1 /*
2 * Copyright (c) 2002, 2013, Oracle and/or its affiliates. All rights reserved.
3 * Copyright 2012, 2013 SAP AG. All rights reserved.
4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
5 *
6 * This code is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License version 2 only, as
8 * published by the Free Software Foundation.
9 *
10 * This code is distributed in the hope that it will be useful, but WITHOUT
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
13 * version 2 for more details (a copy is included in the LICENSE file that
14 * accompanied this code).
15 *
16 * You should have received a copy of the GNU General Public License version
17 * 2 along with this work; if not, write to the Free Software Foundation,
18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
19 *
20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
21 * or visit www.oracle.com if you need additional information or have any
22 * questions.
23 *
24 */
25
26 #ifndef CPU_PPC_VM_ASSEMBLER_PPC_HPP
27 #define CPU_PPC_VM_ASSEMBLER_PPC_HPP
28
29 #include "asm/register.hpp"
30
31 // Address is an abstraction used to represent a memory location
32 // as used in assembler instructions.
33 // PPC instructions grok either baseReg + indexReg or baseReg + disp.
34 // So far we do not use this as simplification by this class is low
35 // on PPC with its simple addressing mode. Use RegisterOrConstant to
36 // represent an offset.
37 class Address VALUE_OBJ_CLASS_SPEC {
38 };
39
40 class AddressLiteral VALUE_OBJ_CLASS_SPEC {
41 private:
42 address _address;
43 RelocationHolder _rspec;
44
45 RelocationHolder rspec_from_rtype(relocInfo::relocType rtype, address addr) {
46 switch (rtype) {
47 case relocInfo::external_word_type:
48 return external_word_Relocation::spec(addr);
49 case relocInfo::internal_word_type:
50 return internal_word_Relocation::spec(addr);
51 case relocInfo::opt_virtual_call_type:
52 return opt_virtual_call_Relocation::spec();
53 case relocInfo::static_call_type:
54 return static_call_Relocation::spec();
55 case relocInfo::runtime_call_type:
56 return runtime_call_Relocation::spec();
57 case relocInfo::none:
58 return RelocationHolder();
59 default:
60 ShouldNotReachHere();
61 return RelocationHolder();
62 }
63 }
64
65 protected:
66 // creation
67 AddressLiteral() : _address(NULL), _rspec(NULL) {}
68
69 public:
70 AddressLiteral(address addr, RelocationHolder const& rspec)
71 : _address(addr),
72 _rspec(rspec) {}
73
74 AddressLiteral(address addr, relocInfo::relocType rtype = relocInfo::none)
75 : _address((address) addr),
76 _rspec(rspec_from_rtype(rtype, (address) addr)) {}
77
78 AddressLiteral(oop* addr, relocInfo::relocType rtype = relocInfo::none)
79 : _address((address) addr),
80 _rspec(rspec_from_rtype(rtype, (address) addr)) {}
81
82 intptr_t value() const { return (intptr_t) _address; }
83
84 const RelocationHolder& rspec() const { return _rspec; }
85 };
86
87 // Argument is an abstraction used to represent an outgoing
88 // actual argument or an incoming formal parameter, whether
89 // it resides in memory or in a register, in a manner consistent
90 // with the PPC Application Binary Interface, or ABI. This is
91 // often referred to as the native or C calling convention.
92
93 class Argument VALUE_OBJ_CLASS_SPEC {
94 private:
95 int _number; // The number of the argument.
96 public:
97 enum {
98 // Only 8 registers may contain integer parameters.
99 n_register_parameters = 8,
100 // Can have up to 8 floating registers.
101 n_float_register_parameters = 8,
102
103 // PPC C calling conventions.
104 // The first eight arguments are passed in int regs if they are int.
105 n_int_register_parameters_c = 8,
106 // The first thirteen float arguments are passed in float regs.
107 n_float_register_parameters_c = 13,
108 // Only the first 8 parameters are not placed on the stack. Aix disassembly
109 // shows that xlC places all float args after argument 8 on the stack AND
110 // in a register. This is not documented, but we follow this convention, too.
111 n_regs_not_on_stack_c = 8,
112 };
113 // creation
114 Argument(int number) : _number(number) {}
115
116 int number() const { return _number; }
117
118 // Locating register-based arguments:
119 bool is_register() const { return _number < n_register_parameters; }
120
121 Register as_register() const {
122 assert(is_register(), "must be a register argument");
123 return as_Register(number() + R3_ARG1->encoding());
124 }
125 };
126
127 #if !defined(ABI_ELFv2)
128 // A ppc64 function descriptor.
129 struct FunctionDescriptor VALUE_OBJ_CLASS_SPEC {
130 private:
131 address _entry;
132 address _toc;
133 address _env;
134
135 public:
136 inline address entry() const { return _entry; }
137 inline address toc() const { return _toc; }
138 inline address env() const { return _env; }
139
140 inline void set_entry(address entry) { _entry = entry; }
141 inline void set_toc( address toc) { _toc = toc; }
142 inline void set_env( address env) { _env = env; }
143
144 inline static ByteSize entry_offset() { return byte_offset_of(FunctionDescriptor, _entry); }
145 inline static ByteSize toc_offset() { return byte_offset_of(FunctionDescriptor, _toc); }
146 inline static ByteSize env_offset() { return byte_offset_of(FunctionDescriptor, _env); }
147
148 // Friend functions can be called without loading toc and env.
149 enum {
150 friend_toc = 0xcafe,
151 friend_env = 0xc0de
152 };
153
154 inline bool is_friend_function() const {
155 return (toc() == (address) friend_toc) && (env() == (address) friend_env);
156 }
157
158 // Constructor for stack-allocated instances.
159 FunctionDescriptor() {
160 _entry = (address) 0xbad;
161 _toc = (address) 0xbad;
162 _env = (address) 0xbad;
163 }
164 };
165 #endif
166
167 class Assembler : public AbstractAssembler {
168 protected:
169 // Displacement routines
170 static void print_instruction(int inst);
171 static int patched_branch(int dest_pos, int inst, int inst_pos);
172 static int branch_destination(int inst, int pos);
173
174 friend class AbstractAssembler;
175
176 // Code patchers need various routines like inv_wdisp()
177 friend class NativeInstruction;
178 friend class NativeGeneralJump;
179 friend class Relocation;
180
181 public:
182
183 enum shifts {
184 XO_21_29_SHIFT = 2,
185 XO_21_30_SHIFT = 1,
186 XO_27_29_SHIFT = 2,
187 XO_30_31_SHIFT = 0,
188 SPR_5_9_SHIFT = 11u, // SPR_5_9 field in bits 11 -- 15
189 SPR_0_4_SHIFT = 16u, // SPR_0_4 field in bits 16 -- 20
190 RS_SHIFT = 21u, // RS field in bits 21 -- 25
191 OPCODE_SHIFT = 26u, // opcode in bits 26 -- 31
192 };
193
194 enum opcdxos_masks {
195 XL_FORM_OPCODE_MASK = (63u << OPCODE_SHIFT) | (1023u << 1),
196 ADDI_OPCODE_MASK = (63u << OPCODE_SHIFT),
197 ADDIS_OPCODE_MASK = (63u << OPCODE_SHIFT),
198 BXX_OPCODE_MASK = (63u << OPCODE_SHIFT),
199 BCXX_OPCODE_MASK = (63u << OPCODE_SHIFT),
200 // trap instructions
201 TDI_OPCODE_MASK = (63u << OPCODE_SHIFT),
202 TWI_OPCODE_MASK = (63u << OPCODE_SHIFT),
203 TD_OPCODE_MASK = (63u << OPCODE_SHIFT) | (1023u << 1),
204 TW_OPCODE_MASK = (63u << OPCODE_SHIFT) | (1023u << 1),
205 LD_OPCODE_MASK = (63u << OPCODE_SHIFT) | (3u << XO_30_31_SHIFT), // DS-FORM
206 STD_OPCODE_MASK = LD_OPCODE_MASK,
207 STDU_OPCODE_MASK = STD_OPCODE_MASK,
208 STDX_OPCODE_MASK = (63u << OPCODE_SHIFT) | (1023u << 1),
209 STDUX_OPCODE_MASK = STDX_OPCODE_MASK,
210 STW_OPCODE_MASK = (63u << OPCODE_SHIFT),
211 STWU_OPCODE_MASK = STW_OPCODE_MASK,
212 STWX_OPCODE_MASK = (63u << OPCODE_SHIFT) | (1023u << 1),
213 STWUX_OPCODE_MASK = STWX_OPCODE_MASK,
214 MTCTR_OPCODE_MASK = ~(31u << RS_SHIFT),
215 ORI_OPCODE_MASK = (63u << OPCODE_SHIFT),
216 ORIS_OPCODE_MASK = (63u << OPCODE_SHIFT),
217 RLDICR_OPCODE_MASK = (63u << OPCODE_SHIFT) | (7u << XO_27_29_SHIFT)
218 };
219
220 enum opcdxos {
221 ADD_OPCODE = (31u << OPCODE_SHIFT | 266u << 1),
222 ADDC_OPCODE = (31u << OPCODE_SHIFT | 10u << 1),
223 ADDI_OPCODE = (14u << OPCODE_SHIFT),
224 ADDIS_OPCODE = (15u << OPCODE_SHIFT),
225 ADDIC__OPCODE = (13u << OPCODE_SHIFT),
226 ADDE_OPCODE = (31u << OPCODE_SHIFT | 138u << 1),
227 SUBF_OPCODE = (31u << OPCODE_SHIFT | 40u << 1),
228 SUBFC_OPCODE = (31u << OPCODE_SHIFT | 8u << 1),
229 SUBFE_OPCODE = (31u << OPCODE_SHIFT | 136u << 1),
230 SUBFIC_OPCODE = (8u << OPCODE_SHIFT),
231 SUBFZE_OPCODE = (31u << OPCODE_SHIFT | 200u << 1),
232 DIVW_OPCODE = (31u << OPCODE_SHIFT | 491u << 1),
233 MULLW_OPCODE = (31u << OPCODE_SHIFT | 235u << 1),
234 MULHW_OPCODE = (31u << OPCODE_SHIFT | 75u << 1),
235 MULHWU_OPCODE = (31u << OPCODE_SHIFT | 11u << 1),
236 MULLI_OPCODE = (7u << OPCODE_SHIFT),
237 AND_OPCODE = (31u << OPCODE_SHIFT | 28u << 1),
238 ANDI_OPCODE = (28u << OPCODE_SHIFT),
239 ANDIS_OPCODE = (29u << OPCODE_SHIFT),
240 ANDC_OPCODE = (31u << OPCODE_SHIFT | 60u << 1),
241 ORC_OPCODE = (31u << OPCODE_SHIFT | 412u << 1),
242 OR_OPCODE = (31u << OPCODE_SHIFT | 444u << 1),
243 ORI_OPCODE = (24u << OPCODE_SHIFT),
244 ORIS_OPCODE = (25u << OPCODE_SHIFT),
245 XOR_OPCODE = (31u << OPCODE_SHIFT | 316u << 1),
246 XORI_OPCODE = (26u << OPCODE_SHIFT),
247 XORIS_OPCODE = (27u << OPCODE_SHIFT),
248
249 NEG_OPCODE = (31u << OPCODE_SHIFT | 104u << 1),
250
251 RLWINM_OPCODE = (21u << OPCODE_SHIFT),
252 CLRRWI_OPCODE = RLWINM_OPCODE,
253 CLRLWI_OPCODE = RLWINM_OPCODE,
254
255 RLWIMI_OPCODE = (20u << OPCODE_SHIFT),
256
257 SLW_OPCODE = (31u << OPCODE_SHIFT | 24u << 1),
258 SLWI_OPCODE = RLWINM_OPCODE,
259 SRW_OPCODE = (31u << OPCODE_SHIFT | 536u << 1),
260 SRWI_OPCODE = RLWINM_OPCODE,
261 SRAW_OPCODE = (31u << OPCODE_SHIFT | 792u << 1),
262 SRAWI_OPCODE = (31u << OPCODE_SHIFT | 824u << 1),
263
264 CMP_OPCODE = (31u << OPCODE_SHIFT | 0u << 1),
265 CMPI_OPCODE = (11u << OPCODE_SHIFT),
266 CMPL_OPCODE = (31u << OPCODE_SHIFT | 32u << 1),
