1 /*
2 * Copyright (c) 1997, 2018, 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.
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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
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23 */
24
25 #ifndef CPU_X86_VM_MACROASSEMBLER_X86_HPP
26 #define CPU_X86_VM_MACROASSEMBLER_X86_HPP
27
28 #include "asm/assembler.hpp"
29 #include "utilities/macros.hpp"
30 #include "runtime/rtmLocking.hpp"
31
32 // MacroAssembler extends Assembler by frequently used macros.
33 //
34 // Instructions for which a 'better' code sequence exists depending
35 // on arguments should also go in here.
36
37 class MacroAssembler: public Assembler {
38 friend class LIR_Assembler;
39 friend class Runtime1; // as_Address()
40
41 public:
42 // Support for VM calls
43 //
44 // This is the base routine called by the different versions of call_VM_leaf. The interpreter
45 // may customize this version by overriding it for its purposes (e.g., to save/restore
46 // additional registers when doing a VM call).
47
48 virtual void call_VM_leaf_base(
49 address entry_point, // the entry point
50 int number_of_arguments // the number of arguments to pop after the call
51 );
52
53 protected:
54 // This is the base routine called by the different versions of call_VM. The interpreter
55 // may customize this version by overriding it for its purposes (e.g., to save/restore
56 // additional registers when doing a VM call).
57 //
58 // If no java_thread register is specified (noreg) than rdi will be used instead. call_VM_base
59 // returns the register which contains the thread upon return. If a thread register has been
60 // specified, the return value will correspond to that register. If no last_java_sp is specified
61 // (noreg) than rsp will be used instead.
62 virtual void call_VM_base( // returns the register containing the thread upon return
63 Register oop_result, // where an oop-result ends up if any; use noreg otherwise
64 Register java_thread, // the thread if computed before ; use noreg otherwise
65 Register last_java_sp, // to set up last_Java_frame in stubs; use noreg otherwise
66 address entry_point, // the entry point
67 int number_of_arguments, // the number of arguments (w/o thread) to pop after the call
68 bool check_exceptions // whether to check for pending exceptions after return
69 );
70
71 void call_VM_helper(Register oop_result, address entry_point, int number_of_arguments, bool check_exceptions = true);
72
73 // helpers for FPU flag access
74 // tmp is a temporary register, if none is available use noreg
75 void save_rax (Register tmp);
76 void restore_rax(Register tmp);
77
78 public:
79 MacroAssembler(CodeBuffer* code) : Assembler(code) {}
80
81 // These routines should emit JVMTI PopFrame and ForceEarlyReturn handling code.
82 // The implementation is only non-empty for the InterpreterMacroAssembler,
83 // as only the interpreter handles PopFrame and ForceEarlyReturn requests.
84 virtual void check_and_handle_popframe(Register java_thread);
85 virtual void check_and_handle_earlyret(Register java_thread);
86
87 Address as_Address(AddressLiteral adr);
88 Address as_Address(ArrayAddress adr);
89
90 // Support for NULL-checks
91 //
92 // Generates code that causes a NULL OS exception if the content of reg is NULL.
93 // If the accessed location is M[reg + offset] and the offset is known, provide the
94 // offset. No explicit code generation is needed if the offset is within a certain
95 // range (0 <= offset <= page_size).
96
97 void null_check(Register reg, int offset = -1);
98 static bool needs_explicit_null_check(intptr_t offset);
99 static bool uses_implicit_null_check(void* address);
100
101 // Required platform-specific helpers for Label::patch_instructions.
102 // They _shadow_ the declarations in AbstractAssembler, which are undefined.
103 void pd_patch_instruction(address branch, address target, const char* file, int line) {
104 unsigned char op = branch[0];
105 assert(op == 0xE8 /* call */ ||
106 op == 0xE9 /* jmp */ ||
107 op == 0xEB /* short jmp */ ||
108 (op & 0xF0) == 0x70 /* short jcc */ ||
109 op == 0x0F && (branch[1] & 0xF0) == 0x80 /* jcc */ ||
110 op == 0xC7 && branch[1] == 0xF8 /* xbegin */,
111 "Invalid opcode at patch point");
112
113 if (op == 0xEB || (op & 0xF0) == 0x70) {
114 // short offset operators (jmp and jcc)
115 char* disp = (char*) &branch[1];
116 int imm8 = target - (address) &disp[1];
117 guarantee(this->is8bit(imm8), "Short forward jump exceeds 8-bit offset at %s:%d", file, line);
118 *disp = imm8;
119 } else {
120 int* disp = (int*) &branch[(op == 0x0F || op == 0xC7)? 2: 1];
121 int imm32 = target - (address) &disp[1];
122 *disp = imm32;
123 }
124 }
125
126 // The following 4 methods return the offset of the appropriate move instruction
127
128 // Support for fast byte/short loading with zero extension (depending on particular CPU)
129 int load_unsigned_byte(Register dst, Address src);
130 int load_unsigned_short(Register dst, Address src);
131
132 // Support for fast byte/short loading with sign extension (depending on particular CPU)
133 int load_signed_byte(Register dst, Address src);
134 int load_signed_short(Register dst, Address src);
135
136 // Support for sign-extension (hi:lo = extend_sign(lo))
137 void extend_sign(Register hi, Register lo);
138
139 // Load and store values by size and signed-ness
140 void load_sized_value(Register dst, Address src, size_t size_in_bytes, bool is_signed, Register dst2 = noreg);
141 void store_sized_value(Address dst, Register src, size_t size_in_bytes, Register src2 = noreg);
142
143 // Support for inc/dec with optimal instruction selection depending on value
144
145 void increment(Register reg, int value = 1) { LP64_ONLY(incrementq(reg, value)) NOT_LP64(incrementl(reg, value)) ; }
146 void decrement(Register reg, int value = 1) { LP64_ONLY(decrementq(reg, value)) NOT_LP64(decrementl(reg, value)) ; }
147
148 void decrementl(Address dst, int value = 1);
149 void decrementl(Register reg, int value = 1);
150
151 void decrementq(Register reg, int value = 1);
152 void decrementq(Address dst, int value = 1);
153
154 void incrementl(Address dst, int value = 1);
155 void incrementl(Register reg, int value = 1);
156
157 void incrementq(Register reg, int value = 1);
158 void incrementq(Address dst, int value = 1);
159
160 #ifdef COMPILER2
161 // special instructions for EVEX
162 void setvectmask(Register dst, Register src);
163 void restorevectmask();
164 #endif
165
166 // Support optimal SSE move instructions.
167 void movflt(XMMRegister dst, XMMRegister src) {
168 if (UseXmmRegToRegMoveAll) { movaps(dst, src); return; }
169 else { movss (dst, src); return; }
170 }
171 void movflt(XMMRegister dst, Address src) { movss(dst, src); }
172 void movflt(XMMRegister dst, AddressLiteral src);
173 void movflt(Address dst, XMMRegister src) { movss(dst, src); }
174
175 void movdbl(XMMRegister dst, XMMRegister src) {
176 if (UseXmmRegToRegMoveAll) { movapd(dst, src); return; }
177 else { movsd (dst, src); return; }
178 }
179
180 void movdbl(XMMRegister dst, AddressLiteral src);
181
182 void movdbl(XMMRegister dst, Address src) {
183 if (UseXmmLoadAndClearUpper) { movsd (dst, src); return; }
184 else { movlpd(dst, src); return; }
185 }
186 void movdbl(Address dst, XMMRegister src) { movsd(dst, src); }
187
188 void incrementl(AddressLiteral dst);
189 void incrementl(ArrayAddress dst);
190
191 void incrementq(AddressLiteral dst);
192
193 // Alignment
194 void align(int modulus);
195 void align(int modulus, int target);
196
197 // A 5 byte nop that is safe for patching (see patch_verified_entry)
198 void fat_nop();
199
200 // Stack frame creation/removal
201 void enter();
202 void leave();
203
204 // Support for getting the JavaThread pointer (i.e.; a reference to thread-local information)
205 // The pointer will be loaded into the thread register.
206 void get_thread(Register thread);
207
208
209 // Support for VM calls
210 //
211 // It is imperative that all calls into the VM are handled via the call_VM macros.
212 // They make sure that the stack linkage is setup correctly. call_VM's correspond
213 // to ENTRY/ENTRY_X entry points while call_VM_leaf's correspond to LEAF entry points.
214
215
216 void call_VM(Register oop_result,
217 address entry_point,
218 bool check_exceptions = true);
219 void call_VM(Register oop_result,
220 address entry_point,
221 Register arg_1,
222 bool check_exceptions = true);
223 void call_VM(Register oop_result,
224 address entry_point,
225 Register arg_1, Register arg_2,
226 bool check_exceptions = true);
227 void call_VM(Register oop_result,
228 address entry_point,
229 Register arg_1, Register arg_2, Register arg_3,
230 bool check_exceptions = true);
231
232 // Overloadings with last_Java_sp
233 void call_VM(Register oop_result,
234 Register last_java_sp,
235 address entry_point,
236 int number_of_arguments = 0,
237 bool check_exceptions = true);
238 void call_VM(Register oop_result,
239 Register last_java_sp,
240 address entry_point,
241 Register arg_1, bool
242 check_exceptions = true);
243 void call_VM(Register oop_result,
244 Register last_java_sp,
245 address entry_point,
246 Register arg_1, Register arg_2,
247 bool check_exceptions = true);
248 void call_VM(Register oop_result,
249 Register last_java_sp,
250 address entry_point,
251 Register arg_1, Register arg_2, Register arg_3,
252 bool check_exceptions = true);
253
254 void get_vm_result (Register oop_result, Register thread);
255 void get_vm_result_2(Register metadata_result, Register thread);
256
257 // These always tightly bind to MacroAssembler::call_VM_base
258 // bypassing the virtual implementation
259 void super_call_VM(Register oop_result, Register last_java_sp, address entry_point, int number_of_arguments = 0, bool check_exceptions = true);
260 void super_call_VM(Register oop_result, Register last_java_sp, address entry_point, Register arg_1, bool check_exceptions = true);
261 void super_call_VM(Register oop_result, Register last_java_sp, address entry_point, Register arg_1, Register arg_2, bool check_exceptions = true);
262 void super_call_VM(Register oop_result, Register last_java_sp, address entry_point, Register arg_1, Register arg_2, Register arg_3, bool check_exceptions = true);
263 void super_call_VM(Register oop_result, Register last_java_sp, address entry_point, Register arg_1, Register arg_2, Register arg_3, Register arg_4, bool check_exceptions = true);
264
265 void call_VM_leaf0(address entry_point);
266 void call_VM_leaf(address entry_point,
267 int number_of_arguments = 0);
268 void call_VM_leaf(address entry_point,
269 Register arg_1);
270 void call_VM_leaf(address entry_point,
271 Register arg_1, Register arg_2);
272 void call_VM_leaf(address entry_point,
273 Register arg_1, Register arg_2, Register arg_3);
274
275 // These always tightly bind to MacroAssembler::call_VM_leaf_base
276 // bypassing the virtual implementation
277 void super_call_VM_leaf(address entry_point);
278 void super_call_VM_leaf(address entry_point, Register arg_1);
279 void super_call_VM_leaf(address entry_point, Register arg_1, Register arg_2);
280 void super_call_VM_leaf(address entry_point, Register arg_1, Register arg_2, Register arg_3);
281 void super_call_VM_leaf(address entry_point, Register arg_1, Register arg_2, Register arg_3, Register arg_4);
282
283 // last Java Frame (fills frame anchor)
284 void set_last_Java_frame(Register thread,
285 Register last_java_sp,
286 Register last_java_fp,
287 address last_java_pc);
288
289 // thread in the default location (r15_thread on 64bit)
290 void set_last_Java_frame(Register last_java_sp,
291 Register last_java_fp,
292 address last_java_pc);
293
294 void reset_last_Java_frame(Register thread, bool clear_fp);
295
296 // thread in the default location (r15_thread on 64bit)
297 void reset_last_Java_frame(bool clear_fp);
298
299 // jobjects
300 void clear_jweak_tag(Register possibly_jweak);
301 void resolve_jobject(Register value, Register thread, Register tmp);
302
303 // C 'boolean' to Java boolean: x == 0 ? 0 : 1
304 void c2bool(Register x);
305
306 // C++ bool manipulation
307
308 void movbool(Register dst, Address src);
309 void movbool(Address dst, bool boolconst);
310 void movbool(Address dst, Register src);
311 void testbool(Register dst);
312
313 void resolve_oop_handle(Register result, Register tmp = rscratch2);
314 void load_mirror(Register mirror, Register method, Register tmp = rscratch2);
315
316 // oop manipulations
317 void load_klass(Register dst, Register src);
318 void store_klass(Register dst, Register src);
319
320 void access_load_at(BasicType type, DecoratorSet decorators, Register dst, Address src,
321 Register tmp1, Register thread_tmp);
322 void access_store_at(BasicType type, DecoratorSet decorators, Address dst, Register src,
323 Register tmp1, Register tmp2);
324
325 // Resolves obj access. Result is placed in the same register.
