1 /*
2 * Copyright (c) 2002, 2019, Oracle and/or its affiliates. All rights reserved.
3 * Copyright (c) 2012, 2018 SAP SE. 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_ASSEMBLER_PPC_HPP
27 #define CPU_PPC_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 class Address {
35 private:
36 Register _base; // Base register.
37 Register _index; // Index register.
38 intptr_t _disp; // Displacement.
39
40 public:
41 Address(Register b, Register i, address d = 0)
42 : _base(b), _index(i), _disp((intptr_t)d) {
43 assert(i == noreg || d == 0, "can't have both");
44 }
45
46 Address(Register b, address d = 0)
47 : _base(b), _index(noreg), _disp((intptr_t)d) {}
48
49 Address(Register b, intptr_t d)
50 : _base(b), _index(noreg), _disp(d) {}
51
52 Address(Register b, RegisterOrConstant roc)
53 : _base(b), _index(noreg), _disp(0) {
54 if (roc.is_constant()) _disp = roc.as_constant(); else _index = roc.as_register();
55 }
56
57 Address()
58 : _base(noreg), _index(noreg), _disp(0) {}
59
60 // accessors
61 Register base() const { return _base; }
62 Register index() const { return _index; }
63 int disp() const { return (int)_disp; }
64 bool is_const() const { return _base == noreg && _index == noreg; }
65 };
66
67 class AddressLiteral {
68 private:
69 address _address;
70 RelocationHolder _rspec;
71
72 RelocationHolder rspec_from_rtype(relocInfo::relocType rtype, address addr) {
73 switch (rtype) {
74 case relocInfo::external_word_type:
75 return external_word_Relocation::spec(addr);
76 case relocInfo::internal_word_type:
77 return internal_word_Relocation::spec(addr);
78 case relocInfo::opt_virtual_call_type:
79 return opt_virtual_call_Relocation::spec();
80 case relocInfo::static_call_type:
81 return static_call_Relocation::spec();
82 case relocInfo::runtime_call_type:
83 return runtime_call_Relocation::spec();
84 case relocInfo::none:
85 return RelocationHolder();
86 default:
87 ShouldNotReachHere();
88 return RelocationHolder();
89 }
90 }
91
92 protected:
93 // creation
94 AddressLiteral() : _address(NULL), _rspec(NULL) {}
95
96 public:
97 AddressLiteral(address addr, RelocationHolder const& rspec)
98 : _address(addr),
99 _rspec(rspec) {}
100
101 AddressLiteral(address addr, relocInfo::relocType rtype = relocInfo::none)
102 : _address((address) addr),
103 _rspec(rspec_from_rtype(rtype, (address) addr)) {}
104
105 AddressLiteral(oop* addr, relocInfo::relocType rtype = relocInfo::none)
106 : _address((address) addr),
107 _rspec(rspec_from_rtype(rtype, (address) addr)) {}
108
109 intptr_t value() const { return (intptr_t) _address; }
110
111 const RelocationHolder& rspec() const { return _rspec; }
112 };
113
114 // Argument is an abstraction used to represent an outgoing
115 // actual argument or an incoming formal parameter, whether
116 // it resides in memory or in a register, in a manner consistent
117 // with the PPC Application Binary Interface, or ABI. This is
118 // often referred to as the native or C calling convention.
119
120 class Argument {
121 private:
122 int _number; // The number of the argument.
123 public:
124 enum {
125 // Only 8 registers may contain integer parameters.
126 n_register_parameters = 8,
127 // Can have up to 8 floating registers.
128 n_float_register_parameters = 8,
129
130 // PPC C calling conventions.
131 // The first eight arguments are passed in int regs if they are int.
132 n_int_register_parameters_c = 8,
133 // The first thirteen float arguments are passed in float regs.
134 n_float_register_parameters_c = 13,
135 // Only the first 8 parameters are not placed on the stack. Aix disassembly
136 // shows that xlC places all float args after argument 8 on the stack AND
137 // in a register. This is not documented, but we follow this convention, too.
138 n_regs_not_on_stack_c = 8,
139 };
140 // creation
141 Argument(int number) : _number(number) {}
142
143 int number() const { return _number; }
144
145 // Locating register-based arguments:
146 bool is_register() const { return _number < n_register_parameters; }
147
148 Register as_register() const {
149 assert(is_register(), "must be a register argument");
150 return as_Register(number() + R3_ARG1->encoding());
151 }
152 };
153
154 #if !defined(ABI_ELFv2)
155 // A ppc64 function descriptor.
156 struct FunctionDescriptor {
157 private:
158 address _entry;
159 address _toc;
160 address _env;
161
162 public:
163 inline address entry() const { return _entry; }
164 inline address toc() const { return _toc; }
165 inline address env() const { return _env; }
166
167 inline void set_entry(address entry) { _entry = entry; }
168 inline void set_toc( address toc) { _toc = toc; }
169 inline void set_env( address env) { _env = env; }
170
171 inline static ByteSize entry_offset() { return byte_offset_of(FunctionDescriptor, _entry); }
172 inline static ByteSize toc_offset() { return byte_offset_of(FunctionDescriptor, _toc); }
173 inline static ByteSize env_offset() { return byte_offset_of(FunctionDescriptor, _env); }
174
175 // Friend functions can be called without loading toc and env.
176 enum {
177 friend_toc = 0xcafe,
178 friend_env = 0xc0de
179 };
180
181 inline bool is_friend_function() const {
182 return (toc() == (address) friend_toc) && (env() == (address) friend_env);
183 }
184
185 // Constructor for stack-allocated instances.
186 FunctionDescriptor() {
187 _entry = (address) 0xbad;
188 _toc = (address) 0xbad;
189 _env = (address) 0xbad;
190 }
191 };
192 #endif
193
194
195 // The PPC Assembler: Pure assembler doing NO optimizations on the
196 // instruction level; i.e., what you write is what you get. The
197 // Assembler is generating code into a CodeBuffer.
198
199 class Assembler : public AbstractAssembler {
200 protected:
201 // Displacement routines
202 static int patched_branch(int dest_pos, int inst, int inst_pos);
203 static int branch_destination(int inst, int pos);
204
205 friend class AbstractAssembler;
206
207 // Code patchers need various routines like inv_wdisp()
208 friend class NativeInstruction;
209 friend class NativeGeneralJump;
210 friend class Relocation;
211
212 public:
213
214 enum shifts {
215 XO_21_29_SHIFT = 2,
216 XO_21_30_SHIFT = 1,
217 XO_27_29_SHIFT = 2,
218 XO_30_31_SHIFT = 0,
219 SPR_5_9_SHIFT = 11u, // SPR_5_9 field in bits 11 -- 15
220 SPR_0_4_SHIFT = 16u, // SPR_0_4 field in bits 16 -- 20
221 RS_SHIFT = 21u, // RS field in bits 21 -- 25
222 OPCODE_SHIFT = 26u, // opcode in bits 26 -- 31
223 };
224
225 enum opcdxos_masks {
226 XL_FORM_OPCODE_MASK = (63u << OPCODE_SHIFT) | (1023u << 1),
227 ADDI_OPCODE_MASK = (63u << OPCODE_SHIFT),
228 ADDIS_OPCODE_MASK = (63u << OPCODE_SHIFT),
229 BXX_OPCODE_MASK = (63u << OPCODE_SHIFT),
230 BCXX_OPCODE_MASK = (63u << OPCODE_SHIFT),
231 // trap instructions
232 TDI_OPCODE_MASK = (63u << OPCODE_SHIFT),
233 TWI_OPCODE_MASK = (63u << OPCODE_SHIFT),
234 TD_OPCODE_MASK = (63u << OPCODE_SHIFT) | (1023u << 1),
235 TW_OPCODE_MASK = (63u << OPCODE_SHIFT) | (1023u << 1),
236 LD_OPCODE_MASK = (63u << OPCODE_SHIFT) | (3u << XO_30_31_SHIFT), // DS-FORM
237 STD_OPCODE_MASK = LD_OPCODE_MASK,
238 STDU_OPCODE_MASK = STD_OPCODE_MASK,
239 STDX_OPCODE_MASK = (63u << OPCODE_SHIFT) | (1023u << 1),
240 STDUX_OPCODE_MASK = STDX_OPCODE_MASK,
241 STW_OPCODE_MASK = (63u << OPCODE_SHIFT),
242 STWU_OPCODE_MASK = STW_OPCODE_MASK,
243 STWX_OPCODE_MASK = (63u << OPCODE_SHIFT) | (1023u << 1),
244 STWUX_OPCODE_MASK = STWX_OPCODE_MASK,
245 MTCTR_OPCODE_MASK = ~(31u << RS_SHIFT),
246 ORI_OPCODE_MASK = (63u << OPCODE_SHIFT),
247 ORIS_OPCODE_MASK = (63u << OPCODE_SHIFT),
248 RLDICR_OPCODE_MASK = (63u << OPCODE_SHIFT) | (7u << XO_27_29_SHIFT)
249 };
250
251 enum opcdxos {
252 ADD_OPCODE = (31u << OPCODE_SHIFT | 266u << 1),
253 ADDC_OPCODE = (31u << OPCODE_SHIFT | 10u << 1),
254 ADDI_OPCODE = (14u << OPCODE_SHIFT),
255 ADDIS_OPCODE = (15u << OPCODE_SHIFT),
256 ADDIC__OPCODE = (13u << OPCODE_SHIFT),
257 ADDE_OPCODE = (31u << OPCODE_SHIFT | 138u << 1),
258 ADDME_OPCODE = (31u << OPCODE_SHIFT | 234u << 1),
259 ADDZE_OPCODE = (31u << OPCODE_SHIFT | 202u << 1),
260 SUBF_OPCODE = (31u << OPCODE_SHIFT | 40u << 1),
261 SUBFC_OPCODE = (31u << OPCODE_SHIFT | 8u << 1),
262 SUBFE_OPCODE = (31u << OPCODE_SHIFT | 136u << 1),
263 SUBFIC_OPCODE = (8u << OPCODE_SHIFT),
264 SUBFME_OPCODE = (31u << OPCODE_SHIFT | 232u << 1),
265 SUBFZE_OPCODE = (31u << OPCODE_SHIFT | 200u << 1),
266 DIVW_OPCODE = (31u << OPCODE_SHIFT | 491u << 1),
267 MULLW_OPCODE = (31u << OPCODE_SHIFT | 235u << 1),
268 MULHW_OPCODE = (31u << OPCODE_SHIFT | 75u << 1),
269 MULHWU_OPCODE = (31u << OPCODE_SHIFT | 11u << 1),
270 MULLI_OPCODE = (7u << OPCODE_SHIFT),
271 AND_OPCODE = (31u << OPCODE_SHIFT | 28u << 1),
272 ANDI_OPCODE = (28u << OPCODE_SHIFT),
273 ANDIS_OPCODE = (29u << OPCODE_SHIFT),
274 ANDC_OPCODE = (31u << OPCODE_SHIFT | 60u << 1),
275 ORC_OPCODE = (31u << OPCODE_SHIFT | 412u << 1),
276 OR_OPCODE = (31u << OPCODE_SHIFT | 444u << 1),
277 ORI_OPCODE = (24u << OPCODE_SHIFT),
278 ORIS_OPCODE = (25u << OPCODE_SHIFT),
279 XOR_OPCODE = (31u << OPCODE_SHIFT | 316u << 1),
280 XORI_OPCODE = (26u << OPCODE_SHIFT),
281 XORIS_OPCODE = (27u << OPCODE_SHIFT),
282
283 NEG_OPCODE = (31u << OPCODE_SHIFT | 104u << 1),
284
285 RLWINM_OPCODE = (21u << OPCODE_SHIFT),
286 CLRRWI_OPCODE = RLWINM_OPCODE,
287 CLRLWI_OPCODE = RLWINM_OPCODE,
288
289 RLWIMI_OPCODE = (20u << OPCODE_SHIFT),
290
291 SLW_OPCODE = (31u << OPCODE_SHIFT | 24u << 1),
292 SLWI_OPCODE = RLWINM_OPCODE,
293 SRW_OPCODE = (31u << OPCODE_SHIFT | 536u << 1),
294 SRWI_OPCODE = RLWINM_OPCODE,
295 SRAW_OPCODE = (31u << OPCODE_SHIFT | 792u << 1),
296 SRAWI_OPCODE = (31u << OPCODE_SHIFT | 824u << 1),
297
298 CMP_OPCODE = (31u << OPCODE_SHIFT | 0u << 1),
299 CMPI_OPCODE = (11u << OPCODE_SHIFT),
300 CMPL_OPCODE = (31u << OPCODE_SHIFT | 32u << 1),
301 CMPLI_OPCODE = (10u << OPCODE_SHIFT),
302 CMPRB_OPCODE = (31u << OPCODE_SHIFT | 192u << 1),
303 CMPEQB_OPCODE = (31u << OPCODE_SHIFT | 224u << 1),
304
305 ISEL_OPCODE = (31u << OPCODE_SHIFT | 15u << 1),
306
307 // Special purpose registers
308 MTSPR_OPCODE = (31u << OPCODE_SHIFT | 467u << 1),
309 MFSPR_OPCODE = (31u << OPCODE_SHIFT | 339u << 1),
310
311 MTXER_OPCODE = (MTSPR_OPCODE | 1 << SPR_0_4_SHIFT),
312 MFXER_OPCODE = (MFSPR_OPCODE | 1 << SPR_0_4_SHIFT),
313
314 MTDSCR_OPCODE = (MTSPR_OPCODE | 3 << SPR_0_4_SHIFT),
315 MFDSCR_OPCODE = (MFSPR_OPCODE | 3 << SPR_0_4_SHIFT),
316
317 MTLR_OPCODE = (MTSPR_OPCODE | 8 << SPR_0_4_SHIFT),
318 MFLR_OPCODE = (MFSPR_OPCODE | 8 << SPR_0_4_SHIFT),
319
320 MTCTR_OPCODE = (MTSPR_OPCODE | 9 << SPR_0_4_SHIFT),
321 MFCTR_OPCODE = (MFSPR_OPCODE | 9 << SPR_0_4_SHIFT),
322
323 // Attention: Higher and lower half are inserted in reversed order.