267 CMPLI_OPCODE = (10u << OPCODE_SHIFT),
268
269 ISEL_OPCODE = (31u << OPCODE_SHIFT | 15u << 1),
270
271 // Special purpose registers
272 MTSPR_OPCODE = (31u << OPCODE_SHIFT | 467u << 1),
273 MFSPR_OPCODE = (31u << OPCODE_SHIFT | 339u << 1),
274
275 MTXER_OPCODE = (MTSPR_OPCODE | 1 << SPR_0_4_SHIFT),
276 MFXER_OPCODE = (MFSPR_OPCODE | 1 << SPR_0_4_SHIFT),
277
278 MTDSCR_OPCODE = (MTSPR_OPCODE | 3 << SPR_0_4_SHIFT),
279 MFDSCR_OPCODE = (MFSPR_OPCODE | 3 << SPR_0_4_SHIFT),
280
281 MTLR_OPCODE = (MTSPR_OPCODE | 8 << SPR_0_4_SHIFT),
282 MFLR_OPCODE = (MFSPR_OPCODE | 8 << SPR_0_4_SHIFT),
283
284 MTCTR_OPCODE = (MTSPR_OPCODE | 9 << SPR_0_4_SHIFT),
285 MFCTR_OPCODE = (MFSPR_OPCODE | 9 << SPR_0_4_SHIFT),
286
287 MTTFHAR_OPCODE = (MTSPR_OPCODE | 128 << SPR_0_4_SHIFT),
288 MFTFHAR_OPCODE = (MFSPR_OPCODE | 128 << SPR_0_4_SHIFT),
289 MTTFIAR_OPCODE = (MTSPR_OPCODE | 129 << SPR_0_4_SHIFT),
290 MFTFIAR_OPCODE = (MFSPR_OPCODE | 129 << SPR_0_4_SHIFT),
291 MTTEXASR_OPCODE = (MTSPR_OPCODE | 130 << SPR_0_4_SHIFT),
292 MFTEXASR_OPCODE = (MFSPR_OPCODE | 130 << SPR_0_4_SHIFT),
293 MTTEXASRU_OPCODE = (MTSPR_OPCODE | 131 << SPR_0_4_SHIFT),
294 MFTEXASRU_OPCODE = (MFSPR_OPCODE | 131 << SPR_0_4_SHIFT),
295
296 MTVRSAVE_OPCODE = (MTSPR_OPCODE | 256 << SPR_0_4_SHIFT),
297 MFVRSAVE_OPCODE = (MFSPR_OPCODE | 256 << SPR_0_4_SHIFT),
298
299 MFTB_OPCODE = (MFSPR_OPCODE | 268 << SPR_0_4_SHIFT),
300
301 MTCRF_OPCODE = (31u << OPCODE_SHIFT | 144u << 1),
302 MFCR_OPCODE = (31u << OPCODE_SHIFT | 19u << 1),
303 MCRF_OPCODE = (19u << OPCODE_SHIFT | 0u << 1),
304
305 // condition register logic instructions
306 CRAND_OPCODE = (19u << OPCODE_SHIFT | 257u << 1),
307 CRNAND_OPCODE = (19u << OPCODE_SHIFT | 225u << 1),
308 CROR_OPCODE = (19u << OPCODE_SHIFT | 449u << 1),
309 CRXOR_OPCODE = (19u << OPCODE_SHIFT | 193u << 1),
310 CRNOR_OPCODE = (19u << OPCODE_SHIFT | 33u << 1),
311 CREQV_OPCODE = (19u << OPCODE_SHIFT | 289u << 1),
312 CRANDC_OPCODE = (19u << OPCODE_SHIFT | 129u << 1),
313 CRORC_OPCODE = (19u << OPCODE_SHIFT | 417u << 1),
314
315 BCLR_OPCODE = (19u << OPCODE_SHIFT | 16u << 1),
316 BXX_OPCODE = (18u << OPCODE_SHIFT),
317 BCXX_OPCODE = (16u << OPCODE_SHIFT),
318
319 // CTR-related opcodes
320 BCCTR_OPCODE = (19u << OPCODE_SHIFT | 528u << 1),
321
322 LWZ_OPCODE = (32u << OPCODE_SHIFT),
323 LWZX_OPCODE = (31u << OPCODE_SHIFT | 23u << 1),
324 LWZU_OPCODE = (33u << OPCODE_SHIFT),
325 LWBRX_OPCODE = (31u << OPCODE_SHIFT | 534 << 1),
326
327 LHA_OPCODE = (42u << OPCODE_SHIFT),
328 LHAX_OPCODE = (31u << OPCODE_SHIFT | 343u << 1),
329 LHAU_OPCODE = (43u << OPCODE_SHIFT),
330
331 LHZ_OPCODE = (40u << OPCODE_SHIFT),
332 LHZX_OPCODE = (31u << OPCODE_SHIFT | 279u << 1),
333 LHZU_OPCODE = (41u << OPCODE_SHIFT),
334 LHBRX_OPCODE = (31u << OPCODE_SHIFT | 790 << 1),
335
336 LBZ_OPCODE = (34u << OPCODE_SHIFT),
337 LBZX_OPCODE = (31u << OPCODE_SHIFT | 87u << 1),
338 LBZU_OPCODE = (35u << OPCODE_SHIFT),
339
340 STW_OPCODE = (36u << OPCODE_SHIFT),
341 STWX_OPCODE = (31u << OPCODE_SHIFT | 151u << 1),
342 STWU_OPCODE = (37u << OPCODE_SHIFT),
343 STWUX_OPCODE = (31u << OPCODE_SHIFT | 183u << 1),
344
345 STH_OPCODE = (44u << OPCODE_SHIFT),
346 STHX_OPCODE = (31u << OPCODE_SHIFT | 407u << 1),
347 STHU_OPCODE = (45u << OPCODE_SHIFT),
348
349 STB_OPCODE = (38u << OPCODE_SHIFT),
350 STBX_OPCODE = (31u << OPCODE_SHIFT | 215u << 1),
351 STBU_OPCODE = (39u << OPCODE_SHIFT),
352
353 EXTSB_OPCODE = (31u << OPCODE_SHIFT | 954u << 1),
354 EXTSH_OPCODE = (31u << OPCODE_SHIFT | 922u << 1),
355 EXTSW_OPCODE = (31u << OPCODE_SHIFT | 986u << 1), // X-FORM
356
357 // 32 bit opcode encodings
358
359 LWA_OPCODE = (58u << OPCODE_SHIFT | 2u << XO_30_31_SHIFT), // DS-FORM
360 LWAX_OPCODE = (31u << OPCODE_SHIFT | 341u << XO_21_30_SHIFT), // X-FORM
361
362 CNTLZW_OPCODE = (31u << OPCODE_SHIFT | 26u << XO_21_30_SHIFT), // X-FORM
363
364 // 64 bit opcode encodings
365
366 LD_OPCODE = (58u << OPCODE_SHIFT | 0u << XO_30_31_SHIFT), // DS-FORM
367 LDU_OPCODE = (58u << OPCODE_SHIFT | 1u << XO_30_31_SHIFT), // DS-FORM
368 LDX_OPCODE = (31u << OPCODE_SHIFT | 21u << XO_21_30_SHIFT), // X-FORM
369
370 STD_OPCODE = (62u << OPCODE_SHIFT | 0u << XO_30_31_SHIFT), // DS-FORM
371 STDU_OPCODE = (62u << OPCODE_SHIFT | 1u << XO_30_31_SHIFT), // DS-FORM
372 STDUX_OPCODE = (31u << OPCODE_SHIFT | 181u << 1), // X-FORM
373 STDX_OPCODE = (31u << OPCODE_SHIFT | 149u << XO_21_30_SHIFT), // X-FORM
374
375 RLDICR_OPCODE = (30u << OPCODE_SHIFT | 1u << XO_27_29_SHIFT), // MD-FORM
376 RLDICL_OPCODE = (30u << OPCODE_SHIFT | 0u << XO_27_29_SHIFT), // MD-FORM
377 RLDIC_OPCODE = (30u << OPCODE_SHIFT | 2u << XO_27_29_SHIFT), // MD-FORM
378 RLDIMI_OPCODE = (30u << OPCODE_SHIFT | 3u << XO_27_29_SHIFT), // MD-FORM
379
380 SRADI_OPCODE = (31u << OPCODE_SHIFT | 413u << XO_21_29_SHIFT), // XS-FORM
381
382 SLD_OPCODE = (31u << OPCODE_SHIFT | 27u << 1), // X-FORM
383 SRD_OPCODE = (31u << OPCODE_SHIFT | 539u << 1), // X-FORM
384 SRAD_OPCODE = (31u << OPCODE_SHIFT | 794u << 1), // X-FORM
385
386 MULLD_OPCODE = (31u << OPCODE_SHIFT | 233u << 1), // XO-FORM
387 MULHD_OPCODE = (31u << OPCODE_SHIFT | 73u << 1), // XO-FORM
388 MULHDU_OPCODE = (31u << OPCODE_SHIFT | 9u << 1), // XO-FORM
389 DIVD_OPCODE = (31u << OPCODE_SHIFT | 489u << 1), // XO-FORM
390
391 CNTLZD_OPCODE = (31u << OPCODE_SHIFT | 58u << XO_21_30_SHIFT), // X-FORM
392 NAND_OPCODE = (31u << OPCODE_SHIFT | 476u << XO_21_30_SHIFT), // X-FORM
393 NOR_OPCODE = (31u << OPCODE_SHIFT | 124u << XO_21_30_SHIFT), // X-FORM
394
395
396 // opcodes only used for floating arithmetic
397 FADD_OPCODE = (63u << OPCODE_SHIFT | 21u << 1),
398 FADDS_OPCODE = (59u << OPCODE_SHIFT | 21u << 1),
399 FCMPU_OPCODE = (63u << OPCODE_SHIFT | 00u << 1),
400 FDIV_OPCODE = (63u << OPCODE_SHIFT | 18u << 1),
401 FDIVS_OPCODE = (59u << OPCODE_SHIFT | 18u << 1),
402 FMR_OPCODE = (63u << OPCODE_SHIFT | 72u << 1),
403 // These are special Power6 opcodes, reused for "lfdepx" and "stfdepx"
404 // on Power7. Do not use.
405 // MFFGPR_OPCODE = (31u << OPCODE_SHIFT | 607u << 1),
406 // MFTGPR_OPCODE = (31u << OPCODE_SHIFT | 735u << 1),
407 CMPB_OPCODE = (31u << OPCODE_SHIFT | 508 << 1),
408 POPCNTB_OPCODE = (31u << OPCODE_SHIFT | 122 << 1),
409 POPCNTW_OPCODE = (31u << OPCODE_SHIFT | 378 << 1),
410 POPCNTD_OPCODE = (31u << OPCODE_SHIFT | 506 << 1),
411 FABS_OPCODE = (63u << OPCODE_SHIFT | 264u << 1),
412 FNABS_OPCODE = (63u << OPCODE_SHIFT | 136u << 1),
413 FMUL_OPCODE = (63u << OPCODE_SHIFT | 25u << 1),
414 FMULS_OPCODE = (59u << OPCODE_SHIFT | 25u << 1),
415 FNEG_OPCODE = (63u << OPCODE_SHIFT | 40u << 1),
416 FSUB_OPCODE = (63u << OPCODE_SHIFT | 20u << 1),
417 FSUBS_OPCODE = (59u << OPCODE_SHIFT | 20u << 1),
418
419 // PPC64-internal FPU conversion opcodes
420 FCFID_OPCODE = (63u << OPCODE_SHIFT | 846u << 1),
421 FCFIDS_OPCODE = (59u << OPCODE_SHIFT | 846u << 1),
422 FCTID_OPCODE = (63u << OPCODE_SHIFT | 814u << 1),
423 FCTIDZ_OPCODE = (63u << OPCODE_SHIFT | 815u << 1),
424 FCTIW_OPCODE = (63u << OPCODE_SHIFT | 14u << 1),
425 FCTIWZ_OPCODE = (63u << OPCODE_SHIFT | 15u << 1),
426 FRSP_OPCODE = (63u << OPCODE_SHIFT | 12u << 1),
427
428 // WARNING: using fmadd results in a non-compliant vm. Some floating
429 // point tck tests will fail.
430 FMADD_OPCODE = (59u << OPCODE_SHIFT | 29u << 1),
431 DMADD_OPCODE = (63u << OPCODE_SHIFT | 29u << 1),
432 FMSUB_OPCODE = (59u << OPCODE_SHIFT | 28u << 1),
433 DMSUB_OPCODE = (63u << OPCODE_SHIFT | 28u << 1),
434 FNMADD_OPCODE = (59u << OPCODE_SHIFT | 31u << 1),
435 DNMADD_OPCODE = (63u << OPCODE_SHIFT | 31u << 1),
436 FNMSUB_OPCODE = (59u << OPCODE_SHIFT | 30u << 1),
437 DNMSUB_OPCODE = (63u << OPCODE_SHIFT | 30u << 1),
438
439 LFD_OPCODE = (50u << OPCODE_SHIFT | 00u << 1),
440 LFDU_OPCODE = (51u << OPCODE_SHIFT | 00u << 1),
441 LFDX_OPCODE = (31u << OPCODE_SHIFT | 599u << 1),
442 LFS_OPCODE = (48u << OPCODE_SHIFT | 00u << 1),
443 LFSU_OPCODE = (49u << OPCODE_SHIFT | 00u << 1),
444 LFSX_OPCODE = (31u << OPCODE_SHIFT | 535u << 1),
445
446 STFD_OPCODE = (54u << OPCODE_SHIFT | 00u << 1),
447 STFDU_OPCODE = (55u << OPCODE_SHIFT | 00u << 1),
448 STFDX_OPCODE = (31u << OPCODE_SHIFT | 727u << 1),
449 STFS_OPCODE = (52u << OPCODE_SHIFT | 00u << 1),
450 STFSU_OPCODE = (53u << OPCODE_SHIFT | 00u << 1),
451 STFSX_OPCODE = (31u << OPCODE_SHIFT | 663u << 1),
452
453 FSQRT_OPCODE = (63u << OPCODE_SHIFT | 22u << 1), // A-FORM
454 FSQRTS_OPCODE = (59u << OPCODE_SHIFT | 22u << 1), // A-FORM
455
456 // Vector instruction support for >= Power6
457 // Vector Storage Access
458 LVEBX_OPCODE = (31u << OPCODE_SHIFT | 7u << 1),
459 LVEHX_OPCODE = (31u << OPCODE_SHIFT | 39u << 1),
460 LVEWX_OPCODE = (31u << OPCODE_SHIFT | 71u << 1),
461 LVX_OPCODE = (31u << OPCODE_SHIFT | 103u << 1),
462 LVXL_OPCODE = (31u << OPCODE_SHIFT | 359u << 1),
463 STVEBX_OPCODE = (31u << OPCODE_SHIFT | 135u << 1),
464 STVEHX_OPCODE = (31u << OPCODE_SHIFT | 167u << 1),
465 STVEWX_OPCODE = (31u << OPCODE_SHIFT | 199u << 1),
466 STVX_OPCODE = (31u << OPCODE_SHIFT | 231u << 1),
467 STVXL_OPCODE = (31u << OPCODE_SHIFT | 487u << 1),
468 LVSL_OPCODE = (31u << OPCODE_SHIFT | 6u << 1),
469 LVSR_OPCODE = (31u << OPCODE_SHIFT | 38u << 1),
470
471 // Vector Permute and Formatting
472 VPKPX_OPCODE = (4u << OPCODE_SHIFT | 782u ),
473 VPKSHSS_OPCODE = (4u << OPCODE_SHIFT | 398u ),
474 VPKSWSS_OPCODE = (4u << OPCODE_SHIFT | 462u ),
475 VPKSHUS_OPCODE = (4u << OPCODE_SHIFT | 270u ),
476 VPKSWUS_OPCODE = (4u << OPCODE_SHIFT | 334u ),
477 VPKUHUM_OPCODE = (4u << OPCODE_SHIFT | 14u ),
478 VPKUWUM_OPCODE = (4u << OPCODE_SHIFT | 78u ),
479 VPKUHUS_OPCODE = (4u << OPCODE_SHIFT | 142u ),
480 VPKUWUS_OPCODE = (4u << OPCODE_SHIFT | 206u ),
481 VUPKHPX_OPCODE = (4u << OPCODE_SHIFT | 846u ),
482 VUPKHSB_OPCODE = (4u << OPCODE_SHIFT | 526u ),