326 // All other registers are preserved.
327 void resolve(DecoratorSet decorators, Register obj);
328
329 void load_heap_oop(Register dst, Address src, Register tmp1 = noreg,
330 Register thread_tmp = noreg, DecoratorSet decorators = 0);
331 void load_heap_oop_not_null(Register dst, Address src, Register tmp1 = noreg,
332 Register thread_tmp = noreg, DecoratorSet decorators = 0);
333 void store_heap_oop(Address dst, Register src, Register tmp1 = noreg,
334 Register tmp2 = noreg, DecoratorSet decorators = 0);
335
336 // Used for storing NULL. All other oop constants should be
337 // stored using routines that take a jobject.
338 void store_heap_oop_null(Address dst);
339
340 void load_prototype_header(Register dst, Register src);
341
342 #ifdef _LP64
343 void store_klass_gap(Register dst, Register src);
344
345 // This dummy is to prevent a call to store_heap_oop from
346 // converting a zero (like NULL) into a Register by giving
347 // the compiler two choices it can't resolve
348
349 void store_heap_oop(Address dst, void* dummy);
350
351 void encode_heap_oop(Register r);
352 void decode_heap_oop(Register r);
353 void encode_heap_oop_not_null(Register r);
354 void decode_heap_oop_not_null(Register r);
355 void encode_heap_oop_not_null(Register dst, Register src);
356 void decode_heap_oop_not_null(Register dst, Register src);
357
358 void set_narrow_oop(Register dst, jobject obj);
359 void set_narrow_oop(Address dst, jobject obj);
360 void cmp_narrow_oop(Register dst, jobject obj);
361 void cmp_narrow_oop(Address dst, jobject obj);
362
363 void encode_klass_not_null(Register r);
364 void decode_klass_not_null(Register r);
365 void encode_klass_not_null(Register dst, Register src);
366 void decode_klass_not_null(Register dst, Register src);
367 void set_narrow_klass(Register dst, Klass* k);
368 void set_narrow_klass(Address dst, Klass* k);
369 void cmp_narrow_klass(Register dst, Klass* k);
370 void cmp_narrow_klass(Address dst, Klass* k);
371
372 // Returns the byte size of the instructions generated by decode_klass_not_null()
373 // when compressed klass pointers are being used.
374 static int instr_size_for_decode_klass_not_null();
375
376 // if heap base register is used - reinit it with the correct value
377 void reinit_heapbase();
378
379 DEBUG_ONLY(void verify_heapbase(const char* msg);)
380
381 #endif // _LP64
382
383 // Int division/remainder for Java
384 // (as idivl, but checks for special case as described in JVM spec.)
385 // returns idivl instruction offset for implicit exception handling
386 int corrected_idivl(Register reg);
387
388 // Long division/remainder for Java
389 // (as idivq, but checks for special case as described in JVM spec.)
390 // returns idivq instruction offset for implicit exception handling
391 int corrected_idivq(Register reg);
392
393 void int3();
394
395 // Long operation macros for a 32bit cpu
396 // Long negation for Java
397 void lneg(Register hi, Register lo);
398
399 // Long multiplication for Java
400 // (destroys contents of eax, ebx, ecx and edx)
401 void lmul(int x_rsp_offset, int y_rsp_offset); // rdx:rax = x * y
402
403 // Long shifts for Java
404 // (semantics as described in JVM spec.)
405 void lshl(Register hi, Register lo); // hi:lo << (rcx & 0x3f)
406 void lshr(Register hi, Register lo, bool sign_extension = false); // hi:lo >> (rcx & 0x3f)
407
408 // Long compare for Java
409 // (semantics as described in JVM spec.)
410 void lcmp2int(Register x_hi, Register x_lo, Register y_hi, Register y_lo); // x_hi = lcmp(x, y)
411
412
413 // misc
414
415 // Sign extension
416 void sign_extend_short(Register reg);
417 void sign_extend_byte(Register reg);
418
419 // Division by power of 2, rounding towards 0
420 void division_with_shift(Register reg, int shift_value);
421
422 // Compares the top-most stack entries on the FPU stack and sets the eflags as follows:
423 //
424 // CF (corresponds to C0) if x < y
425 // PF (corresponds to C2) if unordered
426 // ZF (corresponds to C3) if x = y
427 //
428 // The arguments are in reversed order on the stack (i.e., top of stack is first argument).
429 // tmp is a temporary register, if none is available use noreg (only matters for non-P6 code)
430 void fcmp(Register tmp);
431 // Variant of the above which allows y to be further down the stack
432 // and which only pops x and y if specified. If pop_right is
433 // specified then pop_left must also be specified.
434 void fcmp(Register tmp, int index, bool pop_left, bool pop_right);
435
436 // Floating-point comparison for Java
437 // Compares the top-most stack entries on the FPU stack and stores the result in dst.
438 // The arguments are in reversed order on the stack (i.e., top of stack is first argument).
439 // (semantics as described in JVM spec.)
440 void fcmp2int(Register dst, bool unordered_is_less);
441 // Variant of the above which allows y to be further down the stack
442 // and which only pops x and y if specified. If pop_right is
443 // specified then pop_left must also be specified.
444 void fcmp2int(Register dst, bool unordered_is_less, int index, bool pop_left, bool pop_right);
445
446 // Floating-point remainder for Java (ST0 = ST0 fremr ST1, ST1 is empty afterwards)
447 // tmp is a temporary register, if none is available use noreg
448 void fremr(Register tmp);
449
450 // dst = c = a * b + c
451 void fmad(XMMRegister dst, XMMRegister a, XMMRegister b, XMMRegister c);
452 void fmaf(XMMRegister dst, XMMRegister a, XMMRegister b, XMMRegister c);
453
454 void vfmad(XMMRegister dst, XMMRegister a, XMMRegister b, XMMRegister c, int vector_len);
455 void vfmaf(XMMRegister dst, XMMRegister a, XMMRegister b, XMMRegister c, int vector_len);
456 void vfmad(XMMRegister dst, XMMRegister a, Address b, XMMRegister c, int vector_len);
457 void vfmaf(XMMRegister dst, XMMRegister a, Address b, XMMRegister c, int vector_len);
458
459
460 // same as fcmp2int, but using SSE2
461 void cmpss2int(XMMRegister opr1, XMMRegister opr2, Register dst, bool unordered_is_less);
462 void cmpsd2int(XMMRegister opr1, XMMRegister opr2, Register dst, bool unordered_is_less);
463
464 // branch to L if FPU flag C2 is set/not set
465 // tmp is a temporary register, if none is available use noreg
466 void jC2 (Register tmp, Label& L);
467 void jnC2(Register tmp, Label& L);
468
469 // Pop ST (ffree & fincstp combined)
470 void fpop();
471
472 // Load float value from 'address'. If UseSSE >= 1, the value is loaded into
473 // register xmm0. Otherwise, the value is loaded onto the FPU stack.
474 void load_float(Address src);
475
476 // Store float value to 'address'. If UseSSE >= 1, the value is stored
477 // from register xmm0. Otherwise, the value is stored from the FPU stack.
478 void store_float(Address dst);
479
480 // Load double value from 'address'. If UseSSE >= 2, the value is loaded into
481 // register xmm0. Otherwise, the value is loaded onto the FPU stack.
482 void load_double(Address src);
483
484 // Store double value to 'address'. If UseSSE >= 2, the value is stored
485 // from register xmm0. Otherwise, the value is stored from the FPU stack.
486 void store_double(Address dst);
487
488 // pushes double TOS element of FPU stack on CPU stack; pops from FPU stack
489 void push_fTOS();
490
491 // pops double TOS element from CPU stack and pushes on FPU stack
492 void pop_fTOS();
493
494 void empty_FPU_stack();
495
496 void push_IU_state();
497 void pop_IU_state();
498
499 void push_FPU_state();
500 void pop_FPU_state();
501
502 void push_CPU_state();
503 void pop_CPU_state();
504
505 // Round up to a power of two
506 void round_to(Register reg, int modulus);
507
508 // Callee saved registers handling
509 void push_callee_saved_registers();
510 void pop_callee_saved_registers();
511
512 // allocation
513 void eden_allocate(
514 Register thread, // Current thread
515 Register obj, // result: pointer to object after successful allocation
516 Register var_size_in_bytes, // object size in bytes if unknown at compile time; invalid otherwise
517 int con_size_in_bytes, // object size in bytes if known at compile time
518 Register t1, // temp register
519 Label& slow_case // continuation point if fast allocation fails
520 );
521 void tlab_allocate(
522 Register thread, // Current thread
523 Register obj, // result: pointer to object after successful allocation
524 Register var_size_in_bytes, // object size in bytes if unknown at compile time; invalid otherwise
525 int con_size_in_bytes, // object size in bytes if known at compile time
526 Register t1, // temp register
527 Register t2, // temp register
528 Label& slow_case // continuation point if fast allocation fails
529 );
530 void zero_memory(Register address, Register length_in_bytes, int offset_in_bytes, Register temp);
531
532 // interface method calling
533 void lookup_interface_method(Register recv_klass,
534 Register intf_klass,
535 RegisterOrConstant itable_index,
536 Register method_result,
537 Register scan_temp,
538 Label& no_such_interface,
539 bool return_method = true);
540
541 // virtual method calling
542 void lookup_virtual_method(Register recv_klass,
543 RegisterOrConstant vtable_index,
544 Register method_result);
545
546 // Test sub_klass against super_klass, with fast and slow paths.
547
548 // The fast path produces a tri-state answer: yes / no / maybe-slow.
549 // One of the three labels can be NULL, meaning take the fall-through.
550 // If super_check_offset is -1, the value is loaded up from super_klass.
551 // No registers are killed, except temp_reg.
552 void check_klass_subtype_fast_path(Register sub_klass,
553 Register super_klass,
554 Register temp_reg,
555 Label* L_success,
556 Label* L_failure,
557 Label* L_slow_path,
558 RegisterOrConstant super_check_offset = RegisterOrConstant(-1));
559
560 // The rest of the type check; must be wired to a corresponding fast path.