324 MTTFHAR_OPCODE = (MTSPR_OPCODE | 4 << SPR_5_9_SHIFT | 0 << SPR_0_4_SHIFT),
325 MFTFHAR_OPCODE = (MFSPR_OPCODE | 4 << SPR_5_9_SHIFT | 0 << SPR_0_4_SHIFT),
326 MTTFIAR_OPCODE = (MTSPR_OPCODE | 4 << SPR_5_9_SHIFT | 1 << SPR_0_4_SHIFT),
327 MFTFIAR_OPCODE = (MFSPR_OPCODE | 4 << SPR_5_9_SHIFT | 1 << SPR_0_4_SHIFT),
328 MTTEXASR_OPCODE = (MTSPR_OPCODE | 4 << SPR_5_9_SHIFT | 2 << SPR_0_4_SHIFT),
329 MFTEXASR_OPCODE = (MFSPR_OPCODE | 4 << SPR_5_9_SHIFT | 2 << SPR_0_4_SHIFT),
330 MTTEXASRU_OPCODE = (MTSPR_OPCODE | 4 << SPR_5_9_SHIFT | 3 << SPR_0_4_SHIFT),
331 MFTEXASRU_OPCODE = (MFSPR_OPCODE | 4 << SPR_5_9_SHIFT | 3 << SPR_0_4_SHIFT),
332
333 MTVRSAVE_OPCODE = (MTSPR_OPCODE | 8 << SPR_5_9_SHIFT | 0 << SPR_0_4_SHIFT),
334 MFVRSAVE_OPCODE = (MFSPR_OPCODE | 8 << SPR_5_9_SHIFT | 0 << SPR_0_4_SHIFT),
335
336 MFTB_OPCODE = (MFSPR_OPCODE | 8 << SPR_5_9_SHIFT | 12 << SPR_0_4_SHIFT),
337
338 MTCRF_OPCODE = (31u << OPCODE_SHIFT | 144u << 1),
339 MFCR_OPCODE = (31u << OPCODE_SHIFT | 19u << 1),
340 MCRF_OPCODE = (19u << OPCODE_SHIFT | 0u << 1),
341 SETB_OPCODE = (31u << OPCODE_SHIFT | 128u << 1),
342
343 // condition register logic instructions
344 CRAND_OPCODE = (19u << OPCODE_SHIFT | 257u << 1),
345 CRNAND_OPCODE = (19u << OPCODE_SHIFT | 225u << 1),
346 CROR_OPCODE = (19u << OPCODE_SHIFT | 449u << 1),
347 CRXOR_OPCODE = (19u << OPCODE_SHIFT | 193u << 1),
348 CRNOR_OPCODE = (19u << OPCODE_SHIFT | 33u << 1),
349 CREQV_OPCODE = (19u << OPCODE_SHIFT | 289u << 1),
350 CRANDC_OPCODE = (19u << OPCODE_SHIFT | 129u << 1),
351 CRORC_OPCODE = (19u << OPCODE_SHIFT | 417u << 1),
352
353 BCLR_OPCODE = (19u << OPCODE_SHIFT | 16u << 1),
354 BXX_OPCODE = (18u << OPCODE_SHIFT),
355 BCXX_OPCODE = (16u << OPCODE_SHIFT),
356
357 // CTR-related opcodes
358 BCCTR_OPCODE = (19u << OPCODE_SHIFT | 528u << 1),
359
360 LWZ_OPCODE = (32u << OPCODE_SHIFT),
361 LWZX_OPCODE = (31u << OPCODE_SHIFT | 23u << 1),
362 LWZU_OPCODE = (33u << OPCODE_SHIFT),
363 LWBRX_OPCODE = (31u << OPCODE_SHIFT | 534 << 1),
364
365 LHA_OPCODE = (42u << OPCODE_SHIFT),
366 LHAX_OPCODE = (31u << OPCODE_SHIFT | 343u << 1),
367 LHAU_OPCODE = (43u << OPCODE_SHIFT),
368
369 LHZ_OPCODE = (40u << OPCODE_SHIFT),
370 LHZX_OPCODE = (31u << OPCODE_SHIFT | 279u << 1),
371 LHZU_OPCODE = (41u << OPCODE_SHIFT),
372 LHBRX_OPCODE = (31u << OPCODE_SHIFT | 790 << 1),
373
374 LBZ_OPCODE = (34u << OPCODE_SHIFT),
375 LBZX_OPCODE = (31u << OPCODE_SHIFT | 87u << 1),
376 LBZU_OPCODE = (35u << OPCODE_SHIFT),
377
378 STW_OPCODE = (36u << OPCODE_SHIFT),
379 STWX_OPCODE = (31u << OPCODE_SHIFT | 151u << 1),
380 STWU_OPCODE = (37u << OPCODE_SHIFT),
381 STWUX_OPCODE = (31u << OPCODE_SHIFT | 183u << 1),
382 STWBRX_OPCODE = (31u << OPCODE_SHIFT | 662u << 1),
383
384 STH_OPCODE = (44u << OPCODE_SHIFT),
385 STHX_OPCODE = (31u << OPCODE_SHIFT | 407u << 1),
386 STHU_OPCODE = (45u << OPCODE_SHIFT),
387 STHBRX_OPCODE = (31u << OPCODE_SHIFT | 918u << 1),
388
389 STB_OPCODE = (38u << OPCODE_SHIFT),
390 STBX_OPCODE = (31u << OPCODE_SHIFT | 215u << 1),
391 STBU_OPCODE = (39u << OPCODE_SHIFT),
392
393 EXTSB_OPCODE = (31u << OPCODE_SHIFT | 954u << 1),
394 EXTSH_OPCODE = (31u << OPCODE_SHIFT | 922u << 1),
395 EXTSW_OPCODE = (31u << OPCODE_SHIFT | 986u << 1), // X-FORM
396
397 // 32 bit opcode encodings
398
399 LWA_OPCODE = (58u << OPCODE_SHIFT | 2u << XO_30_31_SHIFT), // DS-FORM
400 LWAX_OPCODE = (31u << OPCODE_SHIFT | 341u << XO_21_30_SHIFT), // X-FORM
401
402 CNTLZW_OPCODE = (31u << OPCODE_SHIFT | 26u << XO_21_30_SHIFT), // X-FORM
403 CNTTZW_OPCODE = (31u << OPCODE_SHIFT | 538u << XO_21_30_SHIFT), // X-FORM
404
405 // 64 bit opcode encodings
406
407 LD_OPCODE = (58u << OPCODE_SHIFT | 0u << XO_30_31_SHIFT), // DS-FORM
408 LDU_OPCODE = (58u << OPCODE_SHIFT | 1u << XO_30_31_SHIFT), // DS-FORM
409 LDX_OPCODE = (31u << OPCODE_SHIFT | 21u << XO_21_30_SHIFT), // X-FORM
410 LDBRX_OPCODE = (31u << OPCODE_SHIFT | 532u << 1), // X-FORM
411
412 STD_OPCODE = (62u << OPCODE_SHIFT | 0u << XO_30_31_SHIFT), // DS-FORM
413 STDU_OPCODE = (62u << OPCODE_SHIFT | 1u << XO_30_31_SHIFT), // DS-FORM
414 STDUX_OPCODE = (31u << OPCODE_SHIFT | 181u << 1), // X-FORM
415 STDX_OPCODE = (31u << OPCODE_SHIFT | 149u << XO_21_30_SHIFT), // X-FORM
416 STDBRX_OPCODE = (31u << OPCODE_SHIFT | 660u << 1), // X-FORM
417
418 RLDICR_OPCODE = (30u << OPCODE_SHIFT | 1u << XO_27_29_SHIFT), // MD-FORM
419 RLDICL_OPCODE = (30u << OPCODE_SHIFT | 0u << XO_27_29_SHIFT), // MD-FORM
420 RLDIC_OPCODE = (30u << OPCODE_SHIFT | 2u << XO_27_29_SHIFT), // MD-FORM
421 RLDIMI_OPCODE = (30u << OPCODE_SHIFT | 3u << XO_27_29_SHIFT), // MD-FORM
422
423 SRADI_OPCODE = (31u << OPCODE_SHIFT | 413u << XO_21_29_SHIFT), // XS-FORM
424
425 SLD_OPCODE = (31u << OPCODE_SHIFT | 27u << 1), // X-FORM
426 SRD_OPCODE = (31u << OPCODE_SHIFT | 539u << 1), // X-FORM
427 SRAD_OPCODE = (31u << OPCODE_SHIFT | 794u << 1), // X-FORM
428
429 MULLD_OPCODE = (31u << OPCODE_SHIFT | 233u << 1), // XO-FORM
430 MULHD_OPCODE = (31u << OPCODE_SHIFT | 73u << 1), // XO-FORM
431 MULHDU_OPCODE = (31u << OPCODE_SHIFT | 9u << 1), // XO-FORM
432 DIVD_OPCODE = (31u << OPCODE_SHIFT | 489u << 1), // XO-FORM
433
434 CNTLZD_OPCODE = (31u << OPCODE_SHIFT | 58u << XO_21_30_SHIFT), // X-FORM
435 CNTTZD_OPCODE = (31u << OPCODE_SHIFT | 570u << XO_21_30_SHIFT), // X-FORM
436 NAND_OPCODE = (31u << OPCODE_SHIFT | 476u << XO_21_30_SHIFT), // X-FORM
437 NOR_OPCODE = (31u << OPCODE_SHIFT | 124u << XO_21_30_SHIFT), // X-FORM
438
439
440 // opcodes only used for floating arithmetic
441 FADD_OPCODE = (63u << OPCODE_SHIFT | 21u << 1),
442 FADDS_OPCODE = (59u << OPCODE_SHIFT | 21u << 1),
443 FCMPU_OPCODE = (63u << OPCODE_SHIFT | 00u << 1),
444 FDIV_OPCODE = (63u << OPCODE_SHIFT | 18u << 1),
445 FDIVS_OPCODE = (59u << OPCODE_SHIFT | 18u << 1),
446 FMR_OPCODE = (63u << OPCODE_SHIFT | 72u << 1),
447 // These are special Power6 opcodes, reused for "lfdepx" and "stfdepx"
448 // on Power7. Do not use.
449 // MFFGPR_OPCODE = (31u << OPCODE_SHIFT | 607u << 1),
450 // MFTGPR_OPCODE = (31u << OPCODE_SHIFT | 735u << 1),
451 CMPB_OPCODE = (31u << OPCODE_SHIFT | 508 << 1),
452 POPCNTB_OPCODE = (31u << OPCODE_SHIFT | 122 << 1),
453 POPCNTW_OPCODE = (31u << OPCODE_SHIFT | 378 << 1),
454 POPCNTD_OPCODE = (31u << OPCODE_SHIFT | 506 << 1),
455 FABS_OPCODE = (63u << OPCODE_SHIFT | 264u << 1),
456 FNABS_OPCODE = (63u << OPCODE_SHIFT | 136u << 1),
457 FMUL_OPCODE = (63u << OPCODE_SHIFT | 25u << 1),
458 FMULS_OPCODE = (59u << OPCODE_SHIFT | 25u << 1),
459 FNEG_OPCODE = (63u << OPCODE_SHIFT | 40u << 1),
460 FSUB_OPCODE = (63u << OPCODE_SHIFT | 20u << 1),
461 FSUBS_OPCODE = (59u << OPCODE_SHIFT | 20u << 1),
462
463 // PPC64-internal FPU conversion opcodes
464 FCFID_OPCODE = (63u << OPCODE_SHIFT | 846u << 1),
465 FCFIDS_OPCODE = (59u << OPCODE_SHIFT | 846u << 1),
466 FCTID_OPCODE = (63u << OPCODE_SHIFT | 814u << 1),
467 FCTIDZ_OPCODE = (63u << OPCODE_SHIFT | 815u << 1),
468 FCTIW_OPCODE = (63u << OPCODE_SHIFT | 14u << 1),
469 FCTIWZ_OPCODE = (63u << OPCODE_SHIFT | 15u << 1),
470 FRSP_OPCODE = (63u << OPCODE_SHIFT | 12u << 1),
471
472 // Fused multiply-accumulate instructions.