483 VUPKHSH_OPCODE = (4u << OPCODE_SHIFT | 590u ),
484 VUPKLPX_OPCODE = (4u << OPCODE_SHIFT | 974u ),
485 VUPKLSB_OPCODE = (4u << OPCODE_SHIFT | 654u ),
486 VUPKLSH_OPCODE = (4u << OPCODE_SHIFT | 718u ),
487
488 VMRGHB_OPCODE = (4u << OPCODE_SHIFT | 12u ),
489 VMRGHW_OPCODE = (4u << OPCODE_SHIFT | 140u ),
490 VMRGHH_OPCODE = (4u << OPCODE_SHIFT | 76u ),
491 VMRGLB_OPCODE = (4u << OPCODE_SHIFT | 268u ),
492 VMRGLW_OPCODE = (4u << OPCODE_SHIFT | 396u ),
493 VMRGLH_OPCODE = (4u << OPCODE_SHIFT | 332u ),
494
495 VSPLT_OPCODE = (4u << OPCODE_SHIFT | 524u ),
496 VSPLTH_OPCODE = (4u << OPCODE_SHIFT | 588u ),
497 VSPLTW_OPCODE = (4u << OPCODE_SHIFT | 652u ),
498 VSPLTISB_OPCODE= (4u << OPCODE_SHIFT | 780u ),
499 VSPLTISH_OPCODE= (4u << OPCODE_SHIFT | 844u ),
500 VSPLTISW_OPCODE= (4u << OPCODE_SHIFT | 908u ),
501
502 VPERM_OPCODE = (4u << OPCODE_SHIFT | 43u ),
503 VSEL_OPCODE = (4u << OPCODE_SHIFT | 42u ),
504
505 VSL_OPCODE = (4u << OPCODE_SHIFT | 452u ),
506 VSLDOI_OPCODE = (4u << OPCODE_SHIFT | 44u ),
507 VSLO_OPCODE = (4u << OPCODE_SHIFT | 1036u ),
508 VSR_OPCODE = (4u << OPCODE_SHIFT | 708u ),
509 VSRO_OPCODE = (4u << OPCODE_SHIFT | 1100u ),
510
511 // Vector Integer
512 VADDCUW_OPCODE = (4u << OPCODE_SHIFT | 384u ),
513 VADDSHS_OPCODE = (4u << OPCODE_SHIFT | 832u ),
514 VADDSBS_OPCODE = (4u << OPCODE_SHIFT | 768u ),
515 VADDSWS_OPCODE = (4u << OPCODE_SHIFT | 896u ),
516 VADDUBM_OPCODE = (4u << OPCODE_SHIFT | 0u ),
517 VADDUWM_OPCODE = (4u << OPCODE_SHIFT | 128u ),
518 VADDUHM_OPCODE = (4u << OPCODE_SHIFT | 64u ),
519 VADDUBS_OPCODE = (4u << OPCODE_SHIFT | 512u ),
520 VADDUWS_OPCODE = (4u << OPCODE_SHIFT | 640u ),
521 VADDUHS_OPCODE = (4u << OPCODE_SHIFT | 576u ),
522 VSUBCUW_OPCODE = (4u << OPCODE_SHIFT | 1408u ),
523 VSUBSHS_OPCODE = (4u << OPCODE_SHIFT | 1856u ),
524 VSUBSBS_OPCODE = (4u << OPCODE_SHIFT | 1792u ),
525 VSUBSWS_OPCODE = (4u << OPCODE_SHIFT | 1920u ),
526 VSUBUBM_OPCODE = (4u << OPCODE_SHIFT | 1024u ),
527 VSUBUWM_OPCODE = (4u << OPCODE_SHIFT | 1152u ),
528 VSUBUHM_OPCODE = (4u << OPCODE_SHIFT | 1088u ),
529 VSUBUBS_OPCODE = (4u << OPCODE_SHIFT | 1536u ),
530 VSUBUWS_OPCODE = (4u << OPCODE_SHIFT | 1664u ),
531 VSUBUHS_OPCODE = (4u << OPCODE_SHIFT | 1600u ),
532
533 VMULESB_OPCODE = (4u << OPCODE_SHIFT | 776u ),
534 VMULEUB_OPCODE = (4u << OPCODE_SHIFT | 520u ),
535 VMULESH_OPCODE = (4u << OPCODE_SHIFT | 840u ),
536 VMULEUH_OPCODE = (4u << OPCODE_SHIFT | 584u ),
537 VMULOSB_OPCODE = (4u << OPCODE_SHIFT | 264u ),
538 VMULOUB_OPCODE = (4u << OPCODE_SHIFT | 8u ),
539 VMULOSH_OPCODE = (4u << OPCODE_SHIFT | 328u ),
540 VMULOUH_OPCODE = (4u << OPCODE_SHIFT | 72u ),
541 VMHADDSHS_OPCODE=(4u << OPCODE_SHIFT | 32u ),
542 VMHRADDSHS_OPCODE=(4u << OPCODE_SHIFT | 33u ),
543 VMLADDUHM_OPCODE=(4u << OPCODE_SHIFT | 34u ),
544 VMSUBUHM_OPCODE= (4u << OPCODE_SHIFT | 36u ),
545 VMSUMMBM_OPCODE= (4u << OPCODE_SHIFT | 37u ),
546 VMSUMSHM_OPCODE= (4u << OPCODE_SHIFT | 40u ),
547 VMSUMSHS_OPCODE= (4u << OPCODE_SHIFT | 41u ),
548 VMSUMUHM_OPCODE= (4u << OPCODE_SHIFT | 38u ),
549 VMSUMUHS_OPCODE= (4u << OPCODE_SHIFT | 39u ),
550
551 VSUMSWS_OPCODE = (4u << OPCODE_SHIFT | 1928u ),
552 VSUM2SWS_OPCODE= (4u << OPCODE_SHIFT | 1672u ),
553 VSUM4SBS_OPCODE= (4u << OPCODE_SHIFT | 1800u ),
554 VSUM4UBS_OPCODE= (4u << OPCODE_SHIFT | 1544u ),
555 VSUM4SHS_OPCODE= (4u << OPCODE_SHIFT | 1608u ),
556
557 VAVGSB_OPCODE = (4u << OPCODE_SHIFT | 1282u ),
558 VAVGSW_OPCODE = (4u << OPCODE_SHIFT | 1410u ),
559 VAVGSH_OPCODE = (4u << OPCODE_SHIFT | 1346u ),
560 VAVGUB_OPCODE = (4u << OPCODE_SHIFT | 1026u ),
561 VAVGUW_OPCODE = (4u << OPCODE_SHIFT | 1154u ),
562 VAVGUH_OPCODE = (4u << OPCODE_SHIFT | 1090u ),
563
564 VMAXSB_OPCODE = (4u << OPCODE_SHIFT | 258u ),
565 VMAXSW_OPCODE = (4u << OPCODE_SHIFT | 386u ),
566 VMAXSH_OPCODE = (4u << OPCODE_SHIFT | 322u ),
567 VMAXUB_OPCODE = (4u << OPCODE_SHIFT | 2u ),
568 VMAXUW_OPCODE = (4u << OPCODE_SHIFT | 130u ),
569 VMAXUH_OPCODE = (4u << OPCODE_SHIFT | 66u ),
570 VMINSB_OPCODE = (4u << OPCODE_SHIFT | 770u ),
571 VMINSW_OPCODE = (4u << OPCODE_SHIFT | 898u ),
572 VMINSH_OPCODE = (4u << OPCODE_SHIFT | 834u ),
573 VMINUB_OPCODE = (4u << OPCODE_SHIFT | 514u ),
574 VMINUW_OPCODE = (4u << OPCODE_SHIFT | 642u ),
575 VMINUH_OPCODE = (4u << OPCODE_SHIFT | 578u ),
576
577 VCMPEQUB_OPCODE= (4u << OPCODE_SHIFT | 6u ),
578 VCMPEQUH_OPCODE= (4u << OPCODE_SHIFT | 70u ),
579 VCMPEQUW_OPCODE= (4u << OPCODE_SHIFT | 134u ),
580 VCMPGTSH_OPCODE= (4u << OPCODE_SHIFT | 838u ),
581 VCMPGTSB_OPCODE= (4u << OPCODE_SHIFT | 774u ),
582 VCMPGTSW_OPCODE= (4u << OPCODE_SHIFT | 902u ),
583 VCMPGTUB_OPCODE= (4u << OPCODE_SHIFT | 518u ),
584 VCMPGTUH_OPCODE= (4u << OPCODE_SHIFT | 582u ),
585 VCMPGTUW_OPCODE= (4u << OPCODE_SHIFT | 646u ),
586
587 VAND_OPCODE = (4u << OPCODE_SHIFT | 1028u ),
588 VANDC_OPCODE = (4u << OPCODE_SHIFT | 1092u ),
589 VNOR_OPCODE = (4u << OPCODE_SHIFT | 1284u ),
590 VOR_OPCODE = (4u << OPCODE_SHIFT | 1156u ),
591 VXOR_OPCODE = (4u << OPCODE_SHIFT | 1220u ),
592 VRLB_OPCODE = (4u << OPCODE_SHIFT | 4u ),
593 VRLW_OPCODE = (4u << OPCODE_SHIFT | 132u ),
594 VRLH_OPCODE = (4u << OPCODE_SHIFT | 68u ),
595 VSLB_OPCODE = (4u << OPCODE_SHIFT | 260u ),
596 VSKW_OPCODE = (4u << OPCODE_SHIFT | 388u ),
597 VSLH_OPCODE = (4u << OPCODE_SHIFT | 324u ),
598 VSRB_OPCODE = (4u << OPCODE_SHIFT | 516u ),
599 VSRW_OPCODE = (4u << OPCODE_SHIFT | 644u ),
600 VSRH_OPCODE = (4u << OPCODE_SHIFT | 580u ),
601 VSRAB_OPCODE = (4u << OPCODE_SHIFT | 772u ),
602 VSRAW_OPCODE = (4u << OPCODE_SHIFT | 900u ),
603 VSRAH_OPCODE = (4u << OPCODE_SHIFT | 836u ),
604
605 // Vector Floating-Point
606 // not implemented yet
607
608 // Vector Status and Control
609 MTVSCR_OPCODE = (4u << OPCODE_SHIFT | 1604u ),
610 MFVSCR_OPCODE = (4u << OPCODE_SHIFT | 1540u ),
611
612 // AES (introduced with Power 8)
613 VCIPHER_OPCODE = (4u << OPCODE_SHIFT | 1288u),
614 VCIPHERLAST_OPCODE = (4u << OPCODE_SHIFT | 1289u),
615 VNCIPHER_OPCODE = (4u << OPCODE_SHIFT | 1352u),
616 VNCIPHERLAST_OPCODE = (4u << OPCODE_SHIFT | 1353u),
617 VSBOX_OPCODE = (4u << OPCODE_SHIFT | 1480u),
618
619 // SHA (introduced with Power 8)
620 VSHASIGMAD_OPCODE = (4u << OPCODE_SHIFT | 1730u),
621 VSHASIGMAW_OPCODE = (4u << OPCODE_SHIFT | 1666u),
622
623 // Vector Binary Polynomial Multiplication (introduced with Power 8)
624 VPMSUMB_OPCODE = (4u << OPCODE_SHIFT | 1032u),
625 VPMSUMD_OPCODE = (4u << OPCODE_SHIFT | 1224u),
626 VPMSUMH_OPCODE = (4u << OPCODE_SHIFT | 1096u),
627 VPMSUMW_OPCODE = (4u << OPCODE_SHIFT | 1160u),
628
629 // Vector Permute and Xor (introduced with Power 8)
630 VPERMXOR_OPCODE = (4u << OPCODE_SHIFT | 45u),
631
632 // Transactional Memory instructions (introduced with Power 8)
633 TBEGIN_OPCODE = (31u << OPCODE_SHIFT | 654u << 1),
634 TEND_OPCODE = (31u << OPCODE_SHIFT | 686u << 1),
635 TABORT_OPCODE = (31u << OPCODE_SHIFT | 910u << 1),
636 TABORTWC_OPCODE = (31u << OPCODE_SHIFT | 782u << 1),
637 TABORTWCI_OPCODE = (31u << OPCODE_SHIFT | 846u << 1),
638 TABORTDC_OPCODE = (31u << OPCODE_SHIFT | 814u << 1),
639 TABORTDCI_OPCODE = (31u << OPCODE_SHIFT | 878u << 1),
640 TSR_OPCODE = (31u << OPCODE_SHIFT | 750u << 1),
641 TCHECK_OPCODE = (31u << OPCODE_SHIFT | 718u << 1),
642
643 // Icache and dcache related instructions
644 DCBA_OPCODE = (31u << OPCODE_SHIFT | 758u << 1),
645 DCBZ_OPCODE = (31u << OPCODE_SHIFT | 1014u << 1),
646 DCBST_OPCODE = (31u << OPCODE_SHIFT | 54u << 1),
647 DCBF_OPCODE = (31u << OPCODE_SHIFT | 86u << 1),
648
649 DCBT_OPCODE = (31u << OPCODE_SHIFT | 278u << 1),
650 DCBTST_OPCODE = (31u << OPCODE_SHIFT | 246u << 1),
651 ICBI_OPCODE = (31u << OPCODE_SHIFT | 982u << 1),
652
653 // Instruction synchronization
654 ISYNC_OPCODE = (19u << OPCODE_SHIFT | 150u << 1),
655 // Memory barriers
656 SYNC_OPCODE = (31u << OPCODE_SHIFT | 598u << 1),
657 EIEIO_OPCODE = (31u << OPCODE_SHIFT | 854u << 1),
658
659 // Trap instructions
660 TDI_OPCODE = (2u << OPCODE_SHIFT),
661 TWI_OPCODE = (3u << OPCODE_SHIFT),
662 TD_OPCODE = (31u << OPCODE_SHIFT | 68u << 1),
663 TW_OPCODE = (31u << OPCODE_SHIFT | 4u << 1),
664
665 // Atomics.
666 LWARX_OPCODE = (31u << OPCODE_SHIFT | 20u << 1),
667 LDARX_OPCODE = (31u << OPCODE_SHIFT | 84u << 1),
668 STWCX_OPCODE = (31u << OPCODE_SHIFT | 150u << 1),
669 STDCX_OPCODE = (31u << OPCODE_SHIFT | 214u << 1)
670
671 };
672
673 // Trap instructions TO bits
674 enum trap_to_bits {
675 // single bits
676 traptoLessThanSigned = 1 << 4, // 0, left end
677 traptoGreaterThanSigned = 1 << 3,
678 traptoEqual = 1 << 2,
679 traptoLessThanUnsigned = 1 << 1,
680 traptoGreaterThanUnsigned = 1 << 0, // 4, right end
681
682 // compound ones
683 traptoUnconditional = (traptoLessThanSigned |
684 traptoGreaterThanSigned |
685 traptoEqual |
686 traptoLessThanUnsigned |
687 traptoGreaterThanUnsigned)
688 };
689
690 // Branch hints BH field
691 enum branch_hint_bh {
692 // bclr cases:
693 bhintbhBCLRisReturn = 0,
694 bhintbhBCLRisNotReturnButSame = 1,
695 bhintbhBCLRisNotPredictable = 3,
696
697 // bcctr cases:
698 bhintbhBCCTRisNotReturnButSame = 0,
699 bhintbhBCCTRisNotPredictable = 3
700 };
701
702 // Branch prediction hints AT field
703 enum branch_hint_at {
704 bhintatNoHint = 0, // at=00
705 bhintatIsNotTaken = 2, // at=10
706 bhintatIsTaken = 3 // at=11
707 };
708
709 // Branch prediction hints
710 enum branch_hint_concept {
711 // Use the same encoding as branch_hint_at to simply code.
712 bhintNoHint = bhintatNoHint,
713 bhintIsNotTaken = bhintatIsNotTaken,
714 bhintIsTaken = bhintatIsTaken
715 };
716
717 // Used in BO field of branch instruction.
718 enum branch_condition {
719 bcondCRbiIs0 = 4, // bo=001at
720 bcondCRbiIs1 = 12, // bo=011at
721 bcondAlways = 20 // bo=10100
722 };
723
724 // Branch condition with combined prediction hints.
