, that is
713 // not the case if the callee is compiled code => need to setup the
714 // rsp.
715 //
716 // rax: exception oop
717
718 address generate_catch_exception() {
719 StubCodeMark mark(this, "StubRoutines", "catch_exception");
720 address start = __ pc();
721
722 // same as in generate_call_stub():
723 const Address rsp_after_call(rbp, rsp_after_call_off * wordSize);
724 const Address thread (rbp, thread_off * wordSize);
725
726 #ifdef ASSERT
727 // verify that threads correspond
728 {
729 Label L1, L2, L3;
730 __ cmpptr(r15_thread, thread);
731 __ jcc(Assembler::equal, L1);
732 __ stop("StubRoutines::catch_exception: r15_thread is corrupted");
733 __ bind(L1);
734 __ get_thread(rbx);
735 __ cmpptr(r15_thread, thread);
736 __ jcc(Assembler::equal, L2);
737 __ stop("StubRoutines::catch_exception: r15_thread is modified by call");
738 __ bind(L2);
739 __ cmpptr(r15_thread, rbx);
740 __ jcc(Assembler::equal, L3);
741 __ stop("StubRoutines::catch_exception: threads must correspond");
742 __ bind(L3);
743 }
744 #endif
745
746 // set pending exception
747 __ verify_oop(rax);
748
749 __ movptr(Address(r15_thread, Thread::pending_exception_offset()), rax);
750 __ lea(rscratch1, ExternalAddress((address)__FILE__));
751 __ movptr(Address(r15_thread, Thread::exception_file_offset()), rscratch1);
752 __ movl(Address(r15_thread, Thread::exception_line_offset()), (int) __LINE__);
753
754 // complete return to VM
755 assert(StubRoutines::_call_stub_return_address != NULL,
756 "_call_stub_return_address must have been generated before");
757 __ jump(RuntimeAddress(StubRoutines::_call_stub_return_address));
758
759 return start;
760 }
761
762 // Continuation point for runtime calls returning with a pending
763 // exception. The pending exception check happened in the runtime
764 // or native call stub. The pending exception in Thread is
765 // converted into a Java-level exception.
766 //
767 // Contract with Java-level exception handlers:
768 // rax: exception
769 // rdx: throwing pc
770 //
771 // NOTE: At entry of this stub, exception-pc must be on stack !!
772
773 address generate_forward_exception() {
774 StubCodeMark mark(this, "StubRoutines", "forward exception");
775 address start = __ pc();
776
777 // Upon entry, the sp points to the return address returning into
778 // Java (interpreted or compiled) code; i.e., the return address
779 // becomes the throwing pc.
780 //
781 // Arguments pushed before the runtime call are still on the stack
782 // but the exception handler will reset the stack pointer ->
783 // ignore them. A potential result in registers can be ignored as
784 // well.
785
786 #ifdef ASSERT
787 // make sure this code is only executed if there is a pending exception
788 {
789 Label L;
790 __ cmpptr(Address(r15_thread, Thread::pending_exception_offset()), (int32_t) NULL);
791 __ jcc(Assembler::notEqual, L);
792 __ stop("StubRoutines::forward exception: no pending exception (1)");
793 __ bind(L);
794 }
795 #endif
796
797 // compute exception handler into rbx
798 __ movptr(c_rarg0, Address(rsp, 0));
799 BLOCK_COMMENT("call exception_handler_for_return_address");
800 __ call_VM_leaf(CAST_FROM_FN_PTR(address,
801 SharedRuntime::exception_handler_for_return_address),
802 r15_thread, c_rarg0);
803 __ mov(rbx, rax);
804
805 // setup rax & rdx, remove return address & clear pending exception
806 __ pop(rdx);
807 __ movptr(rax, Address(r15_thread, Thread::pending_exception_offset()));
808 __ movptr(Address(r15_thread, Thread::pending_exception_offset()), (int32_t)NULL_WORD);
809
810 #ifdef ASSERT
811 // make sure exception is set
812 {
813 Label L;
814 __ testptr(rax, rax);
815 __ jcc(Assembler::notEqual, L);
816 __ stop("StubRoutines::forward exception: no pending exception (2)");
817 __ bind(L);
818 }
819 #endif
820
821 // continue at exception handler (return address removed)
822 // rax: exception
823 // rbx: exception handler
824 // rdx: throwing pc
825 __ verify_oop(rax);
826 __ jmp(rbx);
827
828 return start;
829 }
830
831 // Support for jint atomic::xchg(jint exchange_value, volatile jint* dest)
832 //
833 // Arguments :
834 // c_rarg0: exchange_value
835 // c_rarg0: dest
836 //
837 // Result:
838 // *dest <- ex, return (orig *dest)
839 address generate_atomic_xchg() {
840 StubCodeMark mark(this, "StubRoutines", "atomic_xchg");
841 address start = __ pc();
842
843 __ movl(rax, c_rarg0); // Copy to eax we need a return value anyhow
844 __ xchgl(rax, Address(c_rarg1, 0)); // automatic LOCK
845 __ ret(0);
846
847 return start;
848 }
849
850 // Support for intptr_t atomic::xchg_long(jlong exchange_value, volatile jlong* dest)
851 //
852 // Arguments :
853 // c_rarg0: exchange_value
854 // c_rarg1: dest
855 //
856 // Result:
857 // *dest <- ex, return (orig *dest)
858 address generate_atomic_xchg_long() {
859 StubCodeMark mark(this, "StubRoutines", "atomic_xchg_long");
860 address start = __ pc();
861
862 __ movptr(rax, c_rarg0); // Copy to eax we need a return value anyhow
863 __ xchgptr(rax, Address(c_rarg1, 0)); // automatic LOCK
864 __ ret(0);
865
866 return start;
867 }
868
869 // Support for jint atomic::atomic_cmpxchg(jint exchange_value, volatile jint* dest,
870 // jint compare_value)
871 //
872 // Arguments :
873 // c_rarg0: exchange_value
874 // c_rarg1: dest
875 // c_rarg2: compare_value
876 //
877 // Result:
878 // if ( compare_value == *dest ) {
879 // *dest = exchange_value
880 // return compare_value;
881 // else
882 // return *dest;
883 address generate_atomic_cmpxchg() {
884 StubCodeMark mark(this, "StubRoutines", "atomic_cmpxchg");
885 address start = __ pc();
886
887 __ movl(rax, c_rarg2);
888 __ lock();
889 __ cmpxchgl(c_rarg0, Address(c_rarg1, 0));
890 __ ret(0);
891
892 return start;
893 }
894
895 // Support for int8_t atomic::atomic_cmpxchg(int8_t exchange_value, volatile int8_t* dest,
896 // int8_t compare_value)
897 //
898 // Arguments :
899 // c_rarg0: exchange_value
900 // c_rarg1: dest
901 // c_rarg2: compare_value
902 //
903 // Result:
904 // if ( compare_value == *dest ) {
905 // *dest = exchange_value
906 // return compare_value;
907 // else
908 // return *dest;
909 address generate_atomic_cmpxchg_byte() {
910 StubCodeMark mark(this, "StubRoutines", "atomic_cmpxchg_byte");
911 address start = __ pc();
912
913 __ movsbq(rax, c_rarg2);
914 __ lock();
915 __ cmpxchgb(c_rarg0, Address(c_rarg1, 0));
916 __ ret(0);
917
918 return start;
919 }
920
921 // Support for int64_t atomic::atomic_cmpxchg(int64_t exchange_value,
922 // volatile int64_t* dest,
923 // int64_t compare_value)
924 // Arguments :
925 // c_rarg0: exchange_value
926 // c_rarg1: dest
927 // c_rarg2: compare_value
928 //
929 // Result:
930 // if ( compare_value == *dest ) {
931 // *dest = exchange_value
932 // return compare_value;
933 // else
934 // return *dest;
935 address generate_atomic_cmpxchg_long() {
936 StubCodeMark mark(this, "StubRoutines", "atomic_cmpxchg_long");
937 address start = __ pc();
938
939 __ movq(rax, c_rarg2);
940 __ lock();
941 __ cmpxchgq(c_rarg0, Address(c_rarg1, 0));
942 __ ret(0);
943
944 return start;
945 }
946
947 // Support for jint atomic::add(jint add_value, volatile jint* dest)
948 //
949 // Arguments :
950 // c_rarg0: add_value
951 // c_rarg1: dest
952 //
953 // Result:
954 // *dest += add_value
955 // return *dest;
956 address generate_atomic_add() {
957 StubCodeMark mark(this, "StubRoutines", "atomic_add");
958 address start = __ pc();
959
960 __ movl(rax, c_rarg0);
961 __ lock();
962 __ xaddl(Address(c_rarg1, 0), c_rarg0);
963 __ addl(rax, c_rarg0);
964 __ ret(0);
965
966 return start;
967 }
968
969 // Support for intptr_t atomic::add_ptr(intptr_t add_value, volatile intptr_t* dest)
970 //
971 // Arguments :
972 // c_rarg0: add_value
973 // c_rarg1: dest
974 //
975 // Result:
976 // *dest += add_value
977 // return *dest;
978 address generate_atomic_add_long() {
979 StubCodeMark mark(this, "StubRoutines", "atomic_add_long");
980 address start = __ pc();
981
982 __ movptr(rax, c_rarg0); // Copy to eax we need a return value anyhow
983 __ lock();
984 __ xaddptr(Address(c_rarg1, 0), c_rarg0);
985 __ addptr(rax, c_rarg0);
986 __ ret(0);
987
988 return start;
989 }
990
991 // Support for intptr_t OrderAccess::fence()
992 //
993 // Arguments :
994 //
995 // Result:
996 address generate_orderaccess_fence() {
997 StubCodeMark mark(this, "StubRoutines", "orderaccess_fence");
998 address start = __ pc();
999 __ membar(Assembler::StoreLoad);
1000 __ ret(0);
1001
1002 return start;
1003 }
1004
1005 // Support for intptr_t get_previous_fp()
1006 //
1007 // This routine is used to find the previous frame pointer for the
1008 // caller (current_frame_guess). This is used as part of debugging
1009 // ps() is seemingly lost trying to find frames.
1010 // This code assumes that caller current_frame_guess) has a frame.
1011 address generate_get_previous_fp() {
1012 StubCodeMark mark(this, "StubRoutines", "get_previous_fp");
1013 const Address old_fp(rbp, 0);
1014 const Address older_fp(rax, 0);
1015 address start = __ pc();
1016
1017 __ enter();
1018 __ movptr(rax, old_fp); // callers fp
1019 __ movptr(rax, older_fp); // the frame for ps()
1020 __ pop(rbp);
1021 __ ret(0);
1022
1023 return start;
1024 }
1025
1026 // Support for intptr_t get_previous_sp()
1027 //
1028 // This routine is used to find the previous stack pointer for the
1029 // caller.
1030 address generate_get_previous_sp() {
1031 StubCodeMark mark(this, "StubRoutines", "get_previous_sp");
1032 address start = __ pc();
1033
1034 __ movptr(rax, rsp);
1035 __ addptr(rax, 8); // return address is at the top of the stack.
1036 __ ret(0);
1037
1038 return start;
1039 }
1040
1041 //----------------------------------------------------------------------------------------------------
1042 // Support for void verify_mxcsr()
1043 //
1044 // This routine is used with -Xcheck:jni to verify that native
1045 // JNI code does not return to Java code without restoring the
1046 // MXCSR register to our expected state.
1047
1048 address generate_verify_mxcsr() {
1049 StubCodeMark mark(this, "StubRoutines", "verify_mxcsr");
1050 address start = __ pc();
1051
1052 const Address mxcsr_save(rsp, 0);
1053
1054 if (CheckJNICalls) {
1055 Label ok_ret;
1056 ExternalAddress mxcsr_std(StubRoutines::addr_mxcsr_std());
1057 __ push(rax);
1058 __ subptr(rsp, wordSize); // allocate a temp location
1059 __ stmxcsr(mxcsr_save);
1060 __ movl(rax, mxcsr_save);
1061 __ andl(rax, MXCSR_MASK); // Only check control and mask bits
1062 __ cmp32(rax, mxcsr_std);
1063 __ jcc(Assembler::equal, ok_ret);
1064
1065 __ warn("MXCSR changed by native JNI code, use -XX:+RestoreMXCSROnJNICall");
1066
1067 __ ldmxcsr(mxcsr_std);
1068
1069 __ bind(ok_ret);
1070 __ addptr(rsp, wordSize);
1071 __ pop(rax);
1072 }
1073
1074 __ ret(0);
1075
1076 return start;
1077 }
1078
1079 address generate_f2i_fixup() {
1080 StubCodeMark mark(this, "StubRoutines", "f2i_fixup");
1081 Address inout(rsp, 5 * wordSize); // return address + 4 saves
1082
1083 address start = __ pc();
1084
1085 Label L;
1086
1087 __ push(rax);
1088 __ push(c_rarg3);
1089 __ push(c_rarg2);
1090 __ push(c_rarg1);
1091
1092 __ movl(rax, 0x7f800000);
1093 __ xorl(c_rarg3, c_rarg3);
1094 __ movl(c_rarg2, inout);
1095 __ movl(c_rarg1, c_rarg2);
1096 __ andl(c_rarg1, 0x7fffffff);
1097 __ cmpl(rax, c_rarg1); // NaN? -> 0
1098 __ jcc(Assembler::negative, L);
1099 __ testl(c_rarg2, c_rarg2); // signed ? min_jint : max_jint
1100 __ movl(c_rarg3, 0x80000000);
1101 __ movl(rax, 0x7fffffff);
1102 __ cmovl(Assembler::positive, c_rarg3, rax);
1103
1104 __ bind(L);
1105 __ movptr(inout, c_rarg3);
1106
1107 __ pop(c_rarg1);
1108 __ pop(c_rarg2);
1109 __ pop(c_rarg3);
1110 __ pop(rax);
1111
1112 __ ret(0);
1113
1114 return start;
1115 }
1116
1117 address generate_f2l_fixup() {
1118 StubCodeMark mark(this, "StubRoutines", "f2l_fixup");
1119 Address inout(rsp, 5 * wordSize); // return address + 4 saves
1120 address start = __ pc();
1121
1122 Label L;
1123
1124 __ push(rax);
1125 __ push(c_rarg3);
1126 __ push(c_rarg2);
1127 __ push(c_rarg1);
1128
1129 __ movl(rax, 0x7f800000);
1130 __ xorl(c_rarg3, c_rarg3);
1131 __ movl(c_rarg2, inout);
1132 __ movl(c_rarg1, c_rarg2);
1133 __ andl(c_rarg1, 0x7fffffff);
1134 __ cmpl(rax, c_rarg1); // NaN? -> 0
1135 __ jcc(Assembler::negative, L);
1136 __ testl(c_rarg2, c_rarg2); // signed ? min_jlong : max_jlong
1137 __ mov64(c_rarg3, 0x8000000000000000);
1138 __ mov64(rax, 0x7fffffffffffffff);
1139 __ cmov(Assembler::positive, c_rarg3, rax);
1140
1141 __ bind(L);
1142 __ movptr(inout, c_rarg3);
1143
1144 __ pop(c_rarg1);
1145 __ pop(c_rarg2);
1146 __ pop(c_rarg3);
1147 __ pop(rax);
1148
1149 __ ret(0);
1150
1151 return start;
1152 }
1153
1154 address generate_d2i_fixup() {
1155 StubCodeMark mark(this, "StubRoutines", "d2i_fixup");
1156 Address inout(rsp, 6 * wordSize); // return address + 5 saves
1157
1158 address start = __ pc();
1159
1160 Label L;
1161
1162 __ push(rax);
1163 __ push(c_rarg3);
1164 __ push(c_rarg2);
1165 __ push(c_rarg1);
1166 __ push(c_rarg0);
1167
1168 __ movl(rax, 0x7ff00000);
1169 __ movq(c_rarg2, inout);
1170 __ movl(c_rarg3, c_rarg2);
1171 __ mov(c_rarg1, c_rarg2);
1172 __ mov(c_rarg0, c_rarg2);
1173 __ negl(c_rarg3);
1174 __ shrptr(c_rarg1, 0x20);
1175 __ orl(c_rarg3, c_rarg2);
1176 __ andl(c_rarg1, 0x7fffffff);
1177 __ xorl(c_rarg2, c_rarg2);
1178 __ shrl(c_rarg3, 0x1f);
1179 __ orl(c_rarg1, c_rarg3);
1180 __ cmpl(rax, c_rarg1);
1181 __ jcc(Assembler::negative, L); // NaN -> 0
1182 __ testptr(c_rarg0, c_rarg0); // signed ? min_jint : max_jint
1183 __ movl(c_rarg2, 0x80000000);
1184 __ movl(rax, 0x7fffffff);
1185 __ cmov(Assembler::positive, c_rarg2, rax);
1186
1187 __ bind(L);
1188 __ movptr(inout, c_rarg2);
1189
1190 __ pop(c_rarg0);
1191 __ pop(c_rarg1);
1192 __ pop(c_rarg2);
1193 __ pop(c_rarg3);
1194 __ pop(rax);
1195
1196 __ ret(0);
1197
1198 return start;
1199 }
1200
1201 address generate_d2l_fixup() {
1202 StubCodeMark mark(this, "StubRoutines", "d2l_fixup");
1203 Address inout(rsp, 6 * wordSize); // return address + 5 saves
1204
1205 address start = __ pc();
1206
1207 Label L;
1208
1209 __ push(rax);
1210 __ push(c_rarg3);
1211 __ push(c_rarg2);
1212 __ push(c_rarg1);
1213 __ push(c_rarg0);
1214
1215 __ movl(rax, 0x7ff00000);
1216 __ movq(c_rarg2, inout);
1217 __ movl(c_rarg3, c_rarg2);
1218 __ mov(c_rarg1, c_rarg2);
1219 __ mov(c_rarg0, c_rarg2);
1220 __ negl(c_rarg3);
1221 __ shrptr(c_rarg1, 0x20);
1222 __ orl(c_rarg3, c_rarg2);
1223 __ andl(c_rarg1, 0x7fffffff);
1224 __ xorl(c_rarg2, c_rarg2);
1225 __ shrl(c_rarg3, 0x1f);
1226 __ orl(c_rarg1, c_rarg3);
1227 __ cmpl(rax, c_rarg1);
1228 __ jcc(Assembler::negative, L); // NaN -> 0
1229 __ testq(c_rarg0, c_rarg0); // signed ? min_jlong : max_jlong
1230 __ mov64(c_rarg2, 0x8000000000000000);
1231 __ mov64(rax, 0x7fffffffffffffff);
1232 __ cmovq(Assembler::positive, c_rarg2, rax);
1233
1234 __ bind(L);
1235 __ movq(inout, c_rarg2);
1236
1237 __ pop(c_rarg0);
1238 __ pop(c_rarg1);
1239 __ pop(c_rarg2);
1240 __ pop(c_rarg3);
1241 __ pop(rax);
1242
1243 __ ret(0);
1244
1245 return start;
1246 }
1247
1248 address generate_fp_mask(const char *stub_name, int64_t mask) {
1249 __ align(CodeEntryAlignment);
1250 StubCodeMark mark(this, "StubRoutines", stub_name);
1251 address start = __ pc();
1252
1253 __ emit_data64( mask, relocInfo::none );
1254 __ emit_data64( mask, relocInfo::none );
1255
1256 return start;
1257 }
1258
1259 address generate_vector_fp_mask(const char *stub_name, int64_t mask) {
1260 __ align(CodeEntryAlignment);
1261 StubCodeMark mark(this, "StubRoutines", stub_name);
1262 address start = __ pc();
1263
1264 __ emit_data64(mask, relocInfo::none);
1265 __ emit_data64(mask, relocInfo::none);
1266 __ emit_data64(mask, relocInfo::none);
1267 __ emit_data64(mask, relocInfo::none);
1268 __ emit_data64(mask, relocInfo::none);
1269 __ emit_data64(mask, relocInfo::none);
1270 __ emit_data64(mask, relocInfo::none);
1271 __ emit_data64(mask, relocInfo::none);
1272
1273 return start;
1274 }
1275
1276 address generate_vector_byte_perm_mask(const char *stub_name) {
1277 __ align(CodeEntryAlignment);
1278 StubCodeMark mark(this, "StubRoutines", stub_name);
1279 address start = __ pc();
1280
1281 __ emit_data64(0x0000000000000001, relocInfo::none);
1282 __ emit_data64(0x0000000000000003, relocInfo::none);
1283 __ emit_data64(0x0000000000000005, relocInfo::none);
1284 __ emit_data64(0x0000000000000007, relocInfo::none);
1285 __ emit_data64(0x0000000000000000, relocInfo::none);
1286 __ emit_data64(0x0000000000000002, relocInfo::none);
1287 __ emit_data64(0x0000000000000004, relocInfo::none);
1288 __ emit_data64(0x0000000000000006, relocInfo::none);
1289
1290 return start;
1291 }
1292
1293 address generate_vector_custom_i32(const char *stub_name, Assembler::AvxVectorLen len,
1294 int32_t val0, int32_t val1, int32_t val2, int32_t val3,
1295 int32_t val4 = 0, int32_t val5 = 0, int32_t val6 = 0, int32_t val7 = 0,
1296 int32_t val8 = 0, int32_t val9 = 0, int32_t val10 = 0, int32_t val11 = 0,
1297 int32_t val12 = 0, int32_t val13 = 0, int32_t val14 = 0, int32_t val15 = 0) {
1298 __ align(CodeEntryAlignment);
1299 StubCodeMark mark(this, "StubRoutines", stub_name);
1300 address start = __ pc();
1301
1302 assert(len != Assembler::AVX_NoVec, "vector len must be specified");
1303 __ emit_data(val0, relocInfo::none, 0);
1304 __ emit_data(val1, relocInfo::none, 0);
1305 __ emit_data(val2, relocInfo::none, 0);
1306 __ emit_data(val3, relocInfo::none, 0);
1307 if (len >= Assembler::AVX_256bit) {
1308 __ emit_data(val4, relocInfo::none, 0);
1309 __ emit_data(val5, relocInfo::none, 0);
1310 __ emit_data(val6, relocInfo::none, 0);
1311 __ emit_data(val7, relocInfo::none, 0);
1312 if (len >= Assembler::AVX_512bit) {
1313 __ emit_data(val8, relocInfo::none, 0);
1314 __ emit_data(val9, relocInfo::none, 0);
1315 __ emit_data(val10, relocInfo::none, 0);
1316 __ emit_data(val11, relocInfo::none, 0);
1317 __ emit_data(val12, relocInfo::none, 0);
1318 __ emit_data(val13, relocInfo::none, 0);
1319 __ emit_data(val14, relocInfo::none, 0);
1320 __ emit_data(val15, relocInfo::none, 0);
1321 }
1322 }
1323
1324 return start;
1325 }
1326
1327 // Non-destructive plausibility checks for oops
1328 //
1329 // Arguments:
1330 // all args on stack!
1331 //
1332 // Stack after saving c_rarg3:
1333 // [tos + 0]: saved c_rarg3
1334 // [tos + 1]: saved c_rarg2
1335 // [tos + 2]: saved r12 (several TemplateTable methods use it)
1336 // [tos + 3]: saved flags
1337 // [tos + 4]: return address
1338 // * [tos + 5]: error message (char*)
1339 // * [tos + 6]: object to verify (oop)
1340 // * [tos + 7]: saved rax - saved by caller and bashed
1341 // * [tos + 8]: saved r10 (rscratch1) - saved by caller
1342 // * = popped on exit
1343 address generate_verify_oop() {
1344 StubCodeMark mark(this, "StubRoutines", "verify_oop");
1345 address start = __ pc();
1346
1347 Label exit, error;
1348
1349 __ pushf();
1350 __ incrementl(ExternalAddress((address) StubRoutines::verify_oop_count_addr()));
1351
1352 __ push(r12);
1353
1354 // save c_rarg2 and c_rarg3
1355 __ push(c_rarg2);
1356 __ push(c_rarg3);
1357
1358 enum {
1359 // After previous pushes.
1360 oop_to_verify = 6 * wordSize,
1361 saved_rax = 7 * wordSize,
1362 saved_r10 = 8 * wordSize,
1363
1364 // Before the call to MacroAssembler::debug(), see below.
1365 return_addr = 16 * wordSize,
1366 error_msg = 17 * wordSize
1367 };
1368
1369 // get object
1370 __ movptr(rax, Address(rsp, oop_to_verify));
1371
1372 // make sure object is 'reasonable'
1373 __ testptr(rax, rax);
1374 __ jcc(Assembler::zero, exit); // if obj is NULL it is OK
1375
1376 #if INCLUDE_ZGC
1377 if (UseZGC) {
1378 // Check if metadata bits indicate a bad oop
1379 __ testptr(rax, Address(r15_thread, ZThreadLocalData::address_bad_mask_offset()));
1380 __ jcc(Assembler::notZero, error);
1381 }
1382 #endif
1383
1384 // Check if the oop is in the right area of memory
1385 __ movptr(c_rarg2, rax);
1386 __ movptr(c_rarg3, (intptr_t) Universe::verify_oop_mask());
1387 __ andptr(c_rarg2, c_rarg3);
1388 __ movptr(c_rarg3, (intptr_t) Universe::verify_oop_bits());
1389 __ cmpptr(c_rarg2, c_rarg3);
1390 __ jcc(Assembler::notZero, error);
1391
1392 // set r12 to heapbase for load_klass()
1393 __ reinit_heapbase();
1394
1395 // make sure klass is 'reasonable', which is not zero.
1396 __ load_klass(rax, rax); // get klass
1397 __ testptr(rax, rax);
1398 __ jcc(Assembler::zero, error); // if klass is NULL it is broken
1399
1400 // return if everything seems ok
1401 __ bind(exit);
1402 __ movptr(rax, Address(rsp, saved_rax)); // get saved rax back
1403 __ movptr(rscratch1, Address(rsp, saved_r10)); // get saved r10 back
1404 __ pop(c_rarg3); // restore c_rarg3
1405 __ pop(c_rarg2); // restore c_rarg2
1406 __ pop(r12); // restore r12
1407 __ popf(); // restore flags
1408 __ ret(4 * wordSize); // pop caller saved stuff
1409
1410 // handle errors
1411 __ bind(error);
1412 __ movptr(rax, Address(rsp, saved_rax)); // get saved rax back
1413 __ movptr(rscratch1, Address(rsp, saved_r10)); // get saved r10 back
1414 __ pop(c_rarg3); // get saved c_rarg3 back
1415 __ pop(c_rarg2); // get saved c_rarg2 back
1416 __ pop(r12); // get saved r12 back
1417 __ popf(); // get saved flags off stack --
1418 // will be ignored
1419
1420 __ pusha(); // push registers
1421 // (rip is already
1422 // already pushed)
1423 // debug(char* msg, int64_t pc, int64_t regs[])
1424 // We've popped the registers we'd saved (c_rarg3, c_rarg2 and flags), and
1425 // pushed all the registers, so now the stack looks like:
1426 // [tos + 0] 16 saved registers
1427 // [tos + 16] return address
1428 // * [tos + 17] error message (char*)
1429 // * [tos + 18] object to verify (oop)
1430 // * [tos + 19] saved rax - saved by caller and bashed
1431 // * [tos + 20] saved r10 (rscratch1) - saved by caller
1432 // * = popped on exit
1433
1434 __ movptr(c_rarg0, Address(rsp, error_msg)); // pass address of error message
1435 __ movptr(c_rarg1, Address(rsp, return_addr)); // pass return address
1436 __ movq(c_rarg2, rsp); // pass address of regs on stack
1437 __ mov(r12, rsp); // remember rsp
1438 __ subptr(rsp, frame::arg_reg_save_area_bytes); // windows
1439 __ andptr(rsp, -16); // align stack as required by ABI
1440 BLOCK_COMMENT("call MacroAssembler::debug");
1441 __ call(RuntimeAddress(CAST_FROM_FN_PTR(address, MacroAssembler::debug64)));
1442 __ mov(rsp, r12); // restore rsp
1443 __ popa(); // pop registers (includes r12)
1444 __ ret(4 * wordSize); // pop caller saved stuff
1445
1446 return start;
1447 }
1448
1449 //
1450 // Verify that a register contains clean 32-bits positive value
1451 // (high 32-bits are 0) so it could be used in 64-bits shifts.
1452 //
1453 // Input:
1454 // Rint - 32-bits value
1455 // Rtmp - scratch
1456 //
1457 void assert_clean_int(Register Rint, Register Rtmp) {
1458 #ifdef ASSERT
1459 Label L;
1460 assert_different_registers(Rtmp, Rint);
1461 __ movslq(Rtmp, Rint);
1462 __ cmpq(Rtmp, Rint);
1463 __ jcc(Assembler::equal, L);
1464 __ stop("high 32-bits of int value are not 0");
1465 __ bind(L);
1466 #endif
1467 }
1468
1469 // Generate overlap test for array copy stubs
1470 //
1471 // Input:
1472 // c_rarg0 - from
1473 // c_rarg1 - to
1474 // c_rarg2 - element count
1475 //
1476 // Output:
1477 // rax - &from[element count - 1]
1478 //
1479 void array_overlap_test(address no_overlap_target, Address::ScaleFactor sf) {
1480 assert(no_overlap_target != NULL, "must be generated");
1481 array_overlap_test(no_overlap_target, NULL, sf);
1482 }
1483 void array_overlap_test(Label& L_no_overlap, Address::ScaleFactor sf) {
1484 array_overlap_test(NULL, &L_no_overlap, sf);
1485 }
1486 void array_overlap_test(address no_overlap_target, Label* NOLp, Address::ScaleFactor sf) {
1487 const Register from = c_rarg0;
1488 const Register to = c_rarg1;
1489 const Register count = c_rarg2;
1490 const Register end_from = rax;
1491
1492 __ cmpptr(to, from);
1493 __ lea(end_from, Address(from, count, sf, 0));
1494 if (NOLp == NULL) {
1495 ExternalAddress no_overlap(no_overlap_target);
1496 __ jump_cc(Assembler::belowEqual, no_overlap);
1497 __ cmpptr(to, end_from);
1498 __ jump_cc(Assembler::aboveEqual, no_overlap);
1499 } else {
1500 __ jcc(Assembler::belowEqual, (*NOLp));
1501 __ cmpptr(to, end_from);
1502 __ jcc(Assembler::aboveEqual, (*NOLp));
1503 }
1504 }
1505
1506 // Shuffle first three arg regs on Windows into Linux/Solaris locations.
1507 //
1508 // Outputs:
1509 // rdi - rcx
1510 // rsi - rdx
1511 // rdx - r8
1512 // rcx - r9
1513 //
1514 // Registers r9 and r10 are used to save rdi and rsi on Windows, which latter
1515 // are non-volatile. r9 and r10 should not be used by the caller.
1516 //
1517 DEBUG_ONLY(bool regs_in_thread;)
1518
1519 void setup_arg_regs(int nargs = 3) {
1520 const Register saved_rdi = r9;
1521 const Register saved_rsi = r10;
1522 assert(nargs == 3 || nargs == 4, "else fix");
1523 #ifdef _WIN64
1524 assert(c_rarg0 == rcx && c_rarg1 == rdx && c_rarg2 == r8 && c_rarg3 == r9,
1525 "unexpected argument registers");
1526 if (nargs >= 4)
1527 __ mov(rax, r9); // r9 is also saved_rdi
1528 __ movptr(saved_rdi, rdi);
1529 __ movptr(saved_rsi, rsi);
1530 __ mov(rdi, rcx); // c_rarg0
1531 __ mov(rsi, rdx); // c_rarg1
1532 __ mov(rdx, r8); // c_rarg2
1533 if (nargs >= 4)
1534 __ mov(rcx, rax); // c_rarg3 (via rax)
1535 #else
1536 assert(c_rarg0 == rdi && c_rarg1 == rsi && c_rarg2 == rdx && c_rarg3 == rcx,
1537 "unexpected argument registers");
1538 #endif
1539 DEBUG_ONLY(regs_in_thread = false;)
1540 }
1541
1542 void restore_arg_regs() {
1543 assert(!regs_in_thread, "wrong call to restore_arg_regs");
1544 const Register saved_rdi = r9;
1545 const Register saved_rsi = r10;
1546 #ifdef _WIN64
1547 __ movptr(rdi, saved_rdi);
1548 __ movptr(rsi, saved_rsi);
1549 #endif
1550 }
1551
1552 // This is used in places where r10 is a scratch register, and can
1553 // be adapted if r9 is needed also.
1554 void setup_arg_regs_using_thread() {
1555 const Register saved_r15 = r9;
1556 #ifdef _WIN64
1557 __ mov(saved_r15, r15); // r15 is callee saved and needs to be restored
1558 __ get_thread(r15_thread);
1559 assert(c_rarg0 == rcx && c_rarg1 == rdx && c_rarg2 == r8 && c_rarg3 == r9,
1560 "unexpected argument registers");
1561 __ movptr(Address(r15_thread, in_bytes(JavaThread::windows_saved_rdi_offset())), rdi);
1562 __ movptr(Address(r15_thread, in_bytes(JavaThread::windows_saved_rsi_offset())), rsi);
1563
1564 __ mov(rdi, rcx); // c_rarg0
1565 __ mov(rsi, rdx); // c_rarg1
1566 __ mov(rdx, r8); // c_rarg2
1567 #else
1568 assert(c_rarg0 == rdi && c_rarg1 == rsi && c_rarg2 == rdx && c_rarg3 == rcx,
1569 "unexpected argument registers");
1570 #endif
1571 DEBUG_ONLY(regs_in_thread = true;)
1572 }
1573
1574 void restore_arg_regs_using_thread() {
1575 assert(regs_in_thread, "wrong call to restore_arg_regs");
1576 const Register saved_r15 = r9;
1577 #ifdef _WIN64
1578 __ get_thread(r15_thread);
1579 __ movptr(rsi, Address(r15_thread, in_bytes(JavaThread::windows_saved_rsi_offset())));
1580 __ movptr(rdi, Address(r15_thread, in_bytes(JavaThread::windows_saved_rdi_offset())));
1581 __ mov(r15, saved_r15); // r15 is callee saved and needs to be restored
1582 #endif
1583 }
1584
1585 // Copy big chunks forward
1586 //
1587 // Inputs:
1588 // end_from - source arrays end address
1589 // end_to - destination array end address
1590 // qword_count - 64-bits element count, negative
1591 // to - scratch
1592 // L_copy_bytes - entry label
1593 // L_copy_8_bytes - exit label
1594 //
1595 void copy_bytes_forward(Register end_from, Register end_to,
1596 Register qword_count, Register to,
1597 Label& L_copy_bytes, Label& L_copy_8_bytes) {
1598 DEBUG_ONLY(__ stop("enter at entry label, not here"));
1599 Label L_loop;
1600 __ align(OptoLoopAlignment);
1601 if (UseUnalignedLoadStores) {
1602 Label L_end;
1603 // Copy 64-bytes per iteration
1604 __ BIND(L_loop);
1605 if (UseAVX > 2) {
1606 __ evmovdqul(xmm0, Address(end_from, qword_count, Address::times_8, -56), Assembler::AVX_512bit);
1607 __ evmovdqul(Address(end_to, qword_count, Address::times_8, -56), xmm0, Assembler::AVX_512bit);
1608 } else if (UseAVX == 2) {
1609 __ vmovdqu(xmm0, Address(end_from, qword_count, Address::times_8, -56));
1610 __ vmovdqu(Address(end_to, qword_count, Address::times_8, -56), xmm0);
1611 __ vmovdqu(xmm1, Address(end_from, qword_count, Address::times_8, -24));
1612 __ vmovdqu(Address(end_to, qword_count, Address::times_8, -24), xmm1);
1613 } else {
1614 __ movdqu(xmm0, Address(end_from, qword_count, Address::times_8, -56));
1615 __ movdqu(Address(end_to, qword_count, Address::times_8, -56), xmm0);
1616 __ movdqu(xmm1, Address(end_from, qword_count, Address::times_8, -40));
1617 __ movdqu(Address(end_to, qword_count, Address::times_8, -40), xmm1);
1618 __ movdqu(xmm2, Address(end_from, qword_count, Address::times_8, -24));
1619 __ movdqu(Address(end_to, qword_count, Address::times_8, -24), xmm2);
1620 __ movdqu(xmm3, Address(end_from, qword_count, Address::times_8, - 8));
1621 __ movdqu(Address(end_to, qword_count, Address::times_8, - 8), xmm3);
1622 }
1623 __ BIND(L_copy_bytes);
1624 __ addptr(qword_count, 8);
1625 __ jcc(Assembler::lessEqual, L_loop);
1626 __ subptr(qword_count, 4); // sub(8) and add(4)
1627 __ jccb(Assembler::greater, L_end);
1628 // Copy trailing 32 bytes
1629 if (UseAVX >= 2) {
1630 __ vmovdqu(xmm0, Address(end_from, qword_count, Address::times_8, -24));
1631 __ vmovdqu(Address(end_to, qword_count, Address::times_8, -24), xmm0);
1632 } else {
1633 __ movdqu(xmm0, Address(end_from, qword_count, Address::times_8, -24));
1634 __ movdqu(Address(end_to, qword_count, Address::times_8, -24), xmm0);
1635 __ movdqu(xmm1, Address(end_from, qword_count, Address::times_8, - 8));
1636 __ movdqu(Address(end_to, qword_count, Address::times_8, - 8), xmm1);
1637 }
1638 __ addptr(qword_count, 4);
1639 __ BIND(L_end);
1640 if (UseAVX >= 2) {
1641 // clean upper bits of YMM registers
1642 __ vpxor(xmm0, xmm0);
1643 __ vpxor(xmm1, xmm1);
1644 }
1645 } else {
1646 // Copy 32-bytes per iteration
1647 __ BIND(L_loop);
1648 __ movq(to, Address(end_from, qword_count, Address::times_8, -24));
1649 __ movq(Address(end_to, qword_count, Address::times_8, -24), to);
1650 __ movq(to, Address(end_from, qword_count, Address::times_8, -16));
1651 __ movq(Address(end_to, qword_count, Address::times_8, -16), to);
1652 __ movq(to, Address(end_from, qword_count, Address::times_8, - 8));
1653 __ movq(Address(end_to, qword_count, Address::times_8, - 8), to);
1654 __ movq(to, Address(end_from, qword_count, Address::times_8, - 0));
1655 __ movq(Address(end_to, qword_count, Address::times_8, - 0), to);
1656
1657 __ BIND(L_copy_bytes);
1658 __ addptr(qword_count, 4);
1659 __ jcc(Assembler::lessEqual, L_loop);
1660 }
1661 __ subptr(qword_count, 4);
1662 __ jcc(Assembler::less, L_copy_8_bytes); // Copy trailing qwords
1663 }
1664
1665 // Copy big chunks backward
1666 //
1667 // Inputs:
1668 // from - source arrays address
1669 // dest - destination array address
1670 // qword_count - 64-bits element count
1671 // to - scratch
1672 // L_copy_bytes - entry label
1673 // L_copy_8_bytes - exit label
1674 //
1675 void copy_bytes_backward(Register from, Register dest,
1676 Register qword_count, Register to,
1677 Label& L_copy_bytes, Label& L_copy_8_bytes) {
1678 DEBUG_ONLY(__ stop("enter at entry label, not here"));
1679 Label L_loop;
1680 __ align(OptoLoopAlignment);
1681 if (UseUnalignedLoadStores) {
1682 Label L_end;
1683 // Copy 64-bytes per iteration
1684 __ BIND(L_loop);
1685 if (UseAVX > 2) {
1686 __ evmovdqul(xmm0, Address(from, qword_count, Address::times_8, 0), Assembler::AVX_512bit);
1687 __ evmovdqul(Address(dest, qword_count, Address::times_8, 0), xmm0, Assembler::AVX_512bit);
1688 } else if (UseAVX == 2) {
1689 __ vmovdqu(xmm0, Address(from, qword_count, Address::times_8, 32));
1690 __ vmovdqu(Address(dest, qword_count, Address::times_8, 32), xmm0);
1691 __ vmovdqu(xmm1, Address(from, qword_count, Address::times_8, 0));
1692 __ vmovdqu(Address(dest, qword_count, Address::times_8, 0), xmm1);
1693 } else {
1694 __ movdqu(xmm0, Address(from, qword_count, Address::times_8, 48));
1695 __ movdqu(Address(dest, qword_count, Address::times_8, 48), xmm0);
1696 __ movdqu(xmm1, Address(from, qword_count, Address::times_8, 32));
1697 __ movdqu(Address(dest, qword_count, Address::times_8, 32), xmm1);
1698 __ movdqu(xmm2, Address(from, qword_count, Address::times_8, 16));
1699 __ movdqu(Address(dest, qword_count, Address::times_8, 16), xmm2);
1700 __ movdqu(xmm3, Address(from, qword_count, Address::times_8, 0));
1701 __ movdqu(Address(dest, qword_count, Address::times_8, 0), xmm3);
1702 }
1703 __ BIND(L_copy_bytes);
1704 __ subptr(qword_count, 8);
1705 __ jcc(Assembler::greaterEqual, L_loop);
1706
1707 __ addptr(qword_count, 4); // add(8) and sub(4)
1708 __ jccb(Assembler::less, L_end);
1709 // Copy trailing 32 bytes
1710 if (UseAVX >= 2) {
1711 __ vmovdqu(xmm0, Address(from, qword_count, Address::times_8, 0));
1712 __ vmovdqu(Address(dest, qword_count, Address::times_8, 0), xmm0);
1713 } else {
1714 __ movdqu(xmm0, Address(from, qword_count, Address::times_8, 16));
1715 __ movdqu(Address(dest, qword_count, Address::times_8, 16), xmm0);
1716 __ movdqu(xmm1, Address(from, qword_count, Address::times_8, 0));
1717 __ movdqu(Address(dest, qword_count, Address::times_8, 0), xmm1);
1718 }
1719 __ subptr(qword_count, 4);
1720 __ BIND(L_end);
1721 if (UseAVX >= 2) {
1722 // clean upper bits of YMM registers
1723 __ vpxor(xmm0, xmm0);
1724 __ vpxor(xmm1, xmm1);
1725 }
1726 } else {
1727 // Copy 32-bytes per iteration
1728 __ BIND(L_loop);
1729 __ movq(to, Address(from, qword_count, Address::times_8, 24));
1730 __ movq(Address(dest, qword_count, Address::times_8, 24), to);
1731 __ movq(to, Address(from, qword_count, Address::times_8, 16));
1732 __ movq(Address(dest, qword_count, Address::times_8, 16), to);
1733 __ movq(to, Address(from, qword_count, Address::times_8, 8));
1734 __ movq(Address(dest, qword_count, Address::times_8, 8), to);
1735 __ movq(to, Address(from, qword_count, Address::times_8, 0));
1736 __ movq(Address(dest, qword_count, Address::times_8, 0), to);
1737
1738 __ BIND(L_copy_bytes);
1739 __ subptr(qword_count, 4);
1740 __ jcc(Assembler::greaterEqual, L_loop);
1741 }
1742 __ addptr(qword_count, 4);
1743 __ jcc(Assembler::greater, L_copy_8_bytes); // Copy trailing qwords
1744 }
1745
1746
1747 // Arguments:
1748 // aligned - true => Input and output aligned on a HeapWord == 8-byte boundary
1749 // ignored
1750 // name - stub name string
1751 //
1752 // Inputs:
1753 // c_rarg0 - source array address
1754 // c_rarg1 - destination array address
1755 // c_rarg2 - element count, treated as ssize_t, can be zero
1756 //
1757 // If 'from' and/or 'to' are aligned on 4-, 2-, or 1-byte boundaries,
1758 // we let the hardware handle it. The one to eight bytes within words,
1759 // dwords or qwords that span cache line boundaries will still be loaded
1760 // and stored atomically.