473 FMADD_OPCODE = (63u << OPCODE_SHIFT | 29u << 1),
474 FMADDS_OPCODE = (59u << OPCODE_SHIFT | 29u << 1),
475 FMSUB_OPCODE = (63u << OPCODE_SHIFT | 28u << 1),
476 FMSUBS_OPCODE = (59u << OPCODE_SHIFT | 28u << 1),
477 FNMADD_OPCODE = (63u << OPCODE_SHIFT | 31u << 1),
478 FNMADDS_OPCODE = (59u << OPCODE_SHIFT | 31u << 1),
479 FNMSUB_OPCODE = (63u << OPCODE_SHIFT | 30u << 1),
480 FNMSUBS_OPCODE = (59u << OPCODE_SHIFT | 30u << 1),
481
482 LFD_OPCODE = (50u << OPCODE_SHIFT | 00u << 1),
483 LFDU_OPCODE = (51u << OPCODE_SHIFT | 00u << 1),
484 LFDX_OPCODE = (31u << OPCODE_SHIFT | 599u << 1),
485 LFS_OPCODE = (48u << OPCODE_SHIFT | 00u << 1),
486 LFSU_OPCODE = (49u << OPCODE_SHIFT | 00u << 1),
487 LFSX_OPCODE = (31u << OPCODE_SHIFT | 535u << 1),
488
489 STFD_OPCODE = (54u << OPCODE_SHIFT | 00u << 1),
490 STFDU_OPCODE = (55u << OPCODE_SHIFT | 00u << 1),
491 STFDX_OPCODE = (31u << OPCODE_SHIFT | 727u << 1),
492 STFS_OPCODE = (52u << OPCODE_SHIFT | 00u << 1),
493 STFSU_OPCODE = (53u << OPCODE_SHIFT | 00u << 1),
494 STFSX_OPCODE = (31u << OPCODE_SHIFT | 663u << 1),
495
496 FSQRT_OPCODE = (63u << OPCODE_SHIFT | 22u << 1), // A-FORM
497 FSQRTS_OPCODE = (59u << OPCODE_SHIFT | 22u << 1), // A-FORM
498
499 // Vector instruction support for >= Power6
500 // Vector Storage Access
501 LVEBX_OPCODE = (31u << OPCODE_SHIFT | 7u << 1),
502 LVEHX_OPCODE = (31u << OPCODE_SHIFT | 39u << 1),
503 LVEWX_OPCODE = (31u << OPCODE_SHIFT | 71u << 1),
504 LVX_OPCODE = (31u << OPCODE_SHIFT | 103u << 1),
505 LVXL_OPCODE = (31u << OPCODE_SHIFT | 359u << 1),
506 STVEBX_OPCODE = (31u << OPCODE_SHIFT | 135u << 1),
507 STVEHX_OPCODE = (31u << OPCODE_SHIFT | 167u << 1),
508 STVEWX_OPCODE = (31u << OPCODE_SHIFT | 199u << 1),
509 STVX_OPCODE = (31u << OPCODE_SHIFT | 231u << 1),
510 STVXL_OPCODE = (31u << OPCODE_SHIFT | 487u << 1),
511 LVSL_OPCODE = (31u << OPCODE_SHIFT | 6u << 1),
512 LVSR_OPCODE = (31u << OPCODE_SHIFT | 38u << 1),
513
514 // Vector-Scalar (VSX) instruction support.
515 LXVD2X_OPCODE = (31u << OPCODE_SHIFT | 844u << 1),
516 STXVD2X_OPCODE = (31u << OPCODE_SHIFT | 972u << 1),
517 MTVSRD_OPCODE = (31u << OPCODE_SHIFT | 179u << 1),
518 MTVSRWZ_OPCODE = (31u << OPCODE_SHIFT | 243u << 1),
519 MFVSRD_OPCODE = (31u << OPCODE_SHIFT | 51u << 1),
520 MTVSRWA_OPCODE = (31u << OPCODE_SHIFT | 211u << 1),
521 MFVSRWZ_OPCODE = (31u << OPCODE_SHIFT | 115u << 1),
522 XXPERMDI_OPCODE= (60u << OPCODE_SHIFT | 10u << 3),
523 XXMRGHW_OPCODE = (60u << OPCODE_SHIFT | 18u << 3),
524 XXMRGLW_OPCODE = (60u << OPCODE_SHIFT | 50u << 3),
525 XXSPLTW_OPCODE = (60u << OPCODE_SHIFT | 164u << 2),
526 XXLOR_OPCODE = (60u << OPCODE_SHIFT | 146u << 3),
527 XXLXOR_OPCODE = (60u << OPCODE_SHIFT | 154u << 3),
528 XXLEQV_OPCODE = (60u << OPCODE_SHIFT | 186u << 3),
529 XVDIVSP_OPCODE = (60u << OPCODE_SHIFT | 88u << 3),
530 XVDIVDP_OPCODE = (60u << OPCODE_SHIFT | 120u << 3),
531 XVABSSP_OPCODE = (60u << OPCODE_SHIFT | 409u << 2),
532 XVABSDP_OPCODE = (60u << OPCODE_SHIFT | 473u << 2),
533 XVNEGSP_OPCODE = (60u << OPCODE_SHIFT | 441u << 2),
534 XVNEGDP_OPCODE = (60u << OPCODE_SHIFT | 505u << 2),
535 XVSQRTSP_OPCODE= (60u << OPCODE_SHIFT | 139u << 2),
536 XVSQRTDP_OPCODE= (60u << OPCODE_SHIFT | 203u << 2),
537 XSCVDPSPN_OPCODE=(60u << OPCODE_SHIFT | 267u << 2),
538 XVADDDP_OPCODE = (60u << OPCODE_SHIFT | 96u << 3),
539 XVSUBDP_OPCODE = (60u << OPCODE_SHIFT | 104u << 3),
540 XVMULSP_OPCODE = (60u << OPCODE_SHIFT | 80u << 3),
541 XVMULDP_OPCODE = (60u << OPCODE_SHIFT | 112u << 3),
542 XVMADDASP_OPCODE=(60u << OPCODE_SHIFT | 65u << 3),
543 XVMADDADP_OPCODE=(60u << OPCODE_SHIFT | 97u << 3),
544 XVMSUBASP_OPCODE=(60u << OPCODE_SHIFT | 81u << 3),
545 XVMSUBADP_OPCODE=(60u << OPCODE_SHIFT | 113u << 3),
546 XVNMSUBASP_OPCODE=(60u<< OPCODE_SHIFT | 209u << 3),
547 XVNMSUBADP_OPCODE=(60u<< OPCODE_SHIFT | 241u << 3),
548
549 // Deliver A Random Number (introduced with POWER9)
550 DARN_OPCODE = (31u << OPCODE_SHIFT | 755u << 1),
551
552 // Vector Permute and Formatting
553 VPKPX_OPCODE = (4u << OPCODE_SHIFT | 782u ),
554 VPKSHSS_OPCODE = (4u << OPCODE_SHIFT | 398u ),
555 VPKSWSS_OPCODE = (4u << OPCODE_SHIFT | 462u ),
556 VPKSHUS_OPCODE = (4u << OPCODE_SHIFT | 270u ),
557 VPKSWUS_OPCODE = (4u << OPCODE_SHIFT | 334u ),
558 VPKUHUM_OPCODE = (4u << OPCODE_SHIFT | 14u ),
559 VPKUWUM_OPCODE = (4u << OPCODE_SHIFT | 78u ),
560 VPKUHUS_OPCODE = (4u << OPCODE_SHIFT | 142u ),
561 VPKUWUS_OPCODE = (4u << OPCODE_SHIFT | 206u ),
562 VUPKHPX_OPCODE = (4u << OPCODE_SHIFT | 846u ),
563 VUPKHSB_OPCODE = (4u << OPCODE_SHIFT | 526u ),
564 VUPKHSH_OPCODE = (4u << OPCODE_SHIFT | 590u ),
565 VUPKLPX_OPCODE = (4u << OPCODE_SHIFT | 974u ),
566 VUPKLSB_OPCODE = (4u << OPCODE_SHIFT | 654u ),
567 VUPKLSH_OPCODE = (4u << OPCODE_SHIFT | 718u ),
568
569 VMRGHB_OPCODE = (4u << OPCODE_SHIFT | 12u ),
570 VMRGHW_OPCODE = (4u << OPCODE_SHIFT | 140u ),
571 VMRGHH_OPCODE = (4u << OPCODE_SHIFT | 76u ),
572 VMRGLB_OPCODE = (4u << OPCODE_SHIFT | 268u ),
573 VMRGLW_OPCODE = (4u << OPCODE_SHIFT | 396u ),
574 VMRGLH_OPCODE = (4u << OPCODE_SHIFT | 332u ),
575
576 VSPLT_OPCODE = (4u << OPCODE_SHIFT | 524u ),
577 VSPLTH_OPCODE = (4u << OPCODE_SHIFT | 588u ),
578 VSPLTW_OPCODE = (4u << OPCODE_SHIFT | 652u ),
579 VSPLTISB_OPCODE= (4u << OPCODE_SHIFT | 780u ),
580 VSPLTISH_OPCODE= (4u << OPCODE_SHIFT | 844u ),
581 VSPLTISW_OPCODE= (4u << OPCODE_SHIFT | 908u ),
582
583 VPERM_OPCODE = (4u << OPCODE_SHIFT | 43u ),
584 VSEL_OPCODE = (4u << OPCODE_SHIFT | 42u ),
585
586 VSL_OPCODE = (4u << OPCODE_SHIFT | 452u ),
587 VSLDOI_OPCODE = (4u << OPCODE_SHIFT | 44u ),
588 VSLO_OPCODE = (4u << OPCODE_SHIFT | 1036u ),
589 VSR_OPCODE = (4u << OPCODE_SHIFT | 708u ),
590 VSRO_OPCODE = (4u << OPCODE_SHIFT | 1100u ),
591
592 // Vector Integer
593 VADDCUW_OPCODE = (4u << OPCODE_SHIFT | 384u ),
594 VADDSHS_OPCODE = (4u << OPCODE_SHIFT | 832u ),
595 VADDSBS_OPCODE = (4u << OPCODE_SHIFT | 768u ),
596 VADDSWS_OPCODE = (4u << OPCODE_SHIFT | 896u ),
597 VADDUBM_OPCODE = (4u << OPCODE_SHIFT | 0u ),
598 VADDUWM_OPCODE = (4u << OPCODE_SHIFT | 128u ),
599 VADDUHM_OPCODE = (4u << OPCODE_SHIFT | 64u ),
600 VADDUDM_OPCODE = (4u << OPCODE_SHIFT | 192u ),
601 VADDUBS_OPCODE = (4u << OPCODE_SHIFT | 512u ),
602 VADDUWS_OPCODE = (4u << OPCODE_SHIFT | 640u ),
603 VADDUHS_OPCODE = (4u << OPCODE_SHIFT | 576u ),
604 VADDFP_OPCODE = (4u << OPCODE_SHIFT | 10u ),
605 VSUBCUW_OPCODE = (4u << OPCODE_SHIFT | 1408u ),
606 VSUBSHS_OPCODE = (4u << OPCODE_SHIFT | 1856u ),
607 VSUBSBS_OPCODE = (4u << OPCODE_SHIFT | 1792u ),
608 VSUBSWS_OPCODE = (4u << OPCODE_SHIFT | 1920u ),
609 VSUBUBM_OPCODE = (4u << OPCODE_SHIFT | 1024u ),
610 VSUBUWM_OPCODE = (4u << OPCODE_SHIFT | 1152u ),
611 VSUBUHM_OPCODE = (4u << OPCODE_SHIFT | 1088u ),
612 VSUBUDM_OPCODE = (4u << OPCODE_SHIFT | 1216u ),
613 VSUBUBS_OPCODE = (4u << OPCODE_SHIFT | 1536u ),
614 VSUBUWS_OPCODE = (4u << OPCODE_SHIFT | 1664u ),
615 VSUBUHS_OPCODE = (4u << OPCODE_SHIFT | 1600u ),
616 VSUBFP_OPCODE = (4u << OPCODE_SHIFT | 74u ),
617
618 VMULESB_OPCODE = (4u << OPCODE_SHIFT | 776u ),
619 VMULEUB_OPCODE = (4u << OPCODE_SHIFT | 520u ),
620 VMULESH_OPCODE = (4u << OPCODE_SHIFT | 840u ),
621 VMULEUH_OPCODE = (4u << OPCODE_SHIFT | 584u ),
622 VMULOSB_OPCODE = (4u << OPCODE_SHIFT | 264u ),
623 VMULOUB_OPCODE = (4u << OPCODE_SHIFT | 8u ),
624 VMULOSH_OPCODE = (4u << OPCODE_SHIFT | 328u ),
625 VMULOSW_OPCODE = (4u << OPCODE_SHIFT | 392u ),
626 VMULOUH_OPCODE = (4u << OPCODE_SHIFT | 72u ),
627 VMULUWM_OPCODE = (4u << OPCODE_SHIFT | 137u ),
628 VMHADDSHS_OPCODE=(4u << OPCODE_SHIFT | 32u ),
629 VMHRADDSHS_OPCODE=(4u << OPCODE_SHIFT | 33u ),
630 VMLADDUHM_OPCODE=(4u << OPCODE_SHIFT | 34u ),
631 VMSUBUHM_OPCODE= (4u << OPCODE_SHIFT | 36u ),
632 VMSUMMBM_OPCODE= (4u << OPCODE_SHIFT | 37u ),
633 VMSUMSHM_OPCODE= (4u << OPCODE_SHIFT | 40u ),
634 VMSUMSHS_OPCODE= (4u << OPCODE_SHIFT | 41u ),
635 VMSUMUHM_OPCODE= (4u << OPCODE_SHIFT | 38u ),
636 VMSUMUHS_OPCODE= (4u << OPCODE_SHIFT | 39u ),
637 VMADDFP_OPCODE = (4u << OPCODE_SHIFT | 46u ),
638
639 VSUMSWS_OPCODE = (4u << OPCODE_SHIFT | 1928u ),
640 VSUM2SWS_OPCODE= (4u << OPCODE_SHIFT | 1672u ),
641 VSUM4SBS_OPCODE= (4u << OPCODE_SHIFT | 1800u ),
642 VSUM4UBS_OPCODE= (4u << OPCODE_SHIFT | 1544u ),
643 VSUM4SHS_OPCODE= (4u << OPCODE_SHIFT | 1608u ),
644
645 VAVGSB_OPCODE = (4u << OPCODE_SHIFT | 1282u ),
646 VAVGSW_OPCODE = (4u << OPCODE_SHIFT | 1410u ),
647 VAVGSH_OPCODE = (4u << OPCODE_SHIFT | 1346u ),
648 VAVGUB_OPCODE = (4u << OPCODE_SHIFT | 1026u ),
649 VAVGUW_OPCODE = (4u << OPCODE_SHIFT | 1154u ),
650 VAVGUH_OPCODE = (4u << OPCODE_SHIFT | 1090u ),
651
652 VMAXSB_OPCODE = (4u << OPCODE_SHIFT | 258u ),
653 VMAXSW_OPCODE = (4u << OPCODE_SHIFT | 386u ),
654 VMAXSH_OPCODE = (4u << OPCODE_SHIFT | 322u ),
655 VMAXUB_OPCODE = (4u << OPCODE_SHIFT | 2u ),
656 VMAXUW_OPCODE = (4u << OPCODE_SHIFT | 130u ),
657 VMAXUH_OPCODE = (4u << OPCODE_SHIFT | 66u ),
658 VMINSB_OPCODE = (4u << OPCODE_SHIFT | 770u ),
659 VMINSW_OPCODE = (4u << OPCODE_SHIFT | 898u ),
660 VMINSH_OPCODE = (4u << OPCODE_SHIFT | 834u ),
661 VMINUB_OPCODE = (4u << OPCODE_SHIFT | 514u ),
662 VMINUW_OPCODE = (4u << OPCODE_SHIFT | 642u ),
663 VMINUH_OPCODE = (4u << OPCODE_SHIFT | 578u ),
664
665 VCMPEQUB_OPCODE= (4u << OPCODE_SHIFT | 6u ),