725 enum branch_condition_with_hint {
726 bcondCRbiIs0_bhintNoHint = bcondCRbiIs0 | bhintatNoHint,
727 bcondCRbiIs0_bhintIsNotTaken = bcondCRbiIs0 | bhintatIsNotTaken,
728 bcondCRbiIs0_bhintIsTaken = bcondCRbiIs0 | bhintatIsTaken,
729 bcondCRbiIs1_bhintNoHint = bcondCRbiIs1 | bhintatNoHint,
730 bcondCRbiIs1_bhintIsNotTaken = bcondCRbiIs1 | bhintatIsNotTaken,
731 bcondCRbiIs1_bhintIsTaken = bcondCRbiIs1 | bhintatIsTaken,
732 };
733
734 // Elemental Memory Barriers (>=Power 8)
735 enum Elemental_Membar_mask_bits {
736 StoreStore = 1 << 0,
737 StoreLoad = 1 << 1,
738 LoadStore = 1 << 2,
739 LoadLoad = 1 << 3
740 };
741
742 // Branch prediction hints.
743 inline static int add_bhint_to_boint(const int bhint, const int boint) {
744 switch (boint) {
745 case bcondCRbiIs0:
746 case bcondCRbiIs1:
747 // branch_hint and branch_hint_at have same encodings
748 assert( (int)bhintNoHint == (int)bhintatNoHint
749 && (int)bhintIsNotTaken == (int)bhintatIsNotTaken
750 && (int)bhintIsTaken == (int)bhintatIsTaken,
751 "wrong encodings");
752 assert((bhint & 0x03) == bhint, "wrong encodings");
753 return (boint & ~0x03) | bhint;
754 case bcondAlways:
755 // no branch_hint
756 return boint;
757 default:
758 ShouldNotReachHere();
759 return 0;
760 }
761 }
762
763 // Extract bcond from boint.
764 inline static int inv_boint_bcond(const int boint) {
765 int r_bcond = boint & ~0x03;
766 assert(r_bcond == bcondCRbiIs0 ||
767 r_bcond == bcondCRbiIs1 ||
768 r_bcond == bcondAlways,
769 "bad branch condition");
770 return r_bcond;
771 }
772
773 // Extract bhint from boint.
774 inline static int inv_boint_bhint(const int boint) {
775 int r_bhint = boint & 0x03;
776 assert(r_bhint == bhintatNoHint ||
777 r_bhint == bhintatIsNotTaken ||
778 r_bhint == bhintatIsTaken,
779 "bad branch hint");
780 return r_bhint;
781 }
782
783 // Calculate opposite of given bcond.
784 inline static int opposite_bcond(const int bcond) {
785 switch (bcond) {
786 case bcondCRbiIs0:
787 return bcondCRbiIs1;
788 case bcondCRbiIs1:
789 return bcondCRbiIs0;
790 default:
791 ShouldNotReachHere();
792 return 0;
793 }
794 }
795
796 // Calculate opposite of given bhint.
797 inline static int opposite_bhint(const int bhint) {
798 switch (bhint) {
799 case bhintatNoHint:
800 return bhintatNoHint;
801 case bhintatIsNotTaken:
802 return bhintatIsTaken;
803 case bhintatIsTaken:
804 return bhintatIsNotTaken;
805 default:
806 ShouldNotReachHere();
807 return 0;
808 }
809 }
810
811 // PPC branch instructions
812 enum ppcops {
813 b_op = 18,
814 bc_op = 16,
815 bcr_op = 19
816 };
817
818 enum Condition {
819 negative = 0,
820 less = 0,
821 positive = 1,
822 greater = 1,
823 zero = 2,
824 equal = 2,
825 summary_overflow = 3,
826 };
827
828 public:
829 // Helper functions for groups of instructions
830
831 enum Predict { pt = 1, pn = 0 }; // pt = predict taken
832
833 // instruction must start at passed address
834 static int instr_len(unsigned char *instr) { return BytesPerInstWord; }
835
836 // instruction must be left-justified in argument
837 static int instr_len(unsigned long instr) { return BytesPerInstWord; }
838
839 // longest instructions
840 static int instr_maxlen() { return BytesPerInstWord; }
841
842 // Test if x is within signed immediate range for nbits.
843 static bool is_simm(int x, unsigned int nbits) {
844 assert(0 < nbits && nbits < 32, "out of bounds");
845 const int min = -( ((int)1) << nbits-1 );
846 const int maxplus1 = ( ((int)1) << nbits-1 );
847 return min <= x && x < maxplus1;
848 }
849
850 static bool is_simm(jlong x, unsigned int nbits) {
851 assert(0 < nbits && nbits < 64, "out of bounds");
852 const jlong min = -( ((jlong)1) << nbits-1 );
853 const jlong maxplus1 = ( ((jlong)1) << nbits-1 );
854 return min <= x && x < maxplus1;
855 }
856
857 // Test if x is within unsigned immediate range for nbits
858 static bool is_uimm(int x, unsigned int nbits) {
859 assert(0 < nbits && nbits < 32, "out of bounds");
860 const int maxplus1 = ( ((int)1) << nbits );
861 return 0 <= x && x < maxplus1;
862 }
863
864 static bool is_uimm(jlong x, unsigned int nbits) {
865 assert(0 < nbits && nbits < 64, "out of bounds");
866 const jlong maxplus1 = ( ((jlong)1) << nbits );
867 return 0 <= x && x < maxplus1;
868 }
869
870 protected:
871 // helpers
872
873 // X is supposed to fit in a field "nbits" wide
874 // and be sign-extended. Check the range.
875 static void assert_signed_range(intptr_t x, int nbits) {
876 assert(nbits == 32 || (-(1 << nbits-1) <= x && x < (1 << nbits-1)),
877 "value out of range");
878 }
879
880 static void assert_signed_word_disp_range(intptr_t x, int nbits) {
881 assert((x & 3) == 0, "not word aligned");
882 assert_signed_range(x, nbits + 2);
883 }
884
885 static void assert_unsigned_const(int x, int nbits) {
886 assert(juint(x) < juint(1 << nbits), "unsigned constant out of range");
887 }
888
889 static int fmask(juint hi_bit, juint lo_bit) {
890 assert(hi_bit >= lo_bit && hi_bit < 32, "bad bits");
891 return (1 << ( hi_bit-lo_bit + 1 )) - 1;
892 }
893
894 // inverse of u_field
895 static int inv_u_field(int x, int hi_bit, int lo_bit) {
896 juint r = juint(x) >> lo_bit;
897 r &= fmask(hi_bit, lo_bit);
898 return int(r);
899 }
900
901 // signed version: extract from field and sign-extend
902 static int inv_s_field_ppc(int x, int hi_bit, int lo_bit) {
903 x = x << (31-hi_bit);
904 x = x >> (31-hi_bit+lo_bit);
905 return x;
906 }
907
908 static int u_field(int x, int hi_bit, int lo_bit) {
909 assert((x & ~fmask(hi_bit, lo_bit)) == 0, "value out of range");
910 int r = x << lo_bit;
911 assert(inv_u_field(r, hi_bit, lo_bit) == x, "just checking");
912 return r;
913 }
914
915 // Same as u_field for signed values
916 static int s_field(int x, int hi_bit, int lo_bit) {
917 int nbits = hi_bit - lo_bit + 1;
918 assert(nbits == 32 || (-(1 << nbits-1) <= x && x < (1 << nbits-1)),
919 "value out of range");
920 x &= fmask(hi_bit, lo_bit);
921 int r = x << lo_bit;
922 return r;
923 }
924
925 // inv_op for ppc instructions
926 static int inv_op_ppc(int x) { return inv_u_field(x, 31, 26); }
927
928 // Determine target address from li, bd field of branch instruction.
929 static intptr_t inv_li_field(int x) {
930 intptr_t r = inv_s_field_ppc(x, 25, 2);
931 r = (r << 2);
932 return r;
933 }
934 static intptr_t inv_bd_field(int x, intptr_t pos) {
935 intptr_t r = inv_s_field_ppc(x, 15, 2);
936 r = (r << 2) + pos;
937 return r;
938 }
939
940 #define inv_opp_u_field(x, hi_bit, lo_bit) inv_u_field(x, 31-(lo_bit), 31-(hi_bit))
941 #define inv_opp_s_field(x, hi_bit, lo_bit) inv_s_field_ppc(x, 31-(lo_bit), 31-(hi_bit))
942 // Extract instruction fields from instruction words.
943 public:
944 static int inv_ra_field(int x) { return inv_opp_u_field(x, 15, 11); }
945 static int inv_rb_field(int x) { return inv_opp_u_field(x, 20, 16); }
946 static int inv_rt_field(int x) { return inv_opp_u_field(x, 10, 6); }
947 static int inv_rta_field(int x) { return inv_opp_u_field(x, 15, 11); }
948 static int inv_rs_field(int x) { return inv_opp_u_field(x, 10, 6); }
949 // Ds uses opp_s_field(x, 31, 16), but lowest 2 bits must be 0.
950 // Inv_ds_field uses range (x, 29, 16) but shifts by 2 to ensure that lowest bits are 0.
951 static int inv_ds_field(int x) { return inv_opp_s_field(x, 29, 16) << 2; }
952 static int inv_d1_field(int x) { return inv_opp_s_field(x, 31, 16); }
953 static int inv_si_field(int x) { return inv_opp_s_field(x, 31, 16); }
954 static int inv_to_field(int x) { return inv_opp_u_field(x, 10, 6); }
955 static int inv_lk_field(int x) { return inv_opp_u_field(x, 31, 31); }
956 static int inv_bo_field(int x) { return inv_opp_u_field(x, 10, 6); }
957 static int inv_bi_field(int x) { return inv_opp_u_field(x, 15, 11); }
958
959 #define opp_u_field(x, hi_bit, lo_bit) u_field(x, 31-(lo_bit), 31-(hi_bit))
960 #define opp_s_field(x, hi_bit, lo_bit) s_field(x, 31-(lo_bit), 31-(hi_bit))
961
962 // instruction fields
963 static int aa( int x) { return opp_u_field(x, 30, 30); }
964 static int ba( int x) { return opp_u_field(x, 15, 11); }
965 static int bb( int x) { return opp_u_field(x, 20, 16); }
966 static int bc( int x) { return opp_u_field(x, 25, 21); }
967 static int bd( int x) { return opp_s_field(x, 29, 16); }
968 static int bf( ConditionRegister cr) { return bf(cr->encoding()); }
969 static int bf( int x) { return opp_u_field(x, 8, 6); }
970 static int bfa(ConditionRegister cr) { return bfa(cr->encoding()); }
971 static int bfa( int x) { return opp_u_field(x, 13, 11); }
972 static int bh( int x) { return opp_u_field(x, 20, 19); }
973 static int bi( int x) { return opp_u_field(x, 15, 11); }
974 static int bi0(ConditionRegister cr, Condition c) { return (cr->encoding() << 2) | c; }
975 static int bo( int x) { return opp_u_field(x, 10, 6); }
976 static int bt( int x) { return opp_u_field(x, 10, 6); }
977 static int d1( int x) { return opp_s_field(x, 31, 16); }
978 static int ds( int x) { assert((x & 0x3) == 0, "unaligned offset"); return opp_s_field(x, 31, 16); }
979 static int eh( int x) { return opp_u_field(x, 31, 31); }
980 static int flm( int x) { return opp_u_field(x, 14, 7); }
981 static int fra( FloatRegister r) { return fra(r->encoding());}
982 static int frb( FloatRegister r) { return frb(r->encoding());}
983 static int frc( FloatRegister r) { return frc(r->encoding());}
984 static int frs( FloatRegister r) { return frs(r->encoding());}
985 static int frt( FloatRegister r) { return frt(r->encoding());}
986 static int fra( int x) { return opp_u_field(x, 15, 11); }
987 static int frb( int x) { return opp_u_field(x, 20, 16); }
988 static int frc( int x) { return opp_u_field(x, 25, 21); }
989 static int frs( int x) { return opp_u_field(x, 10, 6); }
990 static int frt( int x) { return opp_u_field(x, 10, 6); }
991 static int fxm( int x) { return opp_u_field(x, 19, 12); }
992 static int l10( int x) { return opp_u_field(x, 10, 10); }
993 static int l15( int x) { return opp_u_field(x, 15, 15); }
994 static int l910( int x) { return opp_u_field(x, 10, 9); }
995 static int e1215( int x) { return opp_u_field(x, 15, 12); }
996 static int lev( int x) { return opp_u_field(x, 26, 20); }
997 static int li( int x) { return opp_s_field(x, 29, 6); }
998 static int lk( int x) { return opp_u_field(x, 31, 31); }
999 static int mb2125( int x) { return opp_u_field(x, 25, 21); }
1000 static int me2630( int x) { return opp_u_field(x, 30, 26); }
1001 static int mb2126( int x) { return opp_u_field(((x & 0x1f) << 1) | ((x & 0x20) >> 5), 26, 21); }
1002 static int me2126( int x) { return mb2126(x); }
1003 static int nb( int x) { return opp_u_field(x, 20, 16); }
1004 //static int opcd( int x) { return opp_u_field(x, 5, 0); } // is contained in our opcodes
1005 static int oe( int x) { return opp_u_field(x, 21, 21); }
1006 static int ra( Register r) { return ra(r->encoding()); }
1007 static int ra( int x) { return opp_u_field(x, 15, 11); }
1008 static int rb( Register r) { return rb(r->encoding()); }
1009 static int rb( int x) { return opp_u_field(x, 20, 16); }
1010 static int rc( int x) { return opp_u_field(x, 31, 31); }
1011 static int rs( Register r) { return rs(r->encoding()); }
1012 static int rs( int x) { return opp_u_field(x, 10, 6); }
1013 // we don't want to use R0 in memory accesses, because it has value `0' then
1014 static int ra0mem( Register r) { assert(r != R0, "cannot use register R0 in memory access"); return ra(r); }
1015 static int ra0mem( int x) { assert(x != 0, "cannot use register 0 in memory access"); return ra(x); }
1016
1017 // register r is target
1018 static int rt( Register r) { return rs(r); }
1019 static int rt( int x) { return rs(x); }
1020 static int rta( Register r) { return ra(r); }
1021 static int rta0mem( Register r) { rta(r); return ra0mem(r); }
1022
1023 static int sh1620( int x) { return opp_u_field(x, 20, 16); }
1024 static int sh30( int x) { return opp_u_field(x, 30, 30); }
1025 static int sh162030( int x) { return sh1620(x & 0x1f) | sh30((x & 0x20) >> 5); }
1026 static int si( int x) { return opp_s_field(x, 31, 16); }
1027 static int spr( int x) { return opp_u_field(x, 20, 11); }
1028 static int sr( int x) { return opp_u_field(x, 15, 12); }
1029 static int tbr( int x) { return opp_u_field(x, 20, 11); }
1030 static int th( int x) { return opp_u_field(x, 10, 7); }
1031 static int thct( int x) { assert((x&8) == 0, "must be valid cache specification"); return th(x); }
1032 static int thds( int x) { assert((x&8) == 8, "must be valid stream specification"); return th(x); }
1033 static int to( int x) { return opp_u_field(x, 10, 6); }
1034 static int u( int x) { return opp_u_field(x, 19, 16); }
1035 static int ui( int x) { return opp_u_field(x, 31, 16); }
1036
1037 // Support vector instructions for >= Power6.