561 // It does not repeat the fast path logic, so don't use it standalone.
562 // The temp_reg and temp2_reg can be noreg, if no temps are available.
563 // Updates the sub's secondary super cache as necessary.
564 // If set_cond_codes, condition codes will be Z on success, NZ on failure.
565 void check_klass_subtype_slow_path(Register sub_klass,
566 Register super_klass,
567 Register temp_reg,
568 Register temp2_reg,
569 Label* L_success,
570 Label* L_failure,
571 bool set_cond_codes = false);
572
573 // Simplified, combined version, good for typical uses.
574 // Falls through on failure.
575 void check_klass_subtype(Register sub_klass,
576 Register super_klass,
577 Register temp_reg,
578 Label& L_success);
579
580 // method handles (JSR 292)
581 Address argument_address(RegisterOrConstant arg_slot, int extra_slot_offset = 0);
582
583 //----
584 void set_word_if_not_zero(Register reg); // sets reg to 1 if not zero, otherwise 0
585
586 // Debugging
587
588 // only if +VerifyOops
589 // TODO: Make these macros with file and line like sparc version!
590 void verify_oop(Register reg, const char* s = "broken oop");
591 void verify_oop_addr(Address addr, const char * s = "broken oop addr");
592
593 // TODO: verify method and klass metadata (compare against vptr?)
594 void _verify_method_ptr(Register reg, const char * msg, const char * file, int line) {}
595 void _verify_klass_ptr(Register reg, const char * msg, const char * file, int line){}
596
597 #define verify_method_ptr(reg) _verify_method_ptr(reg, "broken method " #reg, __FILE__, __LINE__)
598 #define verify_klass_ptr(reg) _verify_klass_ptr(reg, "broken klass " #reg, __FILE__, __LINE__)
599
600 // only if +VerifyFPU
601 void verify_FPU(int stack_depth, const char* s = "illegal FPU state");
602
603 // Verify or restore cpu control state after JNI call
604 void restore_cpu_control_state_after_jni();
605
606 // prints msg, dumps registers and stops execution
607 void stop(const char* msg);
608
609 // prints msg and continues
610 void warn(const char* msg);
611
612 // dumps registers and other state
613 void print_state();
614
615 static void debug32(int rdi, int rsi, int rbp, int rsp, int rbx, int rdx, int rcx, int rax, int eip, char* msg);
616 static void debug64(char* msg, int64_t pc, int64_t regs[]);
617 static void print_state32(int rdi, int rsi, int rbp, int rsp, int rbx, int rdx, int rcx, int rax, int eip);
618 static void print_state64(int64_t pc, int64_t regs[]);
619
620 void os_breakpoint();
621
622 void untested() { stop("untested"); }
623
624 void unimplemented(const char* what = "");
625
626 void should_not_reach_here() { stop("should not reach here"); }
627
628 void print_CPU_state();
629
630 // Stack overflow checking
631 void bang_stack_with_offset(int offset) {
632 // stack grows down, caller passes positive offset
633 assert(offset > 0, "must bang with negative offset");
634 movl(Address(rsp, (-offset)), rax);
635 }
636
637 // Writes to stack successive pages until offset reached to check for
638 // stack overflow + shadow pages. Also, clobbers tmp
639 void bang_stack_size(Register size, Register tmp);
640
641 // Check for reserved stack access in method being exited (for JIT)
642 void reserved_stack_check();
643
644 virtual RegisterOrConstant delayed_value_impl(intptr_t* delayed_value_addr,
645 Register tmp,
646 int offset);
647
648 // If thread_reg is != noreg the code assumes the register passed contains
649 // the thread (required on 64 bit).
650 void safepoint_poll(Label& slow_path, Register thread_reg, Register temp_reg);
651
652 void verify_tlab();
653
654 // Biased locking support
655 // lock_reg and obj_reg must be loaded up with the appropriate values.
656 // swap_reg must be rax, and is killed.
657 // tmp_reg is optional. If it is supplied (i.e., != noreg) it will
658 // be killed; if not supplied, push/pop will be used internally to
659 // allocate a temporary (inefficient, avoid if possible).
660 // Optional slow case is for implementations (interpreter and C1) which branch to
661 // slow case directly. Leaves condition codes set for C2's Fast_Lock node.
662 // Returns offset of first potentially-faulting instruction for null
663 // check info (currently consumed only by C1). If
664 // swap_reg_contains_mark is true then returns -1 as it is assumed
665 // the calling code has already passed any potential faults.
666 int biased_locking_enter(Register lock_reg, Register obj_reg,
667 Register swap_reg, Register tmp_reg,
668 bool swap_reg_contains_mark,
669 Label& done, Label* slow_case = NULL,
670 BiasedLockingCounters* counters = NULL);
671 void biased_locking_exit (Register obj_reg, Register temp_reg, Label& done);
672 #ifdef COMPILER2
673 // Code used by cmpFastLock and cmpFastUnlock mach instructions in .ad file.
674 // See full desription in macroAssembler_x86.cpp.
675 void fast_lock(Register obj, Register box, Register tmp,
676 Register scr, Register cx1, Register cx2,
677 BiasedLockingCounters* counters,
678 RTMLockingCounters* rtm_counters,
679 RTMLockingCounters* stack_rtm_counters,
680 Metadata* method_data,
681 bool use_rtm, bool profile_rtm);
682 void fast_unlock(Register obj, Register box, Register tmp, bool use_rtm);
683 #if INCLUDE_RTM_OPT
684 void rtm_counters_update(Register abort_status, Register rtm_counters);
685 void branch_on_random_using_rdtsc(Register tmp, Register scr, int count, Label& brLabel);
686 void rtm_abort_ratio_calculation(Register tmp, Register rtm_counters_reg,
687 RTMLockingCounters* rtm_counters,
688 Metadata* method_data);
689 void rtm_profiling(Register abort_status_Reg, Register rtm_counters_Reg,
690 RTMLockingCounters* rtm_counters, Metadata* method_data, bool profile_rtm);
691 void rtm_retry_lock_on_abort(Register retry_count, Register abort_status, Label& retryLabel);
692 void rtm_retry_lock_on_busy(Register retry_count, Register box, Register tmp, Register scr, Label& retryLabel);
693 void rtm_stack_locking(Register obj, Register tmp, Register scr,
694 Register retry_on_abort_count,
695 RTMLockingCounters* stack_rtm_counters,
696 Metadata* method_data, bool profile_rtm,
697 Label& DONE_LABEL, Label& IsInflated);
698 void rtm_inflated_locking(Register obj, Register box, Register tmp,
699 Register scr, Register retry_on_busy_count,
700 Register retry_on_abort_count,
701 RTMLockingCounters* rtm_counters,
702 Metadata* method_data, bool profile_rtm,
703 Label& DONE_LABEL);
704 #endif
705 #endif
706
707 Condition negate_condition(Condition cond);
708
709 // Instructions that use AddressLiteral operands. These instruction can handle 32bit/64bit
710 // operands. In general the names are modified to avoid hiding the instruction in Assembler
711 // so that we don't need to implement all the varieties in the Assembler with trivial wrappers
712 // here in MacroAssembler. The major exception to this rule is call
713
714 // Arithmetics
715
716
717 void addptr(Address dst, int32_t src) { LP64_ONLY(addq(dst, src)) NOT_LP64(addl(dst, src)) ; }
718 void addptr(Address dst, Register src);
719
720 void addptr(Register dst, Address src) { LP64_ONLY(addq(dst, src)) NOT_LP64(addl(dst, src)); }
721 void addptr(Register dst, int32_t src);
722 void addptr(Register dst, Register src);
723 void addptr(Register dst, RegisterOrConstant src) {
724 if (src.is_constant()) addptr(dst, (int) src.as_constant());
725 else addptr(dst, src.as_register());
726 }
727
728 void andptr(Register dst, int32_t src);
729 void andptr(Register src1, Register src2) { LP64_ONLY(andq(src1, src2)) NOT_LP64(andl(src1, src2)) ; }
730
731 void cmp8(AddressLiteral src1, int imm);
732
733 // renamed to drag out the casting of address to int32_t/intptr_t
734 void cmp32(Register src1, int32_t imm);
735
736 void cmp32(AddressLiteral src1, int32_t imm);
737 // compare reg - mem, or reg - &mem
738 void cmp32(Register src1, AddressLiteral src2);
739
740 void cmp32(Register src1, Address src2);
741
742 #ifndef _LP64
743 void cmpklass(Address dst, Metadata* obj);
744 void cmpklass(Register dst, Metadata* obj);
745 void cmpoop(Address dst, jobject obj);
746 void cmpoop_raw(Address dst, jobject obj);
747 #endif // _LP64
748
749 void cmpoop(Register src1, Register src2);
750 void cmpoop(Register src1, Address src2);
751 void cmpoop(Register dst, jobject obj);
752 void cmpoop_raw(Register dst, jobject obj);
753
754 // NOTE src2 must be the lval. This is NOT an mem-mem compare
755 void cmpptr(Address src1, AddressLiteral src2);
756
757 void cmpptr(Register src1, AddressLiteral src2);
758
759 void cmpptr(Register src1, Register src2) { LP64_ONLY(cmpq(src1, src2)) NOT_LP64(cmpl(src1, src2)) ; }
760 void cmpptr(Register src1, Address src2) { LP64_ONLY(cmpq(src1, src2)) NOT_LP64(cmpl(src1, src2)) ; }
761 // void cmpptr(Address src1, Register src2) { LP64_ONLY(cmpq(src1, src2)) NOT_LP64(cmpl(src1, src2)) ; }
762
763 void cmpptr(Register src1, int32_t src2) { LP64_ONLY(cmpq(src1, src2)) NOT_LP64(cmpl(src1, src2)) ; }
764 void cmpptr(Address src1, int32_t src2) { LP64_ONLY(cmpq(src1, src2)) NOT_LP64(cmpl(src1, src2)) ; }
765
766 // cmp64 to avoild hiding cmpq
767 void cmp64(Register src1, AddressLiteral src);
768
769 void cmpxchgptr(Register reg, Address adr);
770
771 void locked_cmpxchgptr(Register reg, AddressLiteral adr);
772
773
774 void imulptr(Register dst, Register src) { LP64_ONLY(imulq(dst, src)) NOT_LP64(imull(dst, src)); }
775 void imulptr(Register dst, Register src, int imm32) { LP64_ONLY(imulq(dst, src, imm32)) NOT_LP64(imull(dst, src, imm32)); }
776
777
778 void negptr(Register dst) { LP64_ONLY(negq(dst)) NOT_LP64(negl(dst)); }
779
780 void notptr(Register dst) { LP64_ONLY(notq(dst)) NOT_LP64(notl(dst)); }
781
782 void shlptr(Register dst, int32_t shift);
783 void shlptr(Register dst) { LP64_ONLY(shlq(dst)) NOT_LP64(shll(dst)); }
784
785 void shrptr(Register dst, int32_t shift);
786 void shrptr(Register dst) { LP64_ONLY(shrq(dst)) NOT_LP64(shrl(dst)); }
787
788 void sarptr(Register dst) { LP64_ONLY(sarq(dst)) NOT_LP64(sarl(dst)); }
789 void sarptr(Register dst, int32_t src) { LP64_ONLY(sarq(dst, src)) NOT_LP64(sarl(dst, src)); }
790
791 void subptr(Address dst, int32_t src) { LP64_ONLY(subq(dst, src)) NOT_LP64(subl(dst, src)); }
792
793 void subptr(Register dst, Address src) { LP64_ONLY(subq(dst, src)) NOT_LP64(subl(dst, src)); }
794 void subptr(Register dst, int32_t src);
795 // Force generation of a 4 byte immediate value even if it fits into 8bit
796 void subptr_imm32(Register dst, int32_t src);
797 void subptr(Register dst, Register src);
798 void subptr(Register dst, RegisterOrConstant src) {
799 if (src.is_constant()) subptr(dst, (int) src.as_constant());
800 else subptr(dst, src.as_register());
801 }
802
803 void sbbptr(Address dst, int32_t src) { LP64_ONLY(sbbq(dst, src)) NOT_LP64(sbbl(dst, src)); }
804 void sbbptr(Register dst, int32_t src) { LP64_ONLY(sbbq(dst, src)) NOT_LP64(sbbl(dst, src)); }
805
806 void xchgptr(Register src1, Register src2) { LP64_ONLY(xchgq(src1, src2)) NOT_LP64(xchgl(src1, src2)) ; }
807 void xchgptr(Register src1, Address src2) { LP64_ONLY(xchgq(src1, src2)) NOT_LP64(xchgl(src1, src2)) ; }
808
809 void xaddptr(Address src1, Register src2) { LP64_ONLY(xaddq(src1, src2)) NOT_LP64(xaddl(src1, src2)) ; }
810
811
812
813 // Helper functions for statistics gathering.