666 VCMPEQUH_OPCODE= (4u << OPCODE_SHIFT | 70u ),
667 VCMPEQUW_OPCODE= (4u << OPCODE_SHIFT | 134u ),
668 VCMPGTSH_OPCODE= (4u << OPCODE_SHIFT | 838u ),
669 VCMPGTSB_OPCODE= (4u << OPCODE_SHIFT | 774u ),
670 VCMPGTSW_OPCODE= (4u << OPCODE_SHIFT | 902u ),
671 VCMPGTUB_OPCODE= (4u << OPCODE_SHIFT | 518u ),
672 VCMPGTUH_OPCODE= (4u << OPCODE_SHIFT | 582u ),
673 VCMPGTUW_OPCODE= (4u << OPCODE_SHIFT | 646u ),
674
675 VAND_OPCODE = (4u << OPCODE_SHIFT | 1028u ),
676 VANDC_OPCODE = (4u << OPCODE_SHIFT | 1092u ),
677 VNOR_OPCODE = (4u << OPCODE_SHIFT | 1284u ),
678 VOR_OPCODE = (4u << OPCODE_SHIFT | 1156u ),
679 VXOR_OPCODE = (4u << OPCODE_SHIFT | 1220u ),
680 VRLD_OPCODE = (4u << OPCODE_SHIFT | 196u ),
681 VRLB_OPCODE = (4u << OPCODE_SHIFT | 4u ),
682 VRLW_OPCODE = (4u << OPCODE_SHIFT | 132u ),
683 VRLH_OPCODE = (4u << OPCODE_SHIFT | 68u ),
684 VSLB_OPCODE = (4u << OPCODE_SHIFT | 260u ),
685 VSKW_OPCODE = (4u << OPCODE_SHIFT | 388u ),
686 VSLH_OPCODE = (4u << OPCODE_SHIFT | 324u ),
687 VSRB_OPCODE = (4u << OPCODE_SHIFT | 516u ),
688 VSRW_OPCODE = (4u << OPCODE_SHIFT | 644u ),
689 VSRH_OPCODE = (4u << OPCODE_SHIFT | 580u ),
690 VSRAB_OPCODE = (4u << OPCODE_SHIFT | 772u ),
691 VSRAW_OPCODE = (4u << OPCODE_SHIFT | 900u ),
692 VSRAH_OPCODE = (4u << OPCODE_SHIFT | 836u ),
693 VPOPCNTW_OPCODE= (4u << OPCODE_SHIFT | 1923u ),
694
695 // Vector Floating-Point
696 // not implemented yet
697
698 // Vector Status and Control
699 MTVSCR_OPCODE = (4u << OPCODE_SHIFT | 1604u ),
700 MFVSCR_OPCODE = (4u << OPCODE_SHIFT | 1540u ),
701
702 // AES (introduced with Power 8)
703 VCIPHER_OPCODE = (4u << OPCODE_SHIFT | 1288u),
704 VCIPHERLAST_OPCODE = (4u << OPCODE_SHIFT | 1289u),
705 VNCIPHER_OPCODE = (4u << OPCODE_SHIFT | 1352u),
706 VNCIPHERLAST_OPCODE = (4u << OPCODE_SHIFT | 1353u),
707 VSBOX_OPCODE = (4u << OPCODE_SHIFT | 1480u),
708
709 // SHA (introduced with Power 8)
710 VSHASIGMAD_OPCODE = (4u << OPCODE_SHIFT | 1730u),
711 VSHASIGMAW_OPCODE = (4u << OPCODE_SHIFT | 1666u),
712
713 // Vector Binary Polynomial Multiplication (introduced with Power 8)
714 VPMSUMB_OPCODE = (4u << OPCODE_SHIFT | 1032u),
715 VPMSUMD_OPCODE = (4u << OPCODE_SHIFT | 1224u),
716 VPMSUMH_OPCODE = (4u << OPCODE_SHIFT | 1096u),
717 VPMSUMW_OPCODE = (4u << OPCODE_SHIFT | 1160u),
718
719 // Vector Permute and Xor (introduced with Power 8)
720 VPERMXOR_OPCODE = (4u << OPCODE_SHIFT | 45u),
721
722 // Transactional Memory instructions (introduced with Power 8)
723 TBEGIN_OPCODE = (31u << OPCODE_SHIFT | 654u << 1),
724 TEND_OPCODE = (31u << OPCODE_SHIFT | 686u << 1),
725 TABORT_OPCODE = (31u << OPCODE_SHIFT | 910u << 1),
726 TABORTWC_OPCODE = (31u << OPCODE_SHIFT | 782u << 1),
727 TABORTWCI_OPCODE = (31u << OPCODE_SHIFT | 846u << 1),
728 TABORTDC_OPCODE = (31u << OPCODE_SHIFT | 814u << 1),
729 TABORTDCI_OPCODE = (31u << OPCODE_SHIFT | 878u << 1),
730 TSR_OPCODE = (31u << OPCODE_SHIFT | 750u << 1),
731 TCHECK_OPCODE = (31u << OPCODE_SHIFT | 718u << 1),
732
733 // Icache and dcache related instructions
734 DCBA_OPCODE = (31u << OPCODE_SHIFT | 758u << 1),
735 DCBZ_OPCODE = (31u << OPCODE_SHIFT | 1014u << 1),
736 DCBST_OPCODE = (31u << OPCODE_SHIFT | 54u << 1),
737 DCBF_OPCODE = (31u << OPCODE_SHIFT | 86u << 1),
738
739 DCBT_OPCODE = (31u << OPCODE_SHIFT | 278u << 1),
740 DCBTST_OPCODE = (31u << OPCODE_SHIFT | 246u << 1),
741 ICBI_OPCODE = (31u << OPCODE_SHIFT | 982u << 1),
742
743 // Instruction synchronization
744 ISYNC_OPCODE = (19u << OPCODE_SHIFT | 150u << 1),
745 // Memory barriers
746 SYNC_OPCODE = (31u << OPCODE_SHIFT | 598u << 1),
747 EIEIO_OPCODE = (31u << OPCODE_SHIFT | 854u << 1),
748
749 // Wait instructions for polling.
750 WAIT_OPCODE = (31u << OPCODE_SHIFT | 62u << 1),
751
752 // Trap instructions
753 TDI_OPCODE = (2u << OPCODE_SHIFT),
754 TWI_OPCODE = (3u << OPCODE_SHIFT),
755 TD_OPCODE = (31u << OPCODE_SHIFT | 68u << 1),
756 TW_OPCODE = (31u << OPCODE_SHIFT | 4u << 1),
757
758 // Atomics.
759 LBARX_OPCODE = (31u << OPCODE_SHIFT | 52u << 1),
760 LHARX_OPCODE = (31u << OPCODE_SHIFT | 116u << 1),
761 LWARX_OPCODE = (31u << OPCODE_SHIFT | 20u << 1),
762 LDARX_OPCODE = (31u << OPCODE_SHIFT | 84u << 1),
763 LQARX_OPCODE = (31u << OPCODE_SHIFT | 276u << 1),
764 STBCX_OPCODE = (31u << OPCODE_SHIFT | 694u << 1),
765 STHCX_OPCODE = (31u << OPCODE_SHIFT | 726u << 1),
766 STWCX_OPCODE = (31u << OPCODE_SHIFT | 150u << 1),
767 STDCX_OPCODE = (31u << OPCODE_SHIFT | 214u << 1),
768 STQCX_OPCODE = (31u << OPCODE_SHIFT | 182u << 1)
769
770 };
771
772 // Trap instructions TO bits
773 enum trap_to_bits {
774 // single bits
775 traptoLessThanSigned = 1 << 4, // 0, left end
776 traptoGreaterThanSigned = 1 << 3,
777 traptoEqual = 1 << 2,
778 traptoLessThanUnsigned = 1 << 1,
779 traptoGreaterThanUnsigned = 1 << 0, // 4, right end
780
781 // compound ones
782 traptoUnconditional = (traptoLessThanSigned |
783 traptoGreaterThanSigned |
784 traptoEqual |
785 traptoLessThanUnsigned |
786 traptoGreaterThanUnsigned)
787 };
788
789 // Branch hints BH field
790 enum branch_hint_bh {
791 // bclr cases:
792 bhintbhBCLRisReturn = 0,
793 bhintbhBCLRisNotReturnButSame = 1,
794 bhintbhBCLRisNotPredictable = 3,
795
796 // bcctr cases:
797 bhintbhBCCTRisNotReturnButSame = 0,
798 bhintbhBCCTRisNotPredictable = 3
799 };
800
801 // Branch prediction hints AT field
802 enum branch_hint_at {
803 bhintatNoHint = 0, // at=00
804 bhintatIsNotTaken = 2, // at=10
805 bhintatIsTaken = 3 // at=11
806 };
807
808 // Branch prediction hints
809 enum branch_hint_concept {
810 // Use the same encoding as branch_hint_at to simply code.
811 bhintNoHint = bhintatNoHint,
812 bhintIsNotTaken = bhintatIsNotTaken,
813 bhintIsTaken = bhintatIsTaken
814 };
815
816 // Used in BO field of branch instruction.
817 enum branch_condition {
818 bcondCRbiIs0 = 4, // bo=001at
819 bcondCRbiIs1 = 12, // bo=011at
820 bcondAlways = 20 // bo=10100
821 };
822
823 // Branch condition with combined prediction hints.
824 enum branch_condition_with_hint {
825 bcondCRbiIs0_bhintNoHint = bcondCRbiIs0 | bhintatNoHint,
826 bcondCRbiIs0_bhintIsNotTaken = bcondCRbiIs0 | bhintatIsNotTaken,
827 bcondCRbiIs0_bhintIsTaken = bcondCRbiIs0 | bhintatIsTaken,
828 bcondCRbiIs1_bhintNoHint = bcondCRbiIs1 | bhintatNoHint,
829 bcondCRbiIs1_bhintIsNotTaken = bcondCRbiIs1 | bhintatIsNotTaken,
830 bcondCRbiIs1_bhintIsTaken = bcondCRbiIs1 | bhintatIsTaken,
831 };
832
833 // Elemental Memory Barriers (>=Power 8)
834 enum Elemental_Membar_mask_bits {
835 StoreStore = 1 << 0,
836 StoreLoad = 1 << 1,
837 LoadStore = 1 << 2,
838 LoadLoad = 1 << 3
839 };
840
841 // Branch prediction hints.
842 inline static int add_bhint_to_boint(const int bhint, const int boint) {
843 switch (boint) {
844 case bcondCRbiIs0:
845 case bcondCRbiIs1:
846 // branch_hint and branch_hint_at have same encodings
847 assert( (int)bhintNoHint == (int)bhintatNoHint
848 && (int)bhintIsNotTaken == (int)bhintatIsNotTaken
849 && (int)bhintIsTaken == (int)bhintatIsTaken,
850 "wrong encodings");
851 assert((bhint & 0x03) == bhint, "wrong encodings");
852 return (boint & ~0x03) | bhint;
853 case bcondAlways:
854 // no branch_hint
855 return boint;
856 default:
857 ShouldNotReachHere();
858 return 0;
859 }
860 }
861
862 // Extract bcond from boint.
863 inline static int inv_boint_bcond(const int boint) {
864 int r_bcond = boint & ~0x03;
865 assert(r_bcond == bcondCRbiIs0 ||
866 r_bcond == bcondCRbiIs1 ||
867 r_bcond == bcondAlways,
868 "bad branch condition");
869 return r_bcond;
870 }
871
872 // Extract bhint from boint.
873 inline static int inv_boint_bhint(const int boint) {
874 int r_bhint = boint & 0x03;
875 assert(r_bhint == bhintatNoHint ||
876 r_bhint == bhintatIsNotTaken ||
877 r_bhint == bhintatIsTaken,
878 "bad branch hint");
879 return r_bhint;
880 }
881
882 // Calculate opposite of given bcond.
883 inline static int opposite_bcond(const int bcond) {
884 switch (bcond) {
885 case bcondCRbiIs0:
886 return bcondCRbiIs1;
887 case bcondCRbiIs1:
888 return bcondCRbiIs0;
889 default:
890 ShouldNotReachHere();
891 return 0;
892 }
893 }
894
895 // Calculate opposite of given bhint.
896 inline static int opposite_bhint(const int bhint) {
897 switch (bhint) {
898 case bhintatNoHint:
899 return bhintatNoHint;
900 case bhintatIsNotTaken:
901 return bhintatIsTaken;
902 case bhintatIsTaken:
903 return bhintatIsNotTaken;
904 default:
905 ShouldNotReachHere();
906 return 0;
907 }
908 }
909
910 // PPC branch instructions
911 enum ppcops {
912 b_op = 18,
913 bc_op = 16,
914 bcr_op = 19
915 };
916
917 enum Condition {
918 negative = 0,
919 less = 0,
920 positive = 1,
921 greater = 1,
922 zero = 2,
923 equal = 2,
924 summary_overflow = 3,
925 };
926
927 public:
928 // Helper functions for groups of instructions
929
930 enum Predict { pt = 1, pn = 0 }; // pt = predict taken
931
932 //---< calculate length of instruction >---
933 // With PPC64 being a RISC architecture, this always is BytesPerInstWord
934 // instruction must start at passed address
935 static unsigned int instr_len(unsigned char *instr) { return BytesPerInstWord; }
936
937 //---< longest instructions >---
938 static unsigned int instr_maxlen() { return BytesPerInstWord; }
939
940 // Test if x is within signed immediate range for nbits.