1038 static int vra( int x) { return opp_u_field(x, 15, 11); }
1039 static int vrb( int x) { return opp_u_field(x, 20, 16); }
1040 static int vrc( int x) { return opp_u_field(x, 25, 21); }
1041 static int vrs( int x) { return opp_u_field(x, 10, 6); }
1042 static int vrt( int x) { return opp_u_field(x, 10, 6); }
1043
1044 static int vra( VectorRegister r) { return vra(r->encoding());}
1045 static int vrb( VectorRegister r) { return vrb(r->encoding());}
1046 static int vrc( VectorRegister r) { return vrc(r->encoding());}
1047 static int vrs( VectorRegister r) { return vrs(r->encoding());}
1048 static int vrt( VectorRegister r) { return vrt(r->encoding());}
1049
1050 static int vsplt_uim( int x) { return opp_u_field(x, 15, 12); } // for vsplt* instructions
1051 static int vsplti_sim(int x) { return opp_u_field(x, 15, 11); } // for vsplti* instructions
1052 static int vsldoi_shb(int x) { return opp_u_field(x, 25, 22); } // for vsldoi instruction
1053 static int vcmp_rc( int x) { return opp_u_field(x, 21, 21); } // for vcmp* instructions
1054
1055 //static int xo1( int x) { return opp_u_field(x, 29, 21); }// is contained in our opcodes
1056 //static int xo2( int x) { return opp_u_field(x, 30, 21); }// is contained in our opcodes
1057 //static int xo3( int x) { return opp_u_field(x, 30, 22); }// is contained in our opcodes
1058 //static int xo4( int x) { return opp_u_field(x, 30, 26); }// is contained in our opcodes
1059 //static int xo5( int x) { return opp_u_field(x, 29, 27); }// is contained in our opcodes
1060 //static int xo6( int x) { return opp_u_field(x, 30, 27); }// is contained in our opcodes
1061 //static int xo7( int x) { return opp_u_field(x, 31, 30); }// is contained in our opcodes
1062
1063 protected:
1064 // Compute relative address for branch.
1065 static intptr_t disp(intptr_t x, intptr_t off) {
1066 int xx = x - off;
1067 xx = xx >> 2;
1068 return xx;
1069 }
1070
1071 public:
1072 // signed immediate, in low bits, nbits long
1073 static int simm(int x, int nbits) {
1074 assert_signed_range(x, nbits);
1075 return x & ((1 << nbits) - 1);
1076 }
1077
1078 // unsigned immediate, in low bits, nbits long
1079 static int uimm(int x, int nbits) {
1080 assert_unsigned_const(x, nbits);
1081 return x & ((1 << nbits) - 1);
1082 }
1083
1084 static void set_imm(int* instr, short s) {
1085 // imm is always in the lower 16 bits of the instruction,
1086 // so this is endian-neutral. Same for the get_imm below.
1087 uint32_t w = *(uint32_t *)instr;
1088 *instr = (int)((w & ~0x0000FFFF) | (s & 0x0000FFFF));
1089 }
1090
1091 static int get_imm(address a, int instruction_number) {
1092 return (short)((int *)a)[instruction_number];
1093 }
1094
1095 static inline int hi16_signed( int x) { return (int)(int16_t)(x >> 16); }
1096 static inline int lo16_unsigned(int x) { return x & 0xffff; }
1097
1098 protected:
1099
1100 // Extract the top 32 bits in a 64 bit word.
1101 static int32_t hi32(int64_t x) {
1102 int32_t r = int32_t((uint64_t)x >> 32);
1103 return r;
1104 }
1105
1106 public:
1107
1108 static inline unsigned int align_addr(unsigned int addr, unsigned int a) {
1109 return ((addr + (a - 1)) & ~(a - 1));
1110 }
1111
1112 static inline bool is_aligned(unsigned int addr, unsigned int a) {
1113 return (0 == addr % a);
1114 }
1115
1116 void flush() {
1117 AbstractAssembler::flush();
1118 }
1119
1120 inline void emit_int32(int); // shadows AbstractAssembler::emit_int32
1121 inline void emit_data(int);
1122 inline void emit_data(int, RelocationHolder const&);
1123 inline void emit_data(int, relocInfo::relocType rtype);
1124
1125 // Emit an address.
1126 inline address emit_addr(const address addr = NULL);
1127
1128 #if !defined(ABI_ELFv2)
1129 // Emit a function descriptor with the specified entry point, TOC,
1130 // and ENV. If the entry point is NULL, the descriptor will point
1131 // just past the descriptor.
1132 // Use values from friend functions as defaults.
1133 inline address emit_fd(address entry = NULL,
1134 address toc = (address) FunctionDescriptor::friend_toc,
1135 address env = (address) FunctionDescriptor::friend_env);
1136 #endif
1137
1138 /////////////////////////////////////////////////////////////////////////////////////
1139 // PPC instructions
1140 /////////////////////////////////////////////////////////////////////////////////////
1141
1142 // Memory instructions use r0 as hard coded 0, e.g. to simulate loading
1143 // immediates. The normal instruction encoders enforce that r0 is not
1144 // passed to them. Use either extended mnemonics encoders or the special ra0
1145 // versions.
1146
1147 // Issue an illegal instruction.
1148 inline void illtrap();
1149 static inline bool is_illtrap(int x);
1150
1151 // PPC 1, section 3.3.8, Fixed-Point Arithmetic Instructions
1152 inline void addi( Register d, Register a, int si16);
1153 inline void addis(Register d, Register a, int si16);
1154 private:
1155 inline void addi_r0ok( Register d, Register a, int si16);
1156 inline void addis_r0ok(Register d, Register a, int si16);
1157 public:
1158 inline void addic_( Register d, Register a, int si16);
1159 inline void subfic( Register d, Register a, int si16);
1160 inline void add( Register d, Register a, Register b);
1161 inline void add_( Register d, Register a, Register b);
1162 inline void subf( Register d, Register a, Register b); // d = b - a "Sub_from", as in ppc spec.
1163 inline void sub( Register d, Register a, Register b); // d = a - b Swap operands of subf for readability.
1164 inline void subf_( Register d, Register a, Register b);
1165 inline void addc( Register d, Register a, Register b);
1166 inline void addc_( Register d, Register a, Register b);
1167 inline void subfc( Register d, Register a, Register b);
1168 inline void subfc_( Register d, Register a, Register b);
1169 inline void adde( Register d, Register a, Register b);
1170 inline void adde_( Register d, Register a, Register b);
1171 inline void subfe( Register d, Register a, Register b);
1172 inline void subfe_( Register d, Register a, Register b);
1173 inline void neg( Register d, Register a);
1174 inline void neg_( Register d, Register a);
1175 inline void mulli( Register d, Register a, int si16);
1176 inline void mulld( Register d, Register a, Register b);
1177 inline void mulld_( Register d, Register a, Register b);
1178 inline void mullw( Register d, Register a, Register b);
1179 inline void mullw_( Register d, Register a, Register b);
1180 inline void mulhw( Register d, Register a, Register b);
1181 inline void mulhw_( Register d, Register a, Register b);
1182 inline void mulhd( Register d, Register a, Register b);
1183 inline void mulhd_( Register d, Register a, Register b);
1184 inline void mulhdu( Register d, Register a, Register b);
1185 inline void mulhdu_(Register d, Register a, Register b);
1186 inline void divd( Register d, Register a, Register b);
1187 inline void divd_( Register d, Register a, Register b);
1188 inline void divw( Register d, Register a, Register b);
1189 inline void divw_( Register d, Register a, Register b);
1190
1191 // extended mnemonics
1192 inline void li( Register d, int si16);
1193 inline void lis( Register d, int si16);
1194 inline void addir(Register d, int si16, Register a);
1195
1196 static bool is_addi(int x) {
1197 return ADDI_OPCODE == (x & ADDI_OPCODE_MASK);
1198 }
1199 static bool is_addis(int x) {
1200 return ADDIS_OPCODE == (x & ADDIS_OPCODE_MASK);
1201 }
1202 static bool is_bxx(int x) {
1203 return BXX_OPCODE == (x & BXX_OPCODE_MASK);
1204 }
1205 static bool is_b(int x) {
1206 return BXX_OPCODE == (x & BXX_OPCODE_MASK) && inv_lk_field(x) == 0;
1207 }
1208 static bool is_bl(int x) {
1209 return BXX_OPCODE == (x & BXX_OPCODE_MASK) && inv_lk_field(x) == 1;
1210 }
1211 static bool is_bcxx(int x) {
1212 return BCXX_OPCODE == (x & BCXX_OPCODE_MASK);
1213 }
1214 static bool is_bxx_or_bcxx(int x) {
1215 return is_bxx(x) || is_bcxx(x);
1216 }
1217 static bool is_bctrl(int x) {
1218 return x == 0x4e800421;
1219 }
1220 static bool is_bctr(int x) {
1221 return x == 0x4e800420;
1222 }
1223 static bool is_bclr(int x) {
1224 return BCLR_OPCODE == (x & XL_FORM_OPCODE_MASK);
1225 }
1226 static bool is_li(int x) {
1227 return is_addi(x) && inv_ra_field(x)==0;
1228 }
1229 static bool is_lis(int x) {
1230 return is_addis(x) && inv_ra_field(x)==0;
1231 }
1232 static bool is_mtctr(int x) {
1233 return MTCTR_OPCODE == (x & MTCTR_OPCODE_MASK);
1234 }
1235 static bool is_ld(int x) {
1236 return LD_OPCODE == (x & LD_OPCODE_MASK);
1237 }
1238 static bool is_std(int x) {
1239 return STD_OPCODE == (x & STD_OPCODE_MASK);
1240 }
1241 static bool is_stdu(int x) {
1242 return STDU_OPCODE == (x & STDU_OPCODE_MASK);
1243 }
1244 static bool is_stdx(int x) {
1245 return STDX_OPCODE == (x & STDX_OPCODE_MASK);
1246 }
1247 static bool is_stdux(int x) {
1248 return STDUX_OPCODE == (x & STDUX_OPCODE_MASK);
1249 }
1250 static bool is_stwx(int x) {
1251 return STWX_OPCODE == (x & STWX_OPCODE_MASK);
1252 }
1253 static bool is_stwux(int x) {
1254 return STWUX_OPCODE == (x & STWUX_OPCODE_MASK);
1255 }
1256 static bool is_stw(int x) {
1257 return STW_OPCODE == (x & STW_OPCODE_MASK);
1258 }
1259 static bool is_stwu(int x) {
1260 return STWU_OPCODE == (x & STWU_OPCODE_MASK);
1261 }
1262 static bool is_ori(int x) {
1263 return ORI_OPCODE == (x & ORI_OPCODE_MASK);
1264 };
1265 static bool is_oris(int x) {
1266 return ORIS_OPCODE == (x & ORIS_OPCODE_MASK);
1267 };
1268 static bool is_rldicr(int x) {
1269 return (RLDICR_OPCODE == (x & RLDICR_OPCODE_MASK));
1270 };
1271 static bool is_nop(int x) {
1272 return x == 0x60000000;
1273 }
1274 // endgroup opcode for Power6
1275 static bool is_endgroup(int x) {
1276 return is_ori(x) && inv_ra_field(x) == 1 && inv_rs_field(x) == 1 && inv_d1_field(x) == 0;
1277 }
1278
1279
1280 private:
1281 // PPC 1, section 3.3.9, Fixed-Point Compare Instructions
1282 inline void cmpi( ConditionRegister bf, int l, Register a, int si16);
1283 inline void cmp( ConditionRegister bf, int l, Register a, Register b);
1284 inline void cmpli(ConditionRegister bf, int l, Register a, int ui16);
1285 inline void cmpl( ConditionRegister bf, int l, Register a, Register b);
1286
1287 public:
1288 // extended mnemonics of Compare Instructions
1289 inline void cmpwi( ConditionRegister crx, Register a, int si16);
1290 inline void cmpdi( ConditionRegister crx, Register a, int si16);
1291 inline void cmpw( ConditionRegister crx, Register a, Register b);
1292 inline void cmpd( ConditionRegister crx, Register a, Register b);
1293 inline void cmplwi(ConditionRegister crx, Register a, int ui16);
1294 inline void cmpldi(ConditionRegister crx, Register a, int ui16);
1295 inline void cmplw( ConditionRegister crx, Register a, Register b);
1296 inline void cmpld( ConditionRegister crx, Register a, Register b);
1297
1298 inline void isel( Register d, Register a, Register b, int bc);
1299 // Convenient version which takes: Condition register, Condition code and invert flag. Omit b to keep old value.
1300 inline void isel( Register d, ConditionRegister cr, Condition cc, bool inv, Register a, Register b = noreg);
1301 // Set d = 0 if (cr.cc) equals 1, otherwise b.
1302 inline void isel_0( Register d, ConditionRegister cr, Condition cc, Register b = noreg);
1303
1304 // PPC 1, section 3.3.11, Fixed-Point Logical Instructions
1305 void andi( Register a, Register s, int ui16); // optimized version
1306 inline void andi_( Register a, Register s, int ui16);
1307 inline void andis_( Register a, Register s, int ui16);
1308 inline void ori( Register a, Register s, int ui16);
1309 inline void oris( Register a, Register s, int ui16);
1310 inline void xori( Register a, Register s, int ui16);
1311 inline void xoris( Register a, Register s, int ui16);
1312 inline void andr( Register a, Register s, Register b); // suffixed by 'r' as 'and' is C++ keyword
1313 inline void and_( Register a, Register s, Register b);
1314 // Turn or0(rx,rx,rx) into a nop and avoid that we accidently emit a
1315 // SMT-priority change instruction (see SMT instructions below).