814 // Conditionally (atomically, on MPs) increments passed counter address, preserving condition codes.
815 void cond_inc32(Condition cond, AddressLiteral counter_addr);
816 // Unconditional atomic increment.
817 void atomic_incl(Address counter_addr);
818 void atomic_incl(AddressLiteral counter_addr, Register scr = rscratch1);
819 #ifdef _LP64
820 void atomic_incq(Address counter_addr);
821 void atomic_incq(AddressLiteral counter_addr, Register scr = rscratch1);
822 #endif
823 void atomic_incptr(AddressLiteral counter_addr, Register scr = rscratch1) { LP64_ONLY(atomic_incq(counter_addr, scr)) NOT_LP64(atomic_incl(counter_addr, scr)) ; }
824 void atomic_incptr(Address counter_addr) { LP64_ONLY(atomic_incq(counter_addr)) NOT_LP64(atomic_incl(counter_addr)) ; }
825
826 void lea(Register dst, AddressLiteral adr);
827 void lea(Address dst, AddressLiteral adr);
828 void lea(Register dst, Address adr) { Assembler::lea(dst, adr); }
829
830 void leal32(Register dst, Address src) { leal(dst, src); }
831
832 // Import other testl() methods from the parent class or else
833 // they will be hidden by the following overriding declaration.
834 using Assembler::testl;
835 void testl(Register dst, AddressLiteral src);
836
837 void orptr(Register dst, Address src) { LP64_ONLY(orq(dst, src)) NOT_LP64(orl(dst, src)); }
838 void orptr(Register dst, Register src) { LP64_ONLY(orq(dst, src)) NOT_LP64(orl(dst, src)); }
839 void orptr(Register dst, int32_t src) { LP64_ONLY(orq(dst, src)) NOT_LP64(orl(dst, src)); }
840 void orptr(Address dst, int32_t imm32) { LP64_ONLY(orq(dst, imm32)) NOT_LP64(orl(dst, imm32)); }
841
842 void testptr(Register src, int32_t imm32) { LP64_ONLY(testq(src, imm32)) NOT_LP64(testl(src, imm32)); }
843 void testptr(Register src1, Address src2) { LP64_ONLY(testq(src1, src2)) NOT_LP64(testl(src1, src2)); }
844 void testptr(Register src1, Register src2);
845
846 void xorptr(Register dst, Register src) { LP64_ONLY(xorq(dst, src)) NOT_LP64(xorl(dst, src)); }
847 void xorptr(Register dst, Address src) { LP64_ONLY(xorq(dst, src)) NOT_LP64(xorl(dst, src)); }
848
849 // Calls
850
851 void call(Label& L, relocInfo::relocType rtype);
852 void call(Register entry);
853
854 // NOTE: this call transfers to the effective address of entry NOT
855 // the address contained by entry. This is because this is more natural
856 // for jumps/calls.
857 void call(AddressLiteral entry);
858
859 // Emit the CompiledIC call idiom
860 void ic_call(address entry, jint method_index = 0);
861
862 // Jumps
863
864 // NOTE: these jumps tranfer to the effective address of dst NOT
865 // the address contained by dst. This is because this is more natural
866 // for jumps/calls.
867 void jump(AddressLiteral dst);
868 void jump_cc(Condition cc, AddressLiteral dst);
869
870 // 32bit can do a case table jump in one instruction but we no longer allow the base
871 // to be installed in the Address class. This jump will tranfers to the address
872 // contained in the location described by entry (not the address of entry)
873 void jump(ArrayAddress entry);
874
875 // Floating
876
877 void andpd(XMMRegister dst, Address src) { Assembler::andpd(dst, src); }
878 void andpd(XMMRegister dst, AddressLiteral src);
879 void andpd(XMMRegister dst, XMMRegister src) { Assembler::andpd(dst, src); }
880
881 void andps(XMMRegister dst, XMMRegister src) { Assembler::andps(dst, src); }
882 void andps(XMMRegister dst, Address src) { Assembler::andps(dst, src); }
883 void andps(XMMRegister dst, AddressLiteral src);
884
885 void comiss(XMMRegister dst, XMMRegister src) { Assembler::comiss(dst, src); }
886 void comiss(XMMRegister dst, Address src) { Assembler::comiss(dst, src); }
887 void comiss(XMMRegister dst, AddressLiteral src);
888
889 void comisd(XMMRegister dst, XMMRegister src) { Assembler::comisd(dst, src); }
890 void comisd(XMMRegister dst, Address src) { Assembler::comisd(dst, src); }
891 void comisd(XMMRegister dst, AddressLiteral src);
892
893 void fadd_s(Address src) { Assembler::fadd_s(src); }
894 void fadd_s(AddressLiteral src) { Assembler::fadd_s(as_Address(src)); }
895
896 void fldcw(Address src) { Assembler::fldcw(src); }
897 void fldcw(AddressLiteral src);
898
899 void fld_s(int index) { Assembler::fld_s(index); }
900 void fld_s(Address src) { Assembler::fld_s(src); }
901 void fld_s(AddressLiteral src);
902
903 void fld_d(Address src) { Assembler::fld_d(src); }
904 void fld_d(AddressLiteral src);
905
906 void fld_x(Address src) { Assembler::fld_x(src); }
907 void fld_x(AddressLiteral src);
908
909 void fmul_s(Address src) { Assembler::fmul_s(src); }
910 void fmul_s(AddressLiteral src) { Assembler::fmul_s(as_Address(src)); }
911
912 void ldmxcsr(Address src) { Assembler::ldmxcsr(src); }
913 void ldmxcsr(AddressLiteral src);
914
915 #ifdef _LP64
916 private:
917 void sha256_AVX2_one_round_compute(
918 Register reg_old_h,
919 Register reg_a,
920 Register reg_b,
921 Register reg_c,
922 Register reg_d,
923 Register reg_e,
924 Register reg_f,
925 Register reg_g,
926 Register reg_h,
927 int iter);
928 void sha256_AVX2_four_rounds_compute_first(int start);
929 void sha256_AVX2_four_rounds_compute_last(int start);
930 void sha256_AVX2_one_round_and_sched(
931 XMMRegister xmm_0, /* == ymm4 on 0, 1, 2, 3 iterations, then rotate 4 registers left on 4, 8, 12 iterations */
932 XMMRegister xmm_1, /* ymm5 */ /* full cycle is 16 iterations */
933 XMMRegister xmm_2, /* ymm6 */
934 XMMRegister xmm_3, /* ymm7 */
935 Register reg_a, /* == eax on 0 iteration, then rotate 8 register right on each next iteration */
936 Register reg_b, /* ebx */ /* full cycle is 8 iterations */
937 Register reg_c, /* edi */
938 Register reg_d, /* esi */
939 Register reg_e, /* r8d */
940 Register reg_f, /* r9d */
941 Register reg_g, /* r10d */
942 Register reg_h, /* r11d */
943 int iter);
944
945 void addm(int disp, Register r1, Register r2);
946 void gfmul(XMMRegister tmp0, XMMRegister t);
947 void schoolbookAAD(int i, Register subkeyH, XMMRegister data, XMMRegister tmp0,
948 XMMRegister tmp1, XMMRegister tmp2, XMMRegister tmp3);
949 void generateHtbl(Register htbl);
950
951 public:
952 void sha256_AVX2(XMMRegister msg, XMMRegister state0, XMMRegister state1, XMMRegister msgtmp0,
953 XMMRegister msgtmp1, XMMRegister msgtmp2, XMMRegister msgtmp3, XMMRegister msgtmp4,
954 Register buf, Register state, Register ofs, Register limit, Register rsp,
955 bool multi_block, XMMRegister shuf_mask);
956 void avx_ghash(Register state, Register htbl, Register data, Register blocks);
957 #endif
958
959 #ifdef _LP64
960 private:
961 void sha512_AVX2_one_round_compute(Register old_h, Register a, Register b, Register c, Register d,
962 Register e, Register f, Register g, Register h, int iteration);
963
964 void sha512_AVX2_one_round_and_schedule(XMMRegister xmm4, XMMRegister xmm5, XMMRegister xmm6, XMMRegister xmm7,
965 Register a, Register b, Register c, Register d, Register e, Register f,
966 Register g, Register h, int iteration);
967
968 void addmq(int disp, Register r1, Register r2);
969 public:
970 void sha512_AVX2(XMMRegister msg, XMMRegister state0, XMMRegister state1, XMMRegister msgtmp0,
971 XMMRegister msgtmp1, XMMRegister msgtmp2, XMMRegister msgtmp3, XMMRegister msgtmp4,
972 Register buf, Register state, Register ofs, Register limit, Register rsp, bool multi_block,
973 XMMRegister shuf_mask);
974 #endif
975
976 void fast_sha1(XMMRegister abcd, XMMRegister e0, XMMRegister e1, XMMRegister msg0,
977 XMMRegister msg1, XMMRegister msg2, XMMRegister msg3, XMMRegister shuf_mask,
978 Register buf, Register state, Register ofs, Register limit, Register rsp,
979 bool multi_block);
980
981 #ifdef _LP64
982 void fast_sha256(XMMRegister msg, XMMRegister state0, XMMRegister state1, XMMRegister msgtmp0,
983 XMMRegister msgtmp1, XMMRegister msgtmp2, XMMRegister msgtmp3, XMMRegister msgtmp4,
984 Register buf, Register state, Register ofs, Register limit, Register rsp,
985 bool multi_block, XMMRegister shuf_mask);
986 #else
987 void fast_sha256(XMMRegister msg, XMMRegister state0, XMMRegister state1, XMMRegister msgtmp0,
988 XMMRegister msgtmp1, XMMRegister msgtmp2, XMMRegister msgtmp3, XMMRegister msgtmp4,
989 Register buf, Register state, Register ofs, Register limit, Register rsp,
990 bool multi_block);
991 #endif
992
993 void fast_exp(XMMRegister xmm0, XMMRegister xmm1, XMMRegister xmm2, XMMRegister xmm3,
994 XMMRegister xmm4, XMMRegister xmm5, XMMRegister xmm6, XMMRegister xmm7,
995 Register rax, Register rcx, Register rdx, Register tmp);
996
997 #ifdef _LP64
998 void fast_log(XMMRegister xmm0, XMMRegister xmm1, XMMRegister xmm2, XMMRegister xmm3,
999 XMMRegister xmm4, XMMRegister xmm5, XMMRegister xmm6, XMMRegister xmm7,
1000 Register rax, Register rcx, Register rdx, Register tmp1, Register tmp2);
1001
1002 void fast_log10(XMMRegister xmm0, XMMRegister xmm1, XMMRegister xmm2, XMMRegister xmm3,