941 static bool is_simm(int x, unsigned int nbits) {
942 assert(0 < nbits && nbits < 32, "out of bounds");
943 const int min = -(((int)1) << nbits-1);
944 const int maxplus1 = (((int)1) << nbits-1);
945 return min <= x && x < maxplus1;
946 }
947
948 static bool is_simm(jlong x, unsigned int nbits) {
949 assert(0 < nbits && nbits < 64, "out of bounds");
950 const jlong min = -(((jlong)1) << nbits-1);
951 const jlong maxplus1 = (((jlong)1) << nbits-1);
952 return min <= x && x < maxplus1;
953 }
954
955 // Test if x is within unsigned immediate range for nbits.
956 static bool is_uimm(int x, unsigned int nbits) {
957 assert(0 < nbits && nbits < 32, "out of bounds");
958 const unsigned int maxplus1 = (((unsigned int)1) << nbits);
959 return (unsigned int)x < maxplus1;
960 }
961
962 static bool is_uimm(jlong x, unsigned int nbits) {
963 assert(0 < nbits && nbits < 64, "out of bounds");
964 const julong maxplus1 = (((julong)1) << nbits);
965 return (julong)x < maxplus1;
966 }
967
968 protected:
969 // helpers
970
971 // X is supposed to fit in a field "nbits" wide
972 // and be sign-extended. Check the range.
973 static void assert_signed_range(intptr_t x, int nbits) {
974 assert(nbits == 32 || (-(1 << nbits-1) <= x && x < (1 << nbits-1)),
975 "value out of range");
976 }
977
978 static void assert_signed_word_disp_range(intptr_t x, int nbits) {
979 assert((x & 3) == 0, "not word aligned");
980 assert_signed_range(x, nbits + 2);
981 }
982
983 static void assert_unsigned_const(int x, int nbits) {
984 assert(juint(x) < juint(1 << nbits), "unsigned constant out of range");
985 }
986
987 static int fmask(juint hi_bit, juint lo_bit) {
988 assert(hi_bit >= lo_bit && hi_bit < 32, "bad bits");
989 return (1 << ( hi_bit-lo_bit + 1 )) - 1;
990 }
991
992 // inverse of u_field
993 static int inv_u_field(int x, int hi_bit, int lo_bit) {
994 juint r = juint(x) >> lo_bit;
995 r &= fmask(hi_bit, lo_bit);
996 return int(r);
997 }
998
999 // signed version: extract from field and sign-extend
1000 static int inv_s_field_ppc(int x, int hi_bit, int lo_bit) {
1001 x = x << (31-hi_bit);
1002 x = x >> (31-hi_bit+lo_bit);
1003 return x;
1004 }
1005
1006 static int u_field(int x, int hi_bit, int lo_bit) {
1007 assert((x & ~fmask(hi_bit, lo_bit)) == 0, "value out of range");
1008 int r = x << lo_bit;
1009 assert(inv_u_field(r, hi_bit, lo_bit) == x, "just checking");
1010 return r;
1011 }
1012
1013 // Same as u_field for signed values
1014 static int s_field(int x, int hi_bit, int lo_bit) {
1015 int nbits = hi_bit - lo_bit + 1;
1016 assert(nbits == 32 || (-(1 << nbits-1) <= x && x < (1 << nbits-1)),
1017 "value out of range");
1018 x &= fmask(hi_bit, lo_bit);
1019 int r = x << lo_bit;
1020 return r;
1021 }
1022
1023 // inv_op for ppc instructions
1024 static int inv_op_ppc(int x) { return inv_u_field(x, 31, 26); }
1025
1026 // Determine target address from li, bd field of branch instruction.
1027 static intptr_t inv_li_field(int x) {
1028 intptr_t r = inv_s_field_ppc(x, 25, 2);
1029 r = (r << 2);
1030 return r;
1031 }
1032 static intptr_t inv_bd_field(int x, intptr_t pos) {
1033 intptr_t r = inv_s_field_ppc(x, 15, 2);
1034 r = (r << 2) + pos;
1035 return r;
1036 }
1037
1038 #define inv_opp_u_field(x, hi_bit, lo_bit) inv_u_field(x, 31-(lo_bit), 31-(hi_bit))
1039 #define inv_opp_s_field(x, hi_bit, lo_bit) inv_s_field_ppc(x, 31-(lo_bit), 31-(hi_bit))
1040 // Extract instruction fields from instruction words.
1041 public:
1042 static int inv_ra_field(int x) { return inv_opp_u_field(x, 15, 11); }
1043 static int inv_rb_field(int x) { return inv_opp_u_field(x, 20, 16); }
1044 static int inv_rt_field(int x) { return inv_opp_u_field(x, 10, 6); }
1045 static int inv_rta_field(int x) { return inv_opp_u_field(x, 15, 11); }
1046 static int inv_rs_field(int x) { return inv_opp_u_field(x, 10, 6); }
1047 // Ds uses opp_s_field(x, 31, 16), but lowest 2 bits must be 0.
1048 // Inv_ds_field uses range (x, 29, 16) but shifts by 2 to ensure that lowest bits are 0.
1049 static int inv_ds_field(int x) { return inv_opp_s_field(x, 29, 16) << 2; }
1050 static int inv_d1_field(int x) { return inv_opp_s_field(x, 31, 16); }
1051 static int inv_si_field(int x) { return inv_opp_s_field(x, 31, 16); }
1052 static int inv_to_field(int x) { return inv_opp_u_field(x, 10, 6); }
1053 static int inv_lk_field(int x) { return inv_opp_u_field(x, 31, 31); }
1054 static int inv_bo_field(int x) { return inv_opp_u_field(x, 10, 6); }
1055 static int inv_bi_field(int x) { return inv_opp_u_field(x, 15, 11); }
1056
1057 #define opp_u_field(x, hi_bit, lo_bit) u_field(x, 31-(lo_bit), 31-(hi_bit))
1058 #define opp_s_field(x, hi_bit, lo_bit) s_field(x, 31-(lo_bit), 31-(hi_bit))
1059
1060 // instruction fields
1061 static int aa( int x) { return opp_u_field(x, 30, 30); }
1062 static int ba( int x) { return opp_u_field(x, 15, 11); }
1063 static int bb( int x) { return opp_u_field(x, 20, 16); }
1064 static int bc( int x) { return opp_u_field(x, 25, 21); }
1065 static int bd( int x) { return opp_s_field(x, 29, 16); }
1066 static int bf( ConditionRegister cr) { return bf(cr->encoding()); }
1067 static int bf( int x) { return opp_u_field(x, 8, 6); }
1068 static int bfa(ConditionRegister cr) { return bfa(cr->encoding()); }
1069 static int bfa( int x) { return opp_u_field(x, 13, 11); }
1070 static int bh( int x) { return opp_u_field(x, 20, 19); }
1071 static int bi( int x) { return opp_u_field(x, 15, 11); }
1072 static int bi0(ConditionRegister cr, Condition c) { return (cr->encoding() << 2) | c; }
1073 static int bo( int x) { return opp_u_field(x, 10, 6); }
1074 static int bt( int x) { return opp_u_field(x, 10, 6); }
1075 static int d1( int x) { return opp_s_field(x, 31, 16); }
1076 static int ds( int x) { assert((x & 0x3) == 0, "unaligned offset"); return opp_s_field(x, 31, 16); }
1077 static int eh( int x) { return opp_u_field(x, 31, 31); }
1078 static int flm( int x) { return opp_u_field(x, 14, 7); }
1079 static int fra( FloatRegister r) { return fra(r->encoding());}
1080 static int frb( FloatRegister r) { return frb(r->encoding());}
1081 static int frc( FloatRegister r) { return frc(r->encoding());}
1082 static int frs( FloatRegister r) { return frs(r->encoding());}
1083 static int frt( FloatRegister r) { return frt(r->encoding());}
1084 static int fra( int x) { return opp_u_field(x, 15, 11); }
1085 static int frb( int x) { return opp_u_field(x, 20, 16); }
1086 static int frc( int x) { return opp_u_field(x, 25, 21); }
1087 static int frs( int x) { return opp_u_field(x, 10, 6); }
1088 static int frt( int x) { return opp_u_field(x, 10, 6); }
1089 static int fxm( int x) { return opp_u_field(x, 19, 12); }
1090 static int l10( int x) { assert(x == 0 || x == 1, "must be 0 or 1"); return opp_u_field(x, 10, 10); }
1091 static int l14( int x) { return opp_u_field(x, 15, 14); }
1092 static int l15( int x) { return opp_u_field(x, 15, 15); }
1093 static int l910( int x) { return opp_u_field(x, 10, 9); }
1094 static int e1215( int x) { return opp_u_field(x, 15, 12); }
1095 static int lev( int x) { return opp_u_field(x, 26, 20); }
1096 static int li( int x) { return opp_s_field(x, 29, 6); }
1097 static int lk( int x) { return opp_u_field(x, 31, 31); }
1098 static int mb2125( int x) { return opp_u_field(x, 25, 21); }
1099 static int me2630( int x) { return opp_u_field(x, 30, 26); }
1100 static int mb2126( int x) { return opp_u_field(((x & 0x1f) << 1) | ((x & 0x20) >> 5), 26, 21); }
1101 static int me2126( int x) { return mb2126(x); }
1102 static int nb( int x) { return opp_u_field(x, 20, 16); }
1103 //static int opcd( int x) { return opp_u_field(x, 5, 0); } // is contained in our opcodes
1104 static int oe( int x) { return opp_u_field(x, 21, 21); }
1105 static int ra( Register r) { return ra(r->encoding()); }
1106 static int ra( int x) { return opp_u_field(x, 15, 11); }
1107 static int rb( Register r) { return rb(r->encoding()); }
1108 static int rb( int x) { return opp_u_field(x, 20, 16); }
1109 static int rc( int x) { return opp_u_field(x, 31, 31); }
1110 static int rs( Register r) { return rs(r->encoding()); }
1111 static int rs( int x) { return opp_u_field(x, 10, 6); }
1112 // we don't want to use R0 in memory accesses, because it has value `0' then
1113 static int ra0mem( Register r) { assert(r != R0, "cannot use register R0 in memory access"); return ra(r); }
1114 static int ra0mem( int x) { assert(x != 0, "cannot use register 0 in memory access"); return ra(x); }
1115
1116 // register r is target
1117 static int rt( Register r) { return rs(r); }
1118 static int rt( int x) { return rs(x); }
1119 static int rta( Register r) { return ra(r); }
1120 static int rta0mem( Register r) { rta(r); return ra0mem(r); }
1121
1122 static int sh1620( int x) { return opp_u_field(x, 20, 16); }
1123 static int sh30( int x) { return opp_u_field(x, 30, 30); }
1124 static int sh162030( int x) { return sh1620(x & 0x1f) | sh30((x & 0x20) >> 5); }
1125 static int si( int x) { return opp_s_field(x, 31, 16); }
1126 static int spr( int x) { return opp_u_field(x, 20, 11); }
1127 static int sr( int x) { return opp_u_field(x, 15, 12); }
1128 static int tbr( int x) { return opp_u_field(x, 20, 11); }
1129 static int th( int x) { return opp_u_field(x, 10, 7); }
1130 static int thct( int x) { assert((x&8) == 0, "must be valid cache specification"); return th(x); }
1131 static int thds( int x) { assert((x&8) == 8, "must be valid stream specification"); return th(x); }
1132 static int to( int x) { return opp_u_field(x, 10, 6); }
1133 static int u( int x) { return opp_u_field(x, 19, 16); }
1134 static int ui( int x) { return opp_u_field(x, 31, 16); }
1135
1136 // Support vector instructions for >= Power6.
1137 static int vra( int x) { return opp_u_field(x, 15, 11); }
1138 static int vrb( int x) { return opp_u_field(x, 20, 16); }
1139 static int vrc( int x) { return opp_u_field(x, 25, 21); }
1140 static int vrs( int x) { return opp_u_field(x, 10, 6); }
1141 static int vrt( int x) { return opp_u_field(x, 10, 6); }
1142
1143 static int vra( VectorRegister r) { return vra(r->encoding());}
1144 static int vrb( VectorRegister r) { return vrb(r->encoding());}
1145 static int vrc( VectorRegister r) { return vrc(r->encoding());}
1146 static int vrs( VectorRegister r) { return vrs(r->encoding());}
1147 static int vrt( VectorRegister r) { return vrt(r->encoding());}
1148
1149 // Only used on SHA sigma instructions (VX-form)
1150 static int vst( int x) { return opp_u_field(x, 16, 16); }
1151 static int vsix( int x) { return opp_u_field(x, 20, 17); }
1152
1153 // Support Vector-Scalar (VSX) instructions.