1316 inline void or_unchecked(Register a, Register s, Register b);
1317 inline void orr( Register a, Register s, Register b); // suffixed by 'r' as 'or' is C++ keyword
1318 inline void or_( Register a, Register s, Register b);
1319 inline void xorr( Register a, Register s, Register b); // suffixed by 'r' as 'xor' is C++ keyword
1320 inline void xor_( Register a, Register s, Register b);
1321 inline void nand( Register a, Register s, Register b);
1322 inline void nand_( Register a, Register s, Register b);
1323 inline void nor( Register a, Register s, Register b);
1324 inline void nor_( Register a, Register s, Register b);
1325 inline void andc( Register a, Register s, Register b);
1326 inline void andc_( Register a, Register s, Register b);
1327 inline void orc( Register a, Register s, Register b);
1328 inline void orc_( Register a, Register s, Register b);
1329 inline void extsb( Register a, Register s);
1330 inline void extsh( Register a, Register s);
1331 inline void extsw( Register a, Register s);
1332
1333 // extended mnemonics
1334 inline void nop();
1335 // NOP for FP and BR units (different versions to allow them to be in one group)
1336 inline void fpnop0();
1337 inline void fpnop1();
1338 inline void brnop0();
1339 inline void brnop1();
1340 inline void brnop2();
1341
1342 inline void mr( Register d, Register s);
1343 inline void ori_opt( Register d, int ui16);
1344 inline void oris_opt(Register d, int ui16);
1345
1346 // endgroup opcode for Power6
1347 inline void endgroup();
1348
1349 // count instructions
1350 inline void cntlzw( Register a, Register s);
1351 inline void cntlzw_( Register a, Register s);
1352 inline void cntlzd( Register a, Register s);
1353 inline void cntlzd_( Register a, Register s);
1354
1355 // PPC 1, section 3.3.12, Fixed-Point Rotate and Shift Instructions
1356 inline void sld( Register a, Register s, Register b);
1357 inline void sld_( Register a, Register s, Register b);
1358 inline void slw( Register a, Register s, Register b);
1359 inline void slw_( Register a, Register s, Register b);
1360 inline void srd( Register a, Register s, Register b);
1361 inline void srd_( Register a, Register s, Register b);
1362 inline void srw( Register a, Register s, Register b);
1363 inline void srw_( Register a, Register s, Register b);
1364 inline void srad( Register a, Register s, Register b);
1365 inline void srad_( Register a, Register s, Register b);
1366 inline void sraw( Register a, Register s, Register b);
1367 inline void sraw_( Register a, Register s, Register b);
1368 inline void sradi( Register a, Register s, int sh6);
1369 inline void sradi_( Register a, Register s, int sh6);
1370 inline void srawi( Register a, Register s, int sh5);
1371 inline void srawi_( Register a, Register s, int sh5);
1372
1373 // extended mnemonics for Shift Instructions
1374 inline void sldi( Register a, Register s, int sh6);
1375 inline void sldi_( Register a, Register s, int sh6);
1376 inline void slwi( Register a, Register s, int sh5);
1377 inline void slwi_( Register a, Register s, int sh5);
1378 inline void srdi( Register a, Register s, int sh6);
1379 inline void srdi_( Register a, Register s, int sh6);
1380 inline void srwi( Register a, Register s, int sh5);
1381 inline void srwi_( Register a, Register s, int sh5);
1382
1383 inline void clrrdi( Register a, Register s, int ui6);
1384 inline void clrrdi_( Register a, Register s, int ui6);
1385 inline void clrldi( Register a, Register s, int ui6);
1386 inline void clrldi_( Register a, Register s, int ui6);
1387 inline void clrlsldi(Register a, Register s, int clrl6, int shl6);
1388 inline void clrlsldi_(Register a, Register s, int clrl6, int shl6);
1389 inline void extrdi( Register a, Register s, int n, int b);
1390 // testbit with condition register
1391 inline void testbitdi(ConditionRegister cr, Register a, Register s, int ui6);
1392
1393 // rotate instructions
1394 inline void rotldi( Register a, Register s, int n);
1395 inline void rotrdi( Register a, Register s, int n);
1396 inline void rotlwi( Register a, Register s, int n);
1397 inline void rotrwi( Register a, Register s, int n);
1398
1399 // Rotate Instructions
1400 inline void rldic( Register a, Register s, int sh6, int mb6);
1401 inline void rldic_( Register a, Register s, int sh6, int mb6);
1402 inline void rldicr( Register a, Register s, int sh6, int mb6);
1403 inline void rldicr_( Register a, Register s, int sh6, int mb6);
1404 inline void rldicl( Register a, Register s, int sh6, int mb6);
1405 inline void rldicl_( Register a, Register s, int sh6, int mb6);
1406 inline void rlwinm( Register a, Register s, int sh5, int mb5, int me5);
1407 inline void rlwinm_( Register a, Register s, int sh5, int mb5, int me5);
1408 inline void rldimi( Register a, Register s, int sh6, int mb6);
1409 inline void rldimi_( Register a, Register s, int sh6, int mb6);
1410 inline void rlwimi( Register a, Register s, int sh5, int mb5, int me5);
1411 inline void insrdi( Register a, Register s, int n, int b);
1412 inline void insrwi( Register a, Register s, int n, int b);
1413
1414 // PPC 1, section 3.3.2 Fixed-Point Load Instructions
1415 // 4 bytes
1416 inline void lwzx( Register d, Register s1, Register s2);
1417 inline void lwz( Register d, int si16, Register s1);
1418 inline void lwzu( Register d, int si16, Register s1);
1419
1420 // 4 bytes
1421 inline void lwax( Register d, Register s1, Register s2);
1422 inline void lwa( Register d, int si16, Register s1);
1423
1424 // 4 bytes reversed
1425 inline void lwbrx( Register d, Register s1, Register s2);
1426
1427 // 2 bytes
1428 inline void lhzx( Register d, Register s1, Register s2);
1429 inline void lhz( Register d, int si16, Register s1);
1430 inline void lhzu( Register d, int si16, Register s1);
1431
1432 // 2 bytes reversed
1433 inline void lhbrx( Register d, Register s1, Register s2);
1434
1435 // 2 bytes
1436 inline void lhax( Register d, Register s1, Register s2);
1437 inline void lha( Register d, int si16, Register s1);
1438 inline void lhau( Register d, int si16, Register s1);
1439
1440 // 1 byte
1441 inline void lbzx( Register d, Register s1, Register s2);
1442 inline void lbz( Register d, int si16, Register s1);
1443 inline void lbzu( Register d, int si16, Register s1);
1444
1445 // 8 bytes
1446 inline void ldx( Register d, Register s1, Register s2);
1447 inline void ld( Register d, int si16, Register s1);
1448 inline void ldu( Register d, int si16, Register s1);
1449
1450 // PPC 1, section 3.3.3 Fixed-Point Store Instructions
1451 inline void stwx( Register d, Register s1, Register s2);
1452 inline void stw( Register d, int si16, Register s1);
1453 inline void stwu( Register d, int si16, Register s1);
1454
1455 inline void sthx( Register d, Register s1, Register s2);
1456 inline void sth( Register d, int si16, Register s1);
1457 inline void sthu( Register d, int si16, Register s1);
1458
1459 inline void stbx( Register d, Register s1, Register s2);
1460 inline void stb( Register d, int si16, Register s1);
1461 inline void stbu( Register d, int si16, Register s1);
1462
1463 inline void stdx( Register d, Register s1, Register s2);
1464 inline void std( Register d, int si16, Register s1);
1465 inline void stdu( Register d, int si16, Register s1);
1466 inline void stdux(Register s, Register a, Register b);
1467
1468 // PPC 1, section 3.3.13 Move To/From System Register Instructions
1469 inline void mtlr( Register s1);
1470 inline void mflr( Register d);
1471 inline void mtctr(Register s1);
1472 inline void mfctr(Register d);
1473 inline void mtcrf(int fxm, Register s);
1474 inline void mfcr( Register d);
1475 inline void mcrf( ConditionRegister crd, ConditionRegister cra);
1476 inline void mtcr( Register s);
1477
1478 // Special purpose registers
1479 // Exception Register
1480 inline void mtxer(Register s1);
1481 inline void mfxer(Register d);
1482 // Vector Register Save Register
1483 inline void mtvrsave(Register s1);
1484 inline void mfvrsave(Register d);
1485 // Timebase
1486 inline void mftb(Register d);
1487 // Introduced with Power 8:
1488 // Data Stream Control Register
1489 inline void mtdscr(Register s1);
1490 inline void mfdscr(Register d );
1491 // Transactional Memory Registers
1492 inline void mftfhar(Register d);
1493 inline void mftfiar(Register d);
1494 inline void mftexasr(Register d);
1495 inline void mftexasru(Register d);
1496
1497 // PPC 1, section 2.4.1 Branch Instructions
1498 inline void b( address a, relocInfo::relocType rt = relocInfo::none);
1499 inline void b( Label& L);
1500 inline void bl( address a, relocInfo::relocType rt = relocInfo::none);
1501 inline void bl( Label& L);
1502 inline void bc( int boint, int biint, address a, relocInfo::relocType rt = relocInfo::none);
1503 inline void bc( int boint, int biint, Label& L);
1504 inline void bcl(int boint, int biint, address a, relocInfo::relocType rt = relocInfo::none);
1505 inline void bcl(int boint, int biint, Label& L);
1506
1507 inline void bclr( int boint, int biint, int bhint, relocInfo::relocType rt = relocInfo::none);
1508 inline void bclrl( int boint, int biint, int bhint, relocInfo::relocType rt = relocInfo::none);
1509 inline void bcctr( int boint, int biint, int bhint = bhintbhBCCTRisNotReturnButSame,
1510 relocInfo::relocType rt = relocInfo::none);
1511 inline void bcctrl(int boint, int biint, int bhint = bhintbhBCLRisReturn,
1512 relocInfo::relocType rt = relocInfo::none);
1513
1514 // helper function for b, bcxx
1515 inline bool is_within_range_of_b(address a, address pc);
1516 inline bool is_within_range_of_bcxx(address a, address pc);
1517
1518 // get the destination of a bxx branch (b, bl, ba, bla)
1519 static inline address bxx_destination(address baddr);
1520 static inline address bxx_destination(int instr, address pc);
1521 static inline intptr_t bxx_destination_offset(int instr, intptr_t bxx_pos);
1522
1523 // extended mnemonics for branch instructions
1524 inline void blt(ConditionRegister crx, Label& L);
1525 inline void bgt(ConditionRegister crx, Label& L);
1526 inline void beq(ConditionRegister crx, Label& L);
1527 inline void bso(ConditionRegister crx, Label& L);
1528 inline void bge(ConditionRegister crx, Label& L);
1529 inline void ble(ConditionRegister crx, Label& L);
1530 inline void bne(ConditionRegister crx, Label& L);
1531 inline void bns(ConditionRegister crx, Label& L);
1532
1533 // Branch instructions with static prediction hints.
1534 inline void blt_predict_taken( ConditionRegister crx, Label& L);
1535 inline void bgt_predict_taken( ConditionRegister crx, Label& L);
1536 inline void beq_predict_taken( ConditionRegister crx, Label& L);
1537 inline void bso_predict_taken( ConditionRegister crx, Label& L);
1538 inline void bge_predict_taken( ConditionRegister crx, Label& L);
1539 inline void ble_predict_taken( ConditionRegister crx, Label& L);
1540 inline void bne_predict_taken( ConditionRegister crx, Label& L);
1541 inline void bns_predict_taken( ConditionRegister crx, Label& L);
1542 inline void blt_predict_not_taken(ConditionRegister crx, Label& L);
1543 inline void bgt_predict_not_taken(ConditionRegister crx, Label& L);
1544 inline void beq_predict_not_taken(ConditionRegister crx, Label& L);
1545 inline void bso_predict_not_taken(ConditionRegister crx, Label& L);
1546 inline void bge_predict_not_taken(ConditionRegister crx, Label& L);
1547 inline void ble_predict_not_taken(ConditionRegister crx, Label& L);
1548 inline void bne_predict_not_taken(ConditionRegister crx, Label& L);
1549 inline void bns_predict_not_taken(ConditionRegister crx, Label& L);
1550
1551 // for use in conjunction with testbitdi:
1552 inline void btrue( ConditionRegister crx, Label& L);
1553 inline void bfalse(ConditionRegister crx, Label& L);
1554
1555 inline void bltl(ConditionRegister crx, Label& L);
1556 inline void bgtl(ConditionRegister crx, Label& L);
1557 inline void beql(ConditionRegister crx, Label& L);
1558 inline void bsol(ConditionRegister crx, Label& L);
1559 inline void bgel(ConditionRegister crx, Label& L);
1560 inline void blel(ConditionRegister crx, Label& L);
1561 inline void bnel(ConditionRegister crx, Label& L);
1562 inline void bnsl(ConditionRegister crx, Label& L);
1563
1564 // extended mnemonics for Branch Instructions via LR
1565 // We use `blr' for returns.
1566 inline void blr(relocInfo::relocType rt = relocInfo::none);
1567
1568 // extended mnemonics for Branch Instructions with CTR
1569 // bdnz means `decrement CTR and jump to L if CTR is not zero'
1570 inline void bdnz(Label& L);
1571 // Decrement and branch if result is zero.
1572 inline void bdz(Label& L);
1573 // we use `bctr[l]' for jumps/calls in function descriptor glue
1574 // code, e.g. calls to runtime functions
1575 inline void bctr( relocInfo::relocType rt = relocInfo::none);
1576 inline void bctrl(relocInfo::relocType rt = relocInfo::none);
1577 // conditional jumps/branches via CTR
1578 inline void beqctr( ConditionRegister crx, relocInfo::relocType rt = relocInfo::none);
1579 inline void beqctrl(ConditionRegister crx, relocInfo::relocType rt = relocInfo::none);
1580 inline void bnectr( ConditionRegister crx, relocInfo::relocType rt = relocInfo::none);
1581 inline void bnectrl(ConditionRegister crx, relocInfo::relocType rt = relocInfo::none);
1582
1583 // condition register logic instructions
1584 inline void crand( int d, int s1, int s2);
1585 inline void crnand(int d, int s1, int s2);
1586 inline void cror( int d, int s1, int s2);
1587 inline void crxor( int d, int s1, int s2);
1588 inline void crnor( int d, int s1, int s2);
1589 inline void creqv( int d, int s1, int s2);
1590 inline void crandc(int d, int s1, int s2);
1591 inline void crorc( int d, int s1, int s2);
1592
1593 // icache and dcache related instructions
1594 inline void icbi( Register s1, Register s2);
1595 //inline void dcba(Register s1, Register s2); // Instruction for embedded processor only.
1596 inline void dcbz( Register s1, Register s2);
1597 inline void dcbst( Register s1, Register s2);
1598 inline void dcbf( Register s1, Register s2);
1599
1600 enum ct_cache_specification {
1601 ct_primary_cache = 0,
1602 ct_secondary_cache = 2
1603 };
1604 // dcache read hint
1605 inline void dcbt( Register s1, Register s2);
1606 inline void dcbtct( Register s1, Register s2, int ct);
1607 inline void dcbtds( Register s1, Register s2, int ds);
1608 // dcache write hint
1609 inline void dcbtst( Register s1, Register s2);
1610 inline void dcbtstct(Register s1, Register s2, int ct);
1611
1612 // machine barrier instructions:
1613 //
1614 // - sync two-way memory barrier, aka fence
1615 // - lwsync orders Store|Store,
1616 // Load|Store,
1617 // Load|Load,
1618 // but not Store|Load
1619 // - eieio orders memory accesses for device memory (only)
1620 // - isync invalidates speculatively executed instructions
1621 // From the Power ISA 2.06 documentation:
1622 // "[...] an isync instruction prevents the execution of
1623 // instructions following the isync until instructions
1624 // preceding the isync have completed, [...]"
1625 // From IBM's AIX assembler reference:
1626 // "The isync [...] instructions causes the processor to
1627 // refetch any instructions that might have been fetched
1628 // prior to the isync instruction. The instruction isync
1629 // causes the processor to wait for all previous instructions
1630 // to complete. Then any instructions already fetched are
1631 // discarded and instruction processing continues in the
1632 // environment established by the previous instructions."