1003 XMMRegister xmm4, XMMRegister xmm5, XMMRegister xmm6, XMMRegister xmm7,
1004 Register rax, Register rcx, Register rdx, Register r11);
1005
1006 void fast_pow(XMMRegister xmm0, XMMRegister xmm1, XMMRegister xmm2, XMMRegister xmm3, XMMRegister xmm4,
1007 XMMRegister xmm5, XMMRegister xmm6, XMMRegister xmm7, Register rax, Register rcx,
1008 Register rdx, Register tmp1, Register tmp2, Register tmp3, Register tmp4);
1009
1010 void fast_sin(XMMRegister xmm0, XMMRegister xmm1, XMMRegister xmm2, XMMRegister xmm3,
1011 XMMRegister xmm4, XMMRegister xmm5, XMMRegister xmm6, XMMRegister xmm7,
1012 Register rax, Register rbx, Register rcx, Register rdx, Register tmp1, Register tmp2,
1013 Register tmp3, Register tmp4);
1014
1015 void fast_cos(XMMRegister xmm0, XMMRegister xmm1, XMMRegister xmm2, XMMRegister xmm3,
1016 XMMRegister xmm4, XMMRegister xmm5, XMMRegister xmm6, XMMRegister xmm7,
1017 Register rax, Register rcx, Register rdx, Register tmp1,
1018 Register tmp2, Register tmp3, Register tmp4);
1019 void fast_tan(XMMRegister xmm0, XMMRegister xmm1, XMMRegister xmm2, XMMRegister xmm3,
1020 XMMRegister xmm4, XMMRegister xmm5, XMMRegister xmm6, XMMRegister xmm7,
1021 Register rax, Register rcx, Register rdx, Register tmp1,
1022 Register tmp2, Register tmp3, Register tmp4);
1023 #else
1024 void fast_log(XMMRegister xmm0, XMMRegister xmm1, XMMRegister xmm2, XMMRegister xmm3,
1025 XMMRegister xmm4, XMMRegister xmm5, XMMRegister xmm6, XMMRegister xmm7,
1026 Register rax, Register rcx, Register rdx, Register tmp1);
1027
1028 void fast_log10(XMMRegister xmm0, XMMRegister xmm1, XMMRegister xmm2, XMMRegister xmm3,
1029 XMMRegister xmm4, XMMRegister xmm5, XMMRegister xmm6, XMMRegister xmm7,
1030 Register rax, Register rcx, Register rdx, Register tmp);
1031
1032 void fast_pow(XMMRegister xmm0, XMMRegister xmm1, XMMRegister xmm2, XMMRegister xmm3, XMMRegister xmm4,
1033 XMMRegister xmm5, XMMRegister xmm6, XMMRegister xmm7, Register rax, Register rcx,
1034 Register rdx, Register tmp);
1035
1036 void fast_sin(XMMRegister xmm0, XMMRegister xmm1, XMMRegister xmm2, XMMRegister xmm3,
1037 XMMRegister xmm4, XMMRegister xmm5, XMMRegister xmm6, XMMRegister xmm7,
1038 Register rax, Register rbx, Register rdx);
1039
1040 void fast_cos(XMMRegister xmm0, XMMRegister xmm1, XMMRegister xmm2, XMMRegister xmm3,
1041 XMMRegister xmm4, XMMRegister xmm5, XMMRegister xmm6, XMMRegister xmm7,
1042 Register rax, Register rcx, Register rdx, Register tmp);
1043
1044 void libm_sincos_huge(XMMRegister xmm0, XMMRegister xmm1, Register eax, Register ecx,
1045 Register edx, Register ebx, Register esi, Register edi,
1046 Register ebp, Register esp);
1047
1048 void libm_reduce_pi04l(Register eax, Register ecx, Register edx, Register ebx,
1049 Register esi, Register edi, Register ebp, Register esp);
1050
1051 void libm_tancot_huge(XMMRegister xmm0, XMMRegister xmm1, Register eax, Register ecx,
1052 Register edx, Register ebx, Register esi, Register edi,
1053 Register ebp, Register esp);
1054
1055 void fast_tan(XMMRegister xmm0, XMMRegister xmm1, XMMRegister xmm2, XMMRegister xmm3,
1056 XMMRegister xmm4, XMMRegister xmm5, XMMRegister xmm6, XMMRegister xmm7,
1057 Register rax, Register rcx, Register rdx, Register tmp);
1058 #endif
1059
1060 void increase_precision();
1061 void restore_precision();
1062
1063 private:
1064
1065 // these are private because users should be doing movflt/movdbl
1066
1067 void movss(Address dst, XMMRegister src) { Assembler::movss(dst, src); }
1068 void movss(XMMRegister dst, XMMRegister src) { Assembler::movss(dst, src); }
1069 void movss(XMMRegister dst, Address src) { Assembler::movss(dst, src); }
1070 void movss(XMMRegister dst, AddressLiteral src);
1071
1072 void movlpd(XMMRegister dst, Address src) {Assembler::movlpd(dst, src); }
1073 void movlpd(XMMRegister dst, AddressLiteral src);
1074
1075 public:
1076
1077 void addsd(XMMRegister dst, XMMRegister src) { Assembler::addsd(dst, src); }
1078 void addsd(XMMRegister dst, Address src) { Assembler::addsd(dst, src); }
1079 void addsd(XMMRegister dst, AddressLiteral src);
1080
1081 void addss(XMMRegister dst, XMMRegister src) { Assembler::addss(dst, src); }
1082 void addss(XMMRegister dst, Address src) { Assembler::addss(dst, src); }
1083 void addss(XMMRegister dst, AddressLiteral src);
1084
1085 void addpd(XMMRegister dst, XMMRegister src) { Assembler::addpd(dst, src); }
1086 void addpd(XMMRegister dst, Address src) { Assembler::addpd(dst, src); }
1087 void addpd(XMMRegister dst, AddressLiteral src);
1088
1089 void divsd(XMMRegister dst, XMMRegister src) { Assembler::divsd(dst, src); }
1090 void divsd(XMMRegister dst, Address src) { Assembler::divsd(dst, src); }
1091 void divsd(XMMRegister dst, AddressLiteral src);
1092
1093 void divss(XMMRegister dst, XMMRegister src) { Assembler::divss(dst, src); }
1094 void divss(XMMRegister dst, Address src) { Assembler::divss(dst, src); }
1095 void divss(XMMRegister dst, AddressLiteral src);
1096
1097 // Move Unaligned Double Quadword
1098 void movdqu(Address dst, XMMRegister src);
1099 void movdqu(XMMRegister dst, Address src);
1100 void movdqu(XMMRegister dst, XMMRegister src);
1101 void movdqu(XMMRegister dst, AddressLiteral src, Register scratchReg = rscratch1);
1102 // AVX Unaligned forms
1103 void vmovdqu(Address dst, XMMRegister src);
1104 void vmovdqu(XMMRegister dst, Address src);
1105 void vmovdqu(XMMRegister dst, XMMRegister src);
1106 void vmovdqu(XMMRegister dst, AddressLiteral src);
1107 void evmovdquq(XMMRegister dst, Address src, int vector_len) { Assembler::evmovdquq(dst, src, vector_len); }
1108 void evmovdquq(XMMRegister dst, XMMRegister src, int vector_len) { Assembler::evmovdquq(dst, src, vector_len); }
1109 void evmovdquq(Address dst, XMMRegister src, int vector_len) { Assembler::evmovdquq(dst, src, vector_len); }
1110 void evmovdquq(XMMRegister dst, AddressLiteral src, int vector_len, Register rscratch);
1111
1112 // Move Aligned Double Quadword
1113 void movdqa(XMMRegister dst, Address src) { Assembler::movdqa(dst, src); }
1114 void movdqa(XMMRegister dst, XMMRegister src) { Assembler::movdqa(dst, src); }
1115 void movdqa(XMMRegister dst, AddressLiteral src);
1116
1117 void movsd(XMMRegister dst, XMMRegister src) { Assembler::movsd(dst, src); }
1118 void movsd(Address dst, XMMRegister src) { Assembler::movsd(dst, src); }
1119 void movsd(XMMRegister dst, Address src) { Assembler::movsd(dst, src); }
1120 void movsd(XMMRegister dst, AddressLiteral src);
1121
1122 void mulpd(XMMRegister dst, XMMRegister src) { Assembler::mulpd(dst, src); }
1123 void mulpd(XMMRegister dst, Address src) { Assembler::mulpd(dst, src); }
1124 void mulpd(XMMRegister dst, AddressLiteral src);
1125
1126 void mulsd(XMMRegister dst, XMMRegister src) { Assembler::mulsd(dst, src); }
1127 void mulsd(XMMRegister dst, Address src) { Assembler::mulsd(dst, src); }
1128 void mulsd(XMMRegister dst, AddressLiteral src);
1129
1130 void mulss(XMMRegister dst, XMMRegister src) { Assembler::mulss(dst, src); }
1131 void mulss(XMMRegister dst, Address src) { Assembler::mulss(dst, src); }
1132 void mulss(XMMRegister dst, AddressLiteral src);
1133
1134 // Carry-Less Multiplication Quadword
1135 void pclmulldq(XMMRegister dst, XMMRegister src) {
1136 // 0x00 - multiply lower 64 bits [0:63]
1137 Assembler::pclmulqdq(dst, src, 0x00);
1138 }
1139 void pclmulhdq(XMMRegister dst, XMMRegister src) {
1140 // 0x11 - multiply upper 64 bits [64:127]
1141 Assembler::pclmulqdq(dst, src, 0x11);
1142 }
1143
1144 void pcmpeqb(XMMRegister dst, XMMRegister src);
1145 void pcmpeqw(XMMRegister dst, XMMRegister src);
1146
1147 void pcmpestri(XMMRegister dst, Address src, int imm8);
1148 void pcmpestri(XMMRegister dst, XMMRegister src, int imm8);
1149
1150 void pmovzxbw(XMMRegister dst, XMMRegister src);
1151 void pmovzxbw(XMMRegister dst, Address src);
1152
1153 void pmovmskb(Register dst, XMMRegister src);
1154
1155 void ptest(XMMRegister dst, XMMRegister src);
1156
1157 void sqrtsd(XMMRegister dst, XMMRegister src) { Assembler::sqrtsd(dst, src); }
1158 void sqrtsd(XMMRegister dst, Address src) { Assembler::sqrtsd(dst, src); }
1159 void sqrtsd(XMMRegister dst, AddressLiteral src);
1160
1161 void sqrtss(XMMRegister dst, XMMRegister src) { Assembler::sqrtss(dst, src); }
1162 void sqrtss(XMMRegister dst, Address src) { Assembler::sqrtss(dst, src); }
1163 void sqrtss(XMMRegister dst, AddressLiteral src);
1164
1165 void subsd(XMMRegister dst, XMMRegister src) { Assembler::subsd(dst, src); }
1166 void subsd(XMMRegister dst, Address src) { Assembler::subsd(dst, src); }
1167 void subsd(XMMRegister dst, AddressLiteral src);
1168
1169 void subss(XMMRegister dst, XMMRegister src) { Assembler::subss(dst, src); }
1170 void subss(XMMRegister dst, Address src) { Assembler::subss(dst, src); }
1171 void subss(XMMRegister dst, AddressLiteral src);
1172