1154 static int vsra( int x) { return opp_u_field(x & 0x1F, 15, 11) | opp_u_field((x & 0x20) >> 5, 29, 29); }
1155 static int vsrb( int x) { return opp_u_field(x & 0x1F, 20, 16) | opp_u_field((x & 0x20) >> 5, 30, 30); }
1156 static int vsrs( int x) { return opp_u_field(x & 0x1F, 10, 6) | opp_u_field((x & 0x20) >> 5, 31, 31); }
1157 static int vsrt( int x) { return vsrs(x); }
1158 static int vsdm( int x) { return opp_u_field(x, 23, 22); }
1159
1160 static int vsra( VectorSRegister r) { return vsra(r->encoding());}
1161 static int vsrb( VectorSRegister r) { return vsrb(r->encoding());}
1162 static int vsrs( VectorSRegister r) { return vsrs(r->encoding());}
1163 static int vsrt( VectorSRegister r) { return vsrt(r->encoding());}
1164
1165 static int vsplt_uim( int x) { return opp_u_field(x, 15, 12); } // for vsplt* instructions
1166 static int vsplti_sim(int x) { return opp_u_field(x, 15, 11); } // for vsplti* instructions
1167 static int vsldoi_shb(int x) { return opp_u_field(x, 25, 22); } // for vsldoi instruction
1168 static int vcmp_rc( int x) { return opp_u_field(x, 21, 21); } // for vcmp* instructions
1169 static int xxsplt_uim(int x) { return opp_u_field(x, 15, 14); } // for xxsplt* instructions
1170
1171 //static int xo1( int x) { return opp_u_field(x, 29, 21); }// is contained in our opcodes
1172 //static int xo2( int x) { return opp_u_field(x, 30, 21); }// is contained in our opcodes
1173 //static int xo3( int x) { return opp_u_field(x, 30, 22); }// is contained in our opcodes
1174 //static int xo4( int x) { return opp_u_field(x, 30, 26); }// is contained in our opcodes
1175 //static int xo5( int x) { return opp_u_field(x, 29, 27); }// is contained in our opcodes
1176 //static int xo6( int x) { return opp_u_field(x, 30, 27); }// is contained in our opcodes
1177 //static int xo7( int x) { return opp_u_field(x, 31, 30); }// is contained in our opcodes
1178
1179 protected:
1180 // Compute relative address for branch.
1181 static intptr_t disp(intptr_t x, intptr_t off) {
1182 int xx = x - off;
1183 xx = xx >> 2;
1184 return xx;
1185 }
1186
1187 public:
1188 // signed immediate, in low bits, nbits long
1189 static int simm(int x, int nbits) {
1190 assert_signed_range(x, nbits);
1191 return x & ((1 << nbits) - 1);
1192 }
1193
1194 // unsigned immediate, in low bits, nbits long
1195 static int uimm(int x, int nbits) {
1196 assert_unsigned_const(x, nbits);
1197 return x & ((1 << nbits) - 1);
1198 }
1199
1200 static void set_imm(int* instr, short s) {
1201 // imm is always in the lower 16 bits of the instruction,
1202 // so this is endian-neutral. Same for the get_imm below.
1203 uint32_t w = *(uint32_t *)instr;
1204 *instr = (int)((w & ~0x0000FFFF) | (s & 0x0000FFFF));
1205 }
1206
1207 static int get_imm(address a, int instruction_number) {
1208 return (short)((int *)a)[instruction_number];
1209 }
1210
1211 static inline int hi16_signed( int x) { return (int)(int16_t)(x >> 16); }
1212 static inline int lo16_unsigned(int x) { return x & 0xffff; }
1213
1214 protected:
1215
1216 // Extract the top 32 bits in a 64 bit word.
1217 static int32_t hi32(int64_t x) {
1218 int32_t r = int32_t((uint64_t)x >> 32);
1219 return r;
1220 }
1221
1222 public:
1223
1224 static inline unsigned int align_addr(unsigned int addr, unsigned int a) {
1225 return ((addr + (a - 1)) & ~(a - 1));
1226 }
1227
1228 static inline bool is_aligned(unsigned int addr, unsigned int a) {
1229 return (0 == addr % a);
1230 }
1231
1232 void flush() {
1233 AbstractAssembler::flush();
1234 }
1235
1236 inline void emit_int32(int); // shadows AbstractAssembler::emit_int32
1237 inline void emit_data(int);
1238 inline void emit_data(int, RelocationHolder const&);
1239 inline void emit_data(int, relocInfo::relocType rtype);
1240
1241 // Emit an address.
1242 inline address emit_addr(const address addr = NULL);
1243
1244 #if !defined(ABI_ELFv2)
1245 // Emit a function descriptor with the specified entry point, TOC,
1246 // and ENV. If the entry point is NULL, the descriptor will point
1247 // just past the descriptor.
1248 // Use values from friend functions as defaults.
1249 inline address emit_fd(address entry = NULL,
1250 address toc = (address) FunctionDescriptor::friend_toc,
1251 address env = (address) FunctionDescriptor::friend_env);
1252 #endif
1253
1254 /////////////////////////////////////////////////////////////////////////////////////
1255 // PPC instructions
1256 /////////////////////////////////////////////////////////////////////////////////////
1257
1258 // Memory instructions use r0 as hard coded 0, e.g. to simulate loading
1259 // immediates. The normal instruction encoders enforce that r0 is not
1260 // passed to them. Use either extended mnemonics encoders or the special ra0
1261 // versions.
1262
1263 // Issue an illegal instruction.
1264 inline void illtrap();
1265 static inline bool is_illtrap(int x);
1266
1267 // PPC 1, section 3.3.8, Fixed-Point Arithmetic Instructions
1268 inline void addi( Register d, Register a, int si16);
1269 inline void addis(Register d, Register a, int si16);
1270 private:
1271 inline void addi_r0ok( Register d, Register a, int si16);
1272 inline void addis_r0ok(Register d, Register a, int si16);
1273 public:
1274 inline void addic_( Register d, Register a, int si16);
1275 inline void subfic( Register d, Register a, int si16);
1276 inline void add( Register d, Register a, Register b);
1277 inline void add_( Register d, Register a, Register b);
1278 inline void subf( Register d, Register a, Register b); // d = b - a "Sub_from", as in ppc spec.
1279 inline void sub( Register d, Register a, Register b); // d = a - b Swap operands of subf for readability.
1280 inline void subf_( Register d, Register a, Register b);
1281 inline void addc( Register d, Register a, Register b);
1282 inline void addc_( Register d, Register a, Register b);
1283 inline void subfc( Register d, Register a, Register b);
1284 inline void subfc_( Register d, Register a, Register b);
1285 inline void adde( Register d, Register a, Register b);
1286 inline void adde_( Register d, Register a, Register b);
1287 inline void subfe( Register d, Register a, Register b);
1288 inline void subfe_( Register d, Register a, Register b);
1289 inline void addme( Register d, Register a);
1290 inline void addme_( Register d, Register a);
1291 inline void subfme( Register d, Register a);
1292 inline void subfme_(Register d, Register a);
1293 inline void addze( Register d, Register a);
1294 inline void addze_( Register d, Register a);
1295 inline void subfze( Register d, Register a);
1296 inline void subfze_(Register d, Register a);
1297 inline void neg( Register d, Register a);
1298 inline void neg_( Register d, Register a);
1299 inline void mulli( Register d, Register a, int si16);
1300 inline void mulld( Register d, Register a, Register b);
1301 inline void mulld_( Register d, Register a, Register b);
1302 inline void mullw( Register d, Register a, Register b);
1303 inline void mullw_( Register d, Register a, Register b);
1304 inline void mulhw( Register d, Register a, Register b);
1305 inline void mulhw_( Register d, Register a, Register b);
1306 inline void mulhwu( Register d, Register a, Register b);
1307 inline void mulhwu_(Register d, Register a, Register b);
1308 inline void mulhd( Register d, Register a, Register b);
1309 inline void mulhd_( Register d, Register a, Register b);
1310 inline void mulhdu( Register d, Register a, Register b);
1311 inline void mulhdu_(Register d, Register a, Register b);
1312 inline void divd( Register d, Register a, Register b);
1313 inline void divd_( Register d, Register a, Register b);
1314 inline void divw( Register d, Register a, Register b);
1315 inline void divw_( Register d, Register a, Register b);
1316
1317 // Fixed-Point Arithmetic Instructions with Overflow detection
1318 inline void addo( Register d, Register a, Register b);
1319 inline void addo_( Register d, Register a, Register b);
1320 inline void subfo( Register d, Register a, Register b);
1321 inline void subfo_( Register d, Register a, Register b);
1322 inline void addco( Register d, Register a, Register b);
1323 inline void addco_( Register d, Register a, Register b);
1324 inline void subfco( Register d, Register a, Register b);
1325 inline void subfco_( Register d, Register a, Register b);
1326 inline void addeo( Register d, Register a, Register b);
1327 inline void addeo_( Register d, Register a, Register b);
1328 inline void subfeo( Register d, Register a, Register b);
1329 inline void subfeo_( Register d, Register a, Register b);
1330 inline void addmeo( Register d, Register a);
1331 inline void addmeo_( Register d, Register a);
1332 inline void subfmeo( Register d, Register a);
1333 inline void subfmeo_(Register d, Register a);
1334 inline void addzeo( Register d, Register a);
1335 inline void addzeo_( Register d, Register a);
1336 inline void subfzeo( Register d, Register a);
1337 inline void subfzeo_(Register d, Register a);
1338 inline void nego( Register d, Register a);
1339 inline void nego_( Register d, Register a);
1340 inline void mulldo( Register d, Register a, Register b);
1341 inline void mulldo_( Register d, Register a, Register b);
1342 inline void mullwo( Register d, Register a, Register b);
1343 inline void mullwo_( Register d, Register a, Register b);
1344 inline void divdo( Register d, Register a, Register b);
1345 inline void divdo_( Register d, Register a, Register b);
1346 inline void divwo( Register d, Register a, Register b);
1347 inline void divwo_( Register d, Register a, Register b);
1348
1349 // extended mnemonics
1350 inline void li( Register d, int si16);
1351 inline void lis( Register d, int si16);
1352 inline void addir(Register d, int si16, Register a);
1353 inline void subi( Register d, Register a, int si16);
1354
1355 static bool is_addi(int x) {
1356 return ADDI_OPCODE == (x & ADDI_OPCODE_MASK);
1357 }
1358 static bool is_addis(int x) {
1359 return ADDIS_OPCODE == (x & ADDIS_OPCODE_MASK);
1360 }
1361 static bool is_bxx(int x) {
1362 return BXX_OPCODE == (x & BXX_OPCODE_MASK);
1363 }
1364 static bool is_b(int x) {
1365 return BXX_OPCODE == (x & BXX_OPCODE_MASK) && inv_lk_field(x) == 0;
1366 }
1367 static bool is_bl(int x) {
1368 return BXX_OPCODE == (x & BXX_OPCODE_MASK) && inv_lk_field(x) == 1;
1369 }
1370 static bool is_bcxx(int x) {
1371 return BCXX_OPCODE == (x & BCXX_OPCODE_MASK);
1372 }
1373 static bool is_bxx_or_bcxx(int x) {
1374 return is_bxx(x) || is_bcxx(x);
1375 }
1376 static bool is_bctrl(int x) {
1377 return x == 0x4e800421;
1378 }
1379 static bool is_bctr(int x) {
1380 return x == 0x4e800420;
1381 }
1382 static bool is_bclr(int x) {
1383 return BCLR_OPCODE == (x & XL_FORM_OPCODE_MASK);
1384 }
1385 static bool is_li(int x) {
1386 return is_addi(x) && inv_ra_field(x)==0;
1387 }
1388 static bool is_lis(int x) {
1389 return is_addis(x) && inv_ra_field(x)==0;
1390 }
1391 static bool is_mtctr(int x) {
1392 return MTCTR_OPCODE == (x & MTCTR_OPCODE_MASK);
1393 }
1394 static bool is_ld(int x) {
1395 return LD_OPCODE == (x & LD_OPCODE_MASK);
1396 }
1397 static bool is_std(int x) {
1398 return STD_OPCODE == (x & STD_OPCODE_MASK);
1399 }
1400 static bool is_stdu(int x) {
1401 return STDU_OPCODE == (x & STDU_OPCODE_MASK);
1402 }
1403 static bool is_stdx(int x) {
1404 return STDX_OPCODE == (x & STDX_OPCODE_MASK);
1405 }
1406 static bool is_stdux(int x) {
1407 return STDUX_OPCODE == (x & STDUX_OPCODE_MASK);
1408 }
1409 static bool is_stwx(int x) {
1410 return STWX_OPCODE == (x & STWX_OPCODE_MASK);
1411 }
1412 static bool is_stwux(int x) {
1413 return STWUX_OPCODE == (x & STWUX_OPCODE_MASK);
1414 }
1415 static bool is_stw(int x) {
1416 return STW_OPCODE == (x & STW_OPCODE_MASK);
1417 }
1418 static bool is_stwu(int x) {
1419 return STWU_OPCODE == (x & STWU_OPCODE_MASK);
1420 }
1421 static bool is_ori(int x) {
1422 return ORI_OPCODE == (x & ORI_OPCODE_MASK);
1423 };
1424 static bool is_oris(int x) {
1425 return ORIS_OPCODE == (x & ORIS_OPCODE_MASK);
1426 };
1427 static bool is_rldicr(int x) {
1428 return (RLDICR_OPCODE == (x & RLDICR_OPCODE_MASK));
1429 };
1430 static bool is_nop(int x) {
1431 return x == 0x60000000;
1432 }
1433 // endgroup opcode for Power6
1434 static bool is_endgroup(int x) {
1435 return is_ori(x) && inv_ra_field(x) == 1 && inv_rs_field(x) == 1 && inv_d1_field(x) == 0;
1436 }
1437
1438
1439 private:
1440 // PPC 1, section 3.3.9, Fixed-Point Compare Instructions
1441 inline void cmpi( ConditionRegister bf, int l, Register a, int si16);
1442 inline void cmp( ConditionRegister bf, int l, Register a, Register b);
1443 inline void cmpli(ConditionRegister bf, int l, Register a, int ui16);
1444 inline void cmpl( ConditionRegister bf, int l, Register a, Register b);
1445
1446 public:
1447 // extended mnemonics of Compare Instructions
1448 inline void cmpwi( ConditionRegister crx, Register a, int si16);
1449 inline void cmpdi( ConditionRegister crx, Register a, int si16);
1450 inline void cmpw( ConditionRegister crx, Register a, Register b);
1451 inline void cmpd( ConditionRegister crx, Register a, Register b);
1452 inline void cmplwi(ConditionRegister crx, Register a, int ui16);
1453 inline void cmpldi(ConditionRegister crx, Register a, int ui16);
1454 inline void cmplw( ConditionRegister crx, Register a, Register b);
1455 inline void cmpld( ConditionRegister crx, Register a, Register b);
1456
1457 // >= Power9
1458 inline void cmprb( ConditionRegister bf, int l, Register a, Register b);
1459 inline void cmpeqb(ConditionRegister bf, Register a, Register b);
1460
1461 inline void isel( Register d, Register a, Register b, int bc);
1462 // Convenient version which takes: Condition register, Condition code and invert flag. Omit b to keep old value.