1633 //
1634 // semantic barrier instructions:
1635 // (as defined in orderAccess.hpp)
1636 //
1637 // - release orders Store|Store, (maps to lwsync)
1638 // Load|Store
1639 // - acquire orders Load|Store, (maps to lwsync)
1640 // Load|Load
1641 // - fence orders Store|Store, (maps to sync)
1642 // Load|Store,
1643 // Load|Load,
1644 // Store|Load
1645 //
1646 private:
1647 inline void sync(int l);
1648 public:
1649 inline void sync();
1650 inline void lwsync();
1651 inline void ptesync();
1652 inline void eieio();
1653 inline void isync();
1654 inline void elemental_membar(int e); // Elemental Memory Barriers (>=Power 8)
1655
1656 // atomics
1657 inline void lwarx_unchecked(Register d, Register a, Register b, int eh1 = 0);
1658 inline void ldarx_unchecked(Register d, Register a, Register b, int eh1 = 0);
1659 inline bool lxarx_hint_exclusive_access();
1660 inline void lwarx( Register d, Register a, Register b, bool hint_exclusive_access = false);
1661 inline void ldarx( Register d, Register a, Register b, bool hint_exclusive_access = false);
1662 inline void stwcx_( Register s, Register a, Register b);
1663 inline void stdcx_( Register s, Register a, Register b);
1664
1665 // Instructions for adjusting thread priority for simultaneous
1666 // multithreading (SMT) on Power5.
1667 private:
1668 inline void smt_prio_very_low();
1669 inline void smt_prio_medium_high();
1670 inline void smt_prio_high();
1671
1672 public:
1673 inline void smt_prio_low();
1674 inline void smt_prio_medium_low();
1675 inline void smt_prio_medium();
1676
1677 // trap instructions
1678 inline void twi_0(Register a); // for load with acquire semantics use load+twi_0+isync (trap can't occur)
1679 // NOT FOR DIRECT USE!!
1680 protected:
1681 inline void tdi_unchecked(int tobits, Register a, int si16);
1682 inline void twi_unchecked(int tobits, Register a, int si16);
1683 inline void tdi( int tobits, Register a, int si16); // asserts UseSIGTRAP
1684 inline void twi( int tobits, Register a, int si16); // asserts UseSIGTRAP
1685 inline void td( int tobits, Register a, Register b); // asserts UseSIGTRAP
1686 inline void tw( int tobits, Register a, Register b); // asserts UseSIGTRAP
1687
1688 static bool is_tdi(int x, int tobits, int ra, int si16) {
1689 return (TDI_OPCODE == (x & TDI_OPCODE_MASK))
1690 && (tobits == inv_to_field(x))
1691 && (ra == -1/*any reg*/ || ra == inv_ra_field(x))
1692 && (si16 == inv_si_field(x));
1693 }
1694
1695 static bool is_twi(int x, int tobits, int ra, int si16) {
1696 return (TWI_OPCODE == (x & TWI_OPCODE_MASK))
1697 && (tobits == inv_to_field(x))
1698 && (ra == -1/*any reg*/ || ra == inv_ra_field(x))
1699 && (si16 == inv_si_field(x));
1700 }
1701
1702 static bool is_twi(int x, int tobits, int ra) {
1703 return (TWI_OPCODE == (x & TWI_OPCODE_MASK))
1704 && (tobits == inv_to_field(x))
1705 && (ra == -1/*any reg*/ || ra == inv_ra_field(x));
1706 }
1707
1708 static bool is_td(int x, int tobits, int ra, int rb) {
1709 return (TD_OPCODE == (x & TD_OPCODE_MASK))
1710 && (tobits == inv_to_field(x))
1711 && (ra == -1/*any reg*/ || ra == inv_ra_field(x))
1712 && (rb == -1/*any reg*/ || rb == inv_rb_field(x));
1713 }
1714
1715 static bool is_tw(int x, int tobits, int ra, int rb) {
1716 return (TW_OPCODE == (x & TW_OPCODE_MASK))
1717 && (tobits == inv_to_field(x))
1718 && (ra == -1/*any reg*/ || ra == inv_ra_field(x))
1719 && (rb == -1/*any reg*/ || rb == inv_rb_field(x));
1720 }
1721
1722 public:
1723 // PPC floating point instructions
1724 // PPC 1, section 4.6.2 Floating-Point Load Instructions
1725 inline void lfs( FloatRegister d, int si16, Register a);
1726 inline void lfsu( FloatRegister d, int si16, Register a);
1727 inline void lfsx( FloatRegister d, Register a, Register b);
1728 inline void lfd( FloatRegister d, int si16, Register a);
1729 inline void lfdu( FloatRegister d, int si16, Register a);
1730 inline void lfdx( FloatRegister d, Register a, Register b);
1731
1732 // PPC 1, section 4.6.3 Floating-Point Store Instructions
1733 inline void stfs( FloatRegister s, int si16, Register a);
1734 inline void stfsu( FloatRegister s, int si16, Register a);
1735 inline void stfsx( FloatRegister s, Register a, Register b);
1736 inline void stfd( FloatRegister s, int si16, Register a);
1737 inline void stfdu( FloatRegister s, int si16, Register a);
1738 inline void stfdx( FloatRegister s, Register a, Register b);
1739
1740 // PPC 1, section 4.6.4 Floating-Point Move Instructions
1741 inline void fmr( FloatRegister d, FloatRegister b);
1742 inline void fmr_( FloatRegister d, FloatRegister b);
1743
1744 // inline void mffgpr( FloatRegister d, Register b);
1745 // inline void mftgpr( Register d, FloatRegister b);
1746 inline void cmpb( Register a, Register s, Register b);
1747 inline void popcntb(Register a, Register s);
1748 inline void popcntw(Register a, Register s);
1749 inline void popcntd(Register a, Register s);
1750
1751 inline void fneg( FloatRegister d, FloatRegister b);
1752 inline void fneg_( FloatRegister d, FloatRegister b);
1753 inline void fabs( FloatRegister d, FloatRegister b);
1754 inline void fabs_( FloatRegister d, FloatRegister b);
1755 inline void fnabs( FloatRegister d, FloatRegister b);
1756 inline void fnabs_(FloatRegister d, FloatRegister b);
1757
1758 // PPC 1, section 4.6.5.1 Floating-Point Elementary Arithmetic Instructions
1759 inline void fadd( FloatRegister d, FloatRegister a, FloatRegister b);
1760 inline void fadd_( FloatRegister d, FloatRegister a, FloatRegister b);
1761 inline void fadds( FloatRegister d, FloatRegister a, FloatRegister b);
1762 inline void fadds_(FloatRegister d, FloatRegister a, FloatRegister b);
1763 inline void fsub( FloatRegister d, FloatRegister a, FloatRegister b);
1764 inline void fsub_( FloatRegister d, FloatRegister a, FloatRegister b);
1765 inline void fsubs( FloatRegister d, FloatRegister a, FloatRegister b);
1766 inline void fsubs_(FloatRegister d, FloatRegister a, FloatRegister b);
1767 inline void fmul( FloatRegister d, FloatRegister a, FloatRegister c);
1768 inline void fmul_( FloatRegister d, FloatRegister a, FloatRegister c);
1769 inline void fmuls( FloatRegister d, FloatRegister a, FloatRegister c);
1770 inline void fmuls_(FloatRegister d, FloatRegister a, FloatRegister c);
1771 inline void fdiv( FloatRegister d, FloatRegister a, FloatRegister b);
1772 inline void fdiv_( FloatRegister d, FloatRegister a, FloatRegister b);
1773 inline void fdivs( FloatRegister d, FloatRegister a, FloatRegister b);
1774 inline void fdivs_(FloatRegister d, FloatRegister a, FloatRegister b);
1775
1776 // PPC 1, section 4.6.6 Floating-Point Rounding and Conversion Instructions
1777 inline void frsp( FloatRegister d, FloatRegister b);
1778 inline void fctid( FloatRegister d, FloatRegister b);
1779 inline void fctidz(FloatRegister d, FloatRegister b);
1780 inline void fctiw( FloatRegister d, FloatRegister b);
1781 inline void fctiwz(FloatRegister d, FloatRegister b);
1782 inline void fcfid( FloatRegister d, FloatRegister b);
1783 inline void fcfids(FloatRegister d, FloatRegister b);
1784
1785 // PPC 1, section 4.6.7 Floating-Point Compare Instructions
1786 inline void fcmpu( ConditionRegister crx, FloatRegister a, FloatRegister b);
1787
1788 inline void fsqrt( FloatRegister d, FloatRegister b);
1789 inline void fsqrts(FloatRegister d, FloatRegister b);
1790
1791 // Vector instructions for >= Power6.
1792 inline void lvebx( VectorRegister d, Register s1, Register s2);
1793 inline void lvehx( VectorRegister d, Register s1, Register s2);
1794 inline void lvewx( VectorRegister d, Register s1, Register s2);
1795 inline void lvx( VectorRegister d, Register s1, Register s2);
1796 inline void lvxl( VectorRegister d, Register s1, Register s2);
1797 inline void stvebx( VectorRegister d, Register s1, Register s2);
1798 inline void stvehx( VectorRegister d, Register s1, Register s2);
1799 inline void stvewx( VectorRegister d, Register s1, Register s2);
1800 inline void stvx( VectorRegister d, Register s1, Register s2);
1801 inline void stvxl( VectorRegister d, Register s1, Register s2);
1802 inline void lvsl( VectorRegister d, Register s1, Register s2);
1803 inline void lvsr( VectorRegister d, Register s1, Register s2);
1804 inline void vpkpx( VectorRegister d, VectorRegister a, VectorRegister b);
1805 inline void vpkshss( VectorRegister d, VectorRegister a, VectorRegister b);
1806 inline void vpkswss( VectorRegister d, VectorRegister a, VectorRegister b);
1807 inline void vpkshus( VectorRegister d, VectorRegister a, VectorRegister b);
1808 inline void vpkswus( VectorRegister d, VectorRegister a, VectorRegister b);
1809 inline void vpkuhum( VectorRegister d, VectorRegister a, VectorRegister b);
1810 inline void vpkuwum( VectorRegister d, VectorRegister a, VectorRegister b);
1811 inline void vpkuhus( VectorRegister d, VectorRegister a, VectorRegister b);
1812 inline void vpkuwus( VectorRegister d, VectorRegister a, VectorRegister b);
1813 inline void vupkhpx( VectorRegister d, VectorRegister b);
1814 inline void vupkhsb( VectorRegister d, VectorRegister b);
1815 inline void vupkhsh( VectorRegister d, VectorRegister b);
1816 inline void vupklpx( VectorRegister d, VectorRegister b);
1817 inline void vupklsb( VectorRegister d, VectorRegister b);
1818 inline void vupklsh( VectorRegister d, VectorRegister b);
1819 inline void vmrghb( VectorRegister d, VectorRegister a, VectorRegister b);
1820 inline void vmrghw( VectorRegister d, VectorRegister a, VectorRegister b);
1821 inline void vmrghh( VectorRegister d, VectorRegister a, VectorRegister b);
1822 inline void vmrglb( VectorRegister d, VectorRegister a, VectorRegister b);
1823 inline void vmrglw( VectorRegister d, VectorRegister a, VectorRegister b);
1824 inline void vmrglh( VectorRegister d, VectorRegister a, VectorRegister b);
1825 inline void vsplt( VectorRegister d, int ui4, VectorRegister b);
1826 inline void vsplth( VectorRegister d, int ui3, VectorRegister b);
1827 inline void vspltw( VectorRegister d, int ui2, VectorRegister b);
1828 inline void vspltisb( VectorRegister d, int si5);
1829 inline void vspltish( VectorRegister d, int si5);
1830 inline void vspltisw( VectorRegister d, int si5);
1831 inline void vperm( VectorRegister d, VectorRegister a, VectorRegister b, VectorRegister c);
1832 inline void vsel( VectorRegister d, VectorRegister a, VectorRegister b, VectorRegister c);
1833 inline void vsl( VectorRegister d, VectorRegister a, VectorRegister b);
1834 inline void vsldoi( VectorRegister d, VectorRegister a, VectorRegister b, int si4);
1835 inline void vslo( VectorRegister d, VectorRegister a, VectorRegister b);
1836 inline void vsr( VectorRegister d, VectorRegister a, VectorRegister b);
1837 inline void vsro( VectorRegister d, VectorRegister a, VectorRegister b);
1838 inline void vaddcuw( VectorRegister d, VectorRegister a, VectorRegister b);
1839 inline void vaddshs( VectorRegister d, VectorRegister a, VectorRegister b);
1840 inline void vaddsbs( VectorRegister d, VectorRegister a, VectorRegister b);
1841 inline void vaddsws( VectorRegister d, VectorRegister a, VectorRegister b);
1842 inline void vaddubm( VectorRegister d, VectorRegister a, VectorRegister b);
1843 inline void vadduwm( VectorRegister d, VectorRegister a, VectorRegister b);
1844 inline void vadduhm( VectorRegister d, VectorRegister a, VectorRegister b);
1845 inline void vaddubs( VectorRegister d, VectorRegister a, VectorRegister b);
1846 inline void vadduws( VectorRegister d, VectorRegister a, VectorRegister b);
1847 inline void vadduhs( VectorRegister d, VectorRegister a, VectorRegister b);
1848 inline void vsubcuw( VectorRegister d, VectorRegister a, VectorRegister b);
1849 inline void vsubshs( VectorRegister d, VectorRegister a, VectorRegister b);
1850 inline void vsubsbs( VectorRegister d, VectorRegister a, VectorRegister b);
1851 inline void vsubsws( VectorRegister d, VectorRegister a, VectorRegister b);
1852 inline void vsububm( VectorRegister d, VectorRegister a, VectorRegister b);
1853 inline void vsubuwm( VectorRegister d, VectorRegister a, VectorRegister b);
1854 inline void vsubuhm( VectorRegister d, VectorRegister a, VectorRegister b);
1855 inline void vsububs( VectorRegister d, VectorRegister a, VectorRegister b);
1856 inline void vsubuws( VectorRegister d, VectorRegister a, VectorRegister b);
1857 inline void vsubuhs( VectorRegister d, VectorRegister a, VectorRegister b);
1858 inline void vmulesb( VectorRegister d, VectorRegister a, VectorRegister b);
1859 inline void vmuleub( VectorRegister d, VectorRegister a, VectorRegister b);
1860 inline void vmulesh( VectorRegister d, VectorRegister a, VectorRegister b);
1861 inline void vmuleuh( VectorRegister d, VectorRegister a, VectorRegister b);
1862 inline void vmulosb( VectorRegister d, VectorRegister a, VectorRegister b);
1863 inline void vmuloub( VectorRegister d, VectorRegister a, VectorRegister b);
1864 inline void vmulosh( VectorRegister d, VectorRegister a, VectorRegister b);
1865 inline void vmulouh( VectorRegister d, VectorRegister a, VectorRegister b);
1866 inline void vmhaddshs(VectorRegister d, VectorRegister a, VectorRegister b, VectorRegister c);
1867 inline void vmhraddshs(VectorRegister d,VectorRegister a, VectorRegister b, VectorRegister c);