1761 //
1762 // Side Effects:
1763 // disjoint_byte_copy_entry is set to the no-overlap entry point
1764 // used by generate_conjoint_byte_copy().
1765 //
1766 address generate_disjoint_byte_copy(bool aligned, address* entry, const char *name) {
1767 __ align(CodeEntryAlignment);
1768 StubCodeMark mark(this, "StubRoutines", name);
1769 address start = __ pc();
1770
1771 Label L_copy_bytes, L_copy_8_bytes, L_copy_4_bytes, L_copy_2_bytes;
1772 Label L_copy_byte, L_exit;
1773 const Register from = rdi; // source array address
1774 const Register to = rsi; // destination array address
1775 const Register count = rdx; // elements count
1776 const Register byte_count = rcx;
1777 const Register qword_count = count;
1778 const Register end_from = from; // source array end address
1779 const Register end_to = to; // destination array end address
1780 // End pointers are inclusive, and if count is not zero they point
1781 // to the last unit copied: end_to[0] := end_from[0]
1782
1783 __ enter(); // required for proper stackwalking of RuntimeStub frame
1784 assert_clean_int(c_rarg2, rax); // Make sure 'count' is clean int.
1785
1786 if (entry != NULL) {
1787 *entry = __ pc();
1788 // caller can pass a 64-bit byte count here (from Unsafe.copyMemory)
1789 BLOCK_COMMENT("Entry:");
1790 }
1791
1792 setup_arg_regs(); // from => rdi, to => rsi, count => rdx
1793 // r9 and r10 may be used to save non-volatile registers
1794
1795 // 'from', 'to' and 'count' are now valid
1796 __ movptr(byte_count, count);
1797 __ shrptr(count, 3); // count => qword_count
1798
1799 // Copy from low to high addresses. Use 'to' as scratch.
1800 __ lea(end_from, Address(from, qword_count, Address::times_8, -8));
1801 __ lea(end_to, Address(to, qword_count, Address::times_8, -8));
1802 __ negptr(qword_count); // make the count negative
1803 __ jmp(L_copy_bytes);
1804
1805 // Copy trailing qwords
1806 __ BIND(L_copy_8_bytes);
1807 __ movq(rax, Address(end_from, qword_count, Address::times_8, 8));
1808 __ movq(Address(end_to, qword_count, Address::times_8, 8), rax);
1809 __ increment(qword_count);
1810 __ jcc(Assembler::notZero, L_copy_8_bytes);
1811
1812 // Check for and copy trailing dword
1813 __ BIND(L_copy_4_bytes);
1814 __ testl(byte_count, 4);
1815 __ jccb(Assembler::zero, L_copy_2_bytes);
1816 __ movl(rax, Address(end_from, 8));
1817 __ movl(Address(end_to, 8), rax);
1818
1819 __ addptr(end_from, 4);
1820 __ addptr(end_to, 4);
1821
1822 // Check for and copy trailing word
1823 __ BIND(L_copy_2_bytes);
1824 __ testl(byte_count, 2);
1825 __ jccb(Assembler::zero, L_copy_byte);
1826 __ movw(rax, Address(end_from, 8));
1827 __ movw(Address(end_to, 8), rax);
1828
1829 __ addptr(end_from, 2);
1830 __ addptr(end_to, 2);
1831
1832 // Check for and copy trailing byte
1833 __ BIND(L_copy_byte);
1834 __ testl(byte_count, 1);
1835 __ jccb(Assembler::zero, L_exit);
1836 __ movb(rax, Address(end_from, 8));
1837 __ movb(Address(end_to, 8), rax);
1838
1839 __ BIND(L_exit);
1840 restore_arg_regs();
1841 inc_counter_np(SharedRuntime::_jbyte_array_copy_ctr); // Update counter after rscratch1 is free
1842 __ xorptr(rax, rax); // return 0
1843 __ vzeroupper();
1844 __ leave(); // required for proper stackwalking of RuntimeStub frame
1845 __ ret(0);
1846
1847 // Copy in multi-bytes chunks
1848 copy_bytes_forward(end_from, end_to, qword_count, rax, L_copy_bytes, L_copy_8_bytes);
1849 __ jmp(L_copy_4_bytes);
1850
1851 return start;
1852 }
1853
1854 // Arguments:
1855 // aligned - true => Input and output aligned on a HeapWord == 8-byte boundary
1856 // ignored
1857 // name - stub name string
1858 //
1859 // Inputs:
1860 // c_rarg0 - source array address
1861 // c_rarg1 - destination array address
1862 // c_rarg2 - element count, treated as ssize_t, can be zero
1863 //
1864 // If 'from' and/or 'to' are aligned on 4-, 2-, or 1-byte boundaries,
1865 // we let the hardware handle it. The one to eight bytes within words,
1866 // dwords or qwords that span cache line boundaries will still be loaded
1867 // and stored atomically.
1868 //
1869 address generate_conjoint_byte_copy(bool aligned, address nooverlap_target,
1870 address* entry, const char *name) {
1871 __ align(CodeEntryAlignment);
1872 StubCodeMark mark(this, "StubRoutines", name);
1873 address start = __ pc();
1874
1875 Label L_copy_bytes, L_copy_8_bytes, L_copy_4_bytes, L_copy_2_bytes;
1876 const Register from = rdi; // source array address
1877 const Register to = rsi; // destination array address
1878 const Register count = rdx; // elements count
1879 const Register byte_count = rcx;
1880 const Register qword_count = count;
1881
1882 __ enter(); // required for proper stackwalking of RuntimeStub frame
1883 assert_clean_int(c_rarg2, rax); // Make sure 'count' is clean int.
1884
1885 if (entry != NULL) {
1886 *entry = __ pc();
1887 // caller can pass a 64-bit byte count here (from Unsafe.copyMemory)
1888 BLOCK_COMMENT("Entry:");
1889 }
1890
1891 array_overlap_test(nooverlap_target, Address::times_1);
1892 setup_arg_regs(); // from => rdi, to => rsi, count => rdx
1893 // r9 and r10 may be used to save non-volatile registers
1894
1895 // 'from', 'to' and 'count' are now valid
1896 __ movptr(byte_count, count);
1897 __ shrptr(count, 3); // count => qword_count
1898
1899 // Copy from high to low addresses.
1900
1901 // Check for and copy trailing byte
1902 __ testl(byte_count, 1);
1903 __ jcc(Assembler::zero, L_copy_2_bytes);
1904 __ movb(rax, Address(from, byte_count, Address::times_1, -1));
1905 __ movb(Address(to, byte_count, Address::times_1, -1), rax);
1906 __ decrement(byte_count); // Adjust for possible trailing word
1907
1908 // Check for and copy trailing word
1909 __ BIND(L_copy_2_bytes);
1910 __ testl(byte_count, 2);
1911 __ jcc(Assembler::zero, L_copy_4_bytes);
1912 __ movw(rax, Address(from, byte_count, Address::times_1, -2));
1913 __ movw(Address(to, byte_count, Address::times_1, -2), rax);
1914
1915 // Check for and copy trailing dword
1916 __ BIND(L_copy_4_bytes);
1917 __ testl(byte_count, 4);
1918 __ jcc(Assembler::zero, L_copy_bytes);
1919 __ movl(rax, Address(from, qword_count, Address::times_8));
1920 __ movl(Address(to, qword_count, Address::times_8), rax);
1921 __ jmp(L_copy_bytes);
1922
1923 // Copy trailing qwords
1924 __ BIND(L_copy_8_bytes);
1925 __ movq(rax, Address(from, qword_count, Address::times_8, -8));
1926 __ movq(Address(to, qword_count, Address::times_8, -8), rax);
1927 __ decrement(qword_count);
1928 __ jcc(Assembler::notZero, L_copy_8_bytes);
1929
1930 restore_arg_regs();
1931 inc_counter_np(SharedRuntime::_jbyte_array_copy_ctr); // Update counter after rscratch1 is free
1932 __ xorptr(rax, rax); // return 0
1933 __ vzeroupper();
1934 __ leave(); // required for proper stackwalking of RuntimeStub frame
1935 __ ret(0);
1936
1937 // Copy in multi-bytes chunks
1938 copy_bytes_backward(from, to, qword_count, rax, L_copy_bytes, L_copy_8_bytes);
1939
1940 restore_arg_regs();
1941 inc_counter_np(SharedRuntime::_jbyte_array_copy_ctr); // Update counter after rscratch1 is free
1942 __ xorptr(rax, rax); // return 0
1943 __ vzeroupper();
1944 __ leave(); // required for proper stackwalking of RuntimeStub frame
1945 __ ret(0);
1946
1947 return start;
1948 }
1949
1950 // Arguments:
1951 // aligned - true => Input and output aligned on a HeapWord == 8-byte boundary
1952 // ignored
1953 // name - stub name string
1954 //
1955 // Inputs:
1956 // c_rarg0 - source array address
1957 // c_rarg1 - destination array address
1958 // c_rarg2 - element count, treated as ssize_t, can be zero
1959 //
1960 // If 'from' and/or 'to' are aligned on 4- or 2-byte boundaries, we
1961 // let the hardware handle it. The two or four words within dwords
1962 // or qwords that span cache line boundaries will still be loaded
1963 // and stored atomically.
1964 //
1965 // Side Effects:
1966 // disjoint_short_copy_entry is set to the no-overlap entry point
1967 // used by generate_conjoint_short_copy().
1968 //
1969 address generate_disjoint_short_copy(bool aligned, address *entry, const char *name) {
1970 __ align(CodeEntryAlignment);
1971 StubCodeMark mark(this, "StubRoutines", name);
1972 address start = __ pc();
1973
1974 Label L_copy_bytes, L_copy_8_bytes, L_copy_4_bytes,L_copy_2_bytes,L_exit;
1975 const Register from = rdi; // source array address
1976 const Register to = rsi; // destination array address
1977 const Register count = rdx; // elements count
1978 const Register word_count = rcx;
1979 const Register qword_count = count;
1980 const Register end_from = from; // source array end address
1981 const Register end_to = to; // destination array end address
1982 // End pointers are inclusive, and if count is not zero they point
1983 // to the last unit copied: end_to[0] := end_from[0]
1984
1985 __ enter(); // required for proper stackwalking of RuntimeStub frame
1986 assert_clean_int(c_rarg2, rax); // Make sure 'count' is clean int.
1987
1988 if (entry != NULL) {
1989 *entry = __ pc();
1990 // caller can pass a 64-bit byte count here (from Unsafe.copyMemory)
1991 BLOCK_COMMENT("Entry:");
1992 }
1993
1994 setup_arg_regs(); // from => rdi, to => rsi, count => rdx
1995 // r9 and r10 may be used to save non-volatile registers
1996
1997 // 'from', 'to' and 'count' are now valid
1998 __ movptr(word_count, count);
1999 __ shrptr(count, 2); // count => qword_count
2000
2001 // Copy from low to high addresses. Use 'to' as scratch.
2002 __ lea(end_from, Address(from, qword_count, Address::times_8, -8));
2003 __ lea(end_to, Address(to, qword_count, Address::times_8, -8));
2004 __ negptr(qword_count);
2005 __ jmp(L_copy_bytes);
2006
2007 // Copy trailing qwords
2008 __ BIND(L_copy_8_bytes);
2009 __ movq(rax, Address(end_from, qword_count, Address::times_8, 8));
2010 __ movq(Address(end_to, qword_count, Address::times_8, 8), rax);
2011 __ increment(qword_count);
2012 __ jcc(Assembler::notZero, L_copy_8_bytes);
2013
2014 // Original 'dest' is trashed, so we can't use it as a
2015 // base register for a possible trailing word copy
2016
2017 // Check for and copy trailing dword
2018 __ BIND(L_copy_4_bytes);
2019 __ testl(word_count, 2);
2020 __ jccb(Assembler::zero, L_copy_2_bytes);
2021 __ movl(rax, Address(end_from, 8));
2022 __ movl(Address(end_to, 8), rax);
2023
2024 __ addptr(end_from, 4);
2025 __ addptr(end_to, 4);
2026
2027 // Check for and copy trailing word
2028 __ BIND(L_copy_2_bytes);
2029 __ testl(word_count, 1);
2030 __ jccb(Assembler::zero, L_exit);
2031 __ movw(rax, Address(end_from, 8));
2032 __ movw(Address(end_to, 8), rax);
2033
2034 __ BIND(L_exit);
2035 restore_arg_regs();
2036 inc_counter_np(SharedRuntime::_jshort_array_copy_ctr); // Update counter after rscratch1 is free
2037 __ xorptr(rax, rax); // return 0
2038 __ vzeroupper();
2039 __ leave(); // required for proper stackwalking of RuntimeStub frame
2040 __ ret(0);
2041
2042 // Copy in multi-bytes chunks
2043 copy_bytes_forward(end_from, end_to, qword_count, rax, L_copy_bytes, L_copy_8_bytes);
2044 __ jmp(L_copy_4_bytes);
2045
2046 return start;
2047 }
2048
2049 address generate_fill(BasicType t, bool aligned, const char *name) {
2050 __ align(CodeEntryAlignment);
2051 StubCodeMark mark(this, "StubRoutines", name);
2052 address start = __ pc();
2053
2054 BLOCK_COMMENT("Entry:");
2055
2056 const Register to = c_rarg0; // source array address
2057 const Register value = c_rarg1; // value
2058 const Register count = c_rarg2; // elements count
2059
2060 __ enter(); // required for proper stackwalking of RuntimeStub frame
2061
2062 __ generate_fill(t, aligned, to, value, count, rax, xmm0);
2063
2064 __ vzeroupper();
2065 __ leave(); // required for proper stackwalking of RuntimeStub frame
2066 __ ret(0);
2067 return start;
2068 }
2069
2070 // Arguments:
2071 // aligned - true => Input and output aligned on a HeapWord == 8-byte boundary
2072 // ignored
2073 // name - stub name string
2074 //
2075 // Inputs:
2076 // c_rarg0 - source array address
2077 // c_rarg1 - destination array address
2078 // c_rarg2 - element count, treated as ssize_t, can be zero
2079 //
2080 // If 'from' and/or 'to' are aligned on 4- or 2-byte boundaries, we
2081 // let the hardware handle it. The two or four words within dwords
2082 // or qwords that span cache line boundaries will still be loaded
2083 // and stored atomically.
2084 //
2085 address generate_conjoint_short_copy(bool aligned, address nooverlap_target,
2086 address *entry, const char *name) {
2087 __ align(CodeEntryAlignment);
2088 StubCodeMark mark(this, "StubRoutines", name);
2089 address start = __ pc();
2090
2091 Label L_copy_bytes, L_copy_8_bytes, L_copy_4_bytes;
2092 const Register from = rdi; // source array address
2093 const Register to = rsi; // destination array address
2094 const Register count = rdx; // elements count
2095 const Register word_count = rcx;
2096 const Register qword_count = count;
2097
2098 __ enter(); // required for proper stackwalking of RuntimeStub frame
2099 assert_clean_int(c_rarg2, rax); // Make sure 'count' is clean int.
2100
2101 if (entry != NULL) {
2102 *entry = __ pc();
2103 // caller can pass a 64-bit byte count here (from Unsafe.copyMemory)
2104 BLOCK_COMMENT("Entry:");
2105 }
2106
2107 array_overlap_test(nooverlap_target, Address::times_2);
2108 setup_arg_regs(); // from => rdi, to => rsi, count => rdx
2109 // r9 and r10 may be used to save non-volatile registers
2110
2111 // 'from', 'to' and 'count' are now valid
2112 __ movptr(word_count, count);
2113 __ shrptr(count, 2); // count => qword_count
2114
2115 // Copy from high to low addresses. Use 'to' as scratch.
2116
2117 // Check for and copy trailing word
2118 __ testl(word_count, 1);
2119 __ jccb(Assembler::zero, L_copy_4_bytes);
2120 __ movw(rax, Address(from, word_count, Address::times_2, -2));
2121 __ movw(Address(to, word_count, Address::times_2, -2), rax);
2122
2123 // Check for and copy trailing dword
2124 __ BIND(L_copy_4_bytes);
2125 __ testl(word_count, 2);
2126 __ jcc(Assembler::zero, L_copy_bytes);
2127 __ movl(rax, Address(from, qword_count, Address::times_8));
2128 __ movl(Address(to, qword_count, Address::times_8), rax);
2129 __ jmp(L_copy_bytes);
2130
2131 // Copy trailing qwords
2132 __ BIND(L_copy_8_bytes);
2133 __ movq(rax, Address(from, qword_count, Address::times_8, -8));
2134 __ movq(Address(to, qword_count, Address::times_8, -8), rax);
2135 __ decrement(qword_count);
2136 __ jcc(Assembler::notZero, L_copy_8_bytes);
2137
2138 restore_arg_regs();
2139 inc_counter_np(SharedRuntime::_jshort_array_copy_ctr); // Update counter after rscratch1 is free
2140 __ xorptr(rax, rax); // return 0
2141 __ vzeroupper();
2142 __ leave(); // required for proper stackwalking of RuntimeStub frame
2143 __ ret(0);
2144
2145 // Copy in multi-bytes chunks
2146 copy_bytes_backward(from, to, qword_count, rax, L_copy_bytes, L_copy_8_bytes);
2147
2148 restore_arg_regs();
2149 inc_counter_np(SharedRuntime::_jshort_array_copy_ctr); // Update counter after rscratch1 is free
2150 __ xorptr(rax, rax); // return 0
2151 __ vzeroupper();
2152 __ leave(); // required for proper stackwalking of RuntimeStub frame
2153 __ ret(0);
2154
2155 return start;
2156 }
2157
2158 // Arguments:
2159 // aligned - true => Input and output aligned on a HeapWord == 8-byte boundary
2160 // ignored
2161 // is_oop - true => oop array, so generate store check code
2162 // name - stub name string
2163 //
2164 // Inputs:
2165 // c_rarg0 - source array address
2166 // c_rarg1 - destination array address
2167 // c_rarg2 - element count, treated as ssize_t, can be zero
2168 //
2169 // If 'from' and/or 'to' are aligned on 4-byte boundaries, we let
2170 // the hardware handle it. The two dwords within qwords that span
2171 // cache line boundaries will still be loaded and stored atomicly.
2172 //
2173 // Side Effects:
2174 // disjoint_int_copy_entry is set to the no-overlap entry point
2175 // used by generate_conjoint_int_oop_copy().
2176 //
2177 address generate_disjoint_int_oop_copy(bool aligned, bool is_oop, address* entry,
2178 const char *name, bool dest_uninitialized = false) {
2179 __ align(CodeEntryAlignment);
2180 StubCodeMark mark(this, "StubRoutines", name);
2181 address start = __ pc();
2182
2183 Label L_copy_bytes, L_copy_8_bytes, L_copy_4_bytes, L_exit;
2184 const Register from = rdi; // source array address
2185 const Register to = rsi; // destination array address
2186 const Register count = rdx; // elements count
2187 const Register dword_count = rcx;
2188 const Register qword_count = count;
2189 const Register end_from = from; // source array end address
2190 const Register end_to = to; // destination array end address
2191 // End pointers are inclusive, and if count is not zero they point
2192 // to the last unit copied: end_to[0] := end_from[0]
2193
2194 __ enter(); // required for proper stackwalking of RuntimeStub frame
2195 assert_clean_int(c_rarg2, rax); // Make sure 'count' is clean int.
2196
2197 if (entry != NULL) {
2198 *entry = __ pc();
2199 // caller can pass a 64-bit byte count here (from Unsafe.copyMemory)
2200 BLOCK_COMMENT("Entry:");
2201 }
2202
2203 setup_arg_regs_using_thread(); // from => rdi, to => rsi, count => rdx
2204 // r9 is used to save r15_thread
2205
2206 DecoratorSet decorators = IN_HEAP | IS_ARRAY | ARRAYCOPY_DISJOINT;
2207 if (dest_uninitialized) {
2208 decorators |= IS_DEST_UNINITIALIZED;
2209 }
2210 if (aligned) {
2211 decorators |= ARRAYCOPY_ALIGNED;
2212 }
2213
2214 BasicType type = is_oop ? T_OBJECT : T_INT;
2215 BarrierSetAssembler *bs = BarrierSet::barrier_set()->barrier_set_assembler();
2216 bs->arraycopy_prologue(_masm, decorators, type, from, to, count);
2217
2218 // 'from', 'to' and 'count' are now valid
2219 __ movptr(dword_count, count);
2220 __ shrptr(count, 1); // count => qword_count
2221
2222 // Copy from low to high addresses. Use 'to' as scratch.
2223 __ lea(end_from, Address(from, qword_count, Address::times_8, -8));
2224 __ lea(end_to, Address(to, qword_count, Address::times_8, -8));
2225 __ negptr(qword_count);
2226 __ jmp(L_copy_bytes);
2227
2228 // Copy trailing qwords
2229 __ BIND(L_copy_8_bytes);
2230 __ movq(rax, Address(end_from, qword_count, Address::times_8, 8));
2231 __ movq(Address(end_to, qword_count, Address::times_8, 8), rax);
2232 __ increment(qword_count);
2233 __ jcc(Assembler::notZero, L_copy_8_bytes);
2234
2235 // Check for and copy trailing dword
2236 __ BIND(L_copy_4_bytes);
2237 __ testl(dword_count, 1); // Only byte test since the value is 0 or 1
2238 __ jccb(Assembler::zero, L_exit);
2239 __ movl(rax, Address(end_from, 8));
2240 __ movl(Address(end_to, 8), rax);
2241
2242 __ BIND(L_exit);
2243 bs->arraycopy_epilogue(_masm, decorators, type, from, to, dword_count);
2244 restore_arg_regs_using_thread();
2245 inc_counter_np(SharedRuntime::_jint_array_copy_ctr); // Update counter after rscratch1 is free
2246 __ vzeroupper();
2247 __ xorptr(rax, rax); // return 0
2248 __ leave(); // required for proper stackwalking of RuntimeStub frame
2249 __ ret(0);
2250
2251 // Copy in multi-bytes chunks
2252 copy_bytes_forward(end_from, end_to, qword_count, rax, L_copy_bytes, L_copy_8_bytes);
2253 __ jmp(L_copy_4_bytes);
2254
2255 return start;
2256 }
2257
2258 // Arguments:
2259 // aligned - true => Input and output aligned on a HeapWord == 8-byte boundary
2260 // ignored
2261 // is_oop - true => oop array, so generate store check code
2262 // name - stub name string
2263 //
2264 // Inputs:
2265 // c_rarg0 - source array address
2266 // c_rarg1 - destination array address
2267 // c_rarg2 - element count, treated as ssize_t, can be zero
2268 //
2269 // If 'from' and/or 'to' are aligned on 4-byte boundaries, we let
2270 // the hardware handle it. The two dwords within qwords that span
2271 // cache line boundaries will still be loaded and stored atomicly.
2272 //
2273 address generate_conjoint_int_oop_copy(bool aligned, bool is_oop, address nooverlap_target,
2274 address *entry, const char *name,
2275 bool dest_uninitialized = false) {
2276 __ align(CodeEntryAlignment);
2277 StubCodeMark mark(this, "StubRoutines", name);
2278 address start = __ pc();
2279
2280 Label L_copy_bytes, L_copy_8_bytes, L_exit;
2281 const Register from = rdi; // source array address
2282 const Register to = rsi; // destination array address
2283 const Register count = rdx; // elements count
2284 const Register dword_count = rcx;
2285 const Register qword_count = count;
2286
2287 __ enter(); // required for proper stackwalking of RuntimeStub frame
2288 assert_clean_int(c_rarg2, rax); // Make sure 'count' is clean int.
2289
2290 if (entry != NULL) {
2291 *entry = __ pc();
2292 // caller can pass a 64-bit byte count here (from Unsafe.copyMemory)
2293 BLOCK_COMMENT("Entry:");
2294 }
2295
2296 array_overlap_test(nooverlap_target, Address::times_4);
2297 setup_arg_regs_using_thread(); // from => rdi, to => rsi, count => rdx
2298 // r9 is used to save r15_thread
2299
2300 DecoratorSet decorators = IN_HEAP | IS_ARRAY;
2301 if (dest_uninitialized) {
2302 decorators |= IS_DEST_UNINITIALIZED;
2303 }
2304 if (aligned) {
2305 decorators |= ARRAYCOPY_ALIGNED;
2306 }
2307
2308 BasicType type = is_oop ? T_OBJECT : T_INT;
2309 BarrierSetAssembler *bs = BarrierSet::barrier_set()->barrier_set_assembler();
2310 // no registers are destroyed by this call
2311 bs->arraycopy_prologue(_masm, decorators, type, from, to, count);
2312
2313 assert_clean_int(count, rax); // Make sure 'count' is clean int.
2314 // 'from', 'to' and 'count' are now valid
2315 __ movptr(dword_count, count);
2316 __ shrptr(count, 1); // count => qword_count
2317
2318 // Copy from high to low addresses. Use 'to' as scratch.
2319
2320 // Check for and copy trailing dword
2321 __ testl(dword_count, 1);
2322 __ jcc(Assembler::zero, L_copy_bytes);
2323 __ movl(rax, Address(from, dword_count, Address::times_4, -4));
2324 __ movl(Address(to, dword_count, Address::times_4, -4), rax);
2325 __ jmp(L_copy_bytes);
2326
2327 // Copy trailing qwords
2328 __ BIND(L_copy_8_bytes);
2329 __ movq(rax, Address(from, qword_count, Address::times_8, -8));
2330 __ movq(Address(to, qword_count, Address::times_8, -8), rax);
2331 __ decrement(qword_count);
2332 __ jcc(Assembler::notZero, L_copy_8_bytes);
2333
2334 if (is_oop) {
2335 __ jmp(L_exit);
2336 }
2337 restore_arg_regs_using_thread();
2338 inc_counter_np(SharedRuntime::_jint_array_copy_ctr); // Update counter after rscratch1 is free
2339 __ xorptr(rax, rax); // return 0
2340 __ vzeroupper();
2341 __ leave(); // required for proper stackwalking of RuntimeStub frame
2342 __ ret(0);
2343
2344 // Copy in multi-bytes chunks
2345 copy_bytes_backward(from, to, qword_count, rax, L_copy_bytes, L_copy_8_bytes);
2346
2347 __ BIND(L_exit);
2348 bs->arraycopy_epilogue(_masm, decorators, type, from, to, dword_count);
2349 restore_arg_regs_using_thread();
2350 inc_counter_np(SharedRuntime::_jint_array_copy_ctr); // Update counter after rscratch1 is free
2351 __ xorptr(rax, rax); // return 0
2352 __ vzeroupper();
2353 __ leave(); // required for proper stackwalking of RuntimeStub frame
2354 __ ret(0);
2355
2356 return start;
2357 }
2358
2359 // Arguments:
2360 // aligned - true => Input and output aligned on a HeapWord boundary == 8 bytes
2361 // ignored
2362 // is_oop - true => oop array, so generate store check code
2363 // name - stub name string
2364 //
2365 // Inputs:
2366 // c_rarg0 - source array address
2367 // c_rarg1 - destination array address
2368 // c_rarg2 - element count, treated as ssize_t, can be zero
2369 //
2370 // Side Effects:
2371 // disjoint_oop_copy_entry or disjoint_long_copy_entry is set to the
2372 // no-overlap entry point used by generate_conjoint_long_oop_copy().
2373 //
2374 address generate_disjoint_long_oop_copy(bool aligned, bool is_oop, address *entry,
2375 const char *name, bool dest_uninitialized = false) {
2376 __ align(CodeEntryAlignment);
2377 StubCodeMark mark(this, "StubRoutines", name);
2378 address start = __ pc();
2379
2380 Label L_copy_bytes, L_copy_8_bytes, L_exit;
2381 const Register from = rdi; // source array address
2382 const Register to = rsi; // destination array address
2383 const Register qword_count = rdx; // elements count
2384 const Register end_from = from; // source array end address
2385 const Register end_to = rcx; // destination array end address
2386 const Register saved_count = r11;
2387 // End pointers are inclusive, and if count is not zero they point
2388 // to the last unit copied: end_to[0] := end_from[0]
2389
2390 __ enter(); // required for proper stackwalking of RuntimeStub frame
2391 // Save no-overlap entry point for generate_conjoint_long_oop_copy()
2392 assert_clean_int(c_rarg2, rax); // Make sure 'count' is clean int.
2393
2394 if (entry != NULL) {
2395 *entry = __ pc();
2396 // caller can pass a 64-bit byte count here (from Unsafe.copyMemory)
2397 BLOCK_COMMENT("Entry:");
2398 }
2399
2400 setup_arg_regs_using_thread(); // from => rdi, to => rsi, count => rdx
2401 // r9 is used to save r15_thread
2402 // 'from', 'to' and 'qword_count' are now valid
2403
2404 DecoratorSet decorators = IN_HEAP | IS_ARRAY | ARRAYCOPY_DISJOINT;
2405 if (dest_uninitialized) {
2406 decorators |= IS_DEST_UNINITIALIZED;
2407 }
2408 if (aligned) {
2409 decorators |= ARRAYCOPY_ALIGNED;
2410 }
2411
2412 BasicType type = is_oop ? T_OBJECT : T_LONG;
2413 BarrierSetAssembler *bs = BarrierSet::barrier_set()->barrier_set_assembler();
2414 bs->arraycopy_prologue(_masm, decorators, type, from, to, qword_count);
2415
2416 // Copy from low to high addresses. Use 'to' as scratch.
2417 __ lea(end_from, Address(from, qword_count, Address::times_8, -8));
2418 __ lea(end_to, Address(to, qword_count, Address::times_8, -8));
2419 __ negptr(qword_count);
2420 __ jmp(L_copy_bytes);
2421
2422 // Copy trailing qwords
2423 __ BIND(L_copy_8_bytes);
2424 __ movq(rax, Address(end_from, qword_count, Address::times_8, 8));
2425 __ movq(Address(end_to, qword_count, Address::times_8, 8), rax);
2426 __ increment(qword_count);
2427 __ jcc(Assembler::notZero, L_copy_8_bytes);
2428
2429 if (is_oop) {
2430 __ jmp(L_exit);
2431 } else {
2432 restore_arg_regs_using_thread();
2433 inc_counter_np(SharedRuntime::_jlong_array_copy_ctr); // Update counter after rscratch1 is free
2434 __ xorptr(rax, rax); // return 0
2435 __ vzeroupper();
2436 __ leave(); // required for proper stackwalking of RuntimeStub frame
2437 __ ret(0);
2438 }
2439
2440 // Copy in multi-bytes chunks
2441 copy_bytes_forward(end_from, end_to, qword_count, rax, L_copy_bytes, L_copy_8_bytes);
2442
2443 __ BIND(L_exit);
2444 bs->arraycopy_epilogue(_masm, decorators, type, from, to, qword_count);
2445 restore_arg_regs_using_thread();
2446 if (is_oop) {
2447 inc_counter_np(SharedRuntime::_oop_array_copy_ctr); // Update counter after rscratch1 is free
2448 } else {
2449 inc_counter_np(SharedRuntime::_jlong_array_copy_ctr); // Update counter after rscratch1 is free
2450 }
2451 __ vzeroupper();
2452 __ xorptr(rax, rax); // return 0
2453 __ leave(); // required for proper stackwalking of RuntimeStub frame
2454 __ ret(0);
2455
2456 return start;
2457 }
2458
2459 // Arguments:
2460 // aligned - true => Input and output aligned on a HeapWord boundary == 8 bytes
2461 // ignored
2462 // is_oop - true => oop array, so generate store check code
2463 // name - stub name string
2464 //
2465 // Inputs:
2466 // c_rarg0 - source array address
2467 // c_rarg1 - destination array address
2468 // c_rarg2 - element count, treated as ssize_t, can be zero
2469 //
2470 address generate_conjoint_long_oop_copy(bool aligned, bool is_oop,
2471 address nooverlap_target, address *entry,
2472 const char *name, bool dest_uninitialized = false) {
2473 __ align(CodeEntryAlignment);
2474 StubCodeMark mark(this, "StubRoutines", name);
2475 address start = __ pc();
2476
2477 Label L_copy_bytes, L_copy_8_bytes, L_exit;
2478 const Register from = rdi; // source array address
2479 const Register to = rsi; // destination array address
2480 const Register qword_count = rdx; // elements count
2481 const Register saved_count = rcx;
2482
2483 __ enter(); // required for proper stackwalking of RuntimeStub frame
2484 assert_clean_int(c_rarg2, rax); // Make sure 'count' is clean int.
2485
2486 if (entry != NULL) {
2487 *entry = __ pc();
2488 // caller can pass a 64-bit byte count here (from Unsafe.copyMemory)
2489 BLOCK_COMMENT("Entry:");
2490 }
2491
2492 array_overlap_test(nooverlap_target, Address::times_8);
2493 setup_arg_regs_using_thread(); // from => rdi, to => rsi, count => rdx
2494 // r9 is used to save r15_thread
2495 // 'from', 'to' and 'qword_count' are now valid
2496
2497 DecoratorSet decorators = IN_HEAP | IS_ARRAY | ARRAYCOPY_DISJOINT;
2498 if (dest_uninitialized) {
2499 decorators |= IS_DEST_UNINITIALIZED;
2500 }
2501 if (aligned) {
2502 decorators |= ARRAYCOPY_ALIGNED;
2503 }
2504
2505 BasicType type = is_oop ? T_OBJECT : T_LONG;
2506 BarrierSetAssembler *bs = BarrierSet::barrier_set()->barrier_set_assembler();
2507 bs->arraycopy_prologue(_masm, decorators, type, from, to, qword_count);
2508
2509 __ jmp(L_copy_bytes);
2510
2511 // Copy trailing qwords
2512 __ BIND(L_copy_8_bytes);
2513 __ movq(rax, Address(from, qword_count, Address::times_8, -8));
2514 __ movq(Address(to, qword_count, Address::times_8, -8), rax);
2515 __ decrement(qword_count);
2516 __ jcc(Assembler::notZero, L_copy_8_bytes);
2517
2518 if (is_oop) {
2519 __ jmp(L_exit);
2520 } else {
2521 restore_arg_regs_using_thread();
2522 inc_counter_np(SharedRuntime::_jlong_array_copy_ctr); // Update counter after rscratch1 is free
2523 __ xorptr(rax, rax); // return 0
2524 __ vzeroupper();
2525 __ leave(); // required for proper stackwalking of RuntimeStub frame
2526 __ ret(0);
2527 }
2528
2529 // Copy in multi-bytes chunks
2530 copy_bytes_backward(from, to, qword_count, rax, L_copy_bytes, L_copy_8_bytes);
2531
2532 __ BIND(L_exit);
2533 bs->arraycopy_epilogue(_masm, decorators, type, from, to, qword_count);
2534 restore_arg_regs_using_thread();
2535 if (is_oop) {
2536 inc_counter_np(SharedRuntime::_oop_array_copy_ctr); // Update counter after rscratch1 is free
2537 } else {
2538 inc_counter_np(SharedRuntime::_jlong_array_copy_ctr); // Update counter after rscratch1 is free
2539 }
2540 __ vzeroupper();
2541 __ xorptr(rax, rax); // return 0
2542 __ leave(); // required for proper stackwalking of RuntimeStub frame
2543 __ ret(0);
2544
2545 return start;
2546 }
2547
2548
2549 // Helper for generating a dynamic type check.
2550 // Smashes no registers.