1463 inline void isel( Register d, ConditionRegister cr, Condition cc, bool inv, Register a, Register b = noreg);
1464 // Set d = 0 if (cr.cc) equals 1, otherwise b.
1465 inline void isel_0( Register d, ConditionRegister cr, Condition cc, Register b = noreg);
1466
1467 // PPC 1, section 3.3.11, Fixed-Point Logical Instructions
1468 void andi( Register a, Register s, long ui16); // optimized version
1469 inline void andi_( Register a, Register s, int ui16);
1470 inline void andis_( Register a, Register s, int ui16);
1471 inline void ori( Register a, Register s, int ui16);
1472 inline void oris( Register a, Register s, int ui16);
1473 inline void xori( Register a, Register s, int ui16);
1474 inline void xoris( Register a, Register s, int ui16);
1475 inline void andr( Register a, Register s, Register b); // suffixed by 'r' as 'and' is C++ keyword
1476 inline void and_( Register a, Register s, Register b);
1477 // Turn or0(rx,rx,rx) into a nop and avoid that we accidently emit a
1478 // SMT-priority change instruction (see SMT instructions below).
1479 inline void or_unchecked(Register a, Register s, Register b);
1480 inline void orr( Register a, Register s, Register b); // suffixed by 'r' as 'or' is C++ keyword
1481 inline void or_( Register a, Register s, Register b);
1482 inline void xorr( Register a, Register s, Register b); // suffixed by 'r' as 'xor' is C++ keyword
1483 inline void xor_( Register a, Register s, Register b);
1484 inline void nand( Register a, Register s, Register b);
1485 inline void nand_( Register a, Register s, Register b);
1486 inline void nor( Register a, Register s, Register b);
1487 inline void nor_( Register a, Register s, Register b);
1488 inline void andc( Register a, Register s, Register b);
1489 inline void andc_( Register a, Register s, Register b);
1490 inline void orc( Register a, Register s, Register b);
1491 inline void orc_( Register a, Register s, Register b);
1492 inline void extsb( Register a, Register s);
1493 inline void extsb_( Register a, Register s);
1494 inline void extsh( Register a, Register s);
1495 inline void extsh_( Register a, Register s);
1496 inline void extsw( Register a, Register s);
1497 inline void extsw_( Register a, Register s);
1498
1499 // extended mnemonics
1500 inline void nop();
1501 // NOP for FP and BR units (different versions to allow them to be in one group)
1502 inline void fpnop0();
1503 inline void fpnop1();
1504 inline void brnop0();
1505 inline void brnop1();
1506 inline void brnop2();
1507
1508 inline void mr( Register d, Register s);
1509 inline void ori_opt( Register d, int ui16);
1510 inline void oris_opt(Register d, int ui16);
1511
1512 // endgroup opcode for Power6
1513 inline void endgroup();
1514
1515 // count instructions
1516 inline void cntlzw( Register a, Register s);
1517 inline void cntlzw_( Register a, Register s);
1518 inline void cntlzd( Register a, Register s);
1519 inline void cntlzd_( Register a, Register s);
1520 inline void cnttzw( Register a, Register s);
1521 inline void cnttzw_( Register a, Register s);
1522 inline void cnttzd( Register a, Register s);
1523 inline void cnttzd_( Register a, Register s);
1524
1525 // PPC 1, section 3.3.12, Fixed-Point Rotate and Shift Instructions
1526 inline void sld( Register a, Register s, Register b);
1527 inline void sld_( Register a, Register s, Register b);
1528 inline void slw( Register a, Register s, Register b);
1529 inline void slw_( Register a, Register s, Register b);
1530 inline void srd( Register a, Register s, Register b);
1531 inline void srd_( Register a, Register s, Register b);
1532 inline void srw( Register a, Register s, Register b);
1533 inline void srw_( Register a, Register s, Register b);
1534 inline void srad( Register a, Register s, Register b);
1535 inline void srad_( Register a, Register s, Register b);
1536 inline void sraw( Register a, Register s, Register b);
1537 inline void sraw_( Register a, Register s, Register b);
1538 inline void sradi( Register a, Register s, int sh6);
1539 inline void sradi_( Register a, Register s, int sh6);
1540 inline void srawi( Register a, Register s, int sh5);
1541 inline void srawi_( Register a, Register s, int sh5);
1542
1543 // extended mnemonics for Shift Instructions
1544 inline void sldi( Register a, Register s, int sh6);
1545 inline void sldi_( Register a, Register s, int sh6);
1546 inline void slwi( Register a, Register s, int sh5);
1547 inline void slwi_( Register a, Register s, int sh5);
1548 inline void srdi( Register a, Register s, int sh6);
1549 inline void srdi_( Register a, Register s, int sh6);
1550 inline void srwi( Register a, Register s, int sh5);
1551 inline void srwi_( Register a, Register s, int sh5);
1552
1553 inline void clrrdi( Register a, Register s, int ui6);
1554 inline void clrrdi_( Register a, Register s, int ui6);
1555 inline void clrldi( Register a, Register s, int ui6);
1556 inline void clrldi_( Register a, Register s, int ui6);
1557 inline void clrlsldi(Register a, Register s, int clrl6, int shl6);
1558 inline void clrlsldi_(Register a, Register s, int clrl6, int shl6);
1559 inline void extrdi( Register a, Register s, int n, int b);
1560 // testbit with condition register
1561 inline void testbitdi(ConditionRegister cr, Register a, Register s, int ui6);
1562
1563 // rotate instructions
1564 inline void rotldi( Register a, Register s, int n);
1565 inline void rotrdi( Register a, Register s, int n);
1566 inline void rotlwi( Register a, Register s, int n);
1567 inline void rotrwi( Register a, Register s, int n);
1568
1569 // Rotate Instructions
1570 inline void rldic( Register a, Register s, int sh6, int mb6);
1571 inline void rldic_( Register a, Register s, int sh6, int mb6);
1572 inline void rldicr( Register a, Register s, int sh6, int mb6);
1573 inline void rldicr_( Register a, Register s, int sh6, int mb6);
1574 inline void rldicl( Register a, Register s, int sh6, int mb6);
1575 inline void rldicl_( Register a, Register s, int sh6, int mb6);
1576 inline void rlwinm( Register a, Register s, int sh5, int mb5, int me5);
1577 inline void rlwinm_( Register a, Register s, int sh5, int mb5, int me5);
1578 inline void rldimi( Register a, Register s, int sh6, int mb6);
1579 inline void rldimi_( Register a, Register s, int sh6, int mb6);
1580 inline void rlwimi( Register a, Register s, int sh5, int mb5, int me5);
1581 inline void insrdi( Register a, Register s, int n, int b);
1582 inline void insrwi( Register a, Register s, int n, int b);
1583
1584 // PPC 1, section 3.3.2 Fixed-Point Load Instructions
1585 // 4 bytes
1586 inline void lwzx( Register d, Register s1, Register s2);
1587 inline void lwz( Register d, int si16, Register s1);
1588 inline void lwzu( Register d, int si16, Register s1);
1589
1590 // 4 bytes
1591 inline void lwax( Register d, Register s1, Register s2);
1592 inline void lwa( Register d, int si16, Register s1);
1593
1594 // 4 bytes reversed
1595 inline void lwbrx( Register d, Register s1, Register s2);
1596
1597 // 2 bytes
1598 inline void lhzx( Register d, Register s1, Register s2);
1599 inline void lhz( Register d, int si16, Register s1);
1600 inline void lhzu( Register d, int si16, Register s1);
1601
1602 // 2 bytes reversed
1603 inline void lhbrx( Register d, Register s1, Register s2);
1604
1605 // 2 bytes
1606 inline void lhax( Register d, Register s1, Register s2);
1607 inline void lha( Register d, int si16, Register s1);
1608 inline void lhau( Register d, int si16, Register s1);
1609
1610 // 1 byte
1611 inline void lbzx( Register d, Register s1, Register s2);
1612 inline void lbz( Register d, int si16, Register s1);
1613 inline void lbzu( Register d, int si16, Register s1);
1614
1615 // 8 bytes
1616 inline void ldx( Register d, Register s1, Register s2);
1617 inline void ld( Register d, int si16, Register s1);
1618 inline void ldu( Register d, int si16, Register s1);
1619
1620 // 8 bytes reversed
1621 inline void ldbrx( Register d, Register s1, Register s2);
1622
1623 // For convenience. Load pointer into d from b+s1.
1624 inline void ld_ptr(Register d, int b, Register s1);
1625 DEBUG_ONLY(inline void ld_ptr(Register d, ByteSize b, Register s1);)
1626
1627 // PPC 1, section 3.3.3 Fixed-Point Store Instructions
1628 inline void stwx( Register d, Register s1, Register s2);
1629 inline void stw( Register d, int si16, Register s1);
1630 inline void stwu( Register d, int si16, Register s1);
1631 inline void stwbrx( Register d, Register s1, Register s2);
1632
1633 inline void sthx( Register d, Register s1, Register s2);
1634 inline void sth( Register d, int si16, Register s1);
1635 inline void sthu( Register d, int si16, Register s1);
1636 inline void sthbrx( Register d, Register s1, Register s2);
1637
1638 inline void stbx( Register d, Register s1, Register s2);
1639 inline void stb( Register d, int si16, Register s1);
1640 inline void stbu( Register d, int si16, Register s1);
1641
1642 inline void stdx( Register d, Register s1, Register s2);
1643 inline void std( Register d, int si16, Register s1);
1644 inline void stdu( Register d, int si16, Register s1);
1645 inline void stdux(Register s, Register a, Register b);
1646 inline void stdbrx( Register d, Register s1, Register s2);
1647
1648 inline void st_ptr(Register d, int si16, Register s1);
1649 DEBUG_ONLY(inline void st_ptr(Register d, ByteSize b, Register s1);)
1650
1651 // PPC 1, section 3.3.13 Move To/From System Register Instructions
1652 inline void mtlr( Register s1);
1653 inline void mflr( Register d);
1654 inline void mtctr(Register s1);
1655 inline void mfctr(Register d);
1656 inline void mtcrf(int fxm, Register s);
1657 inline void mfcr( Register d);
1658 inline void mcrf( ConditionRegister crd, ConditionRegister cra);
1659 inline void mtcr( Register s);
1660 // >= Power9
1661 inline void setb( Register d, ConditionRegister cra);
1662
1663 // Special purpose registers
1664 // Exception Register
1665 inline void mtxer(Register s1);
1666 inline void mfxer(Register d);
1667 // Vector Register Save Register
1668 inline void mtvrsave(Register s1);
1669 inline void mfvrsave(Register d);
1670 // Timebase
1671 inline void mftb(Register d);
1672 // Introduced with Power 8:
1673 // Data Stream Control Register
1674 inline void mtdscr(Register s1);
1675 inline void mfdscr(Register d );
1676 // Transactional Memory Registers
1677 inline void mftfhar(Register d);
1678 inline void mftfiar(Register d);
1679 inline void mftexasr(Register d);
1680 inline void mftexasru(Register d);
1681
1682 // TEXASR bit description
1683 enum transaction_failure_reason {
1684 // Upper half (TEXASRU):
1685 tm_failure_code = 0, // The Failure Code is copied from tabort or treclaim operand.
1686 tm_failure_persistent = 7, // The failure is likely to recur on each execution.
1687 tm_disallowed = 8, // The instruction is not permitted.
1688 tm_nesting_of = 9, // The maximum transaction level was exceeded.
1689 tm_footprint_of = 10, // The tracking limit for transactional storage accesses was exceeded.
1690 tm_self_induced_cf = 11, // A self-induced conflict occurred in Suspended state.
1691 tm_non_trans_cf = 12, // A conflict occurred with a non-transactional access by another processor.
1692 tm_trans_cf = 13, // A conflict occurred with another transaction.
1693 tm_translation_cf = 14, // A conflict occurred with a TLB invalidation.
1694 tm_inst_fetch_cf = 16, // An instruction fetch was performed from a block that was previously written transactionally.
1695 tm_tabort = 31, // Termination was caused by the execution of an abort instruction.
1696 // Lower half:
1697 tm_suspended = 32, // Failure was recorded in Suspended state.
1698 tm_failure_summary = 36, // Failure has been detected and recorded.
1699 tm_tfiar_exact = 37, // Value in the TFIAR is exact.
1700 tm_rot = 38, // Rollback-only transaction.
1701 tm_transaction_level = 52, // Transaction level (nesting depth + 1).