1868 inline void vmladduhm(VectorRegister d, VectorRegister a, VectorRegister b, VectorRegister c);
1869 inline void vmsubuhm( VectorRegister d, VectorRegister a, VectorRegister b, VectorRegister c);
1870 inline void vmsummbm( VectorRegister d, VectorRegister a, VectorRegister b, VectorRegister c);
1871 inline void vmsumshm( VectorRegister d, VectorRegister a, VectorRegister b, VectorRegister c);
1872 inline void vmsumshs( VectorRegister d, VectorRegister a, VectorRegister b, VectorRegister c);
1873 inline void vmsumuhm( VectorRegister d, VectorRegister a, VectorRegister b, VectorRegister c);
1874 inline void vmsumuhs( VectorRegister d, VectorRegister a, VectorRegister b, VectorRegister c);
1875 inline void vsumsws( VectorRegister d, VectorRegister a, VectorRegister b);
1876 inline void vsum2sws( VectorRegister d, VectorRegister a, VectorRegister b);
1877 inline void vsum4sbs( VectorRegister d, VectorRegister a, VectorRegister b);
1878 inline void vsum4ubs( VectorRegister d, VectorRegister a, VectorRegister b);
1879 inline void vsum4shs( VectorRegister d, VectorRegister a, VectorRegister b);
1880 inline void vavgsb( VectorRegister d, VectorRegister a, VectorRegister b);
1881 inline void vavgsw( VectorRegister d, VectorRegister a, VectorRegister b);
1882 inline void vavgsh( VectorRegister d, VectorRegister a, VectorRegister b);
1883 inline void vavgub( VectorRegister d, VectorRegister a, VectorRegister b);
1884 inline void vavguw( VectorRegister d, VectorRegister a, VectorRegister b);
1885 inline void vavguh( VectorRegister d, VectorRegister a, VectorRegister b);
1886 inline void vmaxsb( VectorRegister d, VectorRegister a, VectorRegister b);
1887 inline void vmaxsw( VectorRegister d, VectorRegister a, VectorRegister b);
1888 inline void vmaxsh( VectorRegister d, VectorRegister a, VectorRegister b);
1889 inline void vmaxub( VectorRegister d, VectorRegister a, VectorRegister b);
1890 inline void vmaxuw( VectorRegister d, VectorRegister a, VectorRegister b);
1891 inline void vmaxuh( VectorRegister d, VectorRegister a, VectorRegister b);
1892 inline void vminsb( VectorRegister d, VectorRegister a, VectorRegister b);
1893 inline void vminsw( VectorRegister d, VectorRegister a, VectorRegister b);
1894 inline void vminsh( VectorRegister d, VectorRegister a, VectorRegister b);
1895 inline void vminub( VectorRegister d, VectorRegister a, VectorRegister b);
1896 inline void vminuw( VectorRegister d, VectorRegister a, VectorRegister b);
1897 inline void vminuh( VectorRegister d, VectorRegister a, VectorRegister b);
1898 inline void vcmpequb( VectorRegister d, VectorRegister a, VectorRegister b);
1899 inline void vcmpequh( VectorRegister d, VectorRegister a, VectorRegister b);
1900 inline void vcmpequw( VectorRegister d, VectorRegister a, VectorRegister b);
1901 inline void vcmpgtsh( VectorRegister d, VectorRegister a, VectorRegister b);
1902 inline void vcmpgtsb( VectorRegister d, VectorRegister a, VectorRegister b);
1903 inline void vcmpgtsw( VectorRegister d, VectorRegister a, VectorRegister b);
1904 inline void vcmpgtub( VectorRegister d, VectorRegister a, VectorRegister b);
1905 inline void vcmpgtuh( VectorRegister d, VectorRegister a, VectorRegister b);
1906 inline void vcmpgtuw( VectorRegister d, VectorRegister a, VectorRegister b);
1907 inline void vcmpequb_(VectorRegister d, VectorRegister a, VectorRegister b);
1908 inline void vcmpequh_(VectorRegister d, VectorRegister a, VectorRegister b);
1909 inline void vcmpequw_(VectorRegister d, VectorRegister a, VectorRegister b);
1910 inline void vcmpgtsh_(VectorRegister d, VectorRegister a, VectorRegister b);
1911 inline void vcmpgtsb_(VectorRegister d, VectorRegister a, VectorRegister b);
1912 inline void vcmpgtsw_(VectorRegister d, VectorRegister a, VectorRegister b);
1913 inline void vcmpgtub_(VectorRegister d, VectorRegister a, VectorRegister b);
1914 inline void vcmpgtuh_(VectorRegister d, VectorRegister a, VectorRegister b);
1915 inline void vcmpgtuw_(VectorRegister d, VectorRegister a, VectorRegister b);
1916 inline void vand( VectorRegister d, VectorRegister a, VectorRegister b);
1917 inline void vandc( VectorRegister d, VectorRegister a, VectorRegister b);
1918 inline void vnor( VectorRegister d, VectorRegister a, VectorRegister b);
1919 inline void vor( VectorRegister d, VectorRegister a, VectorRegister b);
1920 inline void vxor( VectorRegister d, VectorRegister a, VectorRegister b);
1921 inline void vrlb( VectorRegister d, VectorRegister a, VectorRegister b);
1922 inline void vrlw( VectorRegister d, VectorRegister a, VectorRegister b);
1923 inline void vrlh( VectorRegister d, VectorRegister a, VectorRegister b);
1924 inline void vslb( VectorRegister d, VectorRegister a, VectorRegister b);
1925 inline void vskw( VectorRegister d, VectorRegister a, VectorRegister b);
1926 inline void vslh( VectorRegister d, VectorRegister a, VectorRegister b);
1927 inline void vsrb( VectorRegister d, VectorRegister a, VectorRegister b);
1928 inline void vsrw( VectorRegister d, VectorRegister a, VectorRegister b);
1929 inline void vsrh( VectorRegister d, VectorRegister a, VectorRegister b);
1930 inline void vsrab( VectorRegister d, VectorRegister a, VectorRegister b);
1931 inline void vsraw( VectorRegister d, VectorRegister a, VectorRegister b);
1932 inline void vsrah( VectorRegister d, VectorRegister a, VectorRegister b);
1933 // Vector Floating-Point not implemented yet
1934 inline void mtvscr( VectorRegister b);
1935 inline void mfvscr( VectorRegister d);
1936
1937 // AES (introduced with Power 8)
1938 inline void vcipher( VectorRegister d, VectorRegister a, VectorRegister b);
1939 inline void vcipherlast( VectorRegister d, VectorRegister a, VectorRegister b);
1940 inline void vncipher( VectorRegister d, VectorRegister a, VectorRegister b);
1941 inline void vncipherlast(VectorRegister d, VectorRegister a, VectorRegister b);
1942 inline void vsbox( VectorRegister d, VectorRegister a);
1943
1944 // SHA (introduced with Power 8)
1945 // Not yet implemented.
1946
1947 // Vector Binary Polynomial Multiplication (introduced with Power 8)
1948 inline void vpmsumb( VectorRegister d, VectorRegister a, VectorRegister b);
1949 inline void vpmsumd( VectorRegister d, VectorRegister a, VectorRegister b);
1950 inline void vpmsumh( VectorRegister d, VectorRegister a, VectorRegister b);
1951 inline void vpmsumw( VectorRegister d, VectorRegister a, VectorRegister b);
1952
1953 // Vector Permute and Xor (introduced with Power 8)
1954 inline void vpermxor( VectorRegister d, VectorRegister a, VectorRegister b, VectorRegister c);
1955
1956 // Transactional Memory instructions (introduced with Power 8)
1957 inline void tbegin_(); // R=0
1958 inline void tbeginrot_(); // R=1 Rollback-Only Transaction
1959 inline void tend_(); // A=0
1960 inline void tendall_(); // A=1
1961 inline void tabort_(Register a);
1962 inline void tabortwc_(int t, Register a, Register b);
1963 inline void tabortwci_(int t, Register a, int si);
1964 inline void tabortdc_(int t, Register a, Register b);
1965 inline void tabortdci_(int t, Register a, int si);
1966 inline void tsuspend_(); // tsr with L=0
1967 inline void tresume_(); // tsr with L=1
1968 inline void tcheck(int f);
1969
1970 // The following encoders use r0 as second operand. These instructions
1971 // read r0 as '0'.
1972 inline void lwzx( Register d, Register s2);
1973 inline void lwz( Register d, int si16);
1974 inline void lwax( Register d, Register s2);
1975 inline void lwa( Register d, int si16);
1976 inline void lwbrx(Register d, Register s2);
1977 inline void lhzx( Register d, Register s2);
1978 inline void lhz( Register d, int si16);
1979 inline void lhax( Register d, Register s2);
1980 inline void lha( Register d, int si16);
1981 inline void lhbrx(Register d, Register s2);
1982 inline void lbzx( Register d, Register s2);
1983 inline void lbz( Register d, int si16);
1984 inline void ldx( Register d, Register s2);
1985 inline void ld( Register d, int si16);
1986 inline void stwx( Register d, Register s2);
1987 inline void stw( Register d, int si16);
1988 inline void sthx( Register d, Register s2);
1989 inline void sth( Register d, int si16);
1990 inline void stbx( Register d, Register s2);
1991 inline void stb( Register d, int si16);
1992 inline void stdx( Register d, Register s2);
1993 inline void std( Register d, int si16);
1994
1995 // PPC 2, section 3.2.1 Instruction Cache Instructions
1996 inline void icbi( Register s2);
1997 // PPC 2, section 3.2.2 Data Cache Instructions
1998 //inlinevoid dcba( Register s2); // Instruction for embedded processor only.
1999 inline void dcbz( Register s2);
2000 inline void dcbst( Register s2);
2001 inline void dcbf( Register s2);
2002 // dcache read hint
2003 inline void dcbt( Register s2);
2004 inline void dcbtct( Register s2, int ct);
2005 inline void dcbtds( Register s2, int ds);
2006 // dcache write hint
2007 inline void dcbtst( Register s2);
2008 inline void dcbtstct(Register s2, int ct);
2009
2010 // Atomics: use ra0mem to disallow R0 as base.
2011 inline void lwarx_unchecked(Register d, Register b, int eh1);
2012 inline void ldarx_unchecked(Register d, Register b, int eh1);
2013 inline void lwarx( Register d, Register b, bool hint_exclusive_access);
2014 inline void ldarx( Register d, Register b, bool hint_exclusive_access);
2015 inline void stwcx_(Register s, Register b);
2016 inline void stdcx_(Register s, Register b);
2017 inline void lfs( FloatRegister d, int si16);
2018 inline void lfsx( FloatRegister d, Register b);
2019 inline void lfd( FloatRegister d, int si16);
2020 inline void lfdx( FloatRegister d, Register b);
2021 inline void stfs( FloatRegister s, int si16);
2022 inline void stfsx( FloatRegister s, Register b);
2023 inline void stfd( FloatRegister s, int si16);
2024 inline void stfdx( FloatRegister s, Register b);
2025 inline void lvebx( VectorRegister d, Register s2);
2026 inline void lvehx( VectorRegister d, Register s2);
2027 inline void lvewx( VectorRegister d, Register s2);
2028 inline void lvx( VectorRegister d, Register s2);
2029 inline void lvxl( VectorRegister d, Register s2);
2030 inline void stvebx(VectorRegister d, Register s2);
2031 inline void stvehx(VectorRegister d, Register s2);
2032 inline void stvewx(VectorRegister d, Register s2);
2033 inline void stvx( VectorRegister d, Register s2);
2034 inline void stvxl( VectorRegister d, Register s2);
2035 inline void lvsl( VectorRegister d, Register s2);
2036 inline void lvsr( VectorRegister d, Register s2);
2037
2038 // RegisterOrConstant versions.
2039 // These emitters choose between the versions using two registers and
2040 // those with register and immediate, depending on the content of roc.
2041 // If the constant is not encodable as immediate, instructions to
2042 // load the constant are emitted beforehand. Store instructions need a
2043 // tmp reg if the constant is not encodable as immediate.
2044 // Size unpredictable.
2045 void ld( Register d, RegisterOrConstant roc, Register s1 = noreg);
2046 void lwa( Register d, RegisterOrConstant roc, Register s1 = noreg);
2047 void lwz( Register d, RegisterOrConstant roc, Register s1 = noreg);
2048 void lha( Register d, RegisterOrConstant roc, Register s1 = noreg);
2049 void lhz( Register d, RegisterOrConstant roc, Register s1 = noreg);
2050 void lbz( Register d, RegisterOrConstant roc, Register s1 = noreg);
2051 void std( Register d, RegisterOrConstant roc, Register s1 = noreg, Register tmp = noreg);
2052 void stw( Register d, RegisterOrConstant roc, Register s1 = noreg, Register tmp = noreg);
2053 void sth( Register d, RegisterOrConstant roc, Register s1 = noreg, Register tmp = noreg);
2054 void stb( Register d, RegisterOrConstant roc, Register s1 = noreg, Register tmp = noreg);
2055 void add( Register d, RegisterOrConstant roc, Register s1);
2056 void subf(Register d, RegisterOrConstant roc, Register s1);
2057 void cmpd(ConditionRegister d, RegisterOrConstant roc, Register s1);
2058
2059
2060 // Emit several instructions to load a 64 bit constant. This issues a fixed
2061 // instruction pattern so that the constant can be patched later on.
2062 enum {
2063 load_const_size = 5 * BytesPerInstWord
2064 };
2065 void load_const(Register d, long a, Register tmp = noreg);
2066 inline void load_const(Register d, void* a, Register tmp = noreg);
2067 inline void load_const(Register d, Label& L, Register tmp = noreg);
2068 inline void load_const(Register d, AddressLiteral& a, Register tmp = noreg);
2069
2070 // Load a 64 bit constant, optimized, not identifyable.
2071 // Tmp can be used to increase ILP. Set return_simm16_rest = true to get a
2072 // 16 bit immediate offset. This is useful if the offset can be encoded in
2073 // a succeeding instruction.
2074 int load_const_optimized(Register d, long a, Register tmp = noreg, bool return_simm16_rest = false);
2075 inline int load_const_optimized(Register d, void* a, Register tmp = noreg, bool return_simm16_rest = false) {
2076 return load_const_optimized(d, (long)(unsigned long)a, tmp, return_simm16_rest);
2077 }
2078
2079 // Creation
2080 Assembler(CodeBuffer* code) : AbstractAssembler(code) {
2081 #ifdef CHECK_DELAY
2082 delay_state = no_delay;
2083 #endif
2084 }
2085
2086 // Testing
2087 #ifndef PRODUCT
2088 void test_asm();
2089 #endif
2090 };
2091
2092
2093 #endif // CPU_PPC_VM_ASSEMBLER_PPC_HPP