1173 void ucomiss(XMMRegister dst, XMMRegister src) { Assembler::ucomiss(dst, src); }
1174 void ucomiss(XMMRegister dst, Address src) { Assembler::ucomiss(dst, src); }
1175 void ucomiss(XMMRegister dst, AddressLiteral src);
1176
1177 void ucomisd(XMMRegister dst, XMMRegister src) { Assembler::ucomisd(dst, src); }
1178 void ucomisd(XMMRegister dst, Address src) { Assembler::ucomisd(dst, src); }
1179 void ucomisd(XMMRegister dst, AddressLiteral src);
1180
1181 // Bitwise Logical XOR of Packed Double-Precision Floating-Point Values
1182 void xorpd(XMMRegister dst, XMMRegister src);
1183 void xorpd(XMMRegister dst, Address src) { Assembler::xorpd(dst, src); }
1184 void xorpd(XMMRegister dst, AddressLiteral src);
1185
1186 // Bitwise Logical XOR of Packed Single-Precision Floating-Point Values
1187 void xorps(XMMRegister dst, XMMRegister src);
1188 void xorps(XMMRegister dst, Address src) { Assembler::xorps(dst, src); }
1189 void xorps(XMMRegister dst, AddressLiteral src);
1190
1191 // Shuffle Bytes
1192 void pshufb(XMMRegister dst, XMMRegister src) { Assembler::pshufb(dst, src); }
1193 void pshufb(XMMRegister dst, Address src) { Assembler::pshufb(dst, src); }
1194 void pshufb(XMMRegister dst, AddressLiteral src);
1195 // AVX 3-operands instructions
1196
1197 void vaddsd(XMMRegister dst, XMMRegister nds, XMMRegister src) { Assembler::vaddsd(dst, nds, src); }
1198 void vaddsd(XMMRegister dst, XMMRegister nds, Address src) { Assembler::vaddsd(dst, nds, src); }
1199 void vaddsd(XMMRegister dst, XMMRegister nds, AddressLiteral src);
1200
1201 void vaddss(XMMRegister dst, XMMRegister nds, XMMRegister src) { Assembler::vaddss(dst, nds, src); }
1202 void vaddss(XMMRegister dst, XMMRegister nds, Address src) { Assembler::vaddss(dst, nds, src); }
1203 void vaddss(XMMRegister dst, XMMRegister nds, AddressLiteral src);
1204
1205 void vabsss(XMMRegister dst, XMMRegister nds, XMMRegister src, AddressLiteral negate_field, int vector_len);
1206 void vabssd(XMMRegister dst, XMMRegister nds, XMMRegister src, AddressLiteral negate_field, int vector_len);
1207
1208 void vpaddb(XMMRegister dst, XMMRegister nds, XMMRegister src, int vector_len);
1209 void vpaddb(XMMRegister dst, XMMRegister nds, Address src, int vector_len);
1210
1211 void vpaddw(XMMRegister dst, XMMRegister nds, XMMRegister src, int vector_len);
1212 void vpaddw(XMMRegister dst, XMMRegister nds, Address src, int vector_len);
1213
1214 void vpand(XMMRegister dst, XMMRegister nds, XMMRegister src, int vector_len) { Assembler::vpand(dst, nds, src, vector_len); }
1215 void vpand(XMMRegister dst, XMMRegister nds, Address src, int vector_len) { Assembler::vpand(dst, nds, src, vector_len); }
1216 void vpand(XMMRegister dst, XMMRegister nds, AddressLiteral src, int vector_len);
1217
1218 void vpbroadcastw(XMMRegister dst, XMMRegister src, int vector_len);
1219 void vpbroadcastw(XMMRegister dst, Address src, int vector_len) { Assembler::vpbroadcastw(dst, src, vector_len); }
1220
1221 void vpcmpeqb(XMMRegister dst, XMMRegister nds, XMMRegister src, int vector_len);
1222
1223 void vpcmpeqw(XMMRegister dst, XMMRegister nds, XMMRegister src, int vector_len);
1224
1225 void vpmovzxbw(XMMRegister dst, Address src, int vector_len);
1226 void vpmovzxbw(XMMRegister dst, XMMRegister src, int vector_len) { Assembler::vpmovzxbw(dst, src, vector_len); }
1227
1228 void vpmovmskb(Register dst, XMMRegister src);
1229
1230 void vpmullw(XMMRegister dst, XMMRegister nds, XMMRegister src, int vector_len);
1231 void vpmullw(XMMRegister dst, XMMRegister nds, Address src, int vector_len);
1232
1233 void vpsubb(XMMRegister dst, XMMRegister nds, XMMRegister src, int vector_len);
1234 void vpsubb(XMMRegister dst, XMMRegister nds, Address src, int vector_len);
1235
1236 void vpsubw(XMMRegister dst, XMMRegister nds, XMMRegister src, int vector_len);
1237 void vpsubw(XMMRegister dst, XMMRegister nds, Address src, int vector_len);
1238
1239 void vpsraw(XMMRegister dst, XMMRegister nds, XMMRegister shift, int vector_len);
1240 void vpsraw(XMMRegister dst, XMMRegister nds, int shift, int vector_len);
1241
1242 void vpsrlw(XMMRegister dst, XMMRegister nds, XMMRegister shift, int vector_len);
1243 void vpsrlw(XMMRegister dst, XMMRegister nds, int shift, int vector_len);
1244
1245 void vpsllw(XMMRegister dst, XMMRegister nds, XMMRegister shift, int vector_len);
1246 void vpsllw(XMMRegister dst, XMMRegister nds, int shift, int vector_len);
1247
1248 void vptest(XMMRegister dst, XMMRegister src);
1249
1250 void punpcklbw(XMMRegister dst, XMMRegister src);
1251 void punpcklbw(XMMRegister dst, Address src) { Assembler::punpcklbw(dst, src); }
1252
1253 void pshufd(XMMRegister dst, Address src, int mode);
1254 void pshufd(XMMRegister dst, XMMRegister src, int mode) { Assembler::pshufd(dst, src, mode); }
1255
1256 void pshuflw(XMMRegister dst, XMMRegister src, int mode);
1257 void pshuflw(XMMRegister dst, Address src, int mode) { Assembler::pshuflw(dst, src, mode); }
1258
1259 void vandpd(XMMRegister dst, XMMRegister nds, XMMRegister src, int vector_len) { Assembler::vandpd(dst, nds, src, vector_len); }
1260 void vandpd(XMMRegister dst, XMMRegister nds, Address src, int vector_len) { Assembler::vandpd(dst, nds, src, vector_len); }
1261 void vandpd(XMMRegister dst, XMMRegister nds, AddressLiteral src, int vector_len);
1262
1263 void vandps(XMMRegister dst, XMMRegister nds, XMMRegister src, int vector_len) { Assembler::vandps(dst, nds, src, vector_len); }
1264 void vandps(XMMRegister dst, XMMRegister nds, Address src, int vector_len) { Assembler::vandps(dst, nds, src, vector_len); }
1265 void vandps(XMMRegister dst, XMMRegister nds, AddressLiteral src, int vector_len);
1266
1267 void vdivsd(XMMRegister dst, XMMRegister nds, XMMRegister src) { Assembler::vdivsd(dst, nds, src); }
1268 void vdivsd(XMMRegister dst, XMMRegister nds, Address src) { Assembler::vdivsd(dst, nds, src); }
1269 void vdivsd(XMMRegister dst, XMMRegister nds, AddressLiteral src);
1270
1271 void vdivss(XMMRegister dst, XMMRegister nds, XMMRegister src) { Assembler::vdivss(dst, nds, src); }
1272 void vdivss(XMMRegister dst, XMMRegister nds, Address src) { Assembler::vdivss(dst, nds, src); }
1273 void vdivss(XMMRegister dst, XMMRegister nds, AddressLiteral src);
1274
1275 void vmulsd(XMMRegister dst, XMMRegister nds, XMMRegister src) { Assembler::vmulsd(dst, nds, src); }
1276 void vmulsd(XMMRegister dst, XMMRegister nds, Address src) { Assembler::vmulsd(dst, nds, src); }
1277 void vmulsd(XMMRegister dst, XMMRegister nds, AddressLiteral src);
1278
1279 void vmulss(XMMRegister dst, XMMRegister nds, XMMRegister src) { Assembler::vmulss(dst, nds, src); }
1280 void vmulss(XMMRegister dst, XMMRegister nds, Address src) { Assembler::vmulss(dst, nds, src); }
1281 void vmulss(XMMRegister dst, XMMRegister nds, AddressLiteral src);
1282
1283 void vsubsd(XMMRegister dst, XMMRegister nds, XMMRegister src) { Assembler::vsubsd(dst, nds, src); }
1284 void vsubsd(XMMRegister dst, XMMRegister nds, Address src) { Assembler::vsubsd(dst, nds, src); }
1285 void vsubsd(XMMRegister dst, XMMRegister nds, AddressLiteral src);
1286
1287 void vsubss(XMMRegister dst, XMMRegister nds, XMMRegister src) { Assembler::vsubss(dst, nds, src); }
1288 void vsubss(XMMRegister dst, XMMRegister nds, Address src) { Assembler::vsubss(dst, nds, src); }
1289 void vsubss(XMMRegister dst, XMMRegister nds, AddressLiteral src);
1290
1291 void vnegatess(XMMRegister dst, XMMRegister nds, AddressLiteral src);
1292 void vnegatesd(XMMRegister dst, XMMRegister nds, AddressLiteral src);
1293
1294 // AVX Vector instructions
1295
1296 void vxorpd(XMMRegister dst, XMMRegister nds, XMMRegister src, int vector_len) { Assembler::vxorpd(dst, nds, src, vector_len); }
1297 void vxorpd(XMMRegister dst, XMMRegister nds, Address src, int vector_len) { Assembler::vxorpd(dst, nds, src, vector_len); }
1298 void vxorpd(XMMRegister dst, XMMRegister nds, AddressLiteral src, int vector_len);
1299
1300 void vxorps(XMMRegister dst, XMMRegister nds, XMMRegister src, int vector_len) { Assembler::vxorps(dst, nds, src, vector_len); }
1301 void vxorps(XMMRegister dst, XMMRegister nds, Address src, int vector_len) { Assembler::vxorps(dst, nds, src, vector_len); }
1302 void vxorps(XMMRegister dst, XMMRegister nds, AddressLiteral src, int vector_len);
1303
1304 void vpxor(XMMRegister dst, XMMRegister nds, XMMRegister src, int vector_len) {
1305 if (UseAVX > 1 || (vector_len < 1)) // vpxor 256 bit is available only in AVX2
1306 Assembler::vpxor(dst, nds, src, vector_len);
1307 else
1308 Assembler::vxorpd(dst, nds, src, vector_len);
1309 }
1310 void vpxor(XMMRegister dst, XMMRegister nds, Address src, int vector_len) {
1311 if (UseAVX > 1 || (vector_len < 1)) // vpxor 256 bit is available only in AVX2
1312 Assembler::vpxor(dst, nds, src, vector_len);
1313 else
1314 Assembler::vxorpd(dst, nds, src, vector_len);