2551 void generate_type_check(Register sub_klass,
2552 Register super_check_offset,
2553 Register super_klass,
2554 Label& L_success) {
2555 assert_different_registers(sub_klass, super_check_offset, super_klass);
2556
2557 BLOCK_COMMENT("type_check:");
2558
2559 Label L_miss;
2560
2561 __ check_klass_subtype_fast_path(sub_klass, super_klass, noreg, &L_success, &L_miss, NULL,
2562 super_check_offset);
2563 __ check_klass_subtype_slow_path(sub_klass, super_klass, noreg, noreg, &L_success, NULL);
2564
2565 // Fall through on failure!
2566 __ BIND(L_miss);
2567 }
2568
2569 //
2570 // Generate checkcasting array copy stub
2571 //
2572 // Input:
2573 // c_rarg0 - source array address
2574 // c_rarg1 - destination array address
2575 // c_rarg2 - element count, treated as ssize_t, can be zero
2576 // c_rarg3 - size_t ckoff (super_check_offset)
2577 // not Win64
2578 // c_rarg4 - oop ckval (super_klass)
2579 // Win64
2580 // rsp+40 - oop ckval (super_klass)
2581 //
2582 // Output:
2583 // rax == 0 - success
2584 // rax == -1^K - failure, where K is partial transfer count
2585 //
2586 address generate_checkcast_copy(const char *name, address *entry,
2587 bool dest_uninitialized = false) {
2588
2589 Label L_load_element, L_store_element, L_do_card_marks, L_done;
2590
2591 // Input registers (after setup_arg_regs)
2592 const Register from = rdi; // source array address
2593 const Register to = rsi; // destination array address
2594 const Register length = rdx; // elements count
2595 const Register ckoff = rcx; // super_check_offset
2596 const Register ckval = r8; // super_klass
2597
2598 // Registers used as temps (r13, r14 are save-on-entry)
2599 const Register end_from = from; // source array end address
2600 const Register end_to = r13; // destination array end address
2601 const Register count = rdx; // -(count_remaining)
2602 const Register r14_length = r14; // saved copy of length
2603 // End pointers are inclusive, and if length is not zero they point
2604 // to the last unit copied: end_to[0] := end_from[0]
2605
2606 const Register rax_oop = rax; // actual oop copied
2607 const Register r11_klass = r11; // oop._klass
2608
2609 //---------------------------------------------------------------
2610 // Assembler stub will be used for this call to arraycopy
2611 // if the two arrays are subtypes of Object[] but the
2612 // destination array type is not equal to or a supertype
2613 // of the source type. Each element must be separately
2614 // checked.
2615
2616 __ align(CodeEntryAlignment);
2617 StubCodeMark mark(this, "StubRoutines", name);
2618 address start = __ pc();
2619
2620 __ enter(); // required for proper stackwalking of RuntimeStub frame
2621
2622 #ifdef ASSERT
2623 // caller guarantees that the arrays really are different
2624 // otherwise, we would have to make conjoint checks
2625 { Label L;
2626 array_overlap_test(L, TIMES_OOP);
2627 __ stop("checkcast_copy within a single array");
2628 __ bind(L);
2629 }
2630 #endif //ASSERT
2631
2632 setup_arg_regs(4); // from => rdi, to => rsi, length => rdx
2633 // ckoff => rcx, ckval => r8
2634 // r9 and r10 may be used to save non-volatile registers
2635 #ifdef _WIN64
2636 // last argument (#4) is on stack on Win64
2637 __ movptr(ckval, Address(rsp, 6 * wordSize));
2638 #endif
2639
2640 // Caller of this entry point must set up the argument registers.
2641 if (entry != NULL) {
2642 *entry = __ pc();
2643 BLOCK_COMMENT("Entry:");
2644 }
2645
2646 // allocate spill slots for r13, r14
2647 enum {
2648 saved_r13_offset,
2649 saved_r14_offset,
2650 saved_r10_offset,
2651 saved_rbp_offset
2652 };
2653 __ subptr(rsp, saved_rbp_offset * wordSize);
2654 __ movptr(Address(rsp, saved_r13_offset * wordSize), r13);
2655 __ movptr(Address(rsp, saved_r14_offset * wordSize), r14);
2656 __ movptr(Address(rsp, saved_r10_offset * wordSize), r10);
2657
2658 #ifdef ASSERT
2659 Label L2;
2660 __ get_thread(r14);
2661 __ cmpptr(r15_thread, r14);
2662 __ jcc(Assembler::equal, L2);
2663 __ stop("StubRoutines::call_stub: r15_thread is modified by call");
2664 __ bind(L2);
2665 #endif // ASSERT
2666
2667 // check that int operands are properly extended to size_t
2668 assert_clean_int(length, rax);
2669 assert_clean_int(ckoff, rax);
2670
2671 #ifdef ASSERT
2672 BLOCK_COMMENT("assert consistent ckoff/ckval");
2673 // The ckoff and ckval must be mutually consistent,
2674 // even though caller generates both.
2675 { Label L;
2676 int sco_offset = in_bytes(Klass::super_check_offset_offset());
2677 __ cmpl(ckoff, Address(ckval, sco_offset));
2678 __ jcc(Assembler::equal, L);
2679 __ stop("super_check_offset inconsistent");
2680 __ bind(L);
2681 }
2682 #endif //ASSERT
2683
2684 // Loop-invariant addresses. They are exclusive end pointers.
2685 Address end_from_addr(from, length, TIMES_OOP, 0);
2686 Address end_to_addr(to, length, TIMES_OOP, 0);
2687 // Loop-variant addresses. They assume post-incremented count < 0.
2688 Address from_element_addr(end_from, count, TIMES_OOP, 0);
2689 Address to_element_addr(end_to, count, TIMES_OOP, 0);
2690
2691 DecoratorSet decorators = IN_HEAP | IS_ARRAY | ARRAYCOPY_CHECKCAST;
2692 if (dest_uninitialized) {
2693 decorators |= IS_DEST_UNINITIALIZED;
2694 }
2695
2696 BasicType type = T_OBJECT;
2697 BarrierSetAssembler *bs = BarrierSet::barrier_set()->barrier_set_assembler();
2698 bs->arraycopy_prologue(_masm, decorators, type, from, to, count);
2699
2700 // Copy from low to high addresses, indexed from the end of each array.
2701 __ lea(end_from, end_from_addr);
2702 __ lea(end_to, end_to_addr);
2703 __ movptr(r14_length, length); // save a copy of the length
2704 assert(length == count, ""); // else fix next line:
2705 __ negptr(count); // negate and test the length
2706 __ jcc(Assembler::notZero, L_load_element);
2707
2708 // Empty array: Nothing to do.
2709 __ xorptr(rax, rax); // return 0 on (trivial) success
2710 __ jmp(L_done);
2711
2712 // ======== begin loop ========
2713 // (Loop is rotated; its entry is L_load_element.)
2714 // Loop control:
2715 // for (count = -count; count != 0; count++)
2716 // Base pointers src, dst are biased by 8*(count-1),to last element.
2717 __ align(OptoLoopAlignment);
2718
2719 __ BIND(L_store_element);
2720 __ store_heap_oop(to_element_addr, rax_oop, noreg, noreg, AS_RAW); // store the oop
2721 __ increment(count); // increment the count toward zero
2722 __ jcc(Assembler::zero, L_do_card_marks);
2723
2724 // ======== loop entry is here ========
2725 __ BIND(L_load_element);
2726 __ load_heap_oop(rax_oop, from_element_addr, noreg, noreg, AS_RAW); // load the oop
2727 __ testptr(rax_oop, rax_oop);
2728 __ jcc(Assembler::zero, L_store_element);
2729
2730 __ load_klass(r11_klass, rax_oop);// query the object klass
2731 generate_type_check(r11_klass, ckoff, ckval, L_store_element);
2732 // ======== end loop ========
2733
2734 // It was a real error; we must depend on the caller to finish the job.
2735 // Register rdx = -1 * number of *remaining* oops, r14 = *total* oops.
2736 // Emit GC store barriers for the oops we have copied (r14 + rdx),
2737 // and report their number to the caller.
2738 assert_different_registers(rax, r14_length, count, to, end_to, rcx, rscratch1);
2739 Label L_post_barrier;
2740 __ addptr(r14_length, count); // K = (original - remaining) oops
2741 __ movptr(rax, r14_length); // save the value
2742 __ notptr(rax); // report (-1^K) to caller (does not affect flags)
2743 __ jccb(Assembler::notZero, L_post_barrier);
2744 __ jmp(L_done); // K == 0, nothing was copied, skip post barrier
2745
2746 // Come here on success only.
2747 __ BIND(L_do_card_marks);
2748 __ xorptr(rax, rax); // return 0 on success
2749
2750 __ BIND(L_post_barrier);
2751 bs->arraycopy_epilogue(_masm, decorators, type, from, to, r14_length);
2752
2753 // Common exit point (success or failure).
2754 __ BIND(L_done);
2755 __ movptr(r13, Address(rsp, saved_r13_offset * wordSize));
2756 __ movptr(r14, Address(rsp, saved_r14_offset * wordSize));
2757 __ movptr(r10, Address(rsp, saved_r10_offset * wordSize));
2758 restore_arg_regs();
2759 inc_counter_np(SharedRuntime::_checkcast_array_copy_ctr); // Update counter after rscratch1 is free
2760 __ leave(); // required for proper stackwalking of RuntimeStub frame
2761 __ ret(0);
2762
2763 return start;
2764 }
2765
2766 //
2767 // Generate 'unsafe' array copy stub
2768 // Though just as safe as the other stubs, it takes an unscaled
2769 // size_t argument instead of an element count.
2770 //
2771 // Input:
2772 // c_rarg0 - source array address
2773 // c_rarg1 - destination array address
2774 // c_rarg2 - byte count, treated as ssize_t, can be zero
2775 //
2776 // Examines the alignment of the operands and dispatches
2777 // to a long, int, short, or byte copy loop.
2778 //
2779 address generate_unsafe_copy(const char *name,
2780 address byte_copy_entry, address short_copy_entry,
2781 address int_copy_entry, address long_copy_entry) {
2782
2783 Label L_long_aligned, L_int_aligned, L_short_aligned;
2784
2785 // Input registers (before setup_arg_regs)
2786 const Register from = c_rarg0; // source array address
2787 const Register to = c_rarg1; // destination array address
2788 const Register size = c_rarg2; // byte count (size_t)
2789
2790 // Register used as a temp
2791 const Register bits = rax; // test copy of low bits
2792
2793 __ align(CodeEntryAlignment);
2794 StubCodeMark mark(this, "StubRoutines", name);
2795 address start = __ pc();
2796
2797 __ enter(); // required for proper stackwalking of RuntimeStub frame
2798
2799 // bump this on entry, not on exit:
2800 inc_counter_np(SharedRuntime::_unsafe_array_copy_ctr);
2801
2802 __ mov(bits, from);
2803 __ orptr(bits, to);
2804 __ orptr(bits, size);
2805
2806 __ testb(bits, BytesPerLong-1);
2807 __ jccb(Assembler::zero, L_long_aligned);
2808
2809 __ testb(bits, BytesPerInt-1);
2810 __ jccb(Assembler::zero, L_int_aligned);
2811
2812 __ testb(bits, BytesPerShort-1);
2813 __ jump_cc(Assembler::notZero, RuntimeAddress(byte_copy_entry));
2814
2815 __ BIND(L_short_aligned);
2816 __ shrptr(size, LogBytesPerShort); // size => short_count
2817 __ jump(RuntimeAddress(short_copy_entry));
2818
2819 __ BIND(L_int_aligned);
2820 __ shrptr(size, LogBytesPerInt); // size => int_count
2821 __ jump(RuntimeAddress(int_copy_entry));
2822
2823 __ BIND(L_long_aligned);
2824 __ shrptr(size, LogBytesPerLong); // size => qword_count
2825 __ jump(RuntimeAddress(long_copy_entry));
2826
2827 return start;
2828 }
2829
2830 // Perform range checks on the proposed arraycopy.
2831 // Kills temp, but nothing else.
2832 // Also, clean the sign bits of src_pos and dst_pos.
2833 void arraycopy_range_checks(Register src, // source array oop (c_rarg0)
2834 Register src_pos, // source position (c_rarg1)
2835 Register dst, // destination array oo (c_rarg2)
2836 Register dst_pos, // destination position (c_rarg3)
2837 Register length,
2838 Register temp,
2839 Label& L_failed) {
2840 BLOCK_COMMENT("arraycopy_range_checks:");
2841
2842 // if (src_pos + length > arrayOop(src)->length()) FAIL;
2843 __ movl(temp, length);
2844 __ addl(temp, src_pos); // src_pos + length
2845 __ cmpl(temp, Address(src, arrayOopDesc::length_offset_in_bytes()));
2846 __ jcc(Assembler::above, L_failed);
2847
2848 // if (dst_pos + length > arrayOop(dst)->length()) FAIL;
2849 __ movl(temp, length);
2850 __ addl(temp, dst_pos); // dst_pos + length
2851 __ cmpl(temp, Address(dst, arrayOopDesc::length_offset_in_bytes()));
2852 __ jcc(Assembler::above, L_failed);
2853
2854 // Have to clean up high 32-bits of 'src_pos' and 'dst_pos'.
2855 // Move with sign extension can be used since they are positive.
2856 __ movslq(src_pos, src_pos);
2857 __ movslq(dst_pos, dst_pos);
2858
2859 BLOCK_COMMENT("arraycopy_range_checks done");
2860 }
2861
2862 //
2863 // Generate generic array copy stubs
2864 //
2865 // Input:
2866 // c_rarg0 - src oop
2867 // c_rarg1 - src_pos (32-bits)
2868 // c_rarg2 - dst oop
2869 // c_rarg3 - dst_pos (32-bits)
2870 // not Win64
2871 // c_rarg4 - element count (32-bits)
2872 // Win64
2873 // rsp+40 - element count (32-bits)
2874 //
2875 // Output:
2876 // rax == 0 - success
2877 // rax == -1^K - failure, where K is partial transfer count
2878 //
2879 address generate_generic_copy(const char *name,
2880 address byte_copy_entry, address short_copy_entry,
2881 address int_copy_entry, address oop_copy_entry,
2882 address long_copy_entry, address checkcast_copy_entry) {
2883
2884 Label L_failed, L_failed_0, L_objArray;
2885 Label L_copy_bytes, L_copy_shorts, L_copy_ints, L_copy_longs;
2886
2887 // Input registers
2888 const Register src = c_rarg0; // source array oop
2889 const Register src_pos = c_rarg1; // source position
2890 const Register dst = c_rarg2; // destination array oop
2891 const Register dst_pos = c_rarg3; // destination position
2892 #ifndef _WIN64
2893 const Register length = c_rarg4;
2894 #else
2895 const Address length(rsp, 6 * wordSize); // elements count is on stack on Win64
2896 #endif
2897
2898 { int modulus = CodeEntryAlignment;
2899 int target = modulus - 5; // 5 = sizeof jmp(L_failed)
2900 int advance = target - (__ offset() % modulus);
2901 if (advance < 0) advance += modulus;
2902 if (advance > 0) __ nop(advance);
2903 }
2904 StubCodeMark mark(this, "StubRoutines", name);
2905
2906 // Short-hop target to L_failed. Makes for denser prologue code.
2907 __ BIND(L_failed_0);
2908 __ jmp(L_failed);
2909 assert(__ offset() % CodeEntryAlignment == 0, "no further alignment needed");
2910
2911 __ align(CodeEntryAlignment);
2912 address start = __ pc();
2913
2914 __ enter(); // required for proper stackwalking of RuntimeStub frame
2915
2916 // bump this on entry, not on exit:
2917 inc_counter_np(SharedRuntime::_generic_array_copy_ctr);
2918
2919 //-----------------------------------------------------------------------
2920 // Assembler stub will be used for this call to arraycopy
2921 // if the following conditions are met:
2922 //
2923 // (1) src and dst must not be null.
2924 // (2) src_pos must not be negative.
2925 // (3) dst_pos must not be negative.
2926 // (4) length must not be negative.
2927 // (5) src klass and dst klass should be the same and not NULL.
2928 // (6) src and dst should be arrays.
2929 // (7) src_pos + length must not exceed length of src.
2930 // (8) dst_pos + length must not exceed length of dst.
2931 //
2932
2933 // if (src == NULL) return -1;
2934 __ testptr(src, src); // src oop
2935 size_t j1off = __ offset();
2936 __ jccb(Assembler::zero, L_failed_0);
2937
2938 // if (src_pos < 0) return -1;
2939 __ testl(src_pos, src_pos); // src_pos (32-bits)
2940 __ jccb(Assembler::negative, L_failed_0);
2941
2942 // if (dst == NULL) return -1;
2943 __ testptr(dst, dst); // dst oop
2944 __ jccb(Assembler::zero, L_failed_0);
2945
2946 // if (dst_pos < 0) return -1;
2947 __ testl(dst_pos, dst_pos); // dst_pos (32-bits)
2948 size_t j4off = __ offset();
2949 __ jccb(Assembler::negative, L_failed_0);
2950
2951 // The first four tests are very dense code,
2952 // but not quite dense enough to put four
2953 // jumps in a 16-byte instruction fetch buffer.
2954 // That's good, because some branch predicters
2955 // do not like jumps so close together.
2956 // Make sure of this.
2957 guarantee(((j1off ^ j4off) & ~15) != 0, "I$ line of 1st & 4th jumps");
2958
2959 // registers used as temp
2960 const Register r11_length = r11; // elements count to copy
2961 const Register r10_src_klass = r10; // array klass
2962
2963 // if (length < 0) return -1;
2964 __ movl(r11_length, length); // length (elements count, 32-bits value)
2965 __ testl(r11_length, r11_length);
2966 __ jccb(Assembler::negative, L_failed_0);
2967
2968 __ load_klass(r10_src_klass, src);
2969 #ifdef ASSERT
2970 // assert(src->klass() != NULL);
2971 {
2972 BLOCK_COMMENT("assert klasses not null {");
2973 Label L1, L2;
2974 __ testptr(r10_src_klass, r10_src_klass);
2975 __ jcc(Assembler::notZero, L2); // it is broken if klass is NULL
2976 __ bind(L1);
2977 __ stop("broken null klass");
2978 __ bind(L2);
2979 __ load_klass(rax, dst);
2980 __ cmpq(rax, 0);
2981 __ jcc(Assembler::equal, L1); // this would be broken also
2982 BLOCK_COMMENT("} assert klasses not null done");
2983 }
2984 #endif
2985
2986 // Load layout helper (32-bits)
2987 //
2988 // |array_tag| | header_size | element_type | |log2_element_size|
2989 // 32 30 24 16 8 2 0
2990 //
2991 // array_tag: typeArray = 0x3, objArray = 0x2, non-array = 0x0
2992 //
2993
2994 const int lh_offset = in_bytes(Klass::layout_helper_offset());
2995
2996 // Handle objArrays completely differently...
2997 const jint objArray_lh = Klass::array_layout_helper(T_OBJECT);
2998 __ cmpl(Address(r10_src_klass, lh_offset), objArray_lh);
2999 __ jcc(Assembler::equal, L_objArray);
3000
3001 // if (src->klass() != dst->klass()) return -1;
3002 __ load_klass(rax, dst);
3003 __ cmpq(r10_src_klass, rax);
3004 __ jcc(Assembler::notEqual, L_failed);
3005
3006 const Register rax_lh = rax; // layout helper
3007 __ movl(rax_lh, Address(r10_src_klass, lh_offset));
3008
3009 // if (!src->is_Array()) return -1;
3010 __ cmpl(rax_lh, Klass::_lh_neutral_value);
3011 __ jcc(Assembler::greaterEqual, L_failed);
3012
3013 // At this point, it is known to be a typeArray (array_tag 0x3).
3014 #ifdef ASSERT
3015 {
3016 BLOCK_COMMENT("assert primitive array {");
3017 Label L;
3018 __ cmpl(rax_lh, (Klass::_lh_array_tag_type_value << Klass::_lh_array_tag_shift));
3019 __ jcc(Assembler::greaterEqual, L);
3020 __ stop("must be a primitive array");
3021 __ bind(L);
3022 BLOCK_COMMENT("} assert primitive array done");
3023 }
3024 #endif
3025
3026 arraycopy_range_checks(src, src_pos, dst, dst_pos, r11_length,
3027 r10, L_failed);
3028
3029 // TypeArrayKlass
3030 //
3031 // src_addr = (src + array_header_in_bytes()) + (src_pos << log2elemsize);
3032 // dst_addr = (dst + array_header_in_bytes()) + (dst_pos << log2elemsize);
3033 //
3034
3035 const Register r10_offset = r10; // array offset
3036 const Register rax_elsize = rax_lh; // element size
3037
3038 __ movl(r10_offset, rax_lh);
3039 __ shrl(r10_offset, Klass::_lh_header_size_shift);
3040 __ andptr(r10_offset, Klass::_lh_header_size_mask); // array_offset
3041 __ addptr(src, r10_offset); // src array offset
3042 __ addptr(dst, r10_offset); // dst array offset
3043 BLOCK_COMMENT("choose copy loop based on element size");
3044 __ andl(rax_lh, Klass::_lh_log2_element_size_mask); // rax_lh -> rax_elsize
3045
3046 // next registers should be set before the jump to corresponding stub
3047 const Register from = c_rarg0; // source array address
3048 const Register to = c_rarg1; // destination array address
3049 const Register count = c_rarg2; // elements count
3050
3051 // 'from', 'to', 'count' registers should be set in such order
3052 // since they are the same as 'src', 'src_pos', 'dst'.
3053
3054 __ BIND(L_copy_bytes);
3055 __ cmpl(rax_elsize, 0);
3056 __ jccb(Assembler::notEqual, L_copy_shorts);
3057 __ lea(from, Address(src, src_pos, Address::times_1, 0));// src_addr
3058 __ lea(to, Address(dst, dst_pos, Address::times_1, 0));// dst_addr
3059 __ movl2ptr(count, r11_length); // length
3060 __ jump(RuntimeAddress(byte_copy_entry));
3061
3062 __ BIND(L_copy_shorts);
3063 __ cmpl(rax_elsize, LogBytesPerShort);
3064 __ jccb(Assembler::notEqual, L_copy_ints);
3065 __ lea(from, Address(src, src_pos, Address::times_2, 0));// src_addr
3066 __ lea(to, Address(dst, dst_pos, Address::times_2, 0));// dst_addr
3067 __ movl2ptr(count, r11_length); // length
3068 __ jump(RuntimeAddress(short_copy_entry));
3069
3070 __ BIND(L_copy_ints);
3071 __ cmpl(rax_elsize, LogBytesPerInt);
3072 __ jccb(Assembler::notEqual, L_copy_longs);
3073 __ lea(from, Address(src, src_pos, Address::times_4, 0));// src_addr
3074 __ lea(to, Address(dst, dst_pos, Address::times_4, 0));// dst_addr
3075 __ movl2ptr(count, r11_length); // length
3076 __ jump(RuntimeAddress(int_copy_entry));
3077
3078 __ BIND(L_copy_longs);
3079 #ifdef ASSERT
3080 {
3081 BLOCK_COMMENT("assert long copy {");
3082 Label L;
3083 __ cmpl(rax_elsize, LogBytesPerLong);
3084 __ jcc(Assembler::equal, L);
3085 __ stop("must be long copy, but elsize is wrong");
3086 __ bind(L);
3087 BLOCK_COMMENT("} assert long copy done");
3088 }
3089 #endif
3090 __ lea(from, Address(src, src_pos, Address::times_8, 0));// src_addr
3091 __ lea(to, Address(dst, dst_pos, Address::times_8, 0));// dst_addr
3092 __ movl2ptr(count, r11_length); // length
3093 __ jump(RuntimeAddress(long_copy_entry));
3094
3095 // ObjArrayKlass
3096 __ BIND(L_objArray);
3097 // live at this point: r10_src_klass, r11_length, src[_pos], dst[_pos]
3098
3099 Label L_plain_copy, L_checkcast_copy;
3100 // test array classes for subtyping
3101 __ load_klass(rax, dst);
3102 __ cmpq(r10_src_klass, rax); // usual case is exact equality
3103 __ jcc(Assembler::notEqual, L_checkcast_copy);
3104
3105 // Identically typed arrays can be copied without element-wise checks.
3106 arraycopy_range_checks(src, src_pos, dst, dst_pos, r11_length,
3107 r10, L_failed);
3108
3109 __ lea(from, Address(src, src_pos, TIMES_OOP,
3110 arrayOopDesc::base_offset_in_bytes(T_OBJECT))); // src_addr
3111 __ lea(to, Address(dst, dst_pos, TIMES_OOP,
3112 arrayOopDesc::base_offset_in_bytes(T_OBJECT))); // dst_addr
3113 __ movl2ptr(count, r11_length); // length
3114 __ BIND(L_plain_copy);
3115 __ jump(RuntimeAddress(oop_copy_entry));
3116
3117 __ BIND(L_checkcast_copy);
3118 // live at this point: r10_src_klass, r11_length, rax (dst_klass)
3119 {
3120 // Before looking at dst.length, make sure dst is also an objArray.
3121 __ cmpl(Address(rax, lh_offset), objArray_lh);
3122 __ jcc(Assembler::notEqual, L_failed);
3123
3124 // It is safe to examine both src.length and dst.length.
3125 arraycopy_range_checks(src, src_pos, dst, dst_pos, r11_length,
3126 rax, L_failed);
3127
3128 const Register r11_dst_klass = r11;
3129 __ load_klass(r11_dst_klass, dst); // reload
3130
3131 // Marshal the base address arguments now, freeing registers.
3132 __ lea(from, Address(src, src_pos, TIMES_OOP,
3133 arrayOopDesc::base_offset_in_bytes(T_OBJECT)));
3134 __ lea(to, Address(dst, dst_pos, TIMES_OOP,
3135 arrayOopDesc::base_offset_in_bytes(T_OBJECT)));
3136 __ movl(count, length); // length (reloaded)
3137 Register sco_temp = c_rarg3; // this register is free now
3138 assert_different_registers(from, to, count, sco_temp,
3139 r11_dst_klass, r10_src_klass);
3140 assert_clean_int(count, sco_temp);
3141
3142 // Generate the type check.
3143 const int sco_offset = in_bytes(Klass::super_check_offset_offset());
3144 __ movl(sco_temp, Address(r11_dst_klass, sco_offset));
3145 assert_clean_int(sco_temp, rax);
3146 generate_type_check(r10_src_klass, sco_temp, r11_dst_klass, L_plain_copy);
3147
3148 // Fetch destination element klass from the ObjArrayKlass header.
3149 int ek_offset = in_bytes(ObjArrayKlass::element_klass_offset());
3150 __ movptr(r11_dst_klass, Address(r11_dst_klass, ek_offset));
3151 __ movl( sco_temp, Address(r11_dst_klass, sco_offset));
3152 assert_clean_int(sco_temp, rax);
3153
3154 // the checkcast_copy loop needs two extra arguments:
3155 assert(c_rarg3 == sco_temp, "#3 already in place");
3156 // Set up arguments for checkcast_copy_entry.
3157 setup_arg_regs(4);
3158 __ movptr(r8, r11_dst_klass); // dst.klass.element_klass, r8 is c_rarg4 on Linux/Solaris
3159 __ jump(RuntimeAddress(checkcast_copy_entry));
3160 }
3161
3162 __ BIND(L_failed);
3163 __ xorptr(rax, rax);
3164 __ notptr(rax); // return -1
3165 __ leave(); // required for proper stackwalking of RuntimeStub frame
3166 __ ret(0);
3167
3168 return start;
3169 }
3170
3171 void generate_arraycopy_stubs() {
3172 address entry;
3173 address entry_jbyte_arraycopy;
3174 address entry_jshort_arraycopy;
3175 address entry_jint_arraycopy;
3176 address entry_oop_arraycopy;
3177 address entry_jlong_arraycopy;
3178 address entry_checkcast_arraycopy;
3179
3180 StubRoutines::_jbyte_disjoint_arraycopy = generate_disjoint_byte_copy(false, &entry,
3181 "jbyte_disjoint_arraycopy");
3182 StubRoutines::_jbyte_arraycopy = generate_conjoint_byte_copy(false, entry, &entry_jbyte_arraycopy,
3183 "jbyte_arraycopy");
3184
3185 StubRoutines::_jshort_disjoint_arraycopy = generate_disjoint_short_copy(false, &entry,
3186 "jshort_disjoint_arraycopy");
3187 StubRoutines::_jshort_arraycopy = generate_conjoint_short_copy(false, entry, &entry_jshort_arraycopy,
3188 "jshort_arraycopy");
3189
3190 StubRoutines::_jint_disjoint_arraycopy = generate_disjoint_int_oop_copy(false, false, &entry,
3191 "jint_disjoint_arraycopy");
3192 StubRoutines::_jint_arraycopy = generate_conjoint_int_oop_copy(false, false, entry,
3193 &entry_jint_arraycopy, "jint_arraycopy");
3194
3195 StubRoutines::_jlong_disjoint_arraycopy = generate_disjoint_long_oop_copy(false, false, &entry,
3196 "jlong_disjoint_arraycopy");
3197 StubRoutines::_jlong_arraycopy = generate_conjoint_long_oop_copy(false, false, entry,
3198 &entry_jlong_arraycopy, "jlong_arraycopy");
3199
3200
3201 if (UseCompressedOops) {
3202 StubRoutines::_oop_disjoint_arraycopy = generate_disjoint_int_oop_copy(false, true, &entry,
3203 "oop_disjoint_arraycopy");
3204 StubRoutines::_oop_arraycopy = generate_conjoint_int_oop_copy(false, true, entry,
3205 &entry_oop_arraycopy, "oop_arraycopy");
3206 StubRoutines::_oop_disjoint_arraycopy_uninit = generate_disjoint_int_oop_copy(false, true, &entry,
3207 "oop_disjoint_arraycopy_uninit",
3208 /*dest_uninitialized*/true);
3209 StubRoutines::_oop_arraycopy_uninit = generate_conjoint_int_oop_copy(false, true, entry,
3210 NULL, "oop_arraycopy_uninit",
3211 /*dest_uninitialized*/true);
3212 } else {
3213 StubRoutines::_oop_disjoint_arraycopy = generate_disjoint_long_oop_copy(false, true, &entry,
3214 "oop_disjoint_arraycopy");
3215 StubRoutines::_oop_arraycopy = generate_conjoint_long_oop_copy(false, true, entry,
3216 &entry_oop_arraycopy, "oop_arraycopy");
3217 StubRoutines::_oop_disjoint_arraycopy_uninit = generate_disjoint_long_oop_copy(false, true, &entry,
3218 "oop_disjoint_arraycopy_uninit",
3219 /*dest_uninitialized*/true);
3220 StubRoutines::_oop_arraycopy_uninit = generate_conjoint_long_oop_copy(false, true, entry,
3221 NULL, "oop_arraycopy_uninit",
3222 /*dest_uninitialized*/true);
3223 }
3224
3225 StubRoutines::_checkcast_arraycopy = generate_checkcast_copy("checkcast_arraycopy", &entry_checkcast_arraycopy);
3226 StubRoutines::_checkcast_arraycopy_uninit = generate_checkcast_copy("checkcast_arraycopy_uninit", NULL,
3227 /*dest_uninitialized*/true);
3228
3229 StubRoutines::_unsafe_arraycopy = generate_unsafe_copy("unsafe_arraycopy",
3230 entry_jbyte_arraycopy,
3231 entry_jshort_arraycopy,
3232 entry_jint_arraycopy,
3233 entry_jlong_arraycopy);
3234 StubRoutines::_generic_arraycopy = generate_generic_copy("generic_arraycopy",
3235 entry_jbyte_arraycopy,
3236 entry_jshort_arraycopy,
3237 entry_jint_arraycopy,
3238 entry_oop_arraycopy,
3239 entry_jlong_arraycopy,
3240 entry_checkcast_arraycopy);
3241
3242 StubRoutines::_jbyte_fill = generate_fill(T_BYTE, false, "jbyte_fill");
3243 StubRoutines::_jshort_fill = generate_fill(T_SHORT, false, "jshort_fill");
3244 StubRoutines::_jint_fill = generate_fill(T_INT, false, "jint_fill");
3245 StubRoutines::_arrayof_jbyte_fill = generate_fill(T_BYTE, true, "arrayof_jbyte_fill");
3246 StubRoutines::_arrayof_jshort_fill = generate_fill(T_SHORT, true, "arrayof_jshort_fill");
3247 StubRoutines::_arrayof_jint_fill = generate_fill(T_INT, true, "arrayof_jint_fill");
3248
3249 // We don't generate specialized code for HeapWord-aligned source
3250 // arrays, so just use the code we've already generated
3251 StubRoutines::_arrayof_jbyte_disjoint_arraycopy = StubRoutines::_jbyte_disjoint_arraycopy;
3252 StubRoutines::_arrayof_jbyte_arraycopy = StubRoutines::_jbyte_arraycopy;
3253
3254 StubRoutines::_arrayof_jshort_disjoint_arraycopy = StubRoutines::_jshort_disjoint_arraycopy;
3255 StubRoutines::_arrayof_jshort_arraycopy = StubRoutines::_jshort_arraycopy;
3256
3257 StubRoutines::_arrayof_jint_disjoint_arraycopy = StubRoutines::_jint_disjoint_arraycopy;
3258 StubRoutines::_arrayof_jint_arraycopy = StubRoutines::_jint_arraycopy;
3259
3260 StubRoutines::_arrayof_jlong_disjoint_arraycopy = StubRoutines::_jlong_disjoint_arraycopy;
3261 StubRoutines::_arrayof_jlong_arraycopy = StubRoutines::_jlong_arraycopy;
3262
3263 StubRoutines::_arrayof_oop_disjoint_arraycopy = StubRoutines::_oop_disjoint_arraycopy;
3264 StubRoutines::_arrayof_oop_arraycopy = StubRoutines::_oop_arraycopy;
3265
3266 StubRoutines::_arrayof_oop_disjoint_arraycopy_uninit = StubRoutines::_oop_disjoint_arraycopy_uninit;
3267 StubRoutines::_arrayof_oop_arraycopy_uninit = StubRoutines::_oop_arraycopy_uninit;
3268 }
3269
3270 // AES intrinsic stubs
3271 enum {AESBlockSize = 16};
3272
3273 address generate_key_shuffle_mask() {
3274 __ align(16);
3275 StubCodeMark mark(this, "StubRoutines", "key_shuffle_mask");
3276 address start = __ pc();
3277 __ emit_data64( 0x0405060700010203, relocInfo::none );
3278 __ emit_data64( 0x0c0d0e0f08090a0b, relocInfo::none );
3279 return start;
3280 }
3281
3282 address generate_counter_shuffle_mask() {
3283 __ align(16);
3284 StubCodeMark mark(this, "StubRoutines", "counter_shuffle_mask");
3285 address start = __ pc();
3286 __ emit_data64(0x08090a0b0c0d0e0f, relocInfo::none);
3287 __ emit_data64(0x0001020304050607, relocInfo::none);
3288 return start;
3289 }
3290
3291 // Utility routine for loading a 128-bit key word in little endian format
3292 // can optionally specify that the shuffle mask is already in an xmmregister
3293 void load_key(XMMRegister xmmdst, Register key, int offset, XMMRegister xmm_shuf_mask=NULL) {
3294 __ movdqu(xmmdst, Address(key, offset));
3295 if (xmm_shuf_mask != NULL) {
3296 __ pshufb(xmmdst, xmm_shuf_mask);
3297 } else {
3298 __ pshufb(xmmdst, ExternalAddress(StubRoutines::x86::key_shuffle_mask_addr()));
3299 }
3300 }
3301
3302 // Utility routine for increase 128bit counter (iv in CTR mode)
3303 void inc_counter(Register reg, XMMRegister xmmdst, int inc_delta, Label& next_block) {
3304 __ pextrq(reg, xmmdst, 0x0);
3305 __ addq(reg, inc_delta);
3306 __ pinsrq(xmmdst, reg, 0x0);
3307 __ jcc(Assembler::carryClear, next_block); // jump if no carry
3308 __ pextrq(reg, xmmdst, 0x01); // Carry
3309 __ addq(reg, 0x01);
3310 __ pinsrq(xmmdst, reg, 0x01); //Carry end
3311 __ BIND(next_block); // next instruction
3312 }
3313
3314 // Arguments:
3315 //
3316 // Inputs:
3317 // c_rarg0 - source byte array address
3318 // c_rarg1 - destination byte array address
3319 // c_rarg2 - K (key) in little endian int array
3320 //
3321 address generate_aescrypt_encryptBlock() {
3322 assert(UseAES, "need AES instructions and misaligned SSE support");
3323 __ align(CodeEntryAlignment);
3324 StubCodeMark mark(this, "StubRoutines", "aescrypt_encryptBlock");
3325 Label L_doLast;
3326 address start = __ pc();
3327
3328 const Register from = c_rarg0; // source array address
3329 const Register to = c_rarg1; // destination array address
3330 const Register key = c_rarg2; // key array address
3331 const Register keylen = rax;
3332
3333 const XMMRegister xmm_result = xmm0;
3334 const XMMRegister xmm_key_shuf_mask = xmm1;
3335 // On win64 xmm6-xmm15 must be preserved so don't use them.
3336 const XMMRegister xmm_temp1 = xmm2;
3337 const XMMRegister xmm_temp2 = xmm3;
3338 const XMMRegister xmm_temp3 = xmm4;
3339 const XMMRegister xmm_temp4 = xmm5;
3340
3341 __ enter(); // required for proper stackwalking of RuntimeStub frame
3342
3343 // keylen could be only {11, 13, 15} * 4 = {44, 52, 60}
3344 __ movl(keylen, Address(key, arrayOopDesc::length_offset_in_bytes() - arrayOopDesc::base_offset_in_bytes(T_INT)));
3345
3346 __ movdqu(xmm_key_shuf_mask, ExternalAddress(StubRoutines::x86::key_shuffle_mask_addr()));
3347 __ movdqu(xmm_result, Address(from, 0)); // get 16 bytes of input
3348
3349 // For encryption, the java expanded key ordering is just what we need
3350 // we don't know if the key is aligned, hence not using load-execute form
3351
3352 load_key(xmm_temp1, key, 0x00, xmm_key_shuf_mask);
3353 __ pxor(xmm_result, xmm_temp1);
3354
3355 load_key(xmm_temp1, key, 0x10, xmm_key_shuf_mask);
3356 load_key(xmm_temp2, key, 0x20, xmm_key_shuf_mask);
3357 load_key(xmm_temp3, key, 0x30, xmm_key_shuf_mask);
3358 load_key(xmm_temp4, key, 0x40, xmm_key_shuf_mask);
3359
3360 __ aesenc(xmm_result, xmm_temp1);
3361 __ aesenc(xmm_result, xmm_temp2);
3362 __ aesenc(xmm_result, xmm_temp3);
3363 __ aesenc(xmm_result, xmm_temp4);
3364
3365 load_key(xmm_temp1, key, 0x50, xmm_key_shuf_mask);
3366 load_key(xmm_temp2, key, 0x60, xmm_key_shuf_mask);
3367 load_key(xmm_temp3, key, 0x70, xmm_key_shuf_mask);
3368 load_key(xmm_temp4, key, 0x80, xmm_key_shuf_mask);
3369
3370 __ aesenc(xmm_result, xmm_temp1);
3371 __ aesenc(xmm_result, xmm_temp2);
3372 __ aesenc(xmm_result, xmm_temp3);
3373 __ aesenc(xmm_result, xmm_temp4);
3374
3375 load_key(xmm_temp1, key, 0x90, xmm_key_shuf_mask);
3376 load_key(xmm_temp2, key, 0xa0, xmm_key_shuf_mask);
3377
3378 __ cmpl(keylen, 44);
3379 __ jccb(Assembler::equal, L_doLast);
3380
3381 __ aesenc(xmm_result, xmm_temp1);
3382 __ aesenc(xmm_result, xmm_temp2);
3383
3384 load_key(xmm_temp1, key, 0xb0, xmm_key_shuf_mask);
3385 load_key(xmm_temp2, key, 0xc0, xmm_key_shuf_mask);
3386
3387 __ cmpl(keylen, 52);
3388 __ jccb(Assembler::equal, L_doLast);
3389
3390 __ aesenc(xmm_result, xmm_temp1);
3391 __ aesenc(xmm_result, xmm_temp2);
3392
3393 load_key(xmm_temp1, key, 0xd0, xmm_key_shuf_mask);
3394 load_key(xmm_temp2, key, 0xe0, xmm_key_shuf_mask);
3395
3396 __ BIND(L_doLast);
3397 __ aesenc(xmm_result, xmm_temp1);
3398 __ aesenclast(xmm_result, xmm_temp2);
3399 __ movdqu(Address(to, 0), xmm_result); // store the result
3400 __ xorptr(rax, rax); // return 0
3401 __ leave(); // required for proper stackwalking of RuntimeStub frame
3402 __ ret(0);
3403
3404 return start;
3405 }
3406
3407
3408 // Arguments:
3409 //
3410 // Inputs:
3411 // c_rarg0 - source byte array address
3412 // c_rarg1 - destination byte array address
3413 // c_rarg2 - K (key) in little endian int array
3414 //
3415 address generate_aescrypt_decryptBlock() {
3416 assert(UseAES, "need AES instructions and misaligned SSE support");
3417 __ align(CodeEntryAlignment);
3418 StubCodeMark mark(this, "StubRoutines", "aescrypt_decryptBlock");
3419 Label L_doLast;
3420 address start = __ pc();
3421
3422 const Register from = c_rarg0; // source array address
3423 const Register to = c_rarg1; // destination array address
3424 const Register key = c_rarg2; // key array address
3425 const Register keylen = rax;
3426
3427 const XMMRegister xmm_result = xmm0;
3428 const XMMRegister xmm_key_shuf_mask = xmm1;
3429 // On win64 xmm6-xmm15 must be preserved so don't use them.