1315 }
1316
1317 // Simple version for AVX2 256bit vectors
1318 void vpxor(XMMRegister dst, XMMRegister src) { Assembler::vpxor(dst, dst, src, true); }
1319 void vpxor(XMMRegister dst, Address src) { Assembler::vpxor(dst, dst, src, true); }
1320
1321 void vinserti128(XMMRegister dst, XMMRegister nds, XMMRegister src, uint8_t imm8) {
1322 if (UseAVX > 2) {
1323 Assembler::vinserti32x4(dst, dst, src, imm8);
1324 } else if (UseAVX > 1) {
1325 // vinserti128 is available only in AVX2
1326 Assembler::vinserti128(dst, nds, src, imm8);
1327 } else {
1328 Assembler::vinsertf128(dst, nds, src, imm8);
1329 }
1330 }
1331
1332 void vinserti128(XMMRegister dst, XMMRegister nds, Address src, uint8_t imm8) {
1333 if (UseAVX > 2) {
1334 Assembler::vinserti32x4(dst, dst, src, imm8);
1335 } else if (UseAVX > 1) {
1336 // vinserti128 is available only in AVX2
1337 Assembler::vinserti128(dst, nds, src, imm8);
1338 } else {
1339 Assembler::vinsertf128(dst, nds, src, imm8);
1340 }
1341 }
1342
1343 void vextracti128(XMMRegister dst, XMMRegister src, uint8_t imm8) {
1344 if (UseAVX > 2) {
1345 Assembler::vextracti32x4(dst, src, imm8);
1346 } else if (UseAVX > 1) {
1347 // vextracti128 is available only in AVX2
1348 Assembler::vextracti128(dst, src, imm8);
1349 } else {
1350 Assembler::vextractf128(dst, src, imm8);
1351 }
1352 }
1353
1354 void vextracti128(Address dst, XMMRegister src, uint8_t imm8) {
1355 if (UseAVX > 2) {
1356 Assembler::vextracti32x4(dst, src, imm8);
1357 } else if (UseAVX > 1) {
1358 // vextracti128 is available only in AVX2
1359 Assembler::vextracti128(dst, src, imm8);
1360 } else {
1361 Assembler::vextractf128(dst, src, imm8);
1362 }
1363 }
1364
1365 // 128bit copy to/from high 128 bits of 256bit (YMM) vector registers
1366 void vinserti128_high(XMMRegister dst, XMMRegister src) {
1367 vinserti128(dst, dst, src, 1);
1368 }
1369 void vinserti128_high(XMMRegister dst, Address src) {
1370 vinserti128(dst, dst, src, 1);
1371 }
1372 void vextracti128_high(XMMRegister dst, XMMRegister src) {
1373 vextracti128(dst, src, 1);
1374 }
1375 void vextracti128_high(Address dst, XMMRegister src) {
1376 vextracti128(dst, src, 1);
1377 }
1378
1379 void vinsertf128_high(XMMRegister dst, XMMRegister src) {
1380 if (UseAVX > 2) {
1381 Assembler::vinsertf32x4(dst, dst, src, 1);
1382 } else {
1383 Assembler::vinsertf128(dst, dst, src, 1);
1384 }
1385 }
1386
1387 void vinsertf128_high(XMMRegister dst, Address src) {
1388 if (UseAVX > 2) {
1389 Assembler::vinsertf32x4(dst, dst, src, 1);
1390 } else {
1391 Assembler::vinsertf128(dst, dst, src, 1);
1392 }
1393 }
1394
1395 void vextractf128_high(XMMRegister dst, XMMRegister src) {
1396 if (UseAVX > 2) {
1397 Assembler::vextractf32x4(dst, src, 1);
1398 } else {
1399 Assembler::vextractf128(dst, src, 1);
1400 }
1401 }
1402
1403 void vextractf128_high(Address dst, XMMRegister src) {
1404 if (UseAVX > 2) {
1405 Assembler::vextractf32x4(dst, src, 1);
1406 } else {
1407 Assembler::vextractf128(dst, src, 1);
1408 }
1409 }
1410
1411 // 256bit copy to/from high 256 bits of 512bit (ZMM) vector registers
1412 void vinserti64x4_high(XMMRegister dst, XMMRegister src) {
1413 Assembler::vinserti64x4(dst, dst, src, 1);
1414 }
1415 void vinsertf64x4_high(XMMRegister dst, XMMRegister src) {
1416 Assembler::vinsertf64x4(dst, dst, src, 1);
1417 }
1418 void vextracti64x4_high(XMMRegister dst, XMMRegister src) {
1419 Assembler::vextracti64x4(dst, src, 1);
1420 }
1421 void vextractf64x4_high(XMMRegister dst, XMMRegister src) {
1422 Assembler::vextractf64x4(dst, src, 1);
1423 }
1424 void vextractf64x4_high(Address dst, XMMRegister src) {
1425 Assembler::vextractf64x4(dst, src, 1);
1426 }
1427 void vinsertf64x4_high(XMMRegister dst, Address src) {
1428 Assembler::vinsertf64x4(dst, dst, src, 1);
1429 }
1430
1431 // 128bit copy to/from low 128 bits of 256bit (YMM) vector registers
1432 void vinserti128_low(XMMRegister dst, XMMRegister src) {
1433 vinserti128(dst, dst, src, 0);
1434 }
1435 void vinserti128_low(XMMRegister dst, Address src) {
1436 vinserti128(dst, dst, src, 0);
1437 }
1438 void vextracti128_low(XMMRegister dst, XMMRegister src) {
1439 vextracti128(dst, src, 0);
1440 }
1441 void vextracti128_low(Address dst, XMMRegister src) {
1442 vextracti128(dst, src, 0);
1443 }
1444
1445 void vinsertf128_low(XMMRegister dst, XMMRegister src) {
1446 if (UseAVX > 2) {
1447 Assembler::vinsertf32x4(dst, dst, src, 0);
1448 } else {
1449 Assembler::vinsertf128(dst, dst, src, 0);
1450 }
1451 }
1452
1453 void vinsertf128_low(XMMRegister dst, Address src) {
1454 if (UseAVX > 2) {
1455 Assembler::vinsertf32x4(dst, dst, src, 0);
1456 } else {
1457 Assembler::vinsertf128(dst, dst, src, 0);
1458 }
1459 }
1460
1461 void vextractf128_low(XMMRegister dst, XMMRegister src) {
1462 if (UseAVX > 2) {
1463 Assembler::vextractf32x4(dst, src, 0);
1464 } else {
1465 Assembler::vextractf128(dst, src, 0);
1466 }
1467 }
1468
1469 void vextractf128_low(Address dst, XMMRegister src) {
1470 if (UseAVX > 2) {
1471 Assembler::vextractf32x4(dst, src, 0);
1472 } else {
1473 Assembler::vextractf128(dst, src, 0);
1474 }
1475 }
1476
1477 // 256bit copy to/from low 256 bits of 512bit (ZMM) vector registers
1478 void vinserti64x4_low(XMMRegister dst, XMMRegister src) {
1479 Assembler::vinserti64x4(dst, dst, src, 0);
1480 }
1481 void vinsertf64x4_low(XMMRegister dst, XMMRegister src) {
1482 Assembler::vinsertf64x4(dst, dst, src, 0);
1483 }
1484 void vextracti64x4_low(XMMRegister dst, XMMRegister src) {
1485 Assembler::vextracti64x4(dst, src, 0);
1486 }
1487 void vextractf64x4_low(XMMRegister dst, XMMRegister src) {
1488 Assembler::vextractf64x4(dst, src, 0);
1489 }
1490 void vextractf64x4_low(Address dst, XMMRegister src) {
1491 Assembler::vextractf64x4(dst, src, 0);
1492 }
1493 void vinsertf64x4_low(XMMRegister dst, Address src) {
1494 Assembler::vinsertf64x4(dst, dst, src, 0);
1495 }
1496
1497 // Carry-Less Multiplication Quadword
1498 void vpclmulldq(XMMRegister dst, XMMRegister nds, XMMRegister src) {
1499 // 0x00 - multiply lower 64 bits [0:63]
1500 Assembler::vpclmulqdq(dst, nds, src, 0x00);
1501 }
1502 void vpclmulhdq(XMMRegister dst, XMMRegister nds, XMMRegister src) {
1503 // 0x11 - multiply upper 64 bits [64:127]
1504 Assembler::vpclmulqdq(dst, nds, src, 0x11);
1505 }
1506 void vpclmullqhqdq(XMMRegister dst, XMMRegister nds, XMMRegister src) {
1507 // 0x10 - multiply nds[0:63] and src[64:127]
1508 Assembler::vpclmulqdq(dst, nds, src, 0x10);
1509 }
1510 void vpclmulhqlqdq(XMMRegister dst, XMMRegister nds, XMMRegister src) {
1511 //0x01 - multiply nds[64:127] and src[0:63]
1512 Assembler::vpclmulqdq(dst, nds, src, 0x01);
1513 }
1514
1515 void evpclmulldq(XMMRegister dst, XMMRegister nds, XMMRegister src, int vector_len) {
1516 // 0x00 - multiply lower 64 bits [0:63]
1517 Assembler::evpclmulqdq(dst, nds, src, 0x00, vector_len);
1518 }
1519 void evpclmulhdq(XMMRegister dst, XMMRegister nds, XMMRegister src, int vector_len) {
1520 // 0x11 - multiply upper 64 bits [64:127]
1521 Assembler::evpclmulqdq(dst, nds, src, 0x11, vector_len);
1522 }
1523
1524 // Data
1525
1526 void cmov32( Condition cc, Register dst, Address src);
1527 void cmov32( Condition cc, Register dst, Register src);
1528
1529 void cmov( Condition cc, Register dst, Register src) { cmovptr(cc, dst, src); }
1530
1531 void cmovptr(Condition cc, Register dst, Address src) { LP64_ONLY(cmovq(cc, dst, src)) NOT_LP64(cmov32(cc, dst, src)); }
1532 void cmovptr(Condition cc, Register dst, Register src) { LP64_ONLY(cmovq(cc, dst, src)) NOT_LP64(cmov32(cc, dst, src)); }
1533
1534 void movoop(Register dst, jobject obj);
1535 void movoop(Address dst, jobject obj);
1536
1537 void mov_metadata(Register dst, Metadata* obj);
1538 void mov_metadata(Address dst, Metadata* obj);
1539
1540 void movptr(ArrayAddress dst, Register src);
1541 // can this do an lea?
1542 void movptr(Register dst, ArrayAddress src);
1543
1544 void movptr(Register dst, Address src);
1545
1546 #ifdef _LP64
1547 void movptr(Register dst, AddressLiteral src, Register scratch=rscratch1);
1548 #else
1549 void movptr(Register dst, AddressLiteral src, Register scratch=noreg); // Scratch reg is ignored in 32-bit
1550 #endif
1551
1552 void movptr(Register dst, intptr_t src);
1553 void movptr(Register dst, Register src);
1554 void movptr(Address dst, intptr_t src);
1555
1556 void movptr(Address dst, Register src);
1557
1558 void movptr(Register dst, RegisterOrConstant src) {
1559 if (src.is_constant()) movptr(dst, src.as_constant());
1560 else movptr(dst, src.as_register());
1561 }
1562
1563 #ifdef _LP64
1564 // Generally the next two are only used for moving NULL
1565 // Although there are situations in initializing the mark word where
1566 // they could be used. They are dangerous.
1567
1568 // They only exist on LP64 so that int32_t and intptr_t are not the same
1569 // and we have ambiguous declarations.