3430 const XMMRegister xmm_temp1 = xmm2;
3431 const XMMRegister xmm_temp2 = xmm3;
3432 const XMMRegister xmm_temp3 = xmm4;
3433 const XMMRegister xmm_temp4 = xmm5;
3434
3435 __ enter(); // required for proper stackwalking of RuntimeStub frame
3436
3437 // keylen could be only {11, 13, 15} * 4 = {44, 52, 60}
3438 __ movl(keylen, Address(key, arrayOopDesc::length_offset_in_bytes() - arrayOopDesc::base_offset_in_bytes(T_INT)));
3439
3440 __ movdqu(xmm_key_shuf_mask, ExternalAddress(StubRoutines::x86::key_shuffle_mask_addr()));
3441 __ movdqu(xmm_result, Address(from, 0));
3442
3443 // for decryption java expanded key ordering is rotated one position from what we want
3444 // so we start from 0x10 here and hit 0x00 last
3445 // we don't know if the key is aligned, hence not using load-execute form
3446 load_key(xmm_temp1, key, 0x10, xmm_key_shuf_mask);
3447 load_key(xmm_temp2, key, 0x20, xmm_key_shuf_mask);
3448 load_key(xmm_temp3, key, 0x30, xmm_key_shuf_mask);
3449 load_key(xmm_temp4, key, 0x40, xmm_key_shuf_mask);
3450
3451 __ pxor (xmm_result, xmm_temp1);
3452 __ aesdec(xmm_result, xmm_temp2);
3453 __ aesdec(xmm_result, xmm_temp3);
3454 __ aesdec(xmm_result, xmm_temp4);
3455
3456 load_key(xmm_temp1, key, 0x50, xmm_key_shuf_mask);
3457 load_key(xmm_temp2, key, 0x60, xmm_key_shuf_mask);
3458 load_key(xmm_temp3, key, 0x70, xmm_key_shuf_mask);
3459 load_key(xmm_temp4, key, 0x80, xmm_key_shuf_mask);
3460
3461 __ aesdec(xmm_result, xmm_temp1);
3462 __ aesdec(xmm_result, xmm_temp2);
3463 __ aesdec(xmm_result, xmm_temp3);
3464 __ aesdec(xmm_result, xmm_temp4);
3465
3466 load_key(xmm_temp1, key, 0x90, xmm_key_shuf_mask);
3467 load_key(xmm_temp2, key, 0xa0, xmm_key_shuf_mask);
3468 load_key(xmm_temp3, key, 0x00, xmm_key_shuf_mask);
3469
3470 __ cmpl(keylen, 44);
3471 __ jccb(Assembler::equal, L_doLast);
3472
3473 __ aesdec(xmm_result, xmm_temp1);
3474 __ aesdec(xmm_result, xmm_temp2);
3475
3476 load_key(xmm_temp1, key, 0xb0, xmm_key_shuf_mask);
3477 load_key(xmm_temp2, key, 0xc0, xmm_key_shuf_mask);
3478
3479 __ cmpl(keylen, 52);
3480 __ jccb(Assembler::equal, L_doLast);
3481
3482 __ aesdec(xmm_result, xmm_temp1);
3483 __ aesdec(xmm_result, xmm_temp2);
3484
3485 load_key(xmm_temp1, key, 0xd0, xmm_key_shuf_mask);
3486 load_key(xmm_temp2, key, 0xe0, xmm_key_shuf_mask);
3487
3488 __ BIND(L_doLast);
3489 __ aesdec(xmm_result, xmm_temp1);
3490 __ aesdec(xmm_result, xmm_temp2);
3491
3492 // for decryption the aesdeclast operation is always on key+0x00
3493 __ aesdeclast(xmm_result, xmm_temp3);
3494 __ movdqu(Address(to, 0), xmm_result); // store the result
3495 __ xorptr(rax, rax); // return 0
3496 __ leave(); // required for proper stackwalking of RuntimeStub frame
3497 __ ret(0);
3498
3499 return start;
3500 }
3501
3502
3503 // Arguments:
3504 //
3505 // Inputs:
3506 // c_rarg0 - source byte array address
3507 // c_rarg1 - destination byte array address
3508 // c_rarg2 - K (key) in little endian int array
3509 // c_rarg3 - r vector byte array address
3510 // c_rarg4 - input length
3511 //
3512 // Output:
3513 // rax - input length
3514 //
3515 address generate_cipherBlockChaining_encryptAESCrypt() {
3516 assert(UseAES, "need AES instructions and misaligned SSE support");
3517 __ align(CodeEntryAlignment);
3518 StubCodeMark mark(this, "StubRoutines", "cipherBlockChaining_encryptAESCrypt");
3519 address start = __ pc();
3520
3521 Label L_exit, L_key_192_256, L_key_256, L_loopTop_128, L_loopTop_192, L_loopTop_256;
3522 const Register from = c_rarg0; // source array address
3523 const Register to = c_rarg1; // destination array address
3524 const Register key = c_rarg2; // key array address
3525 const Register rvec = c_rarg3; // r byte array initialized from initvector array address
3526 // and left with the results of the last encryption block
3527 #ifndef _WIN64
3528 const Register len_reg = c_rarg4; // src len (must be multiple of blocksize 16)
3529 #else
3530 const Address len_mem(rbp, 6 * wordSize); // length is on stack on Win64
3531 const Register len_reg = r11; // pick the volatile windows register
3532 #endif
3533 const Register pos = rax;
3534
3535 // xmm register assignments for the loops below
3536 const XMMRegister xmm_result = xmm0;
3537 const XMMRegister xmm_temp = xmm1;
3538 // keys 0-10 preloaded into xmm2-xmm12
3539 const int XMM_REG_NUM_KEY_FIRST = 2;
3540 const int XMM_REG_NUM_KEY_LAST = 15;
3541 const XMMRegister xmm_key0 = as_XMMRegister(XMM_REG_NUM_KEY_FIRST);
3542 const XMMRegister xmm_key10 = as_XMMRegister(XMM_REG_NUM_KEY_FIRST+10);
3543 const XMMRegister xmm_key11 = as_XMMRegister(XMM_REG_NUM_KEY_FIRST+11);
3544 const XMMRegister xmm_key12 = as_XMMRegister(XMM_REG_NUM_KEY_FIRST+12);
3545 const XMMRegister xmm_key13 = as_XMMRegister(XMM_REG_NUM_KEY_FIRST+13);
3546
3547 __ enter(); // required for proper stackwalking of RuntimeStub frame
3548
3549 #ifdef _WIN64
3550 // on win64, fill len_reg from stack position
3551 __ movl(len_reg, len_mem);
3552 #else
3553 __ push(len_reg); // Save
3554 #endif
3555
3556 const XMMRegister xmm_key_shuf_mask = xmm_temp; // used temporarily to swap key bytes up front
3557 __ movdqu(xmm_key_shuf_mask, ExternalAddress(StubRoutines::x86::key_shuffle_mask_addr()));
3558 // load up xmm regs xmm2 thru xmm12 with key 0x00 - 0xa0
3559 for (int rnum = XMM_REG_NUM_KEY_FIRST, offset = 0x00; rnum <= XMM_REG_NUM_KEY_FIRST+10; rnum++) {
3560 load_key(as_XMMRegister(rnum), key, offset, xmm_key_shuf_mask);
3561 offset += 0x10;
3562 }
3563 __ movdqu(xmm_result, Address(rvec, 0x00)); // initialize xmm_result with r vec
3564
3565 // now split to different paths depending on the keylen (len in ints of AESCrypt.KLE array (52=192, or 60=256))
3566 __ movl(rax, Address(key, arrayOopDesc::length_offset_in_bytes() - arrayOopDesc::base_offset_in_bytes(T_INT)));
3567 __ cmpl(rax, 44);
3568 __ jcc(Assembler::notEqual, L_key_192_256);
3569
3570 // 128 bit code follows here
3571 __ movptr(pos, 0);
3572 __ align(OptoLoopAlignment);
3573
3574 __ BIND(L_loopTop_128);
3575 __ movdqu(xmm_temp, Address(from, pos, Address::times_1, 0)); // get next 16 bytes of input
3576 __ pxor (xmm_result, xmm_temp); // xor with the current r vector
3577 __ pxor (xmm_result, xmm_key0); // do the aes rounds
3578 for (int rnum = XMM_REG_NUM_KEY_FIRST + 1; rnum <= XMM_REG_NUM_KEY_FIRST + 9; rnum++) {
3579 __ aesenc(xmm_result, as_XMMRegister(rnum));
3580 }
3581 __ aesenclast(xmm_result, xmm_key10);
3582 __ movdqu(Address(to, pos, Address::times_1, 0), xmm_result); // store into the next 16 bytes of output
3583 // no need to store r to memory until we exit
3584 __ addptr(pos, AESBlockSize);
3585 __ subptr(len_reg, AESBlockSize);
3586 __ jcc(Assembler::notEqual, L_loopTop_128);
3587
3588 __ BIND(L_exit);
3589 __ movdqu(Address(rvec, 0), xmm_result); // final value of r stored in rvec of CipherBlockChaining object
3590
3591 #ifdef _WIN64
3592 __ movl(rax, len_mem);
3593 #else
3594 __ pop(rax); // return length
3595 #endif
3596 __ leave(); // required for proper stackwalking of RuntimeStub frame
3597 __ ret(0);
3598
3599 __ BIND(L_key_192_256);
3600 // here rax = len in ints of AESCrypt.KLE array (52=192, or 60=256)
3601 load_key(xmm_key11, key, 0xb0, xmm_key_shuf_mask);
3602 load_key(xmm_key12, key, 0xc0, xmm_key_shuf_mask);
3603 __ cmpl(rax, 52);
3604 __ jcc(Assembler::notEqual, L_key_256);
3605
3606 // 192-bit code follows here (could be changed to use more xmm registers)
3607 __ movptr(pos, 0);
3608 __ align(OptoLoopAlignment);
3609
3610 __ BIND(L_loopTop_192);
3611 __ movdqu(xmm_temp, Address(from, pos, Address::times_1, 0)); // get next 16 bytes of input
3612 __ pxor (xmm_result, xmm_temp); // xor with the current r vector
3613 __ pxor (xmm_result, xmm_key0); // do the aes rounds
3614 for (int rnum = XMM_REG_NUM_KEY_FIRST + 1; rnum <= XMM_REG_NUM_KEY_FIRST + 11; rnum++) {
3615 __ aesenc(xmm_result, as_XMMRegister(rnum));
3616 }
3617 __ aesenclast(xmm_result, xmm_key12);
3618 __ movdqu(Address(to, pos, Address::times_1, 0), xmm_result); // store into the next 16 bytes of output
3619 // no need to store r to memory until we exit
3620 __ addptr(pos, AESBlockSize);
3621 __ subptr(len_reg, AESBlockSize);
3622 __ jcc(Assembler::notEqual, L_loopTop_192);
3623 __ jmp(L_exit);
3624
3625 __ BIND(L_key_256);
3626 // 256-bit code follows here (could be changed to use more xmm registers)
3627 load_key(xmm_key13, key, 0xd0, xmm_key_shuf_mask);
3628 __ movptr(pos, 0);
3629 __ align(OptoLoopAlignment);
3630
3631 __ BIND(L_loopTop_256);
3632 __ movdqu(xmm_temp, Address(from, pos, Address::times_1, 0)); // get next 16 bytes of input
3633 __ pxor (xmm_result, xmm_temp); // xor with the current r vector
3634 __ pxor (xmm_result, xmm_key0); // do the aes rounds
3635 for (int rnum = XMM_REG_NUM_KEY_FIRST + 1; rnum <= XMM_REG_NUM_KEY_FIRST + 13; rnum++) {
3636 __ aesenc(xmm_result, as_XMMRegister(rnum));
3637 }
3638 load_key(xmm_temp, key, 0xe0);
3639 __ aesenclast(xmm_result, xmm_temp);
3640 __ movdqu(Address(to, pos, Address::times_1, 0), xmm_result); // store into the next 16 bytes of output
3641 // no need to store r to memory until we exit
3642 __ addptr(pos, AESBlockSize);
3643 __ subptr(len_reg, AESBlockSize);
3644 __ jcc(Assembler::notEqual, L_loopTop_256);
3645 __ jmp(L_exit);
3646
3647 return start;
3648 }
3649
3650 // Safefetch stubs.
3651 void generate_safefetch(const char* name, int size, address* entry,
3652 address* fault_pc, address* continuation_pc) {
3653 // safefetch signatures:
3654 // int SafeFetch32(int* adr, int errValue);
3655 // intptr_t SafeFetchN (intptr_t* adr, intptr_t errValue);
3656 //
3657 // arguments:
3658 // c_rarg0 = adr
3659 // c_rarg1 = errValue
3660 //
3661 // result:
3662 // PPC_RET = *adr or errValue
3663
3664 StubCodeMark mark(this, "StubRoutines", name);
3665
3666 // Entry point, pc or function descriptor.
3667 *entry = __ pc();
3668
3669 // Load *adr into c_rarg1, may fault.
3670 *fault_pc = __ pc();
3671 switch (size) {
3672 case 4:
3673 // int32_t
3674 __ movl(c_rarg1, Address(c_rarg0, 0));
3675 break;
3676 case 8:
3677 // int64_t
3678 __ movq(c_rarg1, Address(c_rarg0, 0));
3679 break;
3680 default:
3681 ShouldNotReachHere();
3682 }
3683
3684 // return errValue or *adr
3685 *continuation_pc = __ pc();
3686 __ movq(rax, c_rarg1);
3687 __ ret(0);
3688 }
3689
3690 // This is a version of CBC/AES Decrypt which does 4 blocks in a loop at a time
3691 // to hide instruction latency
3692 //
3693 // Arguments:
3694 //
3695 // Inputs:
3696 // c_rarg0 - source byte array address
3697 // c_rarg1 - destination byte array address
3698 // c_rarg2 - K (key) in little endian int array
3699 // c_rarg3 - r vector byte array address
3700 // c_rarg4 - input length
3701 //
3702 // Output:
3703 // rax - input length
3704 //
3705 address generate_cipherBlockChaining_decryptAESCrypt_Parallel() {
3706 assert(UseAES, "need AES instructions and misaligned SSE support");
3707 __ align(CodeEntryAlignment);
3708 StubCodeMark mark(this, "StubRoutines", "cipherBlockChaining_decryptAESCrypt");
3709 address start = __ pc();
3710
3711 const Register from = c_rarg0; // source array address
3712 const Register to = c_rarg1; // destination array address
3713 const Register key = c_rarg2; // key array address
3714 const Register rvec = c_rarg3; // r byte array initialized from initvector array address
3715 // and left with the results of the last encryption block
3716 #ifndef _WIN64
3717 const Register len_reg = c_rarg4; // src len (must be multiple of blocksize 16)
3718 #else
3719 const Address len_mem(rbp, 6 * wordSize); // length is on stack on Win64
3720 const Register len_reg = r11; // pick the volatile windows register
3721 #endif
3722 const Register pos = rax;
3723
3724 const int PARALLEL_FACTOR = 4;
3725 const int ROUNDS[3] = { 10, 12, 14 }; // aes rounds for key128, key192, key256
3726
3727 Label L_exit;
3728 Label L_singleBlock_loopTopHead[3]; // 128, 192, 256
3729 Label L_singleBlock_loopTopHead2[3]; // 128, 192, 256
3730 Label L_singleBlock_loopTop[3]; // 128, 192, 256
3731 Label L_multiBlock_loopTopHead[3]; // 128, 192, 256
3732 Label L_multiBlock_loopTop[3]; // 128, 192, 256
3733
3734 // keys 0-10 preloaded into xmm5-xmm15
3735 const int XMM_REG_NUM_KEY_FIRST = 5;
3736 const int XMM_REG_NUM_KEY_LAST = 15;
3737 const XMMRegister xmm_key_first = as_XMMRegister(XMM_REG_NUM_KEY_FIRST);
3738 const XMMRegister xmm_key_last = as_XMMRegister(XMM_REG_NUM_KEY_LAST);
3739
3740 __ enter(); // required for proper stackwalking of RuntimeStub frame
3741
3742 #ifdef _WIN64
3743 // on win64, fill len_reg from stack position
3744 __ movl(len_reg, len_mem);
3745 #else
3746 __ push(len_reg); // Save
3747 #endif
3748 __ push(rbx);
3749 // the java expanded key ordering is rotated one position from what we want
3750 // so we start from 0x10 here and hit 0x00 last
3751 const XMMRegister xmm_key_shuf_mask = xmm1; // used temporarily to swap key bytes up front
3752 __ movdqu(xmm_key_shuf_mask, ExternalAddress(StubRoutines::x86::key_shuffle_mask_addr()));
3753 // load up xmm regs 5 thru 15 with key 0x10 - 0xa0 - 0x00
3754 for (int rnum = XMM_REG_NUM_KEY_FIRST, offset = 0x10; rnum < XMM_REG_NUM_KEY_LAST; rnum++) {
3755 load_key(as_XMMRegister(rnum), key, offset, xmm_key_shuf_mask);
3756 offset += 0x10;
3757 }
3758 load_key(xmm_key_last, key, 0x00, xmm_key_shuf_mask);
3759
3760 const XMMRegister xmm_prev_block_cipher = xmm1; // holds cipher of previous block
3761
3762 // registers holding the four results in the parallelized loop
3763 const XMMRegister xmm_result0 = xmm0;
3764 const XMMRegister xmm_result1 = xmm2;
3765 const XMMRegister xmm_result2 = xmm3;
3766 const XMMRegister xmm_result3 = xmm4;
3767
3768 __ movdqu(xmm_prev_block_cipher, Address(rvec, 0x00)); // initialize with initial rvec
3769
3770 __ xorptr(pos, pos);
3771
3772 // now split to different paths depending on the keylen (len in ints of AESCrypt.KLE array (52=192, or 60=256))
3773 __ movl(rbx, Address(key, arrayOopDesc::length_offset_in_bytes() - arrayOopDesc::base_offset_in_bytes(T_INT)));
3774 __ cmpl(rbx, 52);
3775 __ jcc(Assembler::equal, L_multiBlock_loopTopHead[1]);
3776 __ cmpl(rbx, 60);
3777 __ jcc(Assembler::equal, L_multiBlock_loopTopHead[2]);
3778
3779 #define DoFour(opc, src_reg) \
3780 __ opc(xmm_result0, src_reg); \
3781 __ opc(xmm_result1, src_reg); \
3782 __ opc(xmm_result2, src_reg); \
3783 __ opc(xmm_result3, src_reg); \
3784
3785 for (int k = 0; k < 3; ++k) {
3786 __ BIND(L_multiBlock_loopTopHead[k]);
3787 if (k != 0) {
3788 __ cmpptr(len_reg, PARALLEL_FACTOR * AESBlockSize); // see if at least 4 blocks left
3789 __ jcc(Assembler::less, L_singleBlock_loopTopHead2[k]);
3790 }
3791 if (k == 1) {
3792 __ subptr(rsp, 6 * wordSize);
3793 __ movdqu(Address(rsp, 0), xmm15); //save last_key from xmm15
3794 load_key(xmm15, key, 0xb0); // 0xb0; 192-bit key goes up to 0xc0
3795 __ movdqu(Address(rsp, 2 * wordSize), xmm15);
3796 load_key(xmm1, key, 0xc0); // 0xc0;
3797 __ movdqu(Address(rsp, 4 * wordSize), xmm1);
3798 } else if (k == 2) {
3799 __ subptr(rsp, 10 * wordSize);
3800 __ movdqu(Address(rsp, 0), xmm15); //save last_key from xmm15
3801 load_key(xmm15, key, 0xd0); // 0xd0; 256-bit key goes upto 0xe0
3802 __ movdqu(Address(rsp, 6 * wordSize), xmm15);
3803 load_key(xmm1, key, 0xe0); // 0xe0;
3804 __ movdqu(Address(rsp, 8 * wordSize), xmm1);
3805 load_key(xmm15, key, 0xb0); // 0xb0;
3806 __ movdqu(Address(rsp, 2 * wordSize), xmm15);
3807 load_key(xmm1, key, 0xc0); // 0xc0;
3808 __ movdqu(Address(rsp, 4 * wordSize), xmm1);
3809 }
3810 __ align(OptoLoopAlignment);
3811 __ BIND(L_multiBlock_loopTop[k]);
3812 __ cmpptr(len_reg, PARALLEL_FACTOR * AESBlockSize); // see if at least 4 blocks left
3813 __ jcc(Assembler::less, L_singleBlock_loopTopHead[k]);
3814
3815 if (k != 0) {
3816 __ movdqu(xmm15, Address(rsp, 2 * wordSize));
3817 __ movdqu(xmm1, Address(rsp, 4 * wordSize));
3818 }
3819
3820 __ movdqu(xmm_result0, Address(from, pos, Address::times_1, 0 * AESBlockSize)); // get next 4 blocks into xmmresult registers
3821 __ movdqu(xmm_result1, Address(from, pos, Address::times_1, 1 * AESBlockSize));
3822 __ movdqu(xmm_result2, Address(from, pos, Address::times_1, 2 * AESBlockSize));
3823 __ movdqu(xmm_result3, Address(from, pos, Address::times_1, 3 * AESBlockSize));
3824
3825 DoFour(pxor, xmm_key_first);
3826 if (k == 0) {
3827 for (int rnum = 1; rnum < ROUNDS[k]; rnum++) {
3828 DoFour(aesdec, as_XMMRegister(rnum + XMM_REG_NUM_KEY_FIRST));
3829 }
3830 DoFour(aesdeclast, xmm_key_last);
3831 } else if (k == 1) {
3832 for (int rnum = 1; rnum <= ROUNDS[k]-2; rnum++) {
3833 DoFour(aesdec, as_XMMRegister(rnum + XMM_REG_NUM_KEY_FIRST));
3834 }
3835 __ movdqu(xmm_key_last, Address(rsp, 0)); // xmm15 needs to be loaded again.
3836 DoFour(aesdec, xmm1); // key : 0xc0
3837 __ movdqu(xmm_prev_block_cipher, Address(rvec, 0x00)); // xmm1 needs to be loaded again
3838 DoFour(aesdeclast, xmm_key_last);
3839 } else if (k == 2) {
3840 for (int rnum = 1; rnum <= ROUNDS[k] - 4; rnum++) {
3841 DoFour(aesdec, as_XMMRegister(rnum + XMM_REG_NUM_KEY_FIRST));
3842 }
3843 DoFour(aesdec, xmm1); // key : 0xc0
3844 __ movdqu(xmm15, Address(rsp, 6 * wordSize));
3845 __ movdqu(xmm1, Address(rsp, 8 * wordSize));
3846 DoFour(aesdec, xmm15); // key : 0xd0
3847 __ movdqu(xmm_key_last, Address(rsp, 0)); // xmm15 needs to be loaded again.
3848 DoFour(aesdec, xmm1); // key : 0xe0
3849 __ movdqu(xmm_prev_block_cipher, Address(rvec, 0x00)); // xmm1 needs to be loaded again
3850 DoFour(aesdeclast, xmm_key_last);
3851 }
3852
3853 // for each result, xor with the r vector of previous cipher block
3854 __ pxor(xmm_result0, xmm_prev_block_cipher);
3855 __ movdqu(xmm_prev_block_cipher, Address(from, pos, Address::times_1, 0 * AESBlockSize));
3856 __ pxor(xmm_result1, xmm_prev_block_cipher);
3857 __ movdqu(xmm_prev_block_cipher, Address(from, pos, Address::times_1, 1 * AESBlockSize));
3858 __ pxor(xmm_result2, xmm_prev_block_cipher);
3859 __ movdqu(xmm_prev_block_cipher, Address(from, pos, Address::times_1, 2 * AESBlockSize));
3860 __ pxor(xmm_result3, xmm_prev_block_cipher);
3861 __ movdqu(xmm_prev_block_cipher, Address(from, pos, Address::times_1, 3 * AESBlockSize)); // this will carry over to next set of blocks
3862 if (k != 0) {
3863 __ movdqu(Address(rvec, 0x00), xmm_prev_block_cipher);
3864 }
3865
3866 __ movdqu(Address(to, pos, Address::times_1, 0 * AESBlockSize), xmm_result0); // store 4 results into the next 64 bytes of output
3867 __ movdqu(Address(to, pos, Address::times_1, 1 * AESBlockSize), xmm_result1);
3868 __ movdqu(Address(to, pos, Address::times_1, 2 * AESBlockSize), xmm_result2);
3869 __ movdqu(Address(to, pos, Address::times_1, 3 * AESBlockSize), xmm_result3);
3870
3871 __ addptr(pos, PARALLEL_FACTOR * AESBlockSize);
3872 __ subptr(len_reg, PARALLEL_FACTOR * AESBlockSize);
3873 __ jmp(L_multiBlock_loopTop[k]);
3874
3875 // registers used in the non-parallelized loops
3876 // xmm register assignments for the loops below
3877 const XMMRegister xmm_result = xmm0;
3878 const XMMRegister xmm_prev_block_cipher_save = xmm2;
3879 const XMMRegister xmm_key11 = xmm3;
3880 const XMMRegister xmm_key12 = xmm4;
3881 const XMMRegister key_tmp = xmm4;
3882
3883 __ BIND(L_singleBlock_loopTopHead[k]);
3884 if (k == 1) {
3885 __ addptr(rsp, 6 * wordSize);
3886 } else if (k == 2) {
3887 __ addptr(rsp, 10 * wordSize);
3888 }
3889 __ cmpptr(len_reg, 0); // any blocks left??
3890 __ jcc(Assembler::equal, L_exit);
3891 __ BIND(L_singleBlock_loopTopHead2[k]);
3892 if (k == 1) {
3893 load_key(xmm_key11, key, 0xb0); // 0xb0; 192-bit key goes upto 0xc0
3894 load_key(xmm_key12, key, 0xc0); // 0xc0; 192-bit key goes upto 0xc0
3895 }
3896 if (k == 2) {
3897 load_key(xmm_key11, key, 0xb0); // 0xb0; 256-bit key goes upto 0xe0
3898 }
3899 __ align(OptoLoopAlignment);
3900 __ BIND(L_singleBlock_loopTop[k]);
3901 __ movdqu(xmm_result, Address(from, pos, Address::times_1, 0)); // get next 16 bytes of cipher input
3902 __ movdqa(xmm_prev_block_cipher_save, xmm_result); // save for next r vector
3903 __ pxor(xmm_result, xmm_key_first); // do the aes dec rounds
3904 for (int rnum = 1; rnum <= 9 ; rnum++) {
3905 __ aesdec(xmm_result, as_XMMRegister(rnum + XMM_REG_NUM_KEY_FIRST));
3906 }
3907 if (k == 1) {
3908 __ aesdec(xmm_result, xmm_key11);
3909 __ aesdec(xmm_result, xmm_key12);
3910 }
3911 if (k == 2) {
3912 __ aesdec(xmm_result, xmm_key11);
3913 load_key(key_tmp, key, 0xc0);
3914 __ aesdec(xmm_result, key_tmp);
3915 load_key(key_tmp, key, 0xd0);
3916 __ aesdec(xmm_result, key_tmp);
3917 load_key(key_tmp, key, 0xe0);
3918 __ aesdec(xmm_result, key_tmp);
3919 }
3920
3921 __ aesdeclast(xmm_result, xmm_key_last); // xmm15 always came from key+0
3922 __ pxor(xmm_result, xmm_prev_block_cipher); // xor with the current r vector
3923 __ movdqu(Address(to, pos, Address::times_1, 0), xmm_result); // store into the next 16 bytes of output
3924 // no need to store r to memory until we exit
3925 __ movdqa(xmm_prev_block_cipher, xmm_prev_block_cipher_save); // set up next r vector with cipher input from this block
3926 __ addptr(pos, AESBlockSize);
3927 __ subptr(len_reg, AESBlockSize);
3928 __ jcc(Assembler::notEqual, L_singleBlock_loopTop[k]);
3929 if (k != 2) {
3930 __ jmp(L_exit);
3931 }
3932 } //for 128/192/256
3933
3934 __ BIND(L_exit);
3935 __ movdqu(Address(rvec, 0), xmm_prev_block_cipher); // final value of r stored in rvec of CipherBlockChaining object
3936 __ pop(rbx);
3937 #ifdef _WIN64
3938 __ movl(rax, len_mem);
3939 #else
3940 __ pop(rax); // return length
3941 #endif
3942 __ leave(); // required for proper stackwalking of RuntimeStub frame
3943 __ ret(0);
3944 return start;
3945 }
3946
3947 address generate_upper_word_mask() {
3948 __ align(64);
3949 StubCodeMark mark(this, "StubRoutines", "upper_word_mask");
3950 address start = __ pc();
3951 __ emit_data64(0x0000000000000000, relocInfo::none);
3952 __ emit_data64(0xFFFFFFFF00000000, relocInfo::none);
3953 return start;
3954 }
3955
3956 address generate_shuffle_byte_flip_mask() {
3957 __ align(64);
3958 StubCodeMark mark(this, "StubRoutines", "shuffle_byte_flip_mask");
3959 address start = __ pc();
3960 __ emit_data64(0x08090a0b0c0d0e0f, relocInfo::none);
3961 __ emit_data64(0x0001020304050607, relocInfo::none);
3962 return start;
3963 }
3964
3965 // ofs and limit are use for multi-block byte array.
3966 // int com.sun.security.provider.DigestBase.implCompressMultiBlock(byte[] b, int ofs, int limit)
3967 address generate_sha1_implCompress(bool multi_block, const char *name) {
3968 __ align(CodeEntryAlignment);
3969 StubCodeMark mark(this, "StubRoutines", name);
3970 address start = __ pc();
3971
3972 Register buf = c_rarg0;
3973 Register state = c_rarg1;
3974 Register ofs = c_rarg2;
3975 Register limit = c_rarg3;
3976
3977 const XMMRegister abcd = xmm0;
3978 const XMMRegister e0 = xmm1;
3979 const XMMRegister e1 = xmm2;
3980 const XMMRegister msg0 = xmm3;
3981
3982 const XMMRegister msg1 = xmm4;
3983 const XMMRegister msg2 = xmm5;
3984 const XMMRegister msg3 = xmm6;
3985 const XMMRegister shuf_mask = xmm7;
3986
3987 __ enter();
3988
3989 __ subptr(rsp, 4 * wordSize);
3990
3991 __ fast_sha1(abcd, e0, e1, msg0, msg1, msg2, msg3, shuf_mask,
3992 buf, state, ofs, limit, rsp, multi_block);
3993
3994 __ addptr(rsp, 4 * wordSize);
3995
3996 __ leave();
3997 __ ret(0);
3998 return start;
3999 }
4000
4001 address generate_pshuffle_byte_flip_mask() {
4002 __ align(64);
4003 StubCodeMark mark(this, "StubRoutines", "pshuffle_byte_flip_mask");
4004 address start = __ pc();
4005 __ emit_data64(0x0405060700010203, relocInfo::none);
4006 __ emit_data64(0x0c0d0e0f08090a0b, relocInfo::none);
4007
4008 if (VM_Version::supports_avx2()) {
4009 __ emit_data64(0x0405060700010203, relocInfo::none); // second copy
4010 __ emit_data64(0x0c0d0e0f08090a0b, relocInfo::none);
4011 // _SHUF_00BA
4012 __ emit_data64(0x0b0a090803020100, relocInfo::none);
4013 __ emit_data64(0xFFFFFFFFFFFFFFFF, relocInfo::none);
4014 __ emit_data64(0x0b0a090803020100, relocInfo::none);
4015 __ emit_data64(0xFFFFFFFFFFFFFFFF, relocInfo::none);
4016 // _SHUF_DC00
4017 __ emit_data64(0xFFFFFFFFFFFFFFFF, relocInfo::none);
4018 __ emit_data64(0x0b0a090803020100, relocInfo::none);
4019 __ emit_data64(0xFFFFFFFFFFFFFFFF, relocInfo::none);
4020 __ emit_data64(0x0b0a090803020100, relocInfo::none);
4021 }
4022
4023 return start;
4024 }
4025
4026 //Mask for byte-swapping a couple of qwords in an XMM register using (v)pshufb.
4027 address generate_pshuffle_byte_flip_mask_sha512() {
4028 __ align(32);
4029 StubCodeMark mark(this, "StubRoutines", "pshuffle_byte_flip_mask_sha512");
4030 address start = __ pc();
4031 if (VM_Version::supports_avx2()) {
4032 __ emit_data64(0x0001020304050607, relocInfo::none); // PSHUFFLE_BYTE_FLIP_MASK
4033 __ emit_data64(0x08090a0b0c0d0e0f, relocInfo::none);
4034 __ emit_data64(0x1011121314151617, relocInfo::none);
4035 __ emit_data64(0x18191a1b1c1d1e1f, relocInfo::none);
4036 __ emit_data64(0x0000000000000000, relocInfo::none); //MASK_YMM_LO
4037 __ emit_data64(0x0000000000000000, relocInfo::none);
4038 __ emit_data64(0xFFFFFFFFFFFFFFFF, relocInfo::none);
4039 __ emit_data64(0xFFFFFFFFFFFFFFFF, relocInfo::none);
4040 }
4041
4042 return start;
4043 }
4044
4045 // ofs and limit are use for multi-block byte array.
4046 // int com.sun.security.provider.DigestBase.implCompressMultiBlock(byte[] b, int ofs, int limit)
4047 address generate_sha256_implCompress(bool multi_block, const char *name) {
4048 assert(VM_Version::supports_sha() || VM_Version::supports_avx2(), "");
4049 __ align(CodeEntryAlignment);
4050 StubCodeMark mark(this, "StubRoutines", name);
4051 address start = __ pc();
4052
4053 Register buf = c_rarg0;
4054 Register state = c_rarg1;
4055 Register ofs = c_rarg2;
4056 Register limit = c_rarg3;
4057
4058 const XMMRegister msg = xmm0;
4059 const XMMRegister state0 = xmm1;
4060 const XMMRegister state1 = xmm2;
4061 const XMMRegister msgtmp0 = xmm3;
4062
4063 const XMMRegister msgtmp1 = xmm4;
4064 const XMMRegister msgtmp2 = xmm5;
4065 const XMMRegister msgtmp3 = xmm6;
4066 const XMMRegister msgtmp4 = xmm7;
4067
4068 const XMMRegister shuf_mask = xmm8;
4069
4070 __ enter();
4071
4072 __ subptr(rsp, 4 * wordSize);
4073
4074 if (VM_Version::supports_sha()) {
4075 __ fast_sha256(msg, state0, state1, msgtmp0, msgtmp1, msgtmp2, msgtmp3, msgtmp4,
4076 buf, state, ofs, limit, rsp, multi_block, shuf_mask);
4077 } else if (VM_Version::supports_avx2()) {
4078 __ sha256_AVX2(msg, state0, state1, msgtmp0, msgtmp1, msgtmp2, msgtmp3, msgtmp4,
4079 buf, state, ofs, limit, rsp, multi_block, shuf_mask);
4080 }
4081 __ addptr(rsp, 4 * wordSize);
4082 __ vzeroupper();
4083 __ leave();
4084 __ ret(0);
4085 return start;
4086 }
4087
4088 address generate_sha512_implCompress(bool multi_block, const char *name) {
4089 assert(VM_Version::supports_avx2(), "");
4090 assert(VM_Version::supports_bmi2(), "");
4091 __ align(CodeEntryAlignment);
4092 StubCodeMark mark(this, "StubRoutines", name);
4093 address start = __ pc();
4094
4095 Register buf = c_rarg0;
4096 Register state = c_rarg1;
4097 Register ofs = c_rarg2;
4098 Register limit = c_rarg3;
4099
4100 const XMMRegister msg = xmm0;
4101 const XMMRegister state0 = xmm1;
4102 const XMMRegister state1 = xmm2;
4103 const XMMRegister msgtmp0 = xmm3;
4104 const XMMRegister msgtmp1 = xmm4;
4105 const XMMRegister msgtmp2 = xmm5;
4106 const XMMRegister msgtmp3 = xmm6;
4107 const XMMRegister msgtmp4 = xmm7;
4108
4109 const XMMRegister shuf_mask = xmm8;
4110
4111 __ enter();
4112
4113 __ sha512_AVX2(msg, state0, state1, msgtmp0, msgtmp1, msgtmp2, msgtmp3, msgtmp4,
4114 buf, state, ofs, limit, rsp, multi_block, shuf_mask);
4115
4116 __ vzeroupper();
4117 __ leave();
4118 __ ret(0);
4119 return start;
4120 }
4121
4122 // This is a version of CTR/AES crypt which does 6 blocks in a loop at a time
4123 // to hide instruction latency
4124 //
4125 // Arguments:
4126 //
4127 // Inputs:
4128 // c_rarg0 - source byte array address
4129 // c_rarg1 - destination byte array address
4130 // c_rarg2 - K (key) in little endian int array
4131 // c_rarg3 - counter vector byte array address
4132 // Linux
4133 // c_rarg4 - input length
4134 // c_rarg5 - saved encryptedCounter start
4135 // rbp + 6 * wordSize - saved used length
4136 // Windows
4137 // rbp + 6 * wordSize - input length
4138 // rbp + 7 * wordSize - saved encryptedCounter start
4139 // rbp + 8 * wordSize - saved used length
4140 //
4141 // Output:
4142 // rax - input length
4143 //
4144 address generate_counterMode_AESCrypt_Parallel() {
4145 assert(UseAES, "need AES instructions and misaligned SSE support");
4146 __ align(CodeEntryAlignment);
4147 StubCodeMark mark(this, "StubRoutines", "counterMode_AESCrypt");
4148 address start = __ pc();
4149 const Register from = c_rarg0; // source array address
4150 const Register to = c_rarg1; // destination array address
4151 const Register key = c_rarg2; // key array address
4152 const Register counter = c_rarg3; // counter byte array initialized from counter array address
4153 // and updated with the incremented counter in the end
4154 #ifndef _WIN64
4155 const Register len_reg = c_rarg4;
4156 const Register saved_encCounter_start = c_rarg5;
4157 const Register used_addr = r10;
4158 const Address used_mem(rbp, 2 * wordSize);
4159 const Register used = r11;
4160 #else
4161 const Address len_mem(rbp, 6 * wordSize); // length is on stack on Win64
4162 const Address saved_encCounter_mem(rbp, 7 * wordSize); // length is on stack on Win64
4163 const Address used_mem(rbp, 8 * wordSize); // length is on stack on Win64
4164 const Register len_reg = r10; // pick the first volatile windows register
4165 const Register saved_encCounter_start = r11;
4166 const Register used_addr = r13;
4167 const Register used = r14;
4168 #endif
4169 const Register pos = rax;
4170
4171 const int PARALLEL_FACTOR = 6;
4172 const XMMRegister xmm_counter_shuf_mask = xmm0;
4173 const XMMRegister xmm_key_shuf_mask = xmm1; // used temporarily to swap key bytes up front
4174 const XMMRegister xmm_curr_counter = xmm2;
4175
4176 const XMMRegister xmm_key_tmp0 = xmm3;
4177 const XMMRegister xmm_key_tmp1 = xmm4;
4178
4179 // registers holding the four results in the parallelized loop
4180 const XMMRegister xmm_result0 = xmm5;
4181 const XMMRegister xmm_result1 = xmm6;
4182 const XMMRegister xmm_result2 = xmm7;
4183 const XMMRegister xmm_result3 = xmm8;
4184 const XMMRegister xmm_result4 = xmm9;
4185 const XMMRegister xmm_result5 = xmm10;
4186
4187 const XMMRegister xmm_from0 = xmm11;
4188 const XMMRegister xmm_from1 = xmm12;
4189 const XMMRegister xmm_from2 = xmm13;
4190 const XMMRegister xmm_from3 = xmm14; //the last one is xmm14. we have to preserve it on WIN64.
4191 const XMMRegister xmm_from4 = xmm3; //reuse xmm3~4. Because xmm_key_tmp0~1 are useless when loading input text
4192 const XMMRegister xmm_from5 = xmm4;
4193
4194 //for key_128, key_192, key_256
4195 const int rounds[3] = {10, 12, 14};
4196 Label L_exit_preLoop, L_preLoop_start;
4197 Label L_multiBlock_loopTop[3];
4198 Label L_singleBlockLoopTop[3];
4199 Label L__incCounter[3][6]; //for 6 blocks
4200 Label L__incCounter_single[3]; //for single block, key128, key192, key256
4201 Label L_processTail_insr[3], L_processTail_4_insr[3], L_processTail_2_insr[3], L_processTail_1_insr[3], L_processTail_exit_insr[3];
4202 Label L_processTail_4_extr[3], L_processTail_2_extr[3], L_processTail_1_extr[3], L_processTail_exit_extr[3];
4203
4204 Label L_exit;
4205
4206 __ enter(); // required for proper stackwalking of RuntimeStub frame
4207
4208 #ifdef _WIN64
4209 // allocate spill slots for r13, r14
4210 enum {
4211 saved_r13_offset,
4212 saved_r14_offset
4213 };
4214 __ subptr(rsp, 2 * wordSize);
4215 __ movptr(Address(rsp, saved_r13_offset * wordSize), r13);
4216 __ movptr(Address(rsp, saved_r14_offset * wordSize), r14);
4217
4218 // on win64, fill len_reg from stack position
4219 __ movl(len_reg, len_mem);
4220 __ movptr(saved_encCounter_start, saved_encCounter_mem);
4221 __ movptr(used_addr, used_mem);
4222 __ movl(used, Address(used_addr, 0));
4223 #else
4224 __ push(len_reg); // Save
4225 __ movptr(used_addr, used_mem);
4226 __ movl(used, Address(used_addr, 0));
4227 #endif
4228
4229 __ push(rbx); // Save RBX
4230 __ movdqu(xmm_curr_counter, Address(counter, 0x00)); // initialize counter with initial counter
4231 __ movdqu(xmm_counter_shuf_mask, ExternalAddress(StubRoutines::x86::counter_shuffle_mask_addr()), pos); // pos as scratch
4232 __ pshufb(xmm_curr_counter, xmm_counter_shuf_mask); //counter is shuffled
4233 __ movptr(pos, 0);
4234
4235 // Use the partially used encrpyted counter from last invocation
4236 __ BIND(L_preLoop_start);
4237 __ cmpptr(used, 16);
4238 __ jcc(Assembler::aboveEqual, L_exit_preLoop);
4239 __ cmpptr(len_reg, 0);
4240 __ jcc(Assembler::lessEqual, L_exit_preLoop);
4241 __ movb(rbx, Address(saved_encCounter_start, used));
4242 __ xorb(rbx, Address(from, pos));
4243 __ movb(Address(to, pos), rbx);
4244 __ addptr(pos, 1);
4245 __ addptr(used, 1);
4246 __ subptr(len_reg, 1);
4247
4248 __ jmp(L_preLoop_start);
4249
4250 __ BIND(L_exit_preLoop);
4251 __ movl(Address(used_addr, 0), used);
4252
4253 // key length could be only {11, 13, 15} * 4 = {44, 52, 60}
4254 __ movdqu(xmm_key_shuf_mask, ExternalAddress(StubRoutines::x86::key_shuffle_mask_addr()), rbx); // rbx as scratch
4255 __ movl(rbx, Address(key, arrayOopDesc::length_offset_in_bytes() - arrayOopDesc::base_offset_in_bytes(T_INT)));
4256 __ cmpl(rbx, 52);
4257 __ jcc(Assembler::equal, L_multiBlock_loopTop[1]);
4258 __ cmpl(rbx, 60);
4259 __ jcc(Assembler::equal, L_multiBlock_loopTop[2]);
4260
4261 #define CTR_DoSix(opc, src_reg) \
4262 __ opc(xmm_result0, src_reg); \
4263 __ opc(xmm_result1, src_reg); \
4264 __ opc(xmm_result2, src_reg); \
4265 __ opc(xmm_result3, src_reg); \
4266 __ opc(xmm_result4, src_reg); \
4267 __ opc(xmm_result5, src_reg);
4268
4269 // k == 0 : generate code for key_128
4270 // k == 1 : generate code for key_192
4271 // k == 2 : generate code for key_256
4272 for (int k = 0; k < 3; ++k) {
4273 //multi blocks starts here
4274 __ align(OptoLoopAlignment);
4275 __ BIND(L_multiBlock_loopTop[k]);
4276 __ cmpptr(len_reg, PARALLEL_FACTOR * AESBlockSize); // see if at least PARALLEL_FACTOR blocks left
4277 __ jcc(Assembler::less, L_singleBlockLoopTop[k]);
4278 load_key(xmm_key_tmp0, key, 0x00, xmm_key_shuf_mask);
4279
4280 //load, then increase counters
4281 CTR_DoSix(movdqa, xmm_curr_counter);
4282 inc_counter(rbx, xmm_result1, 0x01, L__incCounter[k][0]);
4283 inc_counter(rbx, xmm_result2, 0x02, L__incCounter[k][1]);
4284 inc_counter(rbx, xmm_result3, 0x03, L__incCounter[k][2]);
4285 inc_counter(rbx, xmm_result4, 0x04, L__incCounter[k][3]);
4286 inc_counter(rbx, xmm_result5, 0x05, L__incCounter[k][4]);
4287 inc_counter(rbx, xmm_curr_counter, 0x06, L__incCounter[k][5]);
4288 CTR_DoSix(pshufb, xmm_counter_shuf_mask); // after increased, shuffled counters back for PXOR
4289 CTR_DoSix(pxor, xmm_key_tmp0); //PXOR with Round 0 key
4290
4291 //load two ROUND_KEYs at a time
4292 for (int i = 1; i < rounds[k]; ) {
4293 load_key(xmm_key_tmp1, key, (0x10 * i), xmm_key_shuf_mask);
4294 load_key(xmm_key_tmp0, key, (0x10 * (i+1)), xmm_key_shuf_mask);
4295 CTR_DoSix(aesenc, xmm_key_tmp1);
4296 i++;
4297 if (i != rounds[k]) {
4298 CTR_DoSix(aesenc, xmm_key_tmp0);
4299 } else {
4300 CTR_DoSix(aesenclast, xmm_key_tmp0);
4301 }
4302 i++;
4303 }
4304
4305 // get next PARALLEL_FACTOR blocks into xmm_result registers
4306 __ movdqu(xmm_from0, Address(from, pos, Address::times_1, 0 * AESBlockSize));
4307 __ movdqu(xmm_from1, Address(from, pos, Address::times_1, 1 * AESBlockSize));
4308 __ movdqu(xmm_from2, Address(from, pos, Address::times_1, 2 * AESBlockSize));
4309 __ movdqu(xmm_from3, Address(from, pos, Address::times_1, 3 * AESBlockSize));
4310 __ movdqu(xmm_from4, Address(from, pos, Address::times_1, 4 * AESBlockSize));
4311 __ movdqu(xmm_from5, Address(from, pos, Address::times_1, 5 * AESBlockSize));
4312
4313 __ pxor(xmm_result0, xmm_from0);
4314 __ pxor(xmm_result1, xmm_from1);
4315 __ pxor(xmm_result2, xmm_from2);
4316 __ pxor(xmm_result3, xmm_from3);
4317 __ pxor(xmm_result4, xmm_from4);
4318 __ pxor(xmm_result5, xmm_from5);
4319
4320 // store 6 results into the next 64 bytes of output
4321 __ movdqu(Address(to, pos, Address::times_1, 0 * AESBlockSize), xmm_result0);
4322 __ movdqu(Address(to, pos, Address::times_1, 1 * AESBlockSize), xmm_result1);
4323 __ movdqu(Address(to, pos, Address::times_1, 2 * AESBlockSize), xmm_result2);
4324 __ movdqu(Address(to, pos, Address::times_1, 3 * AESBlockSize), xmm_result3);
4325 __ movdqu(Address(to, pos, Address::times_1, 4 * AESBlockSize), xmm_result4);
4326 __ movdqu(Address(to, pos, Address::times_1, 5 * AESBlockSize), xmm_result5);
4327
4328 __ addptr(pos, PARALLEL_FACTOR * AESBlockSize); // increase the length of crypt text
4329 __ subptr(len_reg, PARALLEL_FACTOR * AESBlockSize); // decrease the remaining length
4330 __ jmp(L_multiBlock_loopTop[k]);
4331
4332 // singleBlock starts here
4333 __ align(OptoLoopAlignment);
4334 __ BIND(L_singleBlockLoopTop[k]);
4335 __ cmpptr(len_reg, 0);
4336 __ jcc(Assembler::lessEqual, L_exit);
4337 load_key(xmm_key_tmp0, key, 0x00, xmm_key_shuf_mask);
4338 __ movdqa(xmm_result0, xmm_curr_counter);
4339 inc_counter(rbx, xmm_curr_counter, 0x01, L__incCounter_single[k]);
4340 __ pshufb(xmm_result0, xmm_counter_shuf_mask);
4341 __ pxor(xmm_result0, xmm_key_tmp0);
4342 for (int i = 1; i < rounds[k]; i++) {
4343 load_key(xmm_key_tmp0, key, (0x10 * i), xmm_key_shuf_mask);
4344 __ aesenc(xmm_result0, xmm_key_tmp0);
4345 }
4346 load_key(xmm_key_tmp0, key, (rounds[k] * 0x10), xmm_key_shuf_mask);
4347 __ aesenclast(xmm_result0, xmm_key_tmp0);
4348 __ cmpptr(len_reg, AESBlockSize);
4349 __ jcc(Assembler::less, L_processTail_insr[k]);
4350 __ movdqu(xmm_from0, Address(from, pos, Address::times_1, 0 * AESBlockSize));
4351 __ pxor(xmm_result0, xmm_from0);
4352 __ movdqu(Address(to, pos, Address::times_1, 0 * AESBlockSize), xmm_result0);
4353 __ addptr(pos, AESBlockSize);
4354 __ subptr(len_reg, AESBlockSize);
4355 __ jmp(L_singleBlockLoopTop[k]);
4356 __ BIND(L_processTail_insr[k]); // Process the tail part of the input array
4357 __ addptr(pos, len_reg); // 1. Insert bytes from src array into xmm_from0 register
4358 __ testptr(len_reg, 8);
4359 __ jcc(Assembler::zero, L_processTail_4_insr[k]);
4360 __ subptr(pos,8);
4361 __ pinsrq(xmm_from0, Address(from, pos), 0);
4362 __ BIND(L_processTail_4_insr[k]);
4363 __ testptr(len_reg, 4);
4364 __ jcc(Assembler::zero, L_processTail_2_insr[k]);
4365 __ subptr(pos,4);
4366 __ pslldq(xmm_from0, 4);
4367 __ pinsrd(xmm_from0, Address(from, pos), 0);
4368 __ BIND(L_processTail_2_insr[k]);
4369 __ testptr(len_reg, 2);
4370 __ jcc(Assembler::zero, L_processTail_1_insr[k]);
4371 __ subptr(pos, 2);
4372 __ pslldq(xmm_from0, 2);
4373 __ pinsrw(xmm_from0, Address(from, pos), 0);
4374 __ BIND(L_processTail_1_insr[k]);
4375 __ testptr(len_reg, 1);
4376 __ jcc(Assembler::zero, L_processTail_exit_insr[k]);
4377 __ subptr(pos, 1);
4378 __ pslldq(xmm_from0, 1);
4379 __ pinsrb(xmm_from0, Address(from, pos), 0);
4380 __ BIND(L_processTail_exit_insr[k]);
4381
4382 __ movdqu(Address(saved_encCounter_start, 0), xmm_result0); // 2. Perform pxor of the encrypted counter and plaintext Bytes.
4383 __ pxor(xmm_result0, xmm_from0); // Also the encrypted counter is saved for next invocation.
4384
4385 __ testptr(len_reg, 8);
4386 __ jcc(Assembler::zero, L_processTail_4_extr[k]); // 3. Extract bytes from xmm_result0 into the dest. array
4387 __ pextrq(Address(to, pos), xmm_result0, 0);
4388 __ psrldq(xmm_result0, 8);
4389 __ addptr(pos, 8);
4390 __ BIND(L_processTail_4_extr[k]);
4391 __ testptr(len_reg, 4);
4392 __ jcc(Assembler::zero, L_processTail_2_extr[k]);
4393 __ pextrd(Address(to, pos), xmm_result0, 0);
4394 __ psrldq(xmm_result0, 4);
4395 __ addptr(pos, 4);
4396 __ BIND(L_processTail_2_extr[k]);
4397 __ testptr(len_reg, 2);
4398 __ jcc(Assembler::zero, L_processTail_1_extr[k]);
4399 __ pextrw(Address(to, pos), xmm_result0, 0);
4400 __ psrldq(xmm_result0, 2);
4401 __ addptr(pos, 2);
4402 __ BIND(L_processTail_1_extr[k]);
4403 __ testptr(len_reg, 1);
4404 __ jcc(Assembler::zero, L_processTail_exit_extr[k]);
4405 __ pextrb(Address(to, pos), xmm_result0, 0);
4406
4407 __ BIND(L_processTail_exit_extr[k]);
4408 __ movl(Address(used_addr, 0), len_reg);
4409 __ jmp(L_exit);
4410
4411 }
4412
4413 __ BIND(L_exit);
4414 __ pshufb(xmm_curr_counter, xmm_counter_shuf_mask); //counter is shuffled back.
4415 __ movdqu(Address(counter, 0), xmm_curr_counter); //save counter back
4416 __ pop(rbx); // pop the saved RBX.
4417 #ifdef _WIN64
4418 __ movl(rax, len_mem);
4419 __ movptr(r13, Address(rsp, saved_r13_offset * wordSize));
4420 __ movptr(r14, Address(rsp, saved_r14_offset * wordSize));
4421 __ addptr(rsp, 2 * wordSize);
4422 #else
4423 __ pop(rax); // return 'len'
4424 #endif
4425 __ leave(); // required for proper stackwalking of RuntimeStub frame
4426 __ ret(0);
4427 return start;
4428 }
4429
4430 void roundDec(XMMRegister xmm_reg) {
4431 __ vaesdec(xmm1, xmm1, xmm_reg, Assembler::AVX_512bit);
4432 __ vaesdec(xmm2, xmm2, xmm_reg, Assembler::AVX_512bit);
4433 __ vaesdec(xmm3, xmm3, xmm_reg, Assembler::AVX_512bit);
4434 __ vaesdec(xmm4, xmm4, xmm_reg, Assembler::AVX_512bit);
4435 __ vaesdec(xmm5, xmm5, xmm_reg, Assembler::AVX_512bit);
4436 __ vaesdec(xmm6, xmm6, xmm_reg, Assembler::AVX_512bit);
4437 __ vaesdec(xmm7, xmm7, xmm_reg, Assembler::AVX_512bit);
4438 __ vaesdec(xmm8, xmm8, xmm_reg, Assembler::AVX_512bit);
4439 }
4440
4441 void roundDeclast(XMMRegister xmm_reg) {
4442 __ vaesdeclast(xmm1, xmm1, xmm_reg, Assembler::AVX_512bit);
4443 __ vaesdeclast(xmm2, xmm2, xmm_reg, Assembler::AVX_512bit);
4444 __ vaesdeclast(xmm3, xmm3, xmm_reg, Assembler::AVX_512bit);
4445 __ vaesdeclast(xmm4, xmm4, xmm_reg, Assembler::AVX_512bit);
4446 __ vaesdeclast(xmm5, xmm5, xmm_reg, Assembler::AVX_512bit);
4447 __ vaesdeclast(xmm6, xmm6, xmm_reg, Assembler::AVX_512bit);
4448 __ vaesdeclast(xmm7, xmm7, xmm_reg, Assembler::AVX_512bit);
4449 __ vaesdeclast(xmm8, xmm8, xmm_reg, Assembler::AVX_512bit);
4450 }
4451
4452 void ev_load_key(XMMRegister xmmdst, Register key, int offset, XMMRegister xmm_shuf_mask = NULL) {
4453 __ movdqu(xmmdst, Address(key, offset));
4454 if (xmm_shuf_mask != NULL) {
4455 __ pshufb(xmmdst, xmm_shuf_mask);
4456 } else {
4457 __ pshufb(xmmdst, ExternalAddress(StubRoutines::x86::key_shuffle_mask_addr()));
4458 }
4459 __ evshufi64x2(xmmdst, xmmdst, xmmdst, 0x0, Assembler::AVX_512bit);
4460
4461 }
4462
4463 address generate_cipherBlockChaining_decryptVectorAESCrypt() {
4464 assert(VM_Version::supports_vaes(), "need AES instructions and misaligned SSE support");
4465 __ align(CodeEntryAlignment);
4466 StubCodeMark mark(this, "StubRoutines", "cipherBlockChaining_decryptAESCrypt");
4467 address start = __ pc();
4468
4469 const Register from = c_rarg0; // source array address
4470 const Register to = c_rarg1; // destination array address
4471 const Register key = c_rarg2; // key array address
4472 const Register rvec = c_rarg3; // r byte array initialized from initvector array address
4473 // and left with the results of the last encryption block
4474 #ifndef _WIN64
4475 const Register len_reg = c_rarg4; // src len (must be multiple of blocksize 16)
4476 #else
4477 const Address len_mem(rbp, 6 * wordSize); // length is on stack on Win64
4478 const Register len_reg = r11; // pick the volatile windows register
4479 #endif
4480
4481 Label Loop, Loop1, L_128, L_256, L_192, KEY_192, KEY_256, Loop2, Lcbc_dec_rem_loop,
4482 Lcbc_dec_rem_last, Lcbc_dec_ret, Lcbc_dec_rem, Lcbc_exit;
4483
4484 __ enter();
4485
4486 #ifdef _WIN64
4487 // on win64, fill len_reg from stack position
4488 __ movl(len_reg, len_mem);
4489 #else
4490 __ push(len_reg); // Save
4491 #endif
4492 __ push(rbx);
4493 __ vzeroupper();
4494
4495 // Temporary variable declaration for swapping key bytes
4496 const XMMRegister xmm_key_shuf_mask = xmm1;
4497 __ movdqu(xmm_key_shuf_mask, ExternalAddress(StubRoutines::x86::key_shuffle_mask_addr()));
4498
4499 // Calculate number of rounds from key size: 44 for 10-rounds, 52 for 12-rounds, 60 for 14-rounds
4500 const Register rounds = rbx;
4501 __ movl(rounds, Address(key, arrayOopDesc::length_offset_in_bytes() - arrayOopDesc::base_offset_in_bytes(T_INT)));
4502
4503 const XMMRegister IV = xmm0;
4504 // Load IV and broadcast value to 512-bits
4505 __ evbroadcasti64x2(IV, Address(rvec, 0), Assembler::AVX_512bit);
4506
4507 // Temporary variables for storing round keys
4508 const XMMRegister RK0 = xmm30;
4509 const XMMRegister RK1 = xmm9;
4510 const XMMRegister RK2 = xmm18;
4511 const XMMRegister RK3 = xmm19;
4512 const XMMRegister RK4 = xmm20;
4513 const XMMRegister RK5 = xmm21;
4514 const XMMRegister RK6 = xmm22;
4515 const XMMRegister RK7 = xmm23;
4516 const XMMRegister RK8 = xmm24;
4517 const XMMRegister RK9 = xmm25;
4518 const XMMRegister RK10 = xmm26;
4519
4520 // Load and shuffle key
4521 // the java expanded key ordering is rotated one position from what we want
4522 // so we start from 1*16 here and hit 0*16 last
4523 ev_load_key(RK1, key, 1 * 16, xmm_key_shuf_mask);
4524 ev_load_key(RK2, key, 2 * 16, xmm_key_shuf_mask);
4525 ev_load_key(RK3, key, 3 * 16, xmm_key_shuf_mask);
4526 ev_load_key(RK4, key, 4 * 16, xmm_key_shuf_mask);
4527 ev_load_key(RK5, key, 5 * 16, xmm_key_shuf_mask);
4528 ev_load_key(RK6, key, 6 * 16, xmm_key_shuf_mask);
4529 ev_load_key(RK7, key, 7 * 16, xmm_key_shuf_mask);
4530 ev_load_key(RK8, key, 8 * 16, xmm_key_shuf_mask);
4531 ev_load_key(RK9, key, 9 * 16, xmm_key_shuf_mask);
4532 ev_load_key(RK10, key, 10 * 16, xmm_key_shuf_mask);
4533 ev_load_key(RK0, key, 0*16, xmm_key_shuf_mask);
4534
4535 // Variables for storing source cipher text
4536 const XMMRegister S0 = xmm10;
4537 const XMMRegister S1 = xmm11;
4538 const XMMRegister S2 = xmm12;
4539 const XMMRegister S3 = xmm13;
4540 const XMMRegister S4 = xmm14;
4541 const XMMRegister S5 = xmm15;
4542 const XMMRegister S6 = xmm16;
4543 const XMMRegister S7 = xmm17;
4544
4545 // Variables for storing decrypted text
4546 const XMMRegister B0 = xmm1;
4547 const XMMRegister B1 = xmm2;
4548 const XMMRegister B2 = xmm3;
4549 const XMMRegister B3 = xmm4;
4550 const XMMRegister B4 = xmm5;
4551 const XMMRegister B5 = xmm6;
4552 const XMMRegister B6 = xmm7;
4553 const XMMRegister B7 = xmm8;
4554
4555 __ cmpl(rounds, 44);
4556 __ jcc(Assembler::greater, KEY_192);
4557 __ jmp(Loop);
4558
4559 __ BIND(KEY_192);
4560 const XMMRegister RK11 = xmm27;
4561 const XMMRegister RK12 = xmm28;
4562 ev_load_key(RK11, key, 11*16, xmm_key_shuf_mask);
4563 ev_load_key(RK12, key, 12*16, xmm_key_shuf_mask);
4564
4565 __ cmpl(rounds, 52);
4566 __ jcc(Assembler::greater, KEY_256);
4567 __ jmp(Loop);
4568
4569 __ BIND(KEY_256);
4570 const XMMRegister RK13 = xmm29;
4571 const XMMRegister RK14 = xmm31;
4572 ev_load_key(RK13, key, 13*16, xmm_key_shuf_mask);
4573 ev_load_key(RK14, key, 14*16, xmm_key_shuf_mask);
4574
4575 __ BIND(Loop);
4576 __ cmpl(len_reg, 512);
4577 __ jcc(Assembler::below, Lcbc_dec_rem);
4578 __ BIND(Loop1);
4579 __ subl(len_reg, 512);
4580 __ evmovdquq(S0, Address(from, 0 * 64), Assembler::AVX_512bit);
4581 __ evmovdquq(S1, Address(from, 1 * 64), Assembler::AVX_512bit);
4582 __ evmovdquq(S2, Address(from, 2 * 64), Assembler::AVX_512bit);
4583 __ evmovdquq(S3, Address(from, 3 * 64), Assembler::AVX_512bit);
4584 __ evmovdquq(S4, Address(from, 4 * 64), Assembler::AVX_512bit);
4585 __ evmovdquq(S5, Address(from, 5 * 64), Assembler::AVX_512bit);
4586 __ evmovdquq(S6, Address(from, 6 * 64), Assembler::AVX_512bit);
4587 __ evmovdquq(S7, Address(from, 7 * 64), Assembler::AVX_512bit);
4588 __ leaq(from, Address(from, 8 * 64));
4589
4590 __ evpxorq(B0, S0, RK1, Assembler::AVX_512bit);
4591 __ evpxorq(B1, S1, RK1, Assembler::AVX_512bit);
4592 __ evpxorq(B2, S2, RK1, Assembler::AVX_512bit);
4593 __ evpxorq(B3, S3, RK1, Assembler::AVX_512bit);
4594 __ evpxorq(B4, S4, RK1, Assembler::AVX_512bit);
4595 __ evpxorq(B5, S5, RK1, Assembler::AVX_512bit);
4596 __ evpxorq(B6, S6, RK1, Assembler::AVX_512bit);
4597 __ evpxorq(B7, S7, RK1, Assembler::AVX_512bit);
4598
4599 __ evalignq(IV, S0, IV, 0x06);
4600 __ evalignq(S0, S1, S0, 0x06);
4601 __ evalignq(S1, S2, S1, 0x06);
4602 __ evalignq(S2, S3, S2, 0x06);
4603 __ evalignq(S3, S4, S3, 0x06);
4604 __ evalignq(S4, S5, S4, 0x06);
4605 __ evalignq(S5, S6, S5, 0x06);
4606 __ evalignq(S6, S7, S6, 0x06);
4607
4608 roundDec(RK2);
4609 roundDec(RK3);
4610 roundDec(RK4);
4611 roundDec(RK5);
4612 roundDec(RK6);
4613 roundDec(RK7);
4614 roundDec(RK8);
4615 roundDec(RK9);
4616 roundDec(RK10);
4617
4618 __ cmpl(rounds, 44);
4619 __ jcc(Assembler::belowEqual, L_128);
4620 roundDec(RK11);
4621 roundDec(RK12);
4622
4623 __ cmpl(rounds, 52);
4624 __ jcc(Assembler::belowEqual, L_192);
4625 roundDec(RK13);
4626 roundDec(RK14);
4627
4628 __ BIND(L_256);
4629 roundDeclast(RK0);
4630 __ jmp(Loop2);
4631
4632 __ BIND(L_128);
4633 roundDeclast(RK0);
4634 __ jmp(Loop2);
4635
4636 __ BIND(L_192);
4637 roundDeclast(RK0);
4638
4639 __ BIND(Loop2);
4640 __ evpxorq(B0, B0, IV, Assembler::AVX_512bit);
4641 __ evpxorq(B1, B1, S0, Assembler::AVX_512bit);
4642 __ evpxorq(B2, B2, S1, Assembler::AVX_512bit);
4643 __ evpxorq(B3, B3, S2, Assembler::AVX_512bit);
4644 __ evpxorq(B4, B4, S3, Assembler::AVX_512bit);
4645 __ evpxorq(B5, B5, S4, Assembler::AVX_512bit);
4646 __ evpxorq(B6, B6, S5, Assembler::AVX_512bit);
4647 __ evpxorq(B7, B7, S6, Assembler::AVX_512bit);
4648 __ evmovdquq(IV, S7, Assembler::AVX_512bit);
4649
4650 __ evmovdquq(Address(to, 0 * 64), B0, Assembler::AVX_512bit);
4651 __ evmovdquq(Address(to, 1 * 64), B1, Assembler::AVX_512bit);
4652 __ evmovdquq(Address(to, 2 * 64), B2, Assembler::AVX_512bit);
4653 __ evmovdquq(Address(to, 3 * 64), B3, Assembler::AVX_512bit);
4654 __ evmovdquq(Address(to, 4 * 64), B4, Assembler::AVX_512bit);
4655 __ evmovdquq(Address(to, 5 * 64), B5, Assembler::AVX_512bit);
4656 __ evmovdquq(Address(to, 6 * 64), B6, Assembler::AVX_512bit);
4657 __ evmovdquq(Address(to, 7 * 64), B7, Assembler::AVX_512bit);
4658 __ leaq(to, Address(to, 8 * 64));
4659 __ jmp(Loop);
4660
4661 __ BIND(Lcbc_dec_rem);
4662 __ evshufi64x2(IV, IV, IV, 0x03, Assembler::AVX_512bit);
4663
4664 __ BIND(Lcbc_dec_rem_loop);
4665 __ subl(len_reg, 16);
4666 __ jcc(Assembler::carrySet, Lcbc_dec_ret);
4667
4668 __ movdqu(S0, Address(from, 0));
4669 __ evpxorq(B0, S0, RK1, Assembler::AVX_512bit);
4670 __ vaesdec(B0, B0, RK2, Assembler::AVX_512bit);
4671 __ vaesdec(B0, B0, RK3, Assembler::AVX_512bit);
4672 __ vaesdec(B0, B0, RK4, Assembler::AVX_512bit);
4673 __ vaesdec(B0, B0, RK5, Assembler::AVX_512bit);
4674 __ vaesdec(B0, B0, RK6, Assembler::AVX_512bit);
4675 __ vaesdec(B0, B0, RK7, Assembler::AVX_512bit);
4676 __ vaesdec(B0, B0, RK8, Assembler::AVX_512bit);
4677 __ vaesdec(B0, B0, RK9, Assembler::AVX_512bit);
4678 __ vaesdec(B0, B0, RK10, Assembler::AVX_512bit);
4679 __ cmpl(rounds, 44);
4680 __ jcc(Assembler::belowEqual, Lcbc_dec_rem_last);
4681
4682 __ vaesdec(B0, B0, RK11, Assembler::AVX_512bit);
4683 __ vaesdec(B0, B0, RK12, Assembler::AVX_512bit);
4684 __ cmpl(rounds, 52);
4685 __ jcc(Assembler::belowEqual, Lcbc_dec_rem_last);
4686
4687 __ vaesdec(B0, B0, RK13, Assembler::AVX_512bit);
4688 __ vaesdec(B0, B0, RK14, Assembler::AVX_512bit);
4689
4690 __ BIND(Lcbc_dec_rem_last);
4691 __ vaesdeclast(B0, B0, RK0, Assembler::AVX_512bit);
4692
4693 __ evpxorq(B0, B0, IV, Assembler::AVX_512bit);
4694 __ evmovdquq(IV, S0, Assembler::AVX_512bit);
4695 __ movdqu(Address(to, 0), B0);
4696 __ leaq(from, Address(from, 16));
4697 __ leaq(to, Address(to, 16));
4698 __ jmp(Lcbc_dec_rem_loop);
4699
4700 __ BIND(Lcbc_dec_ret);
4701 __ movdqu(Address(rvec, 0), IV);
4702
4703 // Zero out the round keys
4704 __ evpxorq(RK0, RK0, RK0, Assembler::AVX_512bit);
4705 __ evpxorq(RK1, RK1, RK1, Assembler::AVX_512bit);
4706 __ evpxorq(RK2, RK2, RK2, Assembler::AVX_512bit);
4707 __ evpxorq(RK3, RK3, RK3, Assembler::AVX_512bit);
4708 __ evpxorq(RK4, RK4, RK4, Assembler::AVX_512bit);
4709 __ evpxorq(RK5, RK5, RK5, Assembler::AVX_512bit);
4710 __ evpxorq(RK6, RK6, RK6, Assembler::AVX_512bit);
4711 __ evpxorq(RK7, RK7, RK7, Assembler::AVX_512bit);
4712 __ evpxorq(RK8, RK8, RK8, Assembler::AVX_512bit);
4713 __ evpxorq(RK9, RK9, RK9, Assembler::AVX_512bit);
4714 __ evpxorq(RK10, RK10, RK10, Assembler::AVX_512bit);
4715 __ cmpl(rounds, 44);
4716 __ jcc(Assembler::belowEqual, Lcbc_exit);
4717 __ evpxorq(RK11, RK11, RK11, Assembler::AVX_512bit);
4718 __ evpxorq(RK12, RK12, RK12, Assembler::AVX_512bit);
4719 __ cmpl(rounds, 52);
4720 __ jcc(Assembler::belowEqual, Lcbc_exit);
4721 __ evpxorq(RK13, RK13, RK13, Assembler::AVX_512bit);
4722 __ evpxorq(RK14, RK14, RK14, Assembler::AVX_512bit);
4723
4724 __ BIND(Lcbc_exit);
4725 __ pop(rbx);
4726 #ifdef _WIN64
4727 __ movl(rax, len_mem);
4728 #else
4729 __ pop(rax); // return length
4730 #endif
4731 __ leave(); // required for proper stackwalking of RuntimeStub frame
4732 __ ret(0);
4733 return start;
4734 }
4735
4736 // Polynomial x^128+x^127+x^126+x^121+1
4737 address ghash_polynomial_addr() {
4738 __ align(CodeEntryAlignment);
4739 StubCodeMark mark(this, "StubRoutines", "_ghash_poly_addr");
4740 address start = __ pc();
4741 __ emit_data64(0x0000000000000001, relocInfo::none);
4742 __ emit_data64(0xc200000000000000, relocInfo::none);
4743 return start;
4744 }
4745
4746 address ghash_shufflemask_addr() {
4747 __ align(CodeEntryAlignment);
4748 StubCodeMark mark(this, "StubRoutines", "_ghash_shuffmask_addr");
4749 address start = __ pc();
4750 __ emit_data64(0x0f0f0f0f0f0f0f0f, relocInfo::none);
4751 __ emit_data64(0x0f0f0f0f0f0f0f0f, relocInfo::none);
4752 return start;
4753 }
4754
4755 // Ghash single and multi block operations using AVX instructions
4756 address generate_avx_ghash_processBlocks() {
4757 __ align(CodeEntryAlignment);
4758
4759 StubCodeMark mark(this, "StubRoutines", "ghash_processBlocks");
4760 address start = __ pc();
4761
4762 // arguments
4763 const Register state = c_rarg0;
4764 const Register htbl = c_rarg1;
4765 const Register data = c_rarg2;
4766 const Register blocks = c_rarg3;
4767 __ enter();
4768 // Save state before entering routine
4769 __ avx_ghash(state, htbl, data, blocks);
4770 __ leave(); // required for proper stackwalking of RuntimeStub frame
4771 __ ret(0);
4772 return start;
4773 }
4774
4775 // byte swap x86 long
4776 address generate_ghash_long_swap_mask() {
4777 __ align(CodeEntryAlignment);
4778 StubCodeMark mark(this, "StubRoutines", "ghash_long_swap_mask");
4779 address start = __ pc();
4780 __ emit_data64(0x0f0e0d0c0b0a0908, relocInfo::none );
4781 __ emit_data64(0x0706050403020100, relocInfo::none );
4782 return start;
4783 }
4784
4785 // byte swap x86 byte array
4786 address generate_ghash_byte_swap_mask() {
4787 __ align(CodeEntryAlignment);
4788 StubCodeMark mark(this, "StubRoutines", "ghash_byte_swap_mask");
4789 address start = __ pc();
4790 __ emit_data64(0x08090a0b0c0d0e0f, relocInfo::none );
4791 __ emit_data64(0x0001020304050607, relocInfo::none );
4792 return start;
4793 }
4794
4795 /* Single and multi-block ghash operations */
4796 address generate_ghash_processBlocks() {
4797 __ align(CodeEntryAlignment);
4798 Label L_ghash_loop, L_exit;
4799 StubCodeMark mark(this, "StubRoutines", "ghash_processBlocks");
4800 address start = __ pc();
4801
4802 const Register state = c_rarg0;
4803 const Register subkeyH = c_rarg1;
4804 const Register data = c_rarg2;
4805 const Register blocks = c_rarg3;
4806
4807 const XMMRegister xmm_temp0 = xmm0;
4808 const XMMRegister xmm_temp1 = xmm1;
4809 const XMMRegister xmm_temp2 = xmm2;
4810 const XMMRegister xmm_temp3 = xmm3;
4811 const XMMRegister xmm_temp4 = xmm4;
4812 const XMMRegister xmm_temp5 = xmm5;
4813 const XMMRegister xmm_temp6 = xmm6;
4814 const XMMRegister xmm_temp7 = xmm7;
4815 const XMMRegister xmm_temp8 = xmm8;
4816 const XMMRegister xmm_temp9 = xmm9;
4817 const XMMRegister xmm_temp10 = xmm10;
4818
4819 __ enter();
4820
4821 __ movdqu(xmm_temp10, ExternalAddress(StubRoutines::x86::ghash_long_swap_mask_addr()));
4822
4823 __ movdqu(xmm_temp0, Address(state, 0));
4824 __ pshufb(xmm_temp0, xmm_temp10);
4825
4826
4827 __ BIND(L_ghash_loop);
4828 __ movdqu(xmm_temp2, Address(data, 0));
4829 __ pshufb(xmm_temp2, ExternalAddress(StubRoutines::x86::ghash_byte_swap_mask_addr()));
4830
4831 __ movdqu(xmm_temp1, Address(subkeyH, 0));
4832 __ pshufb(xmm_temp1, xmm_temp10);
4833
4834 __ pxor(xmm_temp0, xmm_temp2);
4835
4836 //
4837 // Multiply with the hash key
4838 //
4839 __ movdqu(xmm_temp3, xmm_temp0);
4840 __ pclmulqdq(xmm_temp3, xmm_temp1, 0); // xmm3 holds a0*b0
4841 __ movdqu(xmm_temp4, xmm_temp0);
4842 __ pclmulqdq(xmm_temp4, xmm_temp1, 16); // xmm4 holds a0*b1
4843
4844 __ movdqu(xmm_temp5, xmm_temp0);
4845 __ pclmulqdq(xmm_temp5, xmm_temp1, 1); // xmm5 holds a1*b0
4846 __ movdqu(xmm_temp6, xmm_temp0);
4847 __ pclmulqdq(xmm_temp6, xmm_temp1, 17); // xmm6 holds a1*b1
4848
4849 __ pxor(xmm_temp4, xmm_temp5); // xmm4 holds a0*b1 + a1*b0
4850
4851 __ movdqu(xmm_temp5, xmm_temp4); // move the contents of xmm4 to xmm5
4852 __ psrldq(xmm_temp4, 8); // shift by xmm4 64 bits to the right
4853 __ pslldq(xmm_temp5, 8); // shift by xmm5 64 bits to the left
4854 __ pxor(xmm_temp3, xmm_temp5);
4855 __ pxor(xmm_temp6, xmm_temp4); // Register pair <xmm6:xmm3> holds the result
4856 // of the carry-less multiplication of
4857 // xmm0 by xmm1.