1570
1571 void movptr(Address dst, int32_t imm32);
1572 void movptr(Register dst, int32_t imm32);
1573 #endif // _LP64
1574
1575 // to avoid hiding movl
1576 void mov32(AddressLiteral dst, Register src);
1577 void mov32(Register dst, AddressLiteral src);
1578
1579 // to avoid hiding movb
1580 void movbyte(ArrayAddress dst, int src);
1581
1582 // Import other mov() methods from the parent class or else
1583 // they will be hidden by the following overriding declaration.
1584 using Assembler::movdl;
1585 using Assembler::movq;
1586 void movdl(XMMRegister dst, AddressLiteral src);
1587 void movq(XMMRegister dst, AddressLiteral src);
1588
1589 // Can push value or effective address
1590 void pushptr(AddressLiteral src);
1591
1592 void pushptr(Address src) { LP64_ONLY(pushq(src)) NOT_LP64(pushl(src)); }
1593 void popptr(Address src) { LP64_ONLY(popq(src)) NOT_LP64(popl(src)); }
1594
1595 void pushoop(jobject obj);
1596 void pushklass(Metadata* obj);
1597
1598 // sign extend as need a l to ptr sized element
1599 void movl2ptr(Register dst, Address src) { LP64_ONLY(movslq(dst, src)) NOT_LP64(movl(dst, src)); }
1600 void movl2ptr(Register dst, Register src) { LP64_ONLY(movslq(dst, src)) NOT_LP64(if (dst != src) movl(dst, src)); }
1601
1602 // C2 compiled method's prolog code.
1603 void verified_entry(int framesize, int stack_bang_size, bool fp_mode_24b, bool is_stub);
1604
1605 // clear memory of size 'cnt' qwords, starting at 'base';
1606 // if 'is_large' is set, do not try to produce short loop
1607 void clear_mem(Register base, Register cnt, Register rtmp, XMMRegister xtmp, bool is_large);
1608
1609 // clear memory of size 'cnt' qwords, starting at 'base' using XMM/YMM registers
1610 void xmm_clear_mem(Register base, Register cnt, XMMRegister xtmp);
1611
1612 #ifdef COMPILER2
1613 void string_indexof_char(Register str1, Register cnt1, Register ch, Register result,
1614 XMMRegister vec1, XMMRegister vec2, XMMRegister vec3, Register tmp);
1615
1616 // IndexOf strings.
1617 // Small strings are loaded through stack if they cross page boundary.
1618 void string_indexof(Register str1, Register str2,
1619 Register cnt1, Register cnt2,
1620 int int_cnt2, Register result,
1621 XMMRegister vec, Register tmp,
1622 int ae);
1623
1624 // IndexOf for constant substrings with size >= 8 elements
1625 // which don't need to be loaded through stack.
1626 void string_indexofC8(Register str1, Register str2,
1627 Register cnt1, Register cnt2,
1628 int int_cnt2, Register result,
1629 XMMRegister vec, Register tmp,
1630 int ae);
1631
1632 // Smallest code: we don't need to load through stack,
1633 // check string tail.
1634
1635 // helper function for string_compare
1636 void load_next_elements(Register elem1, Register elem2, Register str1, Register str2,
1637 Address::ScaleFactor scale, Address::ScaleFactor scale1,
1638 Address::ScaleFactor scale2, Register index, int ae);
1639 // Compare strings.
1640 void string_compare(Register str1, Register str2,
1641 Register cnt1, Register cnt2, Register result,
1642 XMMRegister vec1, int ae);
1643
1644 // Search for Non-ASCII character (Negative byte value) in a byte array,
1645 // return true if it has any and false otherwise.
1646 void has_negatives(Register ary1, Register len,
1647 Register result, Register tmp1,
1648 XMMRegister vec1, XMMRegister vec2);
1649
1650 // Compare char[] or byte[] arrays.
1651 void arrays_equals(bool is_array_equ, Register ary1, Register ary2,
1652 Register limit, Register result, Register chr,
1653 XMMRegister vec1, XMMRegister vec2, bool is_char);
1654
1655 #endif
1656
1657 // Fill primitive arrays
1658 void generate_fill(BasicType t, bool aligned,
1659 Register to, Register value, Register count,
1660 Register rtmp, XMMRegister xtmp);
1661
1662 void encode_iso_array(Register src, Register dst, Register len,
1663 XMMRegister tmp1, XMMRegister tmp2, XMMRegister tmp3,
1664 XMMRegister tmp4, Register tmp5, Register result);
1665
1666 #ifdef _LP64
1667 void add2_with_carry(Register dest_hi, Register dest_lo, Register src1, Register src2);
1668 void multiply_64_x_64_loop(Register x, Register xstart, Register x_xstart,
1669 Register y, Register y_idx, Register z,
1670 Register carry, Register product,
1671 Register idx, Register kdx);
1672 void multiply_add_128_x_128(Register x_xstart, Register y, Register z,
1673 Register yz_idx, Register idx,
1674 Register carry, Register product, int offset);
1675 void multiply_128_x_128_bmi2_loop(Register y, Register z,
1676 Register carry, Register carry2,
1677 Register idx, Register jdx,
1678 Register yz_idx1, Register yz_idx2,
1679 Register tmp, Register tmp3, Register tmp4);
1680 void multiply_128_x_128_loop(Register x_xstart, Register y, Register z,
1681 Register yz_idx, Register idx, Register jdx,
1682 Register carry, Register product,
1683 Register carry2);
1684 void multiply_to_len(Register x, Register xlen, Register y, Register ylen, Register z, Register zlen,
1685 Register tmp1, Register tmp2, Register tmp3, Register tmp4, Register tmp5);
1686 void square_rshift(Register x, Register len, Register z, Register tmp1, Register tmp3,
1687 Register tmp4, Register tmp5, Register rdxReg, Register raxReg);
1688 void multiply_add_64_bmi2(Register sum, Register op1, Register op2, Register carry,
1689 Register tmp2);
1690 void multiply_add_64(Register sum, Register op1, Register op2, Register carry,
1691 Register rdxReg, Register raxReg);
1692 void add_one_64(Register z, Register zlen, Register carry, Register tmp1);
1693 void lshift_by_1(Register x, Register len, Register z, Register zlen, Register tmp1, Register tmp2,
1694 Register tmp3, Register tmp4);
1695 void square_to_len(Register x, Register len, Register z, Register zlen, Register tmp1, Register tmp2,
1696 Register tmp3, Register tmp4, Register tmp5, Register rdxReg, Register raxReg);
1697
1698 void mul_add_128_x_32_loop(Register out, Register in, Register offset, Register len, Register tmp1,
1699 Register tmp2, Register tmp3, Register tmp4, Register tmp5, Register rdxReg,
1700 Register raxReg);
1701 void mul_add(Register out, Register in, Register offset, Register len, Register k, Register tmp1,
1702 Register tmp2, Register tmp3, Register tmp4, Register tmp5, Register rdxReg,
1703 Register raxReg);
1704 void vectorized_mismatch(Register obja, Register objb, Register length, Register log2_array_indxscale,
1705 Register result, Register tmp1, Register tmp2,
1706 XMMRegister vec1, XMMRegister vec2, XMMRegister vec3);
1707 #endif
1708
1709 // CRC32 code for java.util.zip.CRC32::updateBytes() intrinsic.
1710 void update_byte_crc32(Register crc, Register val, Register table);
1711 void kernel_crc32(Register crc, Register buf, Register len, Register table, Register tmp);
1712 // CRC32C code for java.util.zip.CRC32C::updateBytes() intrinsic
1713 // Note on a naming convention:
1714 // Prefix w = register only used on a Westmere+ architecture
1715 // Prefix n = register only used on a Nehalem architecture
1716 #ifdef _LP64
1717 void crc32c_ipl_alg4(Register in_out, uint32_t n,
1718 Register tmp1, Register tmp2, Register tmp3);
1719 #else
1720 void crc32c_ipl_alg4(Register in_out, uint32_t n,
1721 Register tmp1, Register tmp2, Register tmp3,
1722 XMMRegister xtmp1, XMMRegister xtmp2);
1723 #endif
1724 void crc32c_pclmulqdq(XMMRegister w_xtmp1,
1725 Register in_out,
1726 uint32_t const_or_pre_comp_const_index, bool is_pclmulqdq_supported,
1727 XMMRegister w_xtmp2,
1728 Register tmp1,
1729 Register n_tmp2, Register n_tmp3);
1730 void crc32c_rec_alt2(uint32_t const_or_pre_comp_const_index_u1, uint32_t const_or_pre_comp_const_index_u2, bool is_pclmulqdq_supported, Register in_out, Register in1, Register in2,
1731 XMMRegister w_xtmp1, XMMRegister w_xtmp2, XMMRegister w_xtmp3,
1732 Register tmp1, Register tmp2,
1733 Register n_tmp3);
1734 void crc32c_proc_chunk(uint32_t size, uint32_t const_or_pre_comp_const_index_u1, uint32_t const_or_pre_comp_const_index_u2, bool is_pclmulqdq_supported,
1735 Register in_out1, Register in_out2, Register in_out3,
1736 Register tmp1, Register tmp2, Register tmp3,
1737 XMMRegister w_xtmp1, XMMRegister w_xtmp2, XMMRegister w_xtmp3,
1738 Register tmp4, Register tmp5,
1739 Register n_tmp6);
1740 void crc32c_ipl_alg2_alt2(Register in_out, Register in1, Register in2,
1741 Register tmp1, Register tmp2, Register tmp3,
1742 Register tmp4, Register tmp5, Register tmp6,
1743 XMMRegister w_xtmp1, XMMRegister w_xtmp2, XMMRegister w_xtmp3,
1744 bool is_pclmulqdq_supported);
1745 // Fold 128-bit data chunk
1746 void fold_128bit_crc32(XMMRegister xcrc, XMMRegister xK, XMMRegister xtmp, Register buf, int offset);
1747 void fold_128bit_crc32(XMMRegister xcrc, XMMRegister xK, XMMRegister xtmp, XMMRegister xbuf);
1748 // Fold 8-bit data
1749 void fold_8bit_crc32(Register crc, Register table, Register tmp);
1750 void fold_8bit_crc32(XMMRegister crc, Register table, XMMRegister xtmp, Register tmp);
1751 void fold_128bit_crc32_avx512(XMMRegister xcrc, XMMRegister xK, XMMRegister xtmp, Register buf, int offset);
1752
1753 // Compress char[] array to byte[].
1754 void char_array_compress(Register src, Register dst, Register len,
1755 XMMRegister tmp1, XMMRegister tmp2, XMMRegister tmp3,
1756 XMMRegister tmp4, Register tmp5, Register result);
1757
1758 // Inflate byte[] array to char[].
1759 void byte_array_inflate(Register src, Register dst, Register len,
1760 XMMRegister tmp1, Register tmp2);
1761
1762 };
1763
1764 /**
1765 * class SkipIfEqual:
1766 *
1767 * Instantiating this class will result in assembly code being output that will
1768 * jump around any code emitted between the creation of the instance and it's
1769 * automatic destruction at the end of a scope block, depending on the value of
1770 * the flag passed to the constructor, which will be checked at run-time.
1771 */
1772 class SkipIfEqual {
1773 private:
1774 MacroAssembler* _masm;
1775 Label _label;
1776
1777 public:
1778 SkipIfEqual(MacroAssembler*, const bool* flag_addr, bool value);
1779 ~SkipIfEqual();
1780 };
1781
1782 #endif // CPU_X86_VM_MACROASSEMBLER_X86_HPP