4858
4859 // We shift the result of the multiplication by one bit position
4860 // to the left to cope for the fact that the bits are reversed.
4861 __ movdqu(xmm_temp7, xmm_temp3);
4862 __ movdqu(xmm_temp8, xmm_temp6);
4863 __ pslld(xmm_temp3, 1);
4864 __ pslld(xmm_temp6, 1);
4865 __ psrld(xmm_temp7, 31);
4866 __ psrld(xmm_temp8, 31);
4867 __ movdqu(xmm_temp9, xmm_temp7);
4868 __ pslldq(xmm_temp8, 4);
4869 __ pslldq(xmm_temp7, 4);
4870 __ psrldq(xmm_temp9, 12);
4871 __ por(xmm_temp3, xmm_temp7);
4872 __ por(xmm_temp6, xmm_temp8);
4873 __ por(xmm_temp6, xmm_temp9);
4874
4875 //
4876 // First phase of the reduction
4877 //
4878 // Move xmm3 into xmm7, xmm8, xmm9 in order to perform the shifts
4879 // independently.
4880 __ movdqu(xmm_temp7, xmm_temp3);
4881 __ movdqu(xmm_temp8, xmm_temp3);
4882 __ movdqu(xmm_temp9, xmm_temp3);
4883 __ pslld(xmm_temp7, 31); // packed right shift shifting << 31
4884 __ pslld(xmm_temp8, 30); // packed right shift shifting << 30
4885 __ pslld(xmm_temp9, 25); // packed right shift shifting << 25
4886 __ pxor(xmm_temp7, xmm_temp8); // xor the shifted versions
4887 __ pxor(xmm_temp7, xmm_temp9);
4888 __ movdqu(xmm_temp8, xmm_temp7);
4889 __ pslldq(xmm_temp7, 12);
4890 __ psrldq(xmm_temp8, 4);
4891 __ pxor(xmm_temp3, xmm_temp7); // first phase of the reduction complete
4892
4893 //
4894 // Second phase of the reduction
4895 //
4896 // Make 3 copies of xmm3 in xmm2, xmm4, xmm5 for doing these
4897 // shift operations.
4898 __ movdqu(xmm_temp2, xmm_temp3);
4899 __ movdqu(xmm_temp4, xmm_temp3);
4900 __ movdqu(xmm_temp5, xmm_temp3);
4901 __ psrld(xmm_temp2, 1); // packed left shifting >> 1
4902 __ psrld(xmm_temp4, 2); // packed left shifting >> 2
4903 __ psrld(xmm_temp5, 7); // packed left shifting >> 7
4904 __ pxor(xmm_temp2, xmm_temp4); // xor the shifted versions
4905 __ pxor(xmm_temp2, xmm_temp5);
4906 __ pxor(xmm_temp2, xmm_temp8);
4907 __ pxor(xmm_temp3, xmm_temp2);
4908 __ pxor(xmm_temp6, xmm_temp3); // the result is in xmm6
4909
4910 __ decrement(blocks);
4911 __ jcc(Assembler::zero, L_exit);
4912 __ movdqu(xmm_temp0, xmm_temp6);
4913 __ addptr(data, 16);
4914 __ jmp(L_ghash_loop);
4915
4916 __ BIND(L_exit);
4917 __ pshufb(xmm_temp6, xmm_temp10); // Byte swap 16-byte result
4918 __ movdqu(Address(state, 0), xmm_temp6); // store the result
4919 __ leave();
4920 __ ret(0);
4921 return start;
4922 }
4923
4924 //base64 character set
4925 address base64_charset_addr() {
4926 __ align(CodeEntryAlignment);
4927 StubCodeMark mark(this, "StubRoutines", "base64_charset");
4928 address start = __ pc();
4929 __ emit_data64(0x0000004200000041, relocInfo::none);
4930 __ emit_data64(0x0000004400000043, relocInfo::none);
4931 __ emit_data64(0x0000004600000045, relocInfo::none);
4932 __ emit_data64(0x0000004800000047, relocInfo::none);
4933 __ emit_data64(0x0000004a00000049, relocInfo::none);
4934 __ emit_data64(0x0000004c0000004b, relocInfo::none);
4935 __ emit_data64(0x0000004e0000004d, relocInfo::none);
4936 __ emit_data64(0x000000500000004f, relocInfo::none);
4937 __ emit_data64(0x0000005200000051, relocInfo::none);
4938 __ emit_data64(0x0000005400000053, relocInfo::none);
4939 __ emit_data64(0x0000005600000055, relocInfo::none);
4940 __ emit_data64(0x0000005800000057, relocInfo::none);
4941 __ emit_data64(0x0000005a00000059, relocInfo::none);
4942 __ emit_data64(0x0000006200000061, relocInfo::none);
4943 __ emit_data64(0x0000006400000063, relocInfo::none);
4944 __ emit_data64(0x0000006600000065, relocInfo::none);
4945 __ emit_data64(0x0000006800000067, relocInfo::none);
4946 __ emit_data64(0x0000006a00000069, relocInfo::none);
4947 __ emit_data64(0x0000006c0000006b, relocInfo::none);
4948 __ emit_data64(0x0000006e0000006d, relocInfo::none);
4949 __ emit_data64(0x000000700000006f, relocInfo::none);
4950 __ emit_data64(0x0000007200000071, relocInfo::none);
4951 __ emit_data64(0x0000007400000073, relocInfo::none);
4952 __ emit_data64(0x0000007600000075, relocInfo::none);
4953 __ emit_data64(0x0000007800000077, relocInfo::none);
4954 __ emit_data64(0x0000007a00000079, relocInfo::none);
4955 __ emit_data64(0x0000003100000030, relocInfo::none);
4956 __ emit_data64(0x0000003300000032, relocInfo::none);
4957 __ emit_data64(0x0000003500000034, relocInfo::none);
4958 __ emit_data64(0x0000003700000036, relocInfo::none);
4959 __ emit_data64(0x0000003900000038, relocInfo::none);
4960 __ emit_data64(0x0000002f0000002b, relocInfo::none);
4961 return start;
4962 }
4963
4964 //base64 url character set
4965 address base64url_charset_addr() {
4966 __ align(CodeEntryAlignment);
4967 StubCodeMark mark(this, "StubRoutines", "base64url_charset");
4968 address start = __ pc();
4969 __ emit_data64(0x0000004200000041, relocInfo::none);
4970 __ emit_data64(0x0000004400000043, relocInfo::none);
4971 __ emit_data64(0x0000004600000045, relocInfo::none);
4972 __ emit_data64(0x0000004800000047, relocInfo::none);
4973 __ emit_data64(0x0000004a00000049, relocInfo::none);
4974 __ emit_data64(0x0000004c0000004b, relocInfo::none);
4975 __ emit_data64(0x0000004e0000004d, relocInfo::none);
4976 __ emit_data64(0x000000500000004f, relocInfo::none);
4977 __ emit_data64(0x0000005200000051, relocInfo::none);
4978 __ emit_data64(0x0000005400000053, relocInfo::none);
4979 __ emit_data64(0x0000005600000055, relocInfo::none);
4980 __ emit_data64(0x0000005800000057, relocInfo::none);
4981 __ emit_data64(0x0000005a00000059, relocInfo::none);
4982 __ emit_data64(0x0000006200000061, relocInfo::none);
4983 __ emit_data64(0x0000006400000063, relocInfo::none);
4984 __ emit_data64(0x0000006600000065, relocInfo::none);
4985 __ emit_data64(0x0000006800000067, relocInfo::none);
4986 __ emit_data64(0x0000006a00000069, relocInfo::none);
4987 __ emit_data64(0x0000006c0000006b, relocInfo::none);
4988 __ emit_data64(0x0000006e0000006d, relocInfo::none);
4989 __ emit_data64(0x000000700000006f, relocInfo::none);
4990 __ emit_data64(0x0000007200000071, relocInfo::none);
4991 __ emit_data64(0x0000007400000073, relocInfo::none);
4992 __ emit_data64(0x0000007600000075, relocInfo::none);
4993 __ emit_data64(0x0000007800000077, relocInfo::none);
4994 __ emit_data64(0x0000007a00000079, relocInfo::none);
4995 __ emit_data64(0x0000003100000030, relocInfo::none);
4996 __ emit_data64(0x0000003300000032, relocInfo::none);
4997 __ emit_data64(0x0000003500000034, relocInfo::none);
4998 __ emit_data64(0x0000003700000036, relocInfo::none);
4999 __ emit_data64(0x0000003900000038, relocInfo::none);
5000 __ emit_data64(0x0000005f0000002d, relocInfo::none);
5001
5002 return start;
5003 }
5004
5005 address base64_bswap_mask_addr() {
5006 __ align(CodeEntryAlignment);
5007 StubCodeMark mark(this, "StubRoutines", "bswap_mask_base64");
5008 address start = __ pc();
5009 __ emit_data64(0x0504038002010080, relocInfo::none);
5010 __ emit_data64(0x0b0a098008070680, relocInfo::none);
5011 __ emit_data64(0x0908078006050480, relocInfo::none);
5012 __ emit_data64(0x0f0e0d800c0b0a80, relocInfo::none);
5013 __ emit_data64(0x0605048003020180, relocInfo::none);
5014 __ emit_data64(0x0c0b0a8009080780, relocInfo::none);
5015 __ emit_data64(0x0504038002010080, relocInfo::none);
5016 __ emit_data64(0x0b0a098008070680, relocInfo::none);
5017
5018 return start;
5019 }
5020
5021 address base64_right_shift_mask_addr() {
5022 __ align(CodeEntryAlignment);
5023 StubCodeMark mark(this, "StubRoutines", "right_shift_mask");
5024 address start = __ pc();
5025 __ emit_data64(0x0006000400020000, relocInfo::none);
5026 __ emit_data64(0x0006000400020000, relocInfo::none);
5027 __ emit_data64(0x0006000400020000, relocInfo::none);
5028 __ emit_data64(0x0006000400020000, relocInfo::none);
5029 __ emit_data64(0x0006000400020000, relocInfo::none);
5030 __ emit_data64(0x0006000400020000, relocInfo::none);
5031 __ emit_data64(0x0006000400020000, relocInfo::none);
5032 __ emit_data64(0x0006000400020000, relocInfo::none);
5033
5034 return start;
5035 }
5036
5037 address base64_left_shift_mask_addr() {
5038 __ align(CodeEntryAlignment);
5039 StubCodeMark mark(this, "StubRoutines", "left_shift_mask");
5040 address start = __ pc();
5041 __ emit_data64(0x0000000200040000, relocInfo::none);
5042 __ emit_data64(0x0000000200040000, relocInfo::none);
5043 __ emit_data64(0x0000000200040000, relocInfo::none);
5044 __ emit_data64(0x0000000200040000, relocInfo::none);
5045 __ emit_data64(0x0000000200040000, relocInfo::none);
5046 __ emit_data64(0x0000000200040000, relocInfo::none);
5047 __ emit_data64(0x0000000200040000, relocInfo::none);
5048 __ emit_data64(0x0000000200040000, relocInfo::none);
5049
5050 return start;
5051 }
5052
5053 address base64_and_mask_addr() {
5054 __ align(CodeEntryAlignment);
5055 StubCodeMark mark(this, "StubRoutines", "and_mask");
5056 address start = __ pc();
5057 __ emit_data64(0x3f003f003f000000, relocInfo::none);
5058 __ emit_data64(0x3f003f003f000000, relocInfo::none);
5059 __ emit_data64(0x3f003f003f000000, relocInfo::none);
5060 __ emit_data64(0x3f003f003f000000, relocInfo::none);
5061 __ emit_data64(0x3f003f003f000000, relocInfo::none);
5062 __ emit_data64(0x3f003f003f000000, relocInfo::none);
5063 __ emit_data64(0x3f003f003f000000, relocInfo::none);
5064 __ emit_data64(0x3f003f003f000000, relocInfo::none);
5065 return start;
5066 }
5067
5068 address base64_gather_mask_addr() {
5069 __ align(CodeEntryAlignment);
5070 StubCodeMark mark(this, "StubRoutines", "gather_mask");
5071 address start = __ pc();
5072 __ emit_data64(0xffffffffffffffff, relocInfo::none);
5073 return start;
5074 }
5075
5076 // Code for generating Base64 encoding.
5077 // Intrinsic function prototype in Base64.java:
5078 // private void encodeBlock(byte[] src, int sp, int sl, byte[] dst, int dp, boolean isURL) {
5079 address generate_base64_encodeBlock() {
5080 __ align(CodeEntryAlignment);
5081 StubCodeMark mark(this, "StubRoutines", "implEncode");
5082 address start = __ pc();
5083 __ enter();
5084
5085 // Save callee-saved registers before using them
5086 __ push(r12);
5087 __ push(r13);
5088 __ push(r14);
5089 __ push(r15);
5090
5091 // arguments
5092 const Register source = c_rarg0; // Source Array
5093 const Register start_offset = c_rarg1; // start offset
5094 const Register end_offset = c_rarg2; // end offset
5095 const Register dest = c_rarg3; // destination array
5096
5097 #ifndef _WIN64
5098 const Register dp = c_rarg4; // Position for writing to dest array
5099 const Register isURL = c_rarg5;// Base64 or URL character set
5100 #else
5101 const Address dp_mem(rbp, 6 * wordSize); // length is on stack on Win64
5102 const Address isURL_mem(rbp, 7 * wordSize);
5103 const Register isURL = r10; // pick the volatile windows register
5104 const Register dp = r12;
5105 __ movl(dp, dp_mem);
5106 __ movl(isURL, isURL_mem);
5107 #endif
5108
5109 const Register length = r14;
5110 Label L_process80, L_process32, L_process3, L_exit, L_processdata;
5111
5112 // calculate length from offsets
5113 __ movl(length, end_offset);
5114 __ subl(length, start_offset);
5115 __ cmpl(length, 0);
5116 __ jcc(Assembler::lessEqual, L_exit);
5117
5118 __ lea(r11, ExternalAddress(StubRoutines::x86::base64_charset_addr()));
5119 // check if base64 charset(isURL=0) or base64 url charset(isURL=1) needs to be loaded
5120 __ cmpl(isURL, 0);
5121 __ jcc(Assembler::equal, L_processdata);
5122 __ lea(r11, ExternalAddress(StubRoutines::x86::base64url_charset_addr()));
5123
5124 // load masks required for encoding data
5125 __ BIND(L_processdata);
5126 __ movdqu(xmm16, ExternalAddress(StubRoutines::x86::base64_gather_mask_addr()));
5127 // Set 64 bits of K register.
5128 __ evpcmpeqb(k3, xmm16, xmm16, Assembler::AVX_512bit);
5129 __ evmovdquq(xmm12, ExternalAddress(StubRoutines::x86::base64_bswap_mask_addr()), Assembler::AVX_256bit, r13);
5130 __ evmovdquq(xmm13, ExternalAddress(StubRoutines::x86::base64_right_shift_mask_addr()), Assembler::AVX_512bit, r13);
5131 __ evmovdquq(xmm14, ExternalAddress(StubRoutines::x86::base64_left_shift_mask_addr()), Assembler::AVX_512bit, r13);
5132 __ evmovdquq(xmm15, ExternalAddress(StubRoutines::x86::base64_and_mask_addr()), Assembler::AVX_512bit, r13);
5133
5134 // Vector Base64 implementation, producing 96 bytes of encoded data
5135 __ BIND(L_process80);
5136 __ cmpl(length, 80);
5137 __ jcc(Assembler::below, L_process32);
5138 __ evmovdquq(xmm0, Address(source, start_offset, Address::times_1, 0), Assembler::AVX_256bit);
5139 __ evmovdquq(xmm1, Address(source, start_offset, Address::times_1, 24), Assembler::AVX_256bit);
5140 __ evmovdquq(xmm2, Address(source, start_offset, Address::times_1, 48), Assembler::AVX_256bit);
5141
5142 //permute the input data in such a manner that we have continuity of the source
5143 __ vpermq(xmm3, xmm0, 148, Assembler::AVX_256bit);
5144 __ vpermq(xmm4, xmm1, 148, Assembler::AVX_256bit);
5145 __ vpermq(xmm5, xmm2, 148, Assembler::AVX_256bit);
5146
5147 //shuffle input and group 3 bytes of data and to it add 0 as the 4th byte.
5148 //we can deal with 12 bytes at a time in a 128 bit register
5149 __ vpshufb(xmm3, xmm3, xmm12, Assembler::AVX_256bit);
5150 __ vpshufb(xmm4, xmm4, xmm12, Assembler::AVX_256bit);
5151 __ vpshufb(xmm5, xmm5, xmm12, Assembler::AVX_256bit);
5152
5153 //convert byte to word. Each 128 bit register will have 6 bytes for processing
5154 __ vpmovzxbw(xmm3, xmm3, Assembler::AVX_512bit);
5155 __ vpmovzxbw(xmm4, xmm4, Assembler::AVX_512bit);
5156 __ vpmovzxbw(xmm5, xmm5, Assembler::AVX_512bit);
5157
5158 // Extract bits in the following pattern 6, 4+2, 2+4, 6 to convert 3, 8 bit numbers to 4, 6 bit numbers
5159 __ evpsrlvw(xmm0, xmm3, xmm13, Assembler::AVX_512bit);
5160 __ evpsrlvw(xmm1, xmm4, xmm13, Assembler::AVX_512bit);
5161 __ evpsrlvw(xmm2, xmm5, xmm13, Assembler::AVX_512bit);
5162
5163 __ evpsllvw(xmm3, xmm3, xmm14, Assembler::AVX_512bit);
5164 __ evpsllvw(xmm4, xmm4, xmm14, Assembler::AVX_512bit);
5165 __ evpsllvw(xmm5, xmm5, xmm14, Assembler::AVX_512bit);
5166
5167 __ vpsrlq(xmm0, xmm0, 8, Assembler::AVX_512bit);
5168 __ vpsrlq(xmm1, xmm1, 8, Assembler::AVX_512bit);
5169 __ vpsrlq(xmm2, xmm2, 8, Assembler::AVX_512bit);
5170
5171 __ vpsllq(xmm3, xmm3, 8, Assembler::AVX_512bit);
5172 __ vpsllq(xmm4, xmm4, 8, Assembler::AVX_512bit);
5173 __ vpsllq(xmm5, xmm5, 8, Assembler::AVX_512bit);
5174
5175 __ vpandq(xmm3, xmm3, xmm15, Assembler::AVX_512bit);
5176 __ vpandq(xmm4, xmm4, xmm15, Assembler::AVX_512bit);
5177 __ vpandq(xmm5, xmm5, xmm15, Assembler::AVX_512bit);
5178
5179 // Get the final 4*6 bits base64 encoding
5180 __ vporq(xmm3, xmm3, xmm0, Assembler::AVX_512bit);
5181 __ vporq(xmm4, xmm4, xmm1, Assembler::AVX_512bit);
5182 __ vporq(xmm5, xmm5, xmm2, Assembler::AVX_512bit);
5183
5184 // Shift
5185 __ vpsrlq(xmm3, xmm3, 8, Assembler::AVX_512bit);
5186 __ vpsrlq(xmm4, xmm4, 8, Assembler::AVX_512bit);
5187 __ vpsrlq(xmm5, xmm5, 8, Assembler::AVX_512bit);
5188
5189 // look up 6 bits in the base64 character set to fetch the encoding
5190 // we are converting word to dword as gather instructions need dword indices for looking up encoding
5191 __ vextracti64x4(xmm6, xmm3, 0);
5192 __ vpmovzxwd(xmm0, xmm6, Assembler::AVX_512bit);
5193 __ vextracti64x4(xmm6, xmm3, 1);
5194 __ vpmovzxwd(xmm1, xmm6, Assembler::AVX_512bit);
5195
5196 __ vextracti64x4(xmm6, xmm4, 0);
5197 __ vpmovzxwd(xmm2, xmm6, Assembler::AVX_512bit);
5198 __ vextracti64x4(xmm6, xmm4, 1);
5199 __ vpmovzxwd(xmm3, xmm6, Assembler::AVX_512bit);
5200
5201 __ vextracti64x4(xmm4, xmm5, 0);
5202 __ vpmovzxwd(xmm6, xmm4, Assembler::AVX_512bit);
5203
5204 __ vextracti64x4(xmm4, xmm5, 1);
5205 __ vpmovzxwd(xmm7, xmm4, Assembler::AVX_512bit);
5206
5207 __ kmovql(k2, k3);
5208 __ evpgatherdd(xmm4, k2, Address(r11, xmm0, Address::times_4, 0), Assembler::AVX_512bit);
5209 __ kmovql(k2, k3);
5210 __ evpgatherdd(xmm5, k2, Address(r11, xmm1, Address::times_4, 0), Assembler::AVX_512bit);
5211 __ kmovql(k2, k3);
5212 __ evpgatherdd(xmm8, k2, Address(r11, xmm2, Address::times_4, 0), Assembler::AVX_512bit);
5213 __ kmovql(k2, k3);
5214 __ evpgatherdd(xmm9, k2, Address(r11, xmm3, Address::times_4, 0), Assembler::AVX_512bit);
5215 __ kmovql(k2, k3);
5216 __ evpgatherdd(xmm10, k2, Address(r11, xmm6, Address::times_4, 0), Assembler::AVX_512bit);
5217 __ kmovql(k2, k3);
5218 __ evpgatherdd(xmm11, k2, Address(r11, xmm7, Address::times_4, 0), Assembler::AVX_512bit);
5219
5220 //Down convert dword to byte. Final output is 16*6 = 96 bytes long
5221 __ evpmovdb(Address(dest, dp, Address::times_1, 0), xmm4, Assembler::AVX_512bit);
5222 __ evpmovdb(Address(dest, dp, Address::times_1, 16), xmm5, Assembler::AVX_512bit);
5223 __ evpmovdb(Address(dest, dp, Address::times_1, 32), xmm8, Assembler::AVX_512bit);
5224 __ evpmovdb(Address(dest, dp, Address::times_1, 48), xmm9, Assembler::AVX_512bit);
5225 __ evpmovdb(Address(dest, dp, Address::times_1, 64), xmm10, Assembler::AVX_512bit);
5226 __ evpmovdb(Address(dest, dp, Address::times_1, 80), xmm11, Assembler::AVX_512bit);
5227
5228 __ addq(dest, 96);
5229 __ addq(source, 72);
5230 __ subq(length, 72);
5231 __ jmp(L_process80);
5232
5233 // Vector Base64 implementation generating 32 bytes of encoded data
5234 __ BIND(L_process32);
5235 __ cmpl(length, 32);
5236 __ jcc(Assembler::below, L_process3);
5237 __ evmovdquq(xmm0, Address(source, start_offset), Assembler::AVX_256bit);
5238 __ vpermq(xmm0, xmm0, 148, Assembler::AVX_256bit);
5239 __ vpshufb(xmm6, xmm0, xmm12, Assembler::AVX_256bit);
5240 __ vpmovzxbw(xmm6, xmm6, Assembler::AVX_512bit);
5241 __ evpsrlvw(xmm2, xmm6, xmm13, Assembler::AVX_512bit);
5242 __ evpsllvw(xmm3, xmm6, xmm14, Assembler::AVX_512bit);
5243
5244 __ vpsrlq(xmm2, xmm2, 8, Assembler::AVX_512bit);
5245 __ vpsllq(xmm3, xmm3, 8, Assembler::AVX_512bit);
5246 __ vpandq(xmm3, xmm3, xmm15, Assembler::AVX_512bit);
5247 __ vporq(xmm1, xmm2, xmm3, Assembler::AVX_512bit);
5248 __ vpsrlq(xmm1, xmm1, 8, Assembler::AVX_512bit);
5249 __ vextracti64x4(xmm9, xmm1, 0);
5250 __ vpmovzxwd(xmm6, xmm9, Assembler::AVX_512bit);
5251 __ vextracti64x4(xmm9, xmm1, 1);
5252 __ vpmovzxwd(xmm5, xmm9, Assembler::AVX_512bit);
5253 __ kmovql(k2, k3);
5254 __ evpgatherdd(xmm8, k2, Address(r11, xmm6, Address::times_4, 0), Assembler::AVX_512bit);
5255 __ kmovql(k2, k3);
5256 __ evpgatherdd(xmm10, k2, Address(r11, xmm5, Address::times_4, 0), Assembler::AVX_512bit);
5257 __ evpmovdb(Address(dest, dp, Address::times_1, 0), xmm8, Assembler::AVX_512bit);
5258 __ evpmovdb(Address(dest, dp, Address::times_1, 16), xmm10, Assembler::AVX_512bit);
5259 __ subq(length, 24);
5260 __ addq(dest, 32);
5261 __ addq(source, 24);
5262 __ jmp(L_process32);
5263
5264 // Scalar data processing takes 3 bytes at a time and produces 4 bytes of encoded data
5265 /* This code corresponds to the scalar version of the following snippet in Base64.java
5266 ** int bits = (src[sp0++] & 0xff) << 16 |(src[sp0++] & 0xff) << 8 |(src[sp0++] & 0xff);
5267 ** dst[dp0++] = (byte)base64[(bits >> > 18) & 0x3f];
5268 ** dst[dp0++] = (byte)base64[(bits >> > 12) & 0x3f];
5269 ** dst[dp0++] = (byte)base64[(bits >> > 6) & 0x3f];
5270 ** dst[dp0++] = (byte)base64[bits & 0x3f];*/
5271 __ BIND(L_process3);
5272 __ cmpl(length, 3);
5273 __ jcc(Assembler::below, L_exit);
5274 // Read 1 byte at a time
5275 __ movzbl(rax, Address(source, start_offset));
5276 __ shll(rax, 0x10);
5277 __ movl(r15, rax);
5278 __ movzbl(rax, Address(source, start_offset, Address::times_1, 1));
5279 __ shll(rax, 0x8);
5280 __ movzwl(rax, rax);
5281 __ orl(r15, rax);
5282 __ movzbl(rax, Address(source, start_offset, Address::times_1, 2));
5283 __ orl(rax, r15);
5284 // Save 3 bytes read in r15
5285 __ movl(r15, rax);
5286 __ shrl(rax, 0x12);
5287 __ andl(rax, 0x3f);
5288 // rax contains the index, r11 contains base64 lookup table
5289 __ movb(rax, Address(r11, rax, Address::times_4));
5290 // Write the encoded byte to destination
5291 __ movb(Address(dest, dp, Address::times_1, 0), rax);
5292 __ movl(rax, r15);
5293 __ shrl(rax, 0xc);
5294 __ andl(rax, 0x3f);
5295 __ movb(rax, Address(r11, rax, Address::times_4));
5296 __ movb(Address(dest, dp, Address::times_1, 1), rax);
5297 __ movl(rax, r15);
5298 __ shrl(rax, 0x6);
5299 __ andl(rax, 0x3f);
5300 __ movb(rax, Address(r11, rax, Address::times_4));
5301 __ movb(Address(dest, dp, Address::times_1, 2), rax);
5302 __ movl(rax, r15);
5303 __ andl(rax, 0x3f);
5304 __ movb(rax, Address(r11, rax, Address::times_4));
5305 __ movb(Address(dest, dp, Address::times_1, 3), rax);
5306 __ subl(length, 3);
5307 __ addq(dest, 4);
5308 __ addq(source, 3);
5309 __ jmp(L_process3);
5310 __ BIND(L_exit);
5311 __ pop(r15);
5312 __ pop(r14);
5313 __ pop(r13);
5314 __ pop(r12);
5315 __ leave();
5316 __ ret(0);
5317 return start;
5318 }
5319
5320 /**
5321 * Arguments:
5322 *
5323 * Inputs:
5324 * c_rarg0 - int crc
5325 * c_rarg1 - byte* buf
5326 * c_rarg2 - int length
5327 *
5328 * Ouput:
5329 * rax - int crc result
5330 */
5331 address generate_updateBytesCRC32() {
5332 assert(UseCRC32Intrinsics, "need AVX and CLMUL instructions");
5333
5334 __ align(CodeEntryAlignment);
5335 StubCodeMark mark(this, "StubRoutines", "updateBytesCRC32");
5336
5337 address start = __ pc();
5338 // Win64: rcx, rdx, r8, r9 (c_rarg0, c_rarg1, ...)
5339 // Unix: rdi, rsi, rdx, rcx, r8, r9 (c_rarg0, c_rarg1, ...)
5340 // rscratch1: r10
5341 const Register crc = c_rarg0; // crc
5342 const Register buf = c_rarg1; // source java byte array address
5343 const Register len = c_rarg2; // length
5344 const Register table = c_rarg3; // crc_table address (reuse register)
5345 const Register tmp = r11;
5346 assert_different_registers(crc, buf, len, table, tmp, rax);
5347
5348 BLOCK_COMMENT("Entry:");
5349 __ enter(); // required for proper stackwalking of RuntimeStub frame
5350
5351 __ kernel_crc32(crc, buf, len, table, tmp);
5352
5353 __ movl(rax, crc);
5354 __ vzeroupper();
5355 __ leave(); // required for proper stackwalking of RuntimeStub frame
5356 __ ret(0);
5357
5358 return start;
5359 }
5360
5361 /**
5362 * Arguments:
5363 *
5364 * Inputs:
5365 * c_rarg0 - int crc
5366 * c_rarg1 - byte* buf
5367 * c_rarg2 - long length
5368 * c_rarg3 - table_start - optional (present only when doing a library_call,
5369 * not used by x86 algorithm)
5370 *
5371 * Ouput:
5372 * rax - int crc result
5373 */
5374 address generate_updateBytesCRC32C(bool is_pclmulqdq_supported) {
5375 assert(UseCRC32CIntrinsics, "need SSE4_2");
5376 __ align(CodeEntryAlignment);
5377 StubCodeMark mark(this, "StubRoutines", "updateBytesCRC32C");
5378 address start = __ pc();
5379 //reg.arg int#0 int#1 int#2 int#3 int#4 int#5 float regs
5380 //Windows RCX RDX R8 R9 none none XMM0..XMM3
5381 //Lin / Sol RDI RSI RDX RCX R8 R9 XMM0..XMM7
5382 const Register crc = c_rarg0; // crc
5383 const Register buf = c_rarg1; // source java byte array address
5384 const Register len = c_rarg2; // length
5385 const Register a = rax;
5386 const Register j = r9;
5387 const Register k = r10;
5388 const Register l = r11;
5389 #ifdef _WIN64
5390 const Register y = rdi;
5391 const Register z = rsi;
5392 #else
5393 const Register y = rcx;
5394 const Register z = r8;
5395 #endif
5396 assert_different_registers(crc, buf, len, a, j, k, l, y, z);
5397
5398 BLOCK_COMMENT("Entry:");
5399 __ enter(); // required for proper stackwalking of RuntimeStub frame
5400 #ifdef _WIN64
5401 __ push(y);
5402 __ push(z);
5403 #endif
5404 __ crc32c_ipl_alg2_alt2(crc, buf, len,
5405 a, j, k,
5406 l, y, z,
5407 c_farg0, c_farg1, c_farg2,
5408 is_pclmulqdq_supported);
5409 __ movl(rax, crc);
5410 #ifdef _WIN64
5411 __ pop(z);
5412 __ pop(y);
5413 #endif
5414 __ vzeroupper();
5415 __ leave(); // required for proper stackwalking of RuntimeStub frame
5416 __ ret(0);
5417
5418 return start;
5419 }
5420
5421 /**
5422 * Arguments:
5423 *
5424 * Input:
5425 * c_rarg0 - x address
5426 * c_rarg1 - x length
5427 * c_rarg2 - y address
5428 * c_rarg3 - y length
5429 * not Win64
5430 * c_rarg4 - z address
5431 * c_rarg5 - z length
5432 * Win64
5433 * rsp+40 - z address
5434 * rsp+48 - z length
5435 */
5436 address generate_multiplyToLen() {
5437 __ align(CodeEntryAlignment);
5438 StubCodeMark mark(this, "StubRoutines", "multiplyToLen");
5439
5440 address start = __ pc();
5441 // Win64: rcx, rdx, r8, r9 (c_rarg0, c_rarg1, ...)
5442 // Unix: rdi, rsi, rdx, rcx, r8, r9 (c_rarg0, c_rarg1, ...)
5443 const Register x = rdi;
5444 const Register xlen = rax;
5445 const Register y = rsi;
5446 const Register ylen = rcx;
5447 const Register z = r8;
5448 const Register zlen = r11;
5449
5450 // Next registers will be saved on stack in multiply_to_len().
5451 const Register tmp1 = r12;
5452 const Register tmp2 = r13;
5453 const Register tmp3 = r14;
5454 const Register tmp4 = r15;
5455 const Register tmp5 = rbx;
5456
5457 BLOCK_COMMENT("Entry:");
5458 __ enter(); // required for proper stackwalking of RuntimeStub frame
5459
5460 #ifndef _WIN64
5461 __ movptr(zlen, r9); // Save r9 in r11 - zlen
5462 #endif
5463 setup_arg_regs(4); // x => rdi, xlen => rsi, y => rdx
5464 // ylen => rcx, z => r8, zlen => r11
5465 // r9 and r10 may be used to save non-volatile registers
5466 #ifdef _WIN64
5467 // last 2 arguments (#4, #5) are on stack on Win64
5468 __ movptr(z, Address(rsp, 6 * wordSize));
5469 __ movptr(zlen, Address(rsp, 7 * wordSize));
5470 #endif
5471
5472 __ movptr(xlen, rsi);
5473 __ movptr(y, rdx);
5474 __ multiply_to_len(x, xlen, y, ylen, z, zlen, tmp1, tmp2, tmp3, tmp4, tmp5);
5475
5476 restore_arg_regs();
5477
5478 __ leave(); // required for proper stackwalking of RuntimeStub frame
5479 __ ret(0);
5480
5481 return start;
5482 }
5483
5484 /**
5485 * Arguments:
5486 *
5487 * Input:
5488 * c_rarg0 - obja address
5489 * c_rarg1 - objb address
5490 * c_rarg3 - length length
5491 * c_rarg4 - scale log2_array_indxscale
5492 *
5493 * Output:
5494 * rax - int >= mismatched index, < 0 bitwise complement of tail
5495 */
5496 address generate_vectorizedMismatch() {
5497 __ align(CodeEntryAlignment);
5498 StubCodeMark mark(this, "StubRoutines", "vectorizedMismatch");
5499 address start = __ pc();
5500
5501 BLOCK_COMMENT("Entry:");
5502 __ enter();
5503
5504 #ifdef _WIN64 // Win64: rcx, rdx, r8, r9 (c_rarg0, c_rarg1, ...)
5505 const Register scale = c_rarg0; //rcx, will exchange with r9
5506 const Register objb = c_rarg1; //rdx
5507 const Register length = c_rarg2; //r8
5508 const Register obja = c_rarg3; //r9
5509 __ xchgq(obja, scale); //now obja and scale contains the correct contents
5510
5511 const Register tmp1 = r10;
5512 const Register tmp2 = r11;
5513 #endif
5514 #ifndef _WIN64 // Unix: rdi, rsi, rdx, rcx, r8, r9 (c_rarg0, c_rarg1, ...)
5515 const Register obja = c_rarg0; //U:rdi
5516 const Register objb = c_rarg1; //U:rsi
5517 const Register length = c_rarg2; //U:rdx
5518 const Register scale = c_rarg3; //U:rcx
5519 const Register tmp1 = r8;
5520 const Register tmp2 = r9;
5521 #endif
5522 const Register result = rax; //return value
5523 const XMMRegister vec0 = xmm0;
5524 const XMMRegister vec1 = xmm1;
5525 const XMMRegister vec2 = xmm2;
5526
5527 __ vectorized_mismatch(obja, objb, length, scale, result, tmp1, tmp2, vec0, vec1, vec2);
5528
5529 __ vzeroupper();
5530 __ leave();
5531 __ ret(0);
5532
5533 return start;
5534 }
5535
5536 /**
5537 * Arguments:
5538 *
5539 // Input:
5540 // c_rarg0 - x address
5541 // c_rarg1 - x length
5542 // c_rarg2 - z address
5543 // c_rarg3 - z lenth
5544 *
5545 */
5546 address generate_squareToLen() {
5547
5548 __ align(CodeEntryAlignment);
5549 StubCodeMark mark(this, "StubRoutines", "squareToLen");
5550
5551 address start = __ pc();
5552 // Win64: rcx, rdx, r8, r9 (c_rarg0, c_rarg1, ...)
5553 // Unix: rdi, rsi, rdx, rcx (c_rarg0, c_rarg1, ...)
5554 const Register x = rdi;
5555 const Register len = rsi;
5556 const Register z = r8;
5557 const Register zlen = rcx;
5558
5559 const Register tmp1 = r12;
5560 const Register tmp2 = r13;
5561 const Register tmp3 = r14;
5562 const Register tmp4 = r15;
5563 const Register tmp5 = rbx;
5564
5565 BLOCK_COMMENT("Entry:");
5566 __ enter(); // required for proper stackwalking of RuntimeStub frame
5567
5568 setup_arg_regs(4); // x => rdi, len => rsi, z => rdx
5569 // zlen => rcx
5570 // r9 and r10 may be used to save non-volatile registers
5571 __ movptr(r8, rdx);
5572 __ square_to_len(x, len, z, zlen, tmp1, tmp2, tmp3, tmp4, tmp5, rdx, rax);
5573
5574 restore_arg_regs();
5575
5576 __ leave(); // required for proper stackwalking of RuntimeStub frame
5577 __ ret(0);
5578
5579 return start;
5580 }
5581
5582 address generate_method_entry_barrier() {
5583 __ align(CodeEntryAlignment);
5584 StubCodeMark mark(this, "StubRoutines", "nmethod_entry_barrier");
5585
5586 Label deoptimize_label;
5587
5588 address start = __ pc();
5589
5590 __ push(-1); // cookie, this is used for writing the new rsp when deoptimizing
5591
5592 BLOCK_COMMENT("Entry:");
5593 __ enter(); // save rbp
5594
5595 // save c_rarg0, because we want to use that value.
5596 // We could do without it but then we depend on the number of slots used by pusha
5597 __ push(c_rarg0);
5598
5599 __ lea(c_rarg0, Address(rsp, wordSize * 3)); // 1 for cookie, 1 for rbp, 1 for c_rarg0 - this should be the return address
5600
5601 __ pusha();
5602
5603 // The method may have floats as arguments, and we must spill them before calling
5604 // the VM runtime.
5605 assert(Argument::n_float_register_parameters_j == 8, "Assumption");
5606 const int xmm_size = wordSize * 2;
5607 const int xmm_spill_size = xmm_size * Argument::n_float_register_parameters_j;
5608 __ subptr(rsp, xmm_spill_size);
5609 __ movdqu(Address(rsp, xmm_size * 7), xmm7);
5610 __ movdqu(Address(rsp, xmm_size * 6), xmm6);
5611 __ movdqu(Address(rsp, xmm_size * 5), xmm5);
5612 __ movdqu(Address(rsp, xmm_size * 4), xmm4);
5613 __ movdqu(Address(rsp, xmm_size * 3), xmm3);
5614 __ movdqu(Address(rsp, xmm_size * 2), xmm2);
5615 __ movdqu(Address(rsp, xmm_size * 1), xmm1);
5616 __ movdqu(Address(rsp, xmm_size * 0), xmm0);
5617
5618 __ call_VM_leaf(CAST_FROM_FN_PTR(address, static_cast<int (*)(address*)>(BarrierSetNMethod::nmethod_stub_entry_barrier)), 1);
5619
5620 __ movdqu(xmm0, Address(rsp, xmm_size * 0));
5621 __ movdqu(xmm1, Address(rsp, xmm_size * 1));
5622 __ movdqu(xmm2, Address(rsp, xmm_size * 2));
5623 __ movdqu(xmm3, Address(rsp, xmm_size * 3));
5624 __ movdqu(xmm4, Address(rsp, xmm_size * 4));
5625 __ movdqu(xmm5, Address(rsp, xmm_size * 5));
5626 __ movdqu(xmm6, Address(rsp, xmm_size * 6));
5627 __ movdqu(xmm7, Address(rsp, xmm_size * 7));
5628 __ addptr(rsp, xmm_spill_size);
5629
5630 __ cmpl(rax, 1); // 1 means deoptimize
5631 __ jcc(Assembler::equal, deoptimize_label);
5632
5633 __ popa();
5634 __ pop(c_rarg0);
5635
5636 __ leave();
5637
5638 __ addptr(rsp, 1 * wordSize); // cookie
5639 __ ret(0);
5640
5641
5642 __ BIND(deoptimize_label);
5643
5644 __ popa();
5645 __ pop(c_rarg0);
5646
5647 __ leave();
5648
5649 // this can be taken out, but is good for verification purposes. getting a SIGSEGV
5650 // here while still having a correct stack is valuable
5651 __ testptr(rsp, Address(rsp, 0));
5652
5653 __ movptr(rsp, Address(rsp, 0)); // new rsp was written in the barrier
5654 __ jmp(Address(rsp, -1 * wordSize)); // jmp target should be callers verified_entry_point
5655
5656 return start;
5657 }
5658
5659 /**
5660 * Arguments:
5661 *
5662 * Input:
5663 * c_rarg0 - out address
5664 * c_rarg1 - in address
5665 * c_rarg2 - offset
5666 * c_rarg3 - len
5667 * not Win64
5668 * c_rarg4 - k
5669 * Win64
5670 * rsp+40 - k
5671 */
5672 address generate_mulAdd() {
5673 __ align(CodeEntryAlignment);
5674 StubCodeMark mark(this, "StubRoutines", "mulAdd");
5675
5676 address start = __ pc();
5677 // Win64: rcx, rdx, r8, r9 (c_rarg0, c_rarg1, ...)
5678 // Unix: rdi, rsi, rdx, rcx, r8, r9 (c_rarg0, c_rarg1, ...)
5679 const Register out = rdi;
5680 const Register in = rsi;
5681 const Register offset = r11;
5682 const Register len = rcx;
5683 const Register k = r8;
5684
5685 // Next registers will be saved on stack in mul_add().
5686 const Register tmp1 = r12;
5687 const Register tmp2 = r13;
5688 const Register tmp3 = r14;
5689 const Register tmp4 = r15;
5690 const Register tmp5 = rbx;
5691
5692 BLOCK_COMMENT("Entry:");
5693 __ enter(); // required for proper stackwalking of RuntimeStub frame
5694
5695 setup_arg_regs(4); // out => rdi, in => rsi, offset => rdx
5696 // len => rcx, k => r8
5697 // r9 and r10 may be used to save non-volatile registers
5698 #ifdef _WIN64
5699 // last argument is on stack on Win64
5700 __ movl(k, Address(rsp, 6 * wordSize));
5701 #endif
5702 __ movptr(r11, rdx); // move offset in rdx to offset(r11)
5703 __ mul_add(out, in, offset, len, k, tmp1, tmp2, tmp3, tmp4, tmp5, rdx, rax);
5704
5705 restore_arg_regs();
5706
5707 __ leave(); // required for proper stackwalking of RuntimeStub frame
5708 __ ret(0);
5709
5710 return start;
5711 }
5712
5713 address generate_libmExp() {
5714 StubCodeMark mark(this, "StubRoutines", "libmExp");
5715
5716 address start = __ pc();
5717
5718 const XMMRegister x0 = xmm0;
5719 const XMMRegister x1 = xmm1;
5720 const XMMRegister x2 = xmm2;
5721 const XMMRegister x3 = xmm3;
5722
5723 const XMMRegister x4 = xmm4;
5724 const XMMRegister x5 = xmm5;
5725 const XMMRegister x6 = xmm6;
5726 const XMMRegister x7 = xmm7;
5727
5728 const Register tmp = r11;
5729
5730 BLOCK_COMMENT("Entry:");
5731 __ enter(); // required for proper stackwalking of RuntimeStub frame
5732
5733 __ fast_exp(x0, x1, x2, x3, x4, x5, x6, x7, rax, rcx, rdx, tmp);
5734
5735 __ leave(); // required for proper stackwalking of RuntimeStub frame
5736 __ ret(0);
5737
5738 return start;
5739
5740 }
5741
5742 address generate_libmLog() {
5743 StubCodeMark mark(this, "StubRoutines", "libmLog");
5744
5745 address start = __ pc();
5746
5747 const XMMRegister x0 = xmm0;
5748 const XMMRegister x1 = xmm1;
5749 const XMMRegister x2 = xmm2;
5750 const XMMRegister x3 = xmm3;
5751
5752 const XMMRegister x4 = xmm4;
5753 const XMMRegister x5 = xmm5;
5754 const XMMRegister x6 = xmm6;
5755 const XMMRegister x7 = xmm7;
5756
5757 const Register tmp1 = r11;
5758 const Register tmp2 = r8;
5759
5760 BLOCK_COMMENT("Entry:");
5761 __ enter(); // required for proper stackwalking of RuntimeStub frame
5762
5763 __ fast_log(x0, x1, x2, x3, x4, x5, x6, x7, rax, rcx, rdx, tmp1, tmp2);
5764
5765 __ leave(); // required for proper stackwalking of RuntimeStub frame
5766 __ ret(0);
5767
5768 return start;
5769
5770 }
5771
5772 address generate_libmLog10() {
5773 StubCodeMark mark(this, "StubRoutines", "libmLog10");
5774
5775 address start = __ pc();
5776
5777 const XMMRegister x0 = xmm0;
5778 const XMMRegister x1 = xmm1;
5779 const XMMRegister x2 = xmm2;
5780 const XMMRegister x3 = xmm3;
5781
5782 const XMMRegister x4 = xmm4;
5783 const XMMRegister x5 = xmm5;
5784 const XMMRegister x6 = xmm6;
5785 const XMMRegister x7 = xmm7;
5786
5787 const Register tmp = r11;
5788
5789 BLOCK_COMMENT("Entry:");
5790 __ enter(); // required for proper stackwalking of RuntimeStub frame
5791
5792 __ fast_log10(x0, x1, x2, x3, x4, x5, x6, x7, rax, rcx, rdx, tmp);
5793
5794 __ leave(); // required for proper stackwalking of RuntimeStub frame
5795 __ ret(0);
5796
5797 return start;
5798
5799 }
5800
5801 address generate_libmPow() {
5802 StubCodeMark mark(this, "StubRoutines", "libmPow");
5803
5804 address start = __ pc();
5805
5806 const XMMRegister x0 = xmm0;
5807 const XMMRegister x1 = xmm1;
5808 const XMMRegister x2 = xmm2;
5809 const XMMRegister x3 = xmm3;
5810
5811 const XMMRegister x4 = xmm4;
5812 const XMMRegister x5 = xmm5;
5813 const XMMRegister x6 = xmm6;
5814 const XMMRegister x7 = xmm7;
5815
5816 const Register tmp1 = r8;
5817 const Register tmp2 = r9;
5818 const Register tmp3 = r10;
5819 const Register tmp4 = r11;
5820
5821 BLOCK_COMMENT("Entry:");
5822 __ enter(); // required for proper stackwalking of RuntimeStub frame
5823
5824 __ fast_pow(x0, x1, x2, x3, x4, x5, x6, x7, rax, rcx, rdx, tmp1, tmp2, tmp3, tmp4);
5825
5826 __ leave(); // required for proper stackwalking of RuntimeStub frame
5827 __ ret(0);
5828
5829 return start;
5830
5831 }
5832
5833 address generate_libmSin() {
5834 StubCodeMark mark(this, "StubRoutines", "libmSin");
5835
5836 address start = __ pc();
5837
5838 const XMMRegister x0 = xmm0;
5839 const XMMRegister x1 = xmm1;
5840 const XMMRegister x2 = xmm2;
5841 const XMMRegister x3 = xmm3;
5842
5843 const XMMRegister x4 = xmm4;
5844 const XMMRegister x5 = xmm5;
5845 const XMMRegister x6 = xmm6;
5846 const XMMRegister x7 = xmm7;
5847
5848 const Register tmp1 = r8;
5849 const Register tmp2 = r9;
5850 const Register tmp3 = r10;
5851 const Register tmp4 = r11;
5852
5853 BLOCK_COMMENT("Entry:");
5854 __ enter(); // required for proper stackwalking of RuntimeStub frame
5855
5856 #ifdef _WIN64
5857 __ push(rsi);
5858 __ push(rdi);
5859 #endif
5860 __ fast_sin(x0, x1, x2, x3, x4, x5, x6, x7, rax, rbx, rcx, rdx, tmp1, tmp2, tmp3, tmp4);
5861
5862 #ifdef _WIN64
5863 __ pop(rdi);
5864 __ pop(rsi);
5865 #endif
5866
5867 __ leave(); // required for proper stackwalking of RuntimeStub frame
5868 __ ret(0);
5869
5870 return start;
5871
5872 }
5873
5874 address generate_libmCos() {
5875 StubCodeMark mark(this, "StubRoutines", "libmCos");
5876
5877 address start = __ pc();
5878
5879 const XMMRegister x0 = xmm0;
5880 const XMMRegister x1 = xmm1;
5881 const XMMRegister x2 = xmm2;
5882 const XMMRegister x3 = xmm3;
5883
5884 const XMMRegister x4 = xmm4;
5885 const XMMRegister x5 = xmm5;
5886 const XMMRegister x6 = xmm6;
5887 const XMMRegister x7 = xmm7;
5888
5889 const Register tmp1 = r8;
5890 const Register tmp2 = r9;
5891 const Register tmp3 = r10;
5892 const Register tmp4 = r11;
5893
5894 BLOCK_COMMENT("Entry:");
5895 __ enter(); // required for proper stackwalking of RuntimeStub frame
5896
5897 #ifdef _WIN64
5898 __ push(rsi);
5899 __ push(rdi);
5900 #endif
5901 __ fast_cos(x0, x1, x2, x3, x4, x5, x6, x7, rax, rcx, rdx, tmp1, tmp2, tmp3, tmp4);
5902
5903 #ifdef _WIN64
5904 __ pop(rdi);
5905 __ pop(rsi);
5906 #endif
5907
5908 __ leave(); // required for proper stackwalking of RuntimeStub frame
5909 __ ret(0);
5910
5911 return start;
5912
5913 }
5914
5915 address generate_libmTan() {
5916 StubCodeMark mark(this, "StubRoutines", "libmTan");
5917
5918 address start = __ pc();
5919
5920 const XMMRegister x0 = xmm0;
5921 const XMMRegister x1 = xmm1;
5922 const XMMRegister x2 = xmm2;
5923 const XMMRegister x3 = xmm3;
5924
5925 const XMMRegister x4 = xmm4;
5926 const XMMRegister x5 = xmm5;
5927 const XMMRegister x6 = xmm6;
5928 const XMMRegister x7 = xmm7;
5929
5930 const Register tmp1 = r8;
5931 const Register tmp2 = r9;
5932 const Register tmp3 = r10;
5933 const Register tmp4 = r11;
5934
5935 BLOCK_COMMENT("Entry:");
5936 __ enter(); // required for proper stackwalking of RuntimeStub frame
5937
5938 #ifdef _WIN64
5939 __ push(rsi);
5940 __ push(rdi);
5941 #endif
5942 __ fast_tan(x0, x1, x2, x3, x4, x5, x6, x7, rax, rcx, rdx, tmp1, tmp2, tmp3, tmp4);
5943
5944 #ifdef _WIN64
5945 __ pop(rdi);
5946 __ pop(rsi);
5947 #endif
5948
5949 __ leave(); // required for proper stackwalking of RuntimeStub frame
5950 __ ret(0);
5951
5952 return start;
5953
5954 }
5955
5956 #undef __
5957 #define __ masm->
5958
5959 // Continuation point for throwing of implicit exceptions that are
5960 // not handled in the current activation. Fabricates an exception
5961 // oop and initiates normal exception dispatching in this
5962 // frame. Since we need to preserve callee-saved values (currently
5963 // only for C2, but done for C1 as well) we need a callee-saved oop
5964 // map and therefore have to make these stubs into RuntimeStubs
5965 // rather than BufferBlobs. If the compiler needs all registers to
5966 // be preserved between the fault point and the exception handler
5967 // then it must assume responsibility for that in
5968 // AbstractCompiler::continuation_for_implicit_null_exception or
5969 // continuation_for_implicit_division_by_zero_exception. All other
5970 // implicit exceptions (e.g., NullPointerException or
5971 // AbstractMethodError on entry) are either at call sites or
5972 // otherwise assume that stack unwinding will be initiated, so
5973 // caller saved registers were assumed volatile in the compiler.
5974 address generate_throw_exception(const char* name,
5975 address runtime_entry,
5976 Register arg1 = noreg,
5977 Register arg2 = noreg) {
5978 // Information about frame layout at time of blocking runtime call.
5979 // Note that we only have to preserve callee-saved registers since
5980 // the compilers are responsible for supplying a continuation point
5981 // if they expect all registers to be preserved.
5982 enum layout {
5983 rbp_off = frame::arg_reg_save_area_bytes/BytesPerInt,
5984 rbp_off2,
5985 return_off,
5986 return_off2,
5987 framesize // inclusive of return address
5988 };
5989
5990 int insts_size = 512;
5991 int locs_size = 64;
5992
5993 CodeBuffer code(name, insts_size, locs_size);
5994 OopMapSet* oop_maps = new OopMapSet();
5995 MacroAssembler* masm = new MacroAssembler(&code);
5996
5997 address start = __ pc();
5998
5999 // This is an inlined and slightly modified version of call_VM
6000 // which has the ability to fetch the return PC out of
6001 // thread-local storage and also sets up last_Java_sp slightly
6002 // differently than the real call_VM
6003
6004 __ enter(); // required for proper stackwalking of RuntimeStub frame
6005
6006 assert(is_even(framesize/2), "sp not 16-byte aligned");
6007
6008 // return address and rbp are already in place
6009 __ subptr(rsp, (framesize-4) << LogBytesPerInt); // prolog
6010
6011 int frame_complete = __ pc() - start;
6012
6013 // Set up last_Java_sp and last_Java_fp
6014 address the_pc = __ pc();
6015 __ set_last_Java_frame(rsp, rbp, the_pc);
6016 __ andptr(rsp, -(StackAlignmentInBytes)); // Align stack
6017
6018 // Call runtime
6019 if (arg1 != noreg) {
6020 assert(arg2 != c_rarg1, "clobbered");
6021 __ movptr(c_rarg1, arg1);
6022 }
6023 if (arg2 != noreg) {
6024 __ movptr(c_rarg2, arg2);
6025 }
6026 __ movptr(c_rarg0, r15_thread);
6027 BLOCK_COMMENT("call runtime_entry");
6028 __ call(RuntimeAddress(runtime_entry));
6029
6030 // Generate oop map
6031 OopMap* map = new OopMap(framesize, 0);
6032
6033 oop_maps->add_gc_map(the_pc - start, map);
6034
6035 __ reset_last_Java_frame(true);
6036
6037 __ leave(); // required for proper stackwalking of RuntimeStub frame
6038
6039 // check for pending exceptions
6040 #ifdef ASSERT
6041 Label L;
6042 __ cmpptr(Address(r15_thread, Thread::pending_exception_offset()),
6043 (int32_t) NULL_WORD);
6044 __ jcc(Assembler::notEqual, L);
6045 __ should_not_reach_here();
6046 __ bind(L);
6047 #endif // ASSERT
6048 __ jump(RuntimeAddress(StubRoutines::forward_exception_entry()));
6049
6050
6051 // codeBlob framesize is in words (not VMRegImpl::slot_size)
6052 RuntimeStub* stub =
6053 RuntimeStub::new_runtime_stub(name,
6054 &code,
6055 frame_complete,
6056 (framesize >> (LogBytesPerWord - LogBytesPerInt)),
6057 oop_maps, false);
6058 return stub->entry_point();
6059 }
6060
6061 void create_control_words() {
6062 // Round to nearest, 53-bit mode, exceptions masked
6063 StubRoutines::_fpu_cntrl_wrd_std = 0x027F;
6064 // Round to zero, 53-bit mode, exception mased
6065 StubRoutines::_fpu_cntrl_wrd_trunc = 0x0D7F;
6066 // Round to nearest, 24-bit mode, exceptions masked
6067 StubRoutines::_fpu_cntrl_wrd_24 = 0x007F;
6068 // Round to nearest, 64-bit mode, exceptions masked
6069 StubRoutines::_mxcsr_std = 0x1F80;
6070 // Note: the following two constants are 80-bit values
6071 // layout is critical for correct loading by FPU.
6072 // Bias for strict fp multiply/divide
6073 StubRoutines::_fpu_subnormal_bias1[0]= 0x00000000; // 2^(-15360) == 0x03ff 8000 0000 0000 0000
6074 StubRoutines::_fpu_subnormal_bias1[1]= 0x80000000;
6075 StubRoutines::_fpu_subnormal_bias1[2]= 0x03ff;
6076 // Un-Bias for strict fp multiply/divide
6077 StubRoutines::_fpu_subnormal_bias2[0]= 0x00000000; // 2^(+15360) == 0x7bff 8000 0000 0000 0000
6078 StubRoutines::_fpu_subnormal_bias2[1]= 0x80000000;
6079 StubRoutines::_fpu_subnormal_bias2[2]= 0x7bff;
6080 }
6081
6082 // Initialization
6083 void generate_initial() {
6084 // Generates all stubs and initializes the entry points
6085
6086 // This platform-specific settings are needed by generate_call_stub()
6087 create_control_words();
6088
6089 // entry points that exist in all platforms Note: This is code
6090 // that could be shared among different platforms - however the
6091 // benefit seems to be smaller than the disadvantage of having a
6092 // much more complicated generator structure. See also comment in
6093 // stubRoutines.hpp.
6094
6095 StubRoutines::_forward_exception_entry = generate_forward_exception();
6096
6097 StubRoutines::_call_stub_entry =
6098 generate_call_stub(StubRoutines::_call_stub_return_address);
6099
6100 // is referenced by megamorphic call
6101 StubRoutines::_catch_exception_entry = generate_catch_exception();
6102
6103 // atomic calls
6104 StubRoutines::_atomic_xchg_entry = generate_atomic_xchg();
6105 StubRoutines::_atomic_xchg_long_entry = generate_atomic_xchg_long();
6106 StubRoutines::_atomic_cmpxchg_entry = generate_atomic_cmpxchg();
6107 StubRoutines::_atomic_cmpxchg_byte_entry = generate_atomic_cmpxchg_byte();
6108 StubRoutines::_atomic_cmpxchg_long_entry = generate_atomic_cmpxchg_long();
6109 StubRoutines::_atomic_add_entry = generate_atomic_add();
6110 StubRoutines::_atomic_add_long_entry = generate_atomic_add_long();
6111 StubRoutines::_fence_entry = generate_orderaccess_fence();
6112
6113 // platform dependent
6114 StubRoutines::x86::_get_previous_fp_entry = generate_get_previous_fp();
6115 StubRoutines::x86::_get_previous_sp_entry = generate_get_previous_sp();
6116
6117 StubRoutines::x86::_verify_mxcsr_entry = generate_verify_mxcsr();
6118
6119 // Build this early so it's available for the interpreter.
6120 StubRoutines::_throw_StackOverflowError_entry =
6121 generate_throw_exception("StackOverflowError throw_exception",
6122 CAST_FROM_FN_PTR(address,
6123 SharedRuntime::
6124 throw_StackOverflowError));
6125 StubRoutines::_throw_delayed_StackOverflowError_entry =
6126 generate_throw_exception("delayed StackOverflowError throw_exception",
6127 CAST_FROM_FN_PTR(address,
6128 SharedRuntime::
6129 throw_delayed_StackOverflowError));
6130 if (UseCRC32Intrinsics) {
6131 // set table address before stub generation which use it
6132 StubRoutines::_crc_table_adr = (address)StubRoutines::x86::_crc_table;
6133 StubRoutines::_updateBytesCRC32 = generate_updateBytesCRC32();
6134 }
6135
6136 if (UseCRC32CIntrinsics) {
6137 bool supports_clmul = VM_Version::supports_clmul();
6138 StubRoutines::x86::generate_CRC32C_table(supports_clmul);
6139 StubRoutines::_crc32c_table_addr = (address)StubRoutines::x86::_crc32c_table;
6140 StubRoutines::_updateBytesCRC32C = generate_updateBytesCRC32C(supports_clmul);
6141 }
6142 if (VM_Version::supports_sse2() && UseLibmIntrinsic && InlineIntrinsics) {
6143 if (vmIntrinsics::is_intrinsic_available(vmIntrinsics::_dsin) ||
6144 vmIntrinsics::is_intrinsic_available(vmIntrinsics::_dcos) ||
6145 vmIntrinsics::is_intrinsic_available(vmIntrinsics::_dtan)) {
6146 StubRoutines::x86::_ONEHALF_adr = (address)StubRoutines::x86::_ONEHALF;
6147 StubRoutines::x86::_P_2_adr = (address)StubRoutines::x86::_P_2;
6148 StubRoutines::x86::_SC_4_adr = (address)StubRoutines::x86::_SC_4;
6149 StubRoutines::x86::_Ctable_adr = (address)StubRoutines::x86::_Ctable;
6150 StubRoutines::x86::_SC_2_adr = (address)StubRoutines::x86::_SC_2;
6151 StubRoutines::x86::_SC_3_adr = (address)StubRoutines::x86::_SC_3;
6152 StubRoutines::x86::_SC_1_adr = (address)StubRoutines::x86::_SC_1;
6153 StubRoutines::x86::_PI_INV_TABLE_adr = (address)StubRoutines::x86::_PI_INV_TABLE;
6154 StubRoutines::x86::_PI_4_adr = (address)StubRoutines::x86::_PI_4;
6155 StubRoutines::x86::_PI32INV_adr = (address)StubRoutines::x86::_PI32INV;
6156 StubRoutines::x86::_SIGN_MASK_adr = (address)StubRoutines::x86::_SIGN_MASK;
6157 StubRoutines::x86::_P_1_adr = (address)StubRoutines::x86::_P_1;
6158 StubRoutines::x86::_P_3_adr = (address)StubRoutines::x86::_P_3;
6159 StubRoutines::x86::_NEG_ZERO_adr = (address)StubRoutines::x86::_NEG_ZERO;
6160 }
6161 if (vmIntrinsics::is_intrinsic_available(vmIntrinsics::_dexp)) {
6162 StubRoutines::_dexp = generate_libmExp();
6163 }
6164 if (vmIntrinsics::is_intrinsic_available(vmIntrinsics::_dlog)) {
6165 StubRoutines::_dlog = generate_libmLog();
6166 }
6167 if (vmIntrinsics::is_intrinsic_available(vmIntrinsics::_dlog10)) {
6168 StubRoutines::_dlog10 = generate_libmLog10();
6169 }
6170 if (vmIntrinsics::is_intrinsic_available(vmIntrinsics::_dpow)) {
6171 StubRoutines::_dpow = generate_libmPow();
6172 }
6173 if (vmIntrinsics::is_intrinsic_available(vmIntrinsics::_dsin)) {
6174 StubRoutines::_dsin = generate_libmSin();
6175 }
6176 if (vmIntrinsics::is_intrinsic_available(vmIntrinsics::_dcos)) {
6177 StubRoutines::_dcos = generate_libmCos();
6178 }
6179 if (vmIntrinsics::is_intrinsic_available(vmIntrinsics::_dtan)) {
6180 StubRoutines::_dtan = generate_libmTan();
6181 }
6182 }
6183 }
6184
6185 void generate_all() {
6186 // Generates all stubs and initializes the entry points
6187
6188 // These entry points require SharedInfo::stack0 to be set up in
6189 // non-core builds and need to be relocatable, so they each
6190 // fabricate a RuntimeStub internally.
6191 StubRoutines::_throw_AbstractMethodError_entry =
6192 generate_throw_exception("AbstractMethodError throw_exception",
6193 CAST_FROM_FN_PTR(address,
6194 SharedRuntime::
6195 throw_AbstractMethodError));
6196
6197 StubRoutines::_throw_IncompatibleClassChangeError_entry =
6198 generate_throw_exception("IncompatibleClassChangeError throw_exception",
6199 CAST_FROM_FN_PTR(address,
6200 SharedRuntime::
6201 throw_IncompatibleClassChangeError));
6202
6203 StubRoutines::_throw_NullPointerException_at_call_entry =
6204 generate_throw_exception("NullPointerException at call throw_exception",
6205 CAST_FROM_FN_PTR(address,
6206 SharedRuntime::
6207 throw_NullPointerException_at_call));
6208
6209 // entry points that are platform specific
6210 StubRoutines::x86::_f2i_fixup = generate_f2i_fixup();
6211 StubRoutines::x86::_f2l_fixup = generate_f2l_fixup();
6212 StubRoutines::x86::_d2i_fixup = generate_d2i_fixup();
6213 StubRoutines::x86::_d2l_fixup = generate_d2l_fixup();
6214
6215 StubRoutines::x86::_float_sign_mask = generate_fp_mask("float_sign_mask", 0x7FFFFFFF7FFFFFFF);
6216 StubRoutines::x86::_float_sign_flip = generate_fp_mask("float_sign_flip", 0x8000000080000000);
6217 StubRoutines::x86::_double_sign_mask = generate_fp_mask("double_sign_mask", 0x7FFFFFFFFFFFFFFF);
6218 StubRoutines::x86::_double_sign_flip = generate_fp_mask("double_sign_flip", 0x8000000000000000);
6219 StubRoutines::x86::_vector_float_sign_mask = generate_vector_fp_mask("vector_float_sign_mask", 0x7FFFFFFF7FFFFFFF);
6220 StubRoutines::x86::_vector_float_sign_flip = generate_vector_fp_mask("vector_float_sign_flip", 0x8000000080000000);
6221 StubRoutines::x86::_vector_double_sign_mask = generate_vector_fp_mask("vector_double_sign_mask", 0x7FFFFFFFFFFFFFFF);
6222 StubRoutines::x86::_vector_double_sign_flip = generate_vector_fp_mask("vector_double_sign_flip", 0x8000000000000000);
6223 StubRoutines::x86::_vector_all_bits_set = generate_vector_fp_mask("vector_all_bits_set", 0xFFFFFFFFFFFFFFFF);
6224 StubRoutines::x86::_vector_byte_bitset = generate_vector_fp_mask("vector_byte_bitset", 0x0101010101010101);
6225 StubRoutines::x86::_vector_long_perm_mask = generate_vector_custom_i32("vector_long_perm_mask", Assembler::AVX_512bit,
6226 0, 2, 4, 6, 8, 10, 12, 14);
6227 StubRoutines::x86::_vector_short_to_byte_mask = generate_vector_fp_mask("vector_short_to_byte_mask", 0x00ff00ff00ff00ff);
6228 StubRoutines::x86::_vector_byte_perm_mask = generate_vector_byte_perm_mask("vector_byte_perm_mask");
6229 StubRoutines::x86::_vector_int_to_byte_mask = generate_vector_fp_mask("vector_int_to_byte_mask", 0x000000ff000000ff);
6230 StubRoutines::x86::_vector_int_to_short_mask = generate_vector_fp_mask("vector_int_to_short_mask", 0x0000ffff0000ffff);
6231 StubRoutines::x86::_vector_32_bit_mask = generate_vector_custom_i32("vector_32_bit_mask", Assembler::AVX_512bit,
6232 0xFFFFFFFF, 0, 0, 0);
6233 StubRoutines::x86::_vector_64_bit_mask = generate_vector_custom_i32("vector_64_bit_mask", Assembler::AVX_512bit,
6234 0xFFFFFFFF, 0xFFFFFFFF, 0, 0);
6235 StubRoutines::x86::_vector_int_shuffle_mask = generate_vector_fp_mask("vector_int_shuffle_mask", 0x0302010003020100);
6236 StubRoutines::x86::_vector_int_size_mask = generate_vector_fp_mask("vector_int_size_mask", 0x0000000400000004);
6237 StubRoutines::x86::_vector_short_shuffle_mask = generate_vector_fp_mask("vector_short_shuffle_mask", 0x0100010001000100);
6238 StubRoutines::x86::_vector_short_size_mask = generate_vector_fp_mask("vector_short_size_mask", 0x0002000200020002);
6239 StubRoutines::x86::_vector_long_shuffle_mask = generate_vector_fp_mask("vector_long_shuffle_mask", 0x0000000100000000);
6240 StubRoutines::x86::_vector_long_size_mask = generate_vector_fp_mask("vector_long_size_mask", 0x0000000200000002);
6241
6242 // support for verify_oop (must happen after universe_init)
6243 StubRoutines::_verify_oop_subroutine_entry = generate_verify_oop();
6244
6245 // arraycopy stubs used by compilers
6246 generate_arraycopy_stubs();
6247
6248 // don't bother generating these AES intrinsic stubs unless global flag is set
6249 if (UseAESIntrinsics) {
6250 StubRoutines::x86::_key_shuffle_mask_addr = generate_key_shuffle_mask(); // needed by the others
6251 StubRoutines::_aescrypt_encryptBlock = generate_aescrypt_encryptBlock();
6252 StubRoutines::_aescrypt_decryptBlock = generate_aescrypt_decryptBlock();
6253 StubRoutines::_cipherBlockChaining_encryptAESCrypt = generate_cipherBlockChaining_encryptAESCrypt();
6254 if (VM_Version::supports_vaes() && VM_Version::supports_avx512vl() && VM_Version::supports_avx512dq() ) {
6255 StubRoutines::_cipherBlockChaining_decryptAESCrypt = generate_cipherBlockChaining_decryptVectorAESCrypt();
6256 } else {
6257 StubRoutines::_cipherBlockChaining_decryptAESCrypt = generate_cipherBlockChaining_decryptAESCrypt_Parallel();
6258 }
6259 }
6260 if (UseAESCTRIntrinsics){
6261 StubRoutines::x86::_counter_shuffle_mask_addr = generate_counter_shuffle_mask();
6262 StubRoutines::_counterMode_AESCrypt = generate_counterMode_AESCrypt_Parallel();
6263 }
6264
6265 if (UseSHA1Intrinsics) {
6266 StubRoutines::x86::_upper_word_mask_addr = generate_upper_word_mask();
6267 StubRoutines::x86::_shuffle_byte_flip_mask_addr = generate_shuffle_byte_flip_mask();
6268 StubRoutines::_sha1_implCompress = generate_sha1_implCompress(false, "sha1_implCompress");
6269 StubRoutines::_sha1_implCompressMB = generate_sha1_implCompress(true, "sha1_implCompressMB");
6270 }
6271 if (UseSHA256Intrinsics) {
6272 StubRoutines::x86::_k256_adr = (address)StubRoutines::x86::_k256;
6273 char* dst = (char*)StubRoutines::x86::_k256_W;
6274 char* src = (char*)StubRoutines::x86::_k256;
6275 for (int ii = 0; ii < 16; ++ii) {
6276 memcpy(dst + 32 * ii, src + 16 * ii, 16);
6277 memcpy(dst + 32 * ii + 16, src + 16 * ii, 16);
6278 }
6279 StubRoutines::x86::_k256_W_adr = (address)StubRoutines::x86::_k256_W;
6280 StubRoutines::x86::_pshuffle_byte_flip_mask_addr = generate_pshuffle_byte_flip_mask();
6281 StubRoutines::_sha256_implCompress = generate_sha256_implCompress(false, "sha256_implCompress");
6282 StubRoutines::_sha256_implCompressMB = generate_sha256_implCompress(true, "sha256_implCompressMB");
6283 }
6284 if (UseSHA512Intrinsics) {
6285 StubRoutines::x86::_k512_W_addr = (address)StubRoutines::x86::_k512_W;
6286 StubRoutines::x86::_pshuffle_byte_flip_mask_addr_sha512 = generate_pshuffle_byte_flip_mask_sha512();
6287 StubRoutines::_sha512_implCompress = generate_sha512_implCompress(false, "sha512_implCompress");
6288 StubRoutines::_sha512_implCompressMB = generate_sha512_implCompress(true, "sha512_implCompressMB");
6289 }
6290
6291 // Generate GHASH intrinsics code
6292 if (UseGHASHIntrinsics) {
6293 StubRoutines::x86::_ghash_long_swap_mask_addr = generate_ghash_long_swap_mask();
6294 StubRoutines::x86::_ghash_byte_swap_mask_addr = generate_ghash_byte_swap_mask();
6295 if (VM_Version::supports_avx()) {
6296 StubRoutines::x86::_ghash_shuffmask_addr = ghash_shufflemask_addr();
6297 StubRoutines::x86::_ghash_poly_addr = ghash_polynomial_addr();
6298 StubRoutines::_ghash_processBlocks = generate_avx_ghash_processBlocks();
6299 } else {
6300 StubRoutines::_ghash_processBlocks = generate_ghash_processBlocks();
6301 }
6302 }
6303
6304 if (UseBASE64Intrinsics) {
6305 StubRoutines::x86::_and_mask = base64_and_mask_addr();
6306 StubRoutines::x86::_bswap_mask = base64_bswap_mask_addr();
6307 StubRoutines::x86::_base64_charset = base64_charset_addr();
6308 StubRoutines::x86::_url_charset = base64url_charset_addr();
6309 StubRoutines::x86::_gather_mask = base64_gather_mask_addr();
6310 StubRoutines::x86::_left_shift_mask = base64_left_shift_mask_addr();
6311 StubRoutines::x86::_right_shift_mask = base64_right_shift_mask_addr();
6312 StubRoutines::_base64_encodeBlock = generate_base64_encodeBlock();
6313 }
6314
6315 // Safefetch stubs.
6316 generate_safefetch("SafeFetch32", sizeof(int), &StubRoutines::_safefetch32_entry,
6317 &StubRoutines::_safefetch32_fault_pc,
6318 &StubRoutines::_safefetch32_continuation_pc);
6319 generate_safefetch("SafeFetchN", sizeof(intptr_t), &StubRoutines::_safefetchN_entry,
6320 &StubRoutines::_safefetchN_fault_pc,
6321 &StubRoutines::_safefetchN_continuation_pc);
6322
6323 BarrierSetNMethod* bs_nm = BarrierSet::barrier_set()->barrier_set_nmethod();
6324 if (bs_nm != NULL) {
6325 StubRoutines::x86::_method_entry_barrier = generate_method_entry_barrier();
6326 }
6327 #ifdef COMPILER2
6328 if (UseMultiplyToLenIntrinsic) {
6329 StubRoutines::_multiplyToLen = generate_multiplyToLen();
6330 }
6331 if (UseSquareToLenIntrinsic) {
6332 StubRoutines::_squareToLen = generate_squareToLen();
6333 }
6334 if (UseMulAddIntrinsic) {
6335 StubRoutines::_mulAdd = generate_mulAdd();
6336 }
6337 #ifndef _WINDOWS
6338 if (UseMontgomeryMultiplyIntrinsic) {
6339 StubRoutines::_montgomeryMultiply
6340 = CAST_FROM_FN_PTR(address, SharedRuntime::montgomery_multiply);
6341 }
6342 if (UseMontgomerySquareIntrinsic) {
6343 StubRoutines::_montgomerySquare
6344 = CAST_FROM_FN_PTR(address, SharedRuntime::montgomery_square);
6345 }
6346 #endif // WINDOWS
6347 #endif // COMPILER2
6348
6349 if (UseVectorizedMismatchIntrinsic) {
6350 StubRoutines::_vectorizedMismatch = generate_vectorizedMismatch();
6351 }
6352
6353 #ifdef __VECTOR_API_MATH_INTRINSICS_COMMON
6354 if (UseVectorApiIntrinsics) {
6355 if (UseAVX >= 1) {
6356 #if defined(__VECTOR_API_MATH_INTRINSICS_LINUX)
6357 if (UseAVX > 2) {
6358 StubRoutines::_vector_float512_exp = CAST_FROM_FN_PTR(address, __svml_expf16_ha_z0);
6359 StubRoutines::_vector_double512_exp = CAST_FROM_FN_PTR(address, __svml_exp8_ha_z0);
6360 StubRoutines::_vector_float512_expm1 = CAST_FROM_FN_PTR(address, __svml_expm1f16_ha_z0);
6361 StubRoutines::_vector_double512_expm1 = CAST_FROM_FN_PTR(address, __svml_expm18_ha_z0);
6362 StubRoutines::_vector_float512_log1p = CAST_FROM_FN_PTR(address, __svml_log1pf16_ha_z0);
6363 StubRoutines::_vector_double512_log1p = CAST_FROM_FN_PTR(address, __svml_log1p8_ha_z0);
6364 StubRoutines::_vector_float512_log = CAST_FROM_FN_PTR(address, __svml_logf16_ha_z0);
6365 StubRoutines::_vector_double512_log = CAST_FROM_FN_PTR(address, __svml_log8_ha_z0);
6366 StubRoutines::_vector_float512_log10 = CAST_FROM_FN_PTR(address, __svml_log10f16_ha_z0);
6367 StubRoutines::_vector_double512_log10 = CAST_FROM_FN_PTR(address, __svml_log108_ha_z0);
6368 StubRoutines::_vector_float512_sin = CAST_FROM_FN_PTR(address, __svml_sinf16_ha_z0);
6369 StubRoutines::_vector_double512_sin = CAST_FROM_FN_PTR(address, __svml_sin8_ha_z0);
6370 StubRoutines::_vector_float512_cos = CAST_FROM_FN_PTR(address, __svml_cosf16_ha_z0);
6371 StubRoutines::_vector_double512_cos = CAST_FROM_FN_PTR(address, __svml_cos8_ha_z0);
6372 StubRoutines::_vector_float512_tan = CAST_FROM_FN_PTR(address, __svml_tanf16_ha_z0);
6373 StubRoutines::_vector_double512_tan = CAST_FROM_FN_PTR(address, __svml_tan8_ha_z0);
6374 StubRoutines::_vector_float512_sinh = CAST_FROM_FN_PTR(address, __svml_sinhf16_ha_z0);
6375 StubRoutines::_vector_double512_sinh = CAST_FROM_FN_PTR(address, __svml_sinh8_ha_z0);
6376 StubRoutines::_vector_float512_cosh = CAST_FROM_FN_PTR(address, __svml_coshf16_ha_z0);
6377 StubRoutines::_vector_double512_cosh = CAST_FROM_FN_PTR(address, __svml_cosh8_ha_z0);
6378 StubRoutines::_vector_float512_tanh = CAST_FROM_FN_PTR(address, __svml_tanhf16_ha_z0);
6379 StubRoutines::_vector_double512_tanh = CAST_FROM_FN_PTR(address, __svml_tanh8_ha_z0);
6380 StubRoutines::_vector_float512_acos = CAST_FROM_FN_PTR(address, __svml_acosf16_ha_z0);
6381 StubRoutines::_vector_double512_acos = CAST_FROM_FN_PTR(address, __svml_acos8_ha_z0);
6382 StubRoutines::_vector_float512_asin = CAST_FROM_FN_PTR(address, __svml_asinf16_ha_z0);
6383 StubRoutines::_vector_double512_asin = CAST_FROM_FN_PTR(address, __svml_asin8_ha_z0);
6384 StubRoutines::_vector_float512_atan = CAST_FROM_FN_PTR(address, __svml_atanf16_ha_z0);
6385 StubRoutines::_vector_double512_atan = CAST_FROM_FN_PTR(address, __svml_atan8_ha_z0);
6386 StubRoutines::_vector_float512_pow = CAST_FROM_FN_PTR(address, __svml_powf16_ha_z0);
6387 StubRoutines::_vector_double512_pow = CAST_FROM_FN_PTR(address, __svml_pow8_ha_z0);
6388 StubRoutines::_vector_float512_hypot = CAST_FROM_FN_PTR(address, __svml_hypotf16_ha_z0);
6389 StubRoutines::_vector_double512_hypot = CAST_FROM_FN_PTR(address, __svml_hypot8_ha_z0);
6390 StubRoutines::_vector_float512_cbrt = CAST_FROM_FN_PTR(address, __svml_cbrtf16_ha_z0);
6391 StubRoutines::_vector_double512_cbrt = CAST_FROM_FN_PTR(address, __svml_cbrt8_ha_z0);
6392 StubRoutines::_vector_float512_atan2 = CAST_FROM_FN_PTR(address, __svml_atan2f16_ha_z0);
6393 StubRoutines::_vector_double512_atan2 = CAST_FROM_FN_PTR(address, __svml_atan28_ha_z0);
6394 }
6395 #endif
6396 if (UseAVX==1) {
6397 StubRoutines::_vector_float64_exp = CAST_FROM_FN_PTR(address, __svml_expf4_ha_e9);
6398 StubRoutines::_vector_float128_exp = CAST_FROM_FN_PTR(address, __svml_expf4_ha_e9);
6399 StubRoutines::_vector_float256_exp = CAST_FROM_FN_PTR(address, __svml_expf8_ha_e9);
6400 StubRoutines::_vector_double64_exp = CAST_FROM_FN_PTR(address, __svml_exp1_ha_e9);
6401 StubRoutines::_vector_double128_exp = CAST_FROM_FN_PTR(address, __svml_exp2_ha_e9);
6402 StubRoutines::_vector_double256_exp = CAST_FROM_FN_PTR(address, __svml_exp4_ha_e9);
6403 StubRoutines::_vector_float64_expm1 = CAST_FROM_FN_PTR(address, __svml_expm1f4_ha_e9);
6404 StubRoutines::_vector_float128_expm1 = CAST_FROM_FN_PTR(address, __svml_expm1f4_ha_e9);
6405 StubRoutines::_vector_float256_expm1 = CAST_FROM_FN_PTR(address, __svml_expm1f8_ha_e9);
6406 StubRoutines::_vector_double64_expm1 = CAST_FROM_FN_PTR(address, __svml_expm11_ha_e9);
6407 StubRoutines::_vector_double128_expm1 = CAST_FROM_FN_PTR(address, __svml_expm12_ha_e9);
6408 StubRoutines::_vector_double256_expm1 = CAST_FROM_FN_PTR(address, __svml_expm14_ha_e9);
6409 StubRoutines::_vector_float64_log1p = CAST_FROM_FN_PTR(address, __svml_log1pf4_ha_e9);
6410 StubRoutines::_vector_float128_log1p = CAST_FROM_FN_PTR(address, __svml_log1pf4_ha_e9);
6411 StubRoutines::_vector_float256_log1p = CAST_FROM_FN_PTR(address, __svml_log1pf8_ha_e9);
6412 StubRoutines::_vector_double64_log1p = CAST_FROM_FN_PTR(address, __svml_log1p1_ha_e9);
6413 StubRoutines::_vector_double128_log1p = CAST_FROM_FN_PTR(address, __svml_log1p2_ha_e9);
6414 StubRoutines::_vector_double256_log1p = CAST_FROM_FN_PTR(address, __svml_log1p4_ha_e9);
6415 StubRoutines::_vector_float64_log = CAST_FROM_FN_PTR(address, __svml_logf4_ha_e9);
6416 StubRoutines::_vector_float128_log = CAST_FROM_FN_PTR(address, __svml_logf4_ha_e9);
6417 StubRoutines::_vector_float256_log = CAST_FROM_FN_PTR(address, __svml_logf8_ha_e9);
6418 StubRoutines::_vector_double64_log = CAST_FROM_FN_PTR(address, __svml_log1_ha_e9);
6419 StubRoutines::_vector_double128_log = CAST_FROM_FN_PTR(address, __svml_log2_ha_e9);
6420 StubRoutines::_vector_double256_log = CAST_FROM_FN_PTR(address, __svml_log4_ha_e9);
6421 StubRoutines::_vector_float64_log10 = CAST_FROM_FN_PTR(address, __svml_log10f4_ha_e9);
6422 StubRoutines::_vector_float128_log10 = CAST_FROM_FN_PTR(address, __svml_log10f4_ha_e9);
6423 StubRoutines::_vector_float256_log10 = CAST_FROM_FN_PTR(address, __svml_log10f8_ha_e9);
6424 StubRoutines::_vector_double64_log10 = CAST_FROM_FN_PTR(address, __svml_log101_ha_e9);
6425 StubRoutines::_vector_double128_log10 = CAST_FROM_FN_PTR(address, __svml_log102_ha_e9);
6426 StubRoutines::_vector_double256_log10 = CAST_FROM_FN_PTR(address, __svml_log104_ha_e9);
6427 StubRoutines::_vector_float64_sin = CAST_FROM_FN_PTR(address, __svml_sinf4_ha_e9);
6428 StubRoutines::_vector_float128_sin = CAST_FROM_FN_PTR(address, __svml_sinf4_ha_e9);
6429 StubRoutines::_vector_float256_sin = CAST_FROM_FN_PTR(address, __svml_sinf8_ha_e9);
6430 StubRoutines::_vector_double64_sin = CAST_FROM_FN_PTR(address, __svml_sin1_ha_e9);
6431 StubRoutines::_vector_double128_sin = CAST_FROM_FN_PTR(address, __svml_sin2_ha_e9);
6432 StubRoutines::_vector_double256_sin = CAST_FROM_FN_PTR(address, __svml_sin4_ha_e9);
6433 StubRoutines::_vector_float64_cos = CAST_FROM_FN_PTR(address, __svml_cosf4_ha_e9);
6434 StubRoutines::_vector_float128_cos = CAST_FROM_FN_PTR(address, __svml_cosf4_ha_e9);
6435 StubRoutines::_vector_float256_cos = CAST_FROM_FN_PTR(address, __svml_cosf8_ha_e9);
6436 StubRoutines::_vector_double64_cos = CAST_FROM_FN_PTR(address, __svml_cos1_ha_e9);
6437 StubRoutines::_vector_double128_cos = CAST_FROM_FN_PTR(address, __svml_cos2_ha_e9);
6438 StubRoutines::_vector_double256_cos = CAST_FROM_FN_PTR(address, __svml_cos4_ha_e9);
6439 StubRoutines::_vector_float64_tan = CAST_FROM_FN_PTR(address, __svml_tanf4_ha_e9);
6440 StubRoutines::_vector_float128_tan = CAST_FROM_FN_PTR(address, __svml_tanf4_ha_e9);
6441 StubRoutines::_vector_float256_tan = CAST_FROM_FN_PTR(address, __svml_tanf8_ha_e9);
6442 StubRoutines::_vector_double64_tan = CAST_FROM_FN_PTR(address, __svml_tan1_ha_e9);
6443 StubRoutines::_vector_double128_tan = CAST_FROM_FN_PTR(address, __svml_tan2_ha_e9);
6444 StubRoutines::_vector_double256_tan = CAST_FROM_FN_PTR(address, __svml_tan4_ha_e9);
6445 StubRoutines::_vector_float64_sinh = CAST_FROM_FN_PTR(address, __svml_sinhf4_ha_e9);
6446 StubRoutines::_vector_float128_sinh = CAST_FROM_FN_PTR(address, __svml_sinhf4_ha_e9);
6447 StubRoutines::_vector_float256_sinh = CAST_FROM_FN_PTR(address, __svml_sinhf8_ha_e9);
6448 StubRoutines::_vector_double64_sinh = CAST_FROM_FN_PTR(address, __svml_sinh1_ha_e9);
6449 StubRoutines::_vector_double128_sinh = CAST_FROM_FN_PTR(address, __svml_sinh2_ha_e9);
6450 StubRoutines::_vector_double256_sinh = CAST_FROM_FN_PTR(address, __svml_sinh4_ha_e9);
6451 StubRoutines::_vector_float64_cosh = CAST_FROM_FN_PTR(address, __svml_coshf4_ha_e9);
6452 StubRoutines::_vector_float128_cosh = CAST_FROM_FN_PTR(address, __svml_coshf4_ha_e9);
6453 StubRoutines::_vector_float256_cosh = CAST_FROM_FN_PTR(address, __svml_coshf8_ha_e9);
6454 StubRoutines::_vector_double64_cosh = CAST_FROM_FN_PTR(address, __svml_cosh1_ha_e9);
6455 StubRoutines::_vector_double128_cosh = CAST_FROM_FN_PTR(address, __svml_cosh2_ha_e9);
6456 StubRoutines::_vector_double256_cosh = CAST_FROM_FN_PTR(address, __svml_cosh4_ha_e9);
6457 StubRoutines::_vector_float64_tanh = CAST_FROM_FN_PTR(address, __svml_tanhf4_ha_e9);
6458 StubRoutines::_vector_float128_tanh = CAST_FROM_FN_PTR(address, __svml_tanhf4_ha_e9);
6459 StubRoutines::_vector_float256_tanh = CAST_FROM_FN_PTR(address, __svml_tanhf8_ha_e9);
6460 StubRoutines::_vector_double64_tanh = CAST_FROM_FN_PTR(address, __svml_tanh1_ha_e9);
6461 StubRoutines::_vector_double128_tanh = CAST_FROM_FN_PTR(address, __svml_tanh2_ha_e9);
6462 StubRoutines::_vector_double256_tanh = CAST_FROM_FN_PTR(address, __svml_tanh4_ha_e9);
6463 StubRoutines::_vector_float64_acos = CAST_FROM_FN_PTR(address, __svml_acosf4_ha_e9);
6464 StubRoutines::_vector_float128_acos = CAST_FROM_FN_PTR(address, __svml_acosf4_ha_e9);
6465 StubRoutines::_vector_float256_acos = CAST_FROM_FN_PTR(address, __svml_acosf8_ha_e9);
6466 StubRoutines::_vector_double64_acos = CAST_FROM_FN_PTR(address, __svml_acos1_ha_e9);
6467 StubRoutines::_vector_double128_acos = CAST_FROM_FN_PTR(address, __svml_acos2_ha_e9);
6468 StubRoutines::_vector_double256_acos = CAST_FROM_FN_PTR(address, __svml_acos4_ha_e9);
6469 StubRoutines::_vector_float64_asin = CAST_FROM_FN_PTR(address, __svml_asinf4_ha_e9);
6470 StubRoutines::_vector_float128_asin = CAST_FROM_FN_PTR(address, __svml_asinf4_ha_e9);
6471 StubRoutines::_vector_float256_asin = CAST_FROM_FN_PTR(address, __svml_asinf8_ha_e9);
6472 StubRoutines::_vector_double64_asin = CAST_FROM_FN_PTR(address, __svml_asin1_ha_e9);
6473 StubRoutines::_vector_double128_asin = CAST_FROM_FN_PTR(address, __svml_asin2_ha_e9);
6474 StubRoutines::_vector_double256_asin = CAST_FROM_FN_PTR(address, __svml_asin4_ha_e9);
6475 StubRoutines::_vector_float64_atan = CAST_FROM_FN_PTR(address, __svml_atanf4_ha_e9);
6476 StubRoutines::_vector_float128_atan = CAST_FROM_FN_PTR(address, __svml_atanf4_ha_e9);
6477 StubRoutines::_vector_float256_atan = CAST_FROM_FN_PTR(address, __svml_atanf8_ha_e9);
6478 StubRoutines::_vector_double64_atan = CAST_FROM_FN_PTR(address, __svml_atan1_ha_e9);
6479 StubRoutines::_vector_double128_atan = CAST_FROM_FN_PTR(address, __svml_atan2_ha_e9);
6480 StubRoutines::_vector_double256_atan = CAST_FROM_FN_PTR(address, __svml_atan4_ha_e9);
6481 StubRoutines::_vector_float64_pow = CAST_FROM_FN_PTR(address, __svml_powf4_ha_e9);
6482 StubRoutines::_vector_float128_pow = CAST_FROM_FN_PTR(address, __svml_powf4_ha_e9);
6483 StubRoutines::_vector_float256_pow = CAST_FROM_FN_PTR(address, __svml_powf8_ha_e9);
6484 StubRoutines::_vector_double64_pow = CAST_FROM_FN_PTR(address, __svml_pow1_ha_e9);
6485 StubRoutines::_vector_double128_pow = CAST_FROM_FN_PTR(address, __svml_pow2_ha_e9);
6486 StubRoutines::_vector_double256_pow = CAST_FROM_FN_PTR(address, __svml_pow4_ha_e9);
6487 StubRoutines::_vector_float64_hypot = CAST_FROM_FN_PTR(address, __svml_hypotf4_ha_e9);
6488 StubRoutines::_vector_float128_hypot = CAST_FROM_FN_PTR(address, __svml_hypotf4_ha_e9);
6489 StubRoutines::_vector_float256_hypot = CAST_FROM_FN_PTR(address, __svml_hypotf8_ha_e9);
6490 StubRoutines::_vector_double64_hypot = CAST_FROM_FN_PTR(address, __svml_hypot1_ha_e9);
6491 StubRoutines::_vector_double128_hypot = CAST_FROM_FN_PTR(address, __svml_hypot2_ha_e9);
6492 StubRoutines::_vector_double256_hypot = CAST_FROM_FN_PTR(address, __svml_hypot4_ha_e9);
6493 StubRoutines::_vector_float64_cbrt = CAST_FROM_FN_PTR(address, __svml_cbrtf4_ha_e9);
6494 StubRoutines::_vector_float128_cbrt = CAST_FROM_FN_PTR(address, __svml_cbrtf4_ha_e9);
6495 StubRoutines::_vector_float256_cbrt = CAST_FROM_FN_PTR(address, __svml_cbrtf8_ha_e9);
6496 StubRoutines::_vector_double64_cbrt = CAST_FROM_FN_PTR(address, __svml_cbrt1_ha_e9);
6497 StubRoutines::_vector_double128_cbrt = CAST_FROM_FN_PTR(address, __svml_cbrt2_ha_e9);
6498 StubRoutines::_vector_double256_cbrt = CAST_FROM_FN_PTR(address, __svml_cbrt4_ha_e9);
6499 StubRoutines::_vector_float64_atan2 = CAST_FROM_FN_PTR(address, __svml_atan2f4_ha_e9);
6500 StubRoutines::_vector_float128_atan2 = CAST_FROM_FN_PTR(address, __svml_atan2f4_ha_e9);
6501 StubRoutines::_vector_float256_atan2 = CAST_FROM_FN_PTR(address, __svml_atan2f8_ha_e9);
6502 StubRoutines::_vector_double64_atan2 = CAST_FROM_FN_PTR(address, __svml_atan21_ha_e9);
6503 StubRoutines::_vector_double128_atan2 = CAST_FROM_FN_PTR(address, __svml_atan22_ha_e9);
6504 StubRoutines::_vector_double256_atan2 = CAST_FROM_FN_PTR(address, __svml_atan24_ha_e9);
6505 }
6506 else {
6507 StubRoutines::_vector_float64_exp = CAST_FROM_FN_PTR(address, __svml_expf4_ha_l9);
6508 StubRoutines::_vector_float128_exp = CAST_FROM_FN_PTR(address, __svml_expf4_ha_l9);
6509 StubRoutines::_vector_float256_exp = CAST_FROM_FN_PTR(address, __svml_expf8_ha_l9);
6510 StubRoutines::_vector_double64_exp = CAST_FROM_FN_PTR(address, __svml_exp1_ha_l9);
6511 StubRoutines::_vector_double128_exp = CAST_FROM_FN_PTR(address, __svml_exp2_ha_l9);
6512 StubRoutines::_vector_double256_exp = CAST_FROM_FN_PTR(address, __svml_exp4_ha_l9);
6513 StubRoutines::_vector_float64_expm1 = CAST_FROM_FN_PTR(address, __svml_expm1f4_ha_l9);
6514 StubRoutines::_vector_float128_expm1 = CAST_FROM_FN_PTR(address, __svml_expm1f4_ha_l9);
6515 StubRoutines::_vector_float256_expm1 = CAST_FROM_FN_PTR(address, __svml_expm1f8_ha_l9);
6516 StubRoutines::_vector_double64_expm1 = CAST_FROM_FN_PTR(address, __svml_expm11_ha_l9);
6517 StubRoutines::_vector_double128_expm1 = CAST_FROM_FN_PTR(address, __svml_expm12_ha_l9);
6518 StubRoutines::_vector_double256_expm1 = CAST_FROM_FN_PTR(address, __svml_expm14_ha_l9);
6519 StubRoutines::_vector_float64_log1p = CAST_FROM_FN_PTR(address, __svml_log1pf4_ha_l9);
6520 StubRoutines::_vector_float128_log1p = CAST_FROM_FN_PTR(address, __svml_log1pf4_ha_l9);
6521 StubRoutines::_vector_float256_log1p = CAST_FROM_FN_PTR(address, __svml_log1pf8_ha_l9);
6522 StubRoutines::_vector_double64_log1p = CAST_FROM_FN_PTR(address, __svml_log1p1_ha_l9);
6523 StubRoutines::_vector_double128_log1p = CAST_FROM_FN_PTR(address, __svml_log1p2_ha_l9);
6524 StubRoutines::_vector_double256_log1p = CAST_FROM_FN_PTR(address, __svml_log1p4_ha_l9);
6525 StubRoutines::_vector_float64_log = CAST_FROM_FN_PTR(address, __svml_logf4_ha_l9);
6526 StubRoutines::_vector_float128_log = CAST_FROM_FN_PTR(address, __svml_logf4_ha_l9);
6527 StubRoutines::_vector_float256_log = CAST_FROM_FN_PTR(address, __svml_logf8_ha_l9);
6528 StubRoutines::_vector_double64_log = CAST_FROM_FN_PTR(address, __svml_log1_ha_l9);
6529 StubRoutines::_vector_double128_log = CAST_FROM_FN_PTR(address, __svml_log2_ha_l9);
6530 StubRoutines::_vector_double256_log = CAST_FROM_FN_PTR(address, __svml_log4_ha_l9);
6531 StubRoutines::_vector_float64_log10 = CAST_FROM_FN_PTR(address, __svml_log10f4_ha_l9);
6532 StubRoutines::_vector_float128_log10 = CAST_FROM_FN_PTR(address, __svml_log10f4_ha_l9);
6533 StubRoutines::_vector_float256_log10 = CAST_FROM_FN_PTR(address, __svml_log10f8_ha_l9);
6534 StubRoutines::_vector_double64_log10 = CAST_FROM_FN_PTR(address, __svml_log101_ha_l9);
6535 StubRoutines::_vector_double128_log10 = CAST_FROM_FN_PTR(address, __svml_log102_ha_l9);
6536 StubRoutines::_vector_double256_log10 = CAST_FROM_FN_PTR(address, __svml_log104_ha_l9);
6537 StubRoutines::_vector_float64_sin = CAST_FROM_FN_PTR(address, __svml_sinf4_ha_l9);
6538 StubRoutines::_vector_float128_sin = CAST_FROM_FN_PTR(address, __svml_sinf4_ha_l9);
6539 StubRoutines::_vector_float256_sin = CAST_FROM_FN_PTR(address, __svml_sinf8_ha_l9);
6540 StubRoutines::_vector_double64_sin = CAST_FROM_FN_PTR(address, __svml_sin1_ha_l9);
6541 StubRoutines::_vector_double128_sin = CAST_FROM_FN_PTR(address, __svml_sin2_ha_l9);
6542 StubRoutines::_vector_double256_sin = CAST_FROM_FN_PTR(address, __svml_sin4_ha_l9);
6543 StubRoutines::_vector_float64_cos = CAST_FROM_FN_PTR(address, __svml_cosf4_ha_l9);
6544 StubRoutines::_vector_float128_cos = CAST_FROM_FN_PTR(address, __svml_cosf4_ha_l9);
6545 StubRoutines::_vector_float256_cos = CAST_FROM_FN_PTR(address, __svml_cosf8_ha_l9);
6546 StubRoutines::_vector_double64_cos = CAST_FROM_FN_PTR(address, __svml_cos1_ha_l9);
6547 StubRoutines::_vector_double128_cos = CAST_FROM_FN_PTR(address, __svml_cos2_ha_l9);
6548 StubRoutines::_vector_double256_cos = CAST_FROM_FN_PTR(address, __svml_cos4_ha_l9);
6549 StubRoutines::_vector_float64_tan = CAST_FROM_FN_PTR(address, __svml_tanf4_ha_l9);
6550 StubRoutines::_vector_float128_tan = CAST_FROM_FN_PTR(address, __svml_tanf4_ha_l9);
6551 StubRoutines::_vector_float256_tan = CAST_FROM_FN_PTR(address, __svml_tanf8_ha_l9);
6552 StubRoutines::_vector_double64_tan = CAST_FROM_FN_PTR(address, __svml_tan1_ha_l9);
6553 StubRoutines::_vector_double128_tan = CAST_FROM_FN_PTR(address, __svml_tan2_ha_l9);
6554 StubRoutines::_vector_double256_tan = CAST_FROM_FN_PTR(address, __svml_tan4_ha_l9);
6555 StubRoutines::_vector_float64_sinh = CAST_FROM_FN_PTR(address, __svml_sinhf4_ha_l9);
6556 StubRoutines::_vector_float128_sinh = CAST_FROM_FN_PTR(address, __svml_sinhf4_ha_l9);
6557 StubRoutines::_vector_float256_sinh = CAST_FROM_FN_PTR(address, __svml_sinhf8_ha_l9);
6558 StubRoutines::_vector_double64_sinh = CAST_FROM_FN_PTR(address, __svml_sinh1_ha_l9);
6559 StubRoutines::_vector_double128_sinh = CAST_FROM_FN_PTR(address, __svml_sinh2_ha_l9);
6560 StubRoutines::_vector_double256_sinh = CAST_FROM_FN_PTR(address, __svml_sinh4_ha_l9);
6561 StubRoutines::_vector_float64_cosh = CAST_FROM_FN_PTR(address, __svml_coshf4_ha_l9);
6562 StubRoutines::_vector_float128_cosh = CAST_FROM_FN_PTR(address, __svml_coshf4_ha_l9);
6563 StubRoutines::_vector_float256_cosh = CAST_FROM_FN_PTR(address, __svml_coshf8_ha_l9);
6564 StubRoutines::_vector_double64_cosh = CAST_FROM_FN_PTR(address, __svml_cosh1_ha_l9);
6565 StubRoutines::_vector_double128_cosh = CAST_FROM_FN_PTR(address, __svml_cosh2_ha_l9);
6566 StubRoutines::_vector_double256_cosh = CAST_FROM_FN_PTR(address, __svml_cosh4_ha_l9);
6567 StubRoutines::_vector_float64_tanh = CAST_FROM_FN_PTR(address, __svml_tanhf4_ha_l9);
6568 StubRoutines::_vector_float128_tanh = CAST_FROM_FN_PTR(address, __svml_tanhf4_ha_l9);
6569 StubRoutines::_vector_float256_tanh = CAST_FROM_FN_PTR(address, __svml_tanhf8_ha_l9);
6570 StubRoutines::_vector_double64_tanh = CAST_FROM_FN_PTR(address, __svml_tanh1_ha_l9);
6571 StubRoutines::_vector_double128_tanh = CAST_FROM_FN_PTR(address, __svml_tanh2_ha_l9);
6572 StubRoutines::_vector_double256_tanh = CAST_FROM_FN_PTR(address, __svml_tanh4_ha_l9);
6573 StubRoutines::_vector_float64_acos = CAST_FROM_FN_PTR(address, __svml_acosf4_ha_l9);
6574 StubRoutines::_vector_float128_acos = CAST_FROM_FN_PTR(address, __svml_acosf4_ha_l9);
6575 StubRoutines::_vector_float256_acos = CAST_FROM_FN_PTR(address, __svml_acosf8_ha_l9);
6576 StubRoutines::_vector_double64_acos = CAST_FROM_FN_PTR(address, __svml_acos1_ha_l9);
6577 StubRoutines::_vector_double128_acos = CAST_FROM_FN_PTR(address, __svml_acos2_ha_l9);
6578 StubRoutines::_vector_double256_acos = CAST_FROM_FN_PTR(address, __svml_acos4_ha_l9);
6579 StubRoutines::_vector_float64_asin = CAST_FROM_FN_PTR(address, __svml_asinf4_ha_l9);
6580 StubRoutines::_vector_float128_asin = CAST_FROM_FN_PTR(address, __svml_asinf4_ha_l9);
6581 StubRoutines::_vector_float256_asin = CAST_FROM_FN_PTR(address, __svml_asinf8_ha_l9);
6582 StubRoutines::_vector_double64_asin = CAST_FROM_FN_PTR(address, __svml_asin1_ha_l9);
6583 StubRoutines::_vector_double128_asin = CAST_FROM_FN_PTR(address, __svml_asin2_ha_l9);
6584 StubRoutines::_vector_double256_asin = CAST_FROM_FN_PTR(address, __svml_asin4_ha_l9);
6585 StubRoutines::_vector_float64_atan = CAST_FROM_FN_PTR(address, __svml_atanf4_ha_l9);
6586 StubRoutines::_vector_float128_atan = CAST_FROM_FN_PTR(address, __svml_atanf4_ha_l9);
6587 StubRoutines::_vector_float256_atan = CAST_FROM_FN_PTR(address, __svml_atanf8_ha_l9);
6588 StubRoutines::_vector_double64_atan = CAST_FROM_FN_PTR(address, __svml_atan1_ha_l9);
6589 StubRoutines::_vector_double128_atan = CAST_FROM_FN_PTR(address, __svml_atan2_ha_l9);
6590 StubRoutines::_vector_double256_atan = CAST_FROM_FN_PTR(address, __svml_atan4_ha_l9);
6591 StubRoutines::_vector_float64_pow = CAST_FROM_FN_PTR(address, __svml_powf4_ha_l9);
6592 StubRoutines::_vector_float128_pow = CAST_FROM_FN_PTR(address, __svml_powf4_ha_l9);
6593 StubRoutines::_vector_float256_pow = CAST_FROM_FN_PTR(address, __svml_powf8_ha_l9);
6594 StubRoutines::_vector_double64_pow = CAST_FROM_FN_PTR(address, __svml_pow1_ha_l9);
6595 StubRoutines::_vector_double128_pow = CAST_FROM_FN_PTR(address, __svml_pow2_ha_l9);
6596 StubRoutines::_vector_double256_pow = CAST_FROM_FN_PTR(address, __svml_pow4_ha_l9);
6597 StubRoutines::_vector_float64_hypot = CAST_FROM_FN_PTR(address, __svml_hypotf4_ha_l9);
6598 StubRoutines::_vector_float128_hypot = CAST_FROM_FN_PTR(address, __svml_hypotf4_ha_l9);
6599 StubRoutines::_vector_float256_hypot = CAST_FROM_FN_PTR(address, __svml_hypotf8_ha_l9);
6600 StubRoutines::_vector_double64_hypot = CAST_FROM_FN_PTR(address, __svml_hypot1_ha_l9);
6601 StubRoutines::_vector_double128_hypot = CAST_FROM_FN_PTR(address, __svml_hypot2_ha_l9);
6602 StubRoutines::_vector_double256_hypot = CAST_FROM_FN_PTR(address, __svml_hypot4_ha_l9);
6603 StubRoutines::_vector_float64_cbrt = CAST_FROM_FN_PTR(address, __svml_cbrtf4_ha_l9);
6604 StubRoutines::_vector_float128_cbrt = CAST_FROM_FN_PTR(address, __svml_cbrtf4_ha_l9);
6605 StubRoutines::_vector_float256_cbrt = CAST_FROM_FN_PTR(address, __svml_cbrtf8_ha_l9);
6606 StubRoutines::_vector_double64_cbrt = CAST_FROM_FN_PTR(address, __svml_cbrt1_ha_l9);
6607 StubRoutines::_vector_double128_cbrt = CAST_FROM_FN_PTR(address, __svml_cbrt2_ha_l9);
6608 StubRoutines::_vector_double256_cbrt = CAST_FROM_FN_PTR(address, __svml_cbrt4_ha_l9);
6609 StubRoutines::_vector_float64_atan2 = CAST_FROM_FN_PTR(address, __svml_atan2f4_ha_l9);
6610 StubRoutines::_vector_float128_atan2 = CAST_FROM_FN_PTR(address, __svml_atan2f4_ha_l9);
6611 StubRoutines::_vector_float256_atan2 = CAST_FROM_FN_PTR(address, __svml_atan2f8_ha_l9);
6612 StubRoutines::_vector_double64_atan2 = CAST_FROM_FN_PTR(address, __svml_atan21_ha_l9);
6613 StubRoutines::_vector_double128_atan2 = CAST_FROM_FN_PTR(address, __svml_atan22_ha_l9);
6614 StubRoutines::_vector_double256_atan2 = CAST_FROM_FN_PTR(address, __svml_atan24_ha_l9);
6615 }
6616
6617
6618 } else if (UseSSE>=2) {
6619 StubRoutines::_vector_float64_exp = CAST_FROM_FN_PTR(address, __svml_expf4_ha_ex);
6620 StubRoutines::_vector_float128_exp = CAST_FROM_FN_PTR(address, __svml_expf4_ha_ex);
6621 StubRoutines::_vector_double64_exp = CAST_FROM_FN_PTR(address, __svml_exp1_ha_ex);
6622 StubRoutines::_vector_double128_exp = CAST_FROM_FN_PTR(address, __svml_exp2_ha_ex);
6623 StubRoutines::_vector_float64_expm1 = CAST_FROM_FN_PTR(address, __svml_expm1f4_ha_ex);
6624 StubRoutines::_vector_float128_expm1 = CAST_FROM_FN_PTR(address, __svml_expm1f4_ha_ex);
6625 StubRoutines::_vector_double64_expm1 = CAST_FROM_FN_PTR(address, __svml_expm11_ha_ex);
6626 StubRoutines::_vector_double128_expm1 = CAST_FROM_FN_PTR(address, __svml_expm12_ha_ex);
6627 StubRoutines::_vector_float64_acos = CAST_FROM_FN_PTR(address, __svml_acosf4_ha_ex);
6628 StubRoutines::_vector_float128_acos = CAST_FROM_FN_PTR(address, __svml_acosf4_ha_ex);
6629 StubRoutines::_vector_double64_acos = CAST_FROM_FN_PTR(address, __svml_acos1_ha_ex);
6630 StubRoutines::_vector_double128_acos = CAST_FROM_FN_PTR(address, __svml_acos2_ha_ex);
6631 StubRoutines::_vector_float64_asin = CAST_FROM_FN_PTR(address, __svml_asinf4_ha_ex);
6632 StubRoutines::_vector_float128_asin = CAST_FROM_FN_PTR(address, __svml_asinf4_ha_ex);
6633 StubRoutines::_vector_double64_asin = CAST_FROM_FN_PTR(address, __svml_asin1_ha_ex);
6634 StubRoutines::_vector_double128_asin = CAST_FROM_FN_PTR(address, __svml_asin2_ha_ex);
6635 StubRoutines::_vector_float64_atan = CAST_FROM_FN_PTR(address, __svml_atanf4_ha_ex);
6636 StubRoutines::_vector_float128_atan = CAST_FROM_FN_PTR(address, __svml_atanf4_ha_ex);
6637 StubRoutines::_vector_double64_atan = CAST_FROM_FN_PTR(address, __svml_atan1_ha_ex);
6638 StubRoutines::_vector_double128_atan = CAST_FROM_FN_PTR(address, __svml_atan2_ha_ex);
6639 StubRoutines::_vector_float64_sin = CAST_FROM_FN_PTR(address, __svml_sinf4_ha_ex);
6640 StubRoutines::_vector_float128_sin = CAST_FROM_FN_PTR(address, __svml_sinf4_ha_ex);
6641 StubRoutines::_vector_double64_sin = CAST_FROM_FN_PTR(address, __svml_sin1_ha_ex);
6642 StubRoutines::_vector_double128_sin = CAST_FROM_FN_PTR(address, __svml_sin2_ha_ex);
6643 StubRoutines::_vector_float64_cos = CAST_FROM_FN_PTR(address, __svml_cosf4_ha_ex);
6644 StubRoutines::_vector_float128_cos = CAST_FROM_FN_PTR(address, __svml_cosf4_ha_ex);
6645 StubRoutines::_vector_double64_cos = CAST_FROM_FN_PTR(address, __svml_cos1_ha_ex);
6646 StubRoutines::_vector_double128_cos = CAST_FROM_FN_PTR(address, __svml_cos2_ha_ex);
6647 StubRoutines::_vector_float64_tan = CAST_FROM_FN_PTR(address, __svml_tanf4_ha_ex);
6648 StubRoutines::_vector_float128_tan = CAST_FROM_FN_PTR(address, __svml_tanf4_ha_ex);
6649 StubRoutines::_vector_double64_tan = CAST_FROM_FN_PTR(address, __svml_tan1_ha_ex);
6650 StubRoutines::_vector_double128_tan = CAST_FROM_FN_PTR(address, __svml_tan2_ha_ex);
6651 StubRoutines::_vector_float64_sinh = CAST_FROM_FN_PTR(address, __svml_sinhf4_ha_ex);
6652 StubRoutines::_vector_float128_sinh = CAST_FROM_FN_PTR(address, __svml_sinhf4_ha_ex);
6653 StubRoutines::_vector_double64_sinh = CAST_FROM_FN_PTR(address, __svml_sinh1_ha_ex);
6654 StubRoutines::_vector_double128_sinh = CAST_FROM_FN_PTR(address, __svml_sinh2_ha_ex);
6655 StubRoutines::_vector_float64_cosh = CAST_FROM_FN_PTR(address, __svml_coshf4_ha_ex);
6656 StubRoutines::_vector_float128_cosh = CAST_FROM_FN_PTR(address, __svml_coshf4_ha_ex);
6657 StubRoutines::_vector_double64_cosh = CAST_FROM_FN_PTR(address, __svml_cosh1_ha_ex);
6658 StubRoutines::_vector_double128_cosh = CAST_FROM_FN_PTR(address, __svml_cosh2_ha_ex);
6659 StubRoutines::_vector_float64_tanh = CAST_FROM_FN_PTR(address, __svml_tanhf4_ha_ex);
6660 StubRoutines::_vector_float128_tanh = CAST_FROM_FN_PTR(address, __svml_tanhf4_ha_ex);
6661 StubRoutines::_vector_double64_tanh = CAST_FROM_FN_PTR(address, __svml_tanh1_ha_ex);
6662 StubRoutines::_vector_double128_tanh = CAST_FROM_FN_PTR(address, __svml_tanh2_ha_ex);
6663 StubRoutines::_vector_float64_log = CAST_FROM_FN_PTR(address, __svml_logf4_ha_ex);
6664 StubRoutines::_vector_float128_log = CAST_FROM_FN_PTR(address, __svml_logf4_ha_ex);
6665 StubRoutines::_vector_double64_log = CAST_FROM_FN_PTR(address, __svml_log1_ha_ex);
6666 StubRoutines::_vector_double128_log = CAST_FROM_FN_PTR(address, __svml_log2_ha_ex);
6667 StubRoutines::_vector_float64_log10 = CAST_FROM_FN_PTR(address, __svml_log10f4_ha_ex);
6668 StubRoutines::_vector_float128_log10 = CAST_FROM_FN_PTR(address, __svml_log10f4_ha_ex);
6669 StubRoutines::_vector_double64_log10 = CAST_FROM_FN_PTR(address, __svml_log101_ha_ex);
6670 StubRoutines::_vector_double128_log10 = CAST_FROM_FN_PTR(address, __svml_log102_ha_ex);
6671 StubRoutines::_vector_float64_log1p = CAST_FROM_FN_PTR(address, __svml_log1pf4_ha_ex);
6672 StubRoutines::_vector_float128_log1p = CAST_FROM_FN_PTR(address, __svml_log1pf4_ha_ex);
6673 StubRoutines::_vector_double64_log1p = CAST_FROM_FN_PTR(address, __svml_log1p1_ha_ex);
6674 StubRoutines::_vector_double128_log1p = CAST_FROM_FN_PTR(address, __svml_log1p2_ha_ex);
6675 StubRoutines::_vector_float64_atan2 = CAST_FROM_FN_PTR(address, __svml_atan2f4_ha_ex);
6676 StubRoutines::_vector_float128_atan2 = CAST_FROM_FN_PTR(address, __svml_atan2f4_ha_ex);
6677 StubRoutines::_vector_double64_atan2 = CAST_FROM_FN_PTR(address, __svml_atan21_ha_ex);
6678 StubRoutines::_vector_double128_atan2 = CAST_FROM_FN_PTR(address, __svml_atan22_ha_ex);
6679 StubRoutines::_vector_float64_hypot = CAST_FROM_FN_PTR(address, __svml_hypotf4_ha_ex);
6680 StubRoutines::_vector_float128_hypot = CAST_FROM_FN_PTR(address, __svml_hypotf4_ha_ex);
6681 StubRoutines::_vector_double64_hypot = CAST_FROM_FN_PTR(address, __svml_hypot1_ha_ex);
6682 StubRoutines::_vector_double128_hypot = CAST_FROM_FN_PTR(address, __svml_hypot2_ha_ex);
6683 StubRoutines::_vector_float64_pow = CAST_FROM_FN_PTR(address, __svml_powf4_ha_ex);
6684 StubRoutines::_vector_float128_pow = CAST_FROM_FN_PTR(address, __svml_powf4_ha_ex);
6685 StubRoutines::_vector_double64_pow = CAST_FROM_FN_PTR(address, __svml_pow1_ha_ex);
6686 StubRoutines::_vector_double128_pow = CAST_FROM_FN_PTR(address, __svml_pow2_ha_ex);
6687 StubRoutines::_vector_float64_cbrt = CAST_FROM_FN_PTR(address, __svml_cbrtf4_ha_ex);
6688 StubRoutines::_vector_float128_cbrt = CAST_FROM_FN_PTR(address, __svml_cbrtf4_ha_ex);
6689 StubRoutines::_vector_double64_cbrt = CAST_FROM_FN_PTR(address, __svml_cbrt1_ha_ex);
6690 StubRoutines::_vector_double128_cbrt = CAST_FROM_FN_PTR(address, __svml_cbrt2_ha_ex);
6691 }
6692 }
6693 #endif
6694 }
6695
6696 public:
6697 StubGenerator(CodeBuffer* code, bool all) : StubCodeGenerator(code) {
6698 if (all) {
6699 generate_all();
6700 } else {
6701 generate_initial();
6702 }
6703 }
6704 }; // end class declaration
6705
6706 void StubGenerator_generate(CodeBuffer* code, bool all) {
6707 StubGenerator g(code, all);
6708 }