1702 };
1703
1704 // PPC 1, section 2.4.1 Branch Instructions
1705 inline void b( address a, relocInfo::relocType rt = relocInfo::none);
1706 inline void b( Label& L);
1707 inline void bl( address a, relocInfo::relocType rt = relocInfo::none);
1708 inline void bl( Label& L);
1709 inline void bc( int boint, int biint, address a, relocInfo::relocType rt = relocInfo::none);
1710 inline void bc( int boint, int biint, Label& L);
1711 inline void bcl(int boint, int biint, address a, relocInfo::relocType rt = relocInfo::none);
1712 inline void bcl(int boint, int biint, Label& L);
1713
1714 inline void bclr( int boint, int biint, int bhint, relocInfo::relocType rt = relocInfo::none);
1715 inline void bclrl( int boint, int biint, int bhint, relocInfo::relocType rt = relocInfo::none);
1716 inline void bcctr( int boint, int biint, int bhint = bhintbhBCCTRisNotReturnButSame,
1717 relocInfo::relocType rt = relocInfo::none);
1718 inline void bcctrl(int boint, int biint, int bhint = bhintbhBCLRisReturn,
1719 relocInfo::relocType rt = relocInfo::none);
1720
1721 // helper function for b, bcxx
1722 inline bool is_within_range_of_b(address a, address pc);
1723 inline bool is_within_range_of_bcxx(address a, address pc);
1724
1725 // get the destination of a bxx branch (b, bl, ba, bla)
1726 static inline address bxx_destination(address baddr);
1727 static inline address bxx_destination(int instr, address pc);
1728 static inline intptr_t bxx_destination_offset(int instr, intptr_t bxx_pos);
1729
1730 // extended mnemonics for branch instructions
1731 inline void blt(ConditionRegister crx, Label& L);
1732 inline void bgt(ConditionRegister crx, Label& L);
1733 inline void beq(ConditionRegister crx, Label& L);
1734 inline void bso(ConditionRegister crx, Label& L);
1735 inline void bge(ConditionRegister crx, Label& L);
1736 inline void ble(ConditionRegister crx, Label& L);
1737 inline void bne(ConditionRegister crx, Label& L);
1738 inline void bns(ConditionRegister crx, Label& L);
1739
1740 // Branch instructions with static prediction hints.
1741 inline void blt_predict_taken( ConditionRegister crx, Label& L);
1742 inline void bgt_predict_taken( ConditionRegister crx, Label& L);
1743 inline void beq_predict_taken( ConditionRegister crx, Label& L);
1744 inline void bso_predict_taken( ConditionRegister crx, Label& L);
1745 inline void bge_predict_taken( ConditionRegister crx, Label& L);
1746 inline void ble_predict_taken( ConditionRegister crx, Label& L);
1747 inline void bne_predict_taken( ConditionRegister crx, Label& L);
1748 inline void bns_predict_taken( ConditionRegister crx, Label& L);
1749 inline void blt_predict_not_taken(ConditionRegister crx, Label& L);
1750 inline void bgt_predict_not_taken(ConditionRegister crx, Label& L);
1751 inline void beq_predict_not_taken(ConditionRegister crx, Label& L);
1752 inline void bso_predict_not_taken(ConditionRegister crx, Label& L);
1753 inline void bge_predict_not_taken(ConditionRegister crx, Label& L);
1754 inline void ble_predict_not_taken(ConditionRegister crx, Label& L);
1755 inline void bne_predict_not_taken(ConditionRegister crx, Label& L);
1756 inline void bns_predict_not_taken(ConditionRegister crx, Label& L);
1757
1758 // for use in conjunction with testbitdi:
1759 inline void btrue( ConditionRegister crx, Label& L);
1760 inline void bfalse(ConditionRegister crx, Label& L);
1761
1762 inline void bltl(ConditionRegister crx, Label& L);
1763 inline void bgtl(ConditionRegister crx, Label& L);
1764 inline void beql(ConditionRegister crx, Label& L);
1765 inline void bsol(ConditionRegister crx, Label& L);
1766 inline void bgel(ConditionRegister crx, Label& L);
1767 inline void blel(ConditionRegister crx, Label& L);
1768 inline void bnel(ConditionRegister crx, Label& L);
1769 inline void bnsl(ConditionRegister crx, Label& L);
1770
1771 // extended mnemonics for Branch Instructions via LR
1772 // We use `blr' for returns.
1773 inline void blr(relocInfo::relocType rt = relocInfo::none);
1774
1775 // extended mnemonics for Branch Instructions with CTR
1776 // bdnz means `decrement CTR and jump to L if CTR is not zero'
1777 inline void bdnz(Label& L);
1778 // Decrement and branch if result is zero.
1779 inline void bdz(Label& L);
1780 // we use `bctr[l]' for jumps/calls in function descriptor glue
1781 // code, e.g. calls to runtime functions
1782 inline void bctr( relocInfo::relocType rt = relocInfo::none);
1783 inline void bctrl(relocInfo::relocType rt = relocInfo::none);
1784 // conditional jumps/branches via CTR
1785 inline void beqctr( ConditionRegister crx, relocInfo::relocType rt = relocInfo::none);
1786 inline void beqctrl(ConditionRegister crx, relocInfo::relocType rt = relocInfo::none);
1787 inline void bnectr( ConditionRegister crx, relocInfo::relocType rt = relocInfo::none);
1788 inline void bnectrl(ConditionRegister crx, relocInfo::relocType rt = relocInfo::none);
1789
1790 // condition register logic instructions
1791 // NOTE: There's a preferred form: d and s2 should point into the same condition register.
1792 inline void crand( int d, int s1, int s2);
1793 inline void crnand(int d, int s1, int s2);
1794 inline void cror( int d, int s1, int s2);
1795 inline void crxor( int d, int s1, int s2);
1796 inline void crnor( int d, int s1, int s2);
1797 inline void creqv( int d, int s1, int s2);
1798 inline void crandc(int d, int s1, int s2);
1799 inline void crorc( int d, int s1, int s2);
1800
1801 // More convenient version.
1802 int condition_register_bit(ConditionRegister cr, Condition c) {
1803 return 4 * (int)(intptr_t)cr + c;
1804 }
1805 void crand( ConditionRegister crdst, Condition cdst, ConditionRegister crsrc, Condition csrc);
1806 void crnand(ConditionRegister crdst, Condition cdst, ConditionRegister crsrc, Condition csrc);
1807 void cror( ConditionRegister crdst, Condition cdst, ConditionRegister crsrc, Condition csrc);
1808 void crxor( ConditionRegister crdst, Condition cdst, ConditionRegister crsrc, Condition csrc);
1809 void crnor( ConditionRegister crdst, Condition cdst, ConditionRegister crsrc, Condition csrc);
1810 void creqv( ConditionRegister crdst, Condition cdst, ConditionRegister crsrc, Condition csrc);
1811 void crandc(ConditionRegister crdst, Condition cdst, ConditionRegister crsrc, Condition csrc);
1812 void crorc( ConditionRegister crdst, Condition cdst, ConditionRegister crsrc, Condition csrc);
1813
1814 // icache and dcache related instructions
1815 inline void icbi( Register s1, Register s2);
1816 //inline void dcba(Register s1, Register s2); // Instruction for embedded processor only.
1817 inline void dcbz( Register s1, Register s2);
1818 inline void dcbst( Register s1, Register s2);
1819 inline void dcbf( Register s1, Register s2);
1820
1821 enum ct_cache_specification {
1822 ct_primary_cache = 0,
1823 ct_secondary_cache = 2
1824 };
1825 // dcache read hint
1826 inline void dcbt( Register s1, Register s2);
1827 inline void dcbtct( Register s1, Register s2, int ct);
1828 inline void dcbtds( Register s1, Register s2, int ds);
1829 // dcache write hint
1830 inline void dcbtst( Register s1, Register s2);
1831 inline void dcbtstct(Register s1, Register s2, int ct);
1832
1833 // machine barrier instructions:
1834 //
1835 // - sync two-way memory barrier, aka fence
1836 // - lwsync orders Store|Store,
1837 // Load|Store,
1838 // Load|Load,
1839 // but not Store|Load
1840 // - eieio orders memory accesses for device memory (only)
1841 // - isync invalidates speculatively executed instructions
1842 // From the Power ISA 2.06 documentation:
1843 // "[...] an isync instruction prevents the execution of
1844 // instructions following the isync until instructions
1845 // preceding the isync have completed, [...]"
1846 // From IBM's AIX assembler reference:
1847 // "The isync [...] instructions causes the processor to
1848 // refetch any instructions that might have been fetched
1849 // prior to the isync instruction. The instruction isync
1850 // causes the processor to wait for all previous instructions
1851 // to complete. Then any instructions already fetched are
1852 // discarded and instruction processing continues in the
1853 // environment established by the previous instructions."
1854 //
1855 // semantic barrier instructions:
1856 // (as defined in orderAccess.hpp)
1857 //
1858 // - release orders Store|Store, (maps to lwsync)
1859 // Load|Store
1860 // - acquire orders Load|Store, (maps to lwsync)
1861 // Load|Load
1862 // - fence orders Store|Store, (maps to sync)
1863 // Load|Store,
1864 // Load|Load,
1865 // Store|Load
1866 //
1867 private:
1868 inline void sync(int l);
1869 public:
1870 inline void sync();
1871 inline void lwsync();
1872 inline void ptesync();
1873 inline void eieio();
1874 inline void isync();
1875 inline void elemental_membar(int e); // Elemental Memory Barriers (>=Power 8)
1876
1877 // Wait instructions for polling. Attention: May result in SIGILL.
1878 inline void wait();
1879 inline void waitrsv(); // >=Power7
1880
1881 // atomics
1882 inline void lbarx_unchecked(Register d, Register a, Register b, int eh1 = 0); // >=Power 8
1883 inline void lharx_unchecked(Register d, Register a, Register b, int eh1 = 0); // >=Power 8
1884 inline void lwarx_unchecked(Register d, Register a, Register b, int eh1 = 0);
1885 inline void ldarx_unchecked(Register d, Register a, Register b, int eh1 = 0);
1886 inline void lqarx_unchecked(Register d, Register a, Register b, int eh1 = 0); // >=Power 8
1887 inline bool lxarx_hint_exclusive_access();
1888 inline void lbarx( Register d, Register a, Register b, bool hint_exclusive_access = false);
1889 inline void lharx( Register d, Register a, Register b, bool hint_exclusive_access = false);
1890 inline void lwarx( Register d, Register a, Register b, bool hint_exclusive_access = false);
1891 inline void ldarx( Register d, Register a, Register b, bool hint_exclusive_access = false);
1892 inline void lqarx( Register d, Register a, Register b, bool hint_exclusive_access = false);
1893 inline void stbcx_( Register s, Register a, Register b);
1894 inline void sthcx_( Register s, Register a, Register b);
1895 inline void stwcx_( Register s, Register a, Register b);
1896 inline void stdcx_( Register s, Register a, Register b);
1897 inline void stqcx_( Register s, Register a, Register b);
1898
1899 // Instructions for adjusting thread priority for simultaneous
1900 // multithreading (SMT) on Power5.
1901 private:
1902 inline void smt_prio_very_low();
1903 inline void smt_prio_medium_high();
1904 inline void smt_prio_high();
1905
1906 public:
1907 inline void smt_prio_low();
1908 inline void smt_prio_medium_low();
1909 inline void smt_prio_medium();
1910 // >= Power7
1911 inline void smt_yield();
1912 inline void smt_mdoio();
1913 inline void smt_mdoom();
1914 // >= Power8
1915 inline void smt_miso();
1916
1917 // trap instructions
1918 inline void twi_0(Register a); // for load with acquire semantics use load+twi_0+isync (trap can't occur)
1919 // NOT FOR DIRECT USE!!
1920 protected:
1921 inline void tdi_unchecked(int tobits, Register a, int si16);
1922 inline void twi_unchecked(int tobits, Register a, int si16);
1923 inline void tdi( int tobits, Register a, int si16); // asserts UseSIGTRAP
1924 inline void twi( int tobits, Register a, int si16); // asserts UseSIGTRAP
1925 inline void td( int tobits, Register a, Register b); // asserts UseSIGTRAP
1926 inline void tw( int tobits, Register a, Register b); // asserts UseSIGTRAP
1927
1928 static bool is_tdi(int x, int tobits, int ra, int si16) {
1929 return (TDI_OPCODE == (x & TDI_OPCODE_MASK))
1930 && (tobits == inv_to_field(x))
1931 && (ra == -1/*any reg*/ || ra == inv_ra_field(x))
1932 && (si16 == inv_si_field(x));
1933 }
1934
1935 static bool is_twi(int x, int tobits, int ra, int si16) {
1936 return (TWI_OPCODE == (x & TWI_OPCODE_MASK))
1937 && (tobits == inv_to_field(x))
1938 && (ra == -1/*any reg*/ || ra == inv_ra_field(x))
1939 && (si16 == inv_si_field(x));
1940 }
1941
1942 static bool is_twi(int x, int tobits, int ra) {
1943 return (TWI_OPCODE == (x & TWI_OPCODE_MASK))
1944 && (tobits == inv_to_field(x))
1945 && (ra == -1/*any reg*/ || ra == inv_ra_field(x));
1946 }
1947
1948 static bool is_td(int x, int tobits, int ra, int rb) {
1949 return (TD_OPCODE == (x & TD_OPCODE_MASK))
1950 && (tobits == inv_to_field(x))
1951 && (ra == -1/*any reg*/ || ra == inv_ra_field(x))
1952 && (rb == -1/*any reg*/ || rb == inv_rb_field(x));
1953 }
1954
1955 static bool is_tw(int x, int tobits, int ra, int rb) {
1956 return (TW_OPCODE == (x & TW_OPCODE_MASK))
1957 && (tobits == inv_to_field(x))
1958 && (ra == -1/*any reg*/ || ra == inv_ra_field(x))
1959 && (rb == -1/*any reg*/ || rb == inv_rb_field(x));
1960 }
1961
1962 public:
1963 // PPC floating point instructions
1964 // PPC 1, section 4.6.2 Floating-Point Load Instructions
1965 inline void lfs( FloatRegister d, int si16, Register a);
1966 inline void lfsu( FloatRegister d, int si16, Register a);
1967 inline void lfsx( FloatRegister d, Register a, Register b);
1968 inline void lfd( FloatRegister d, int si16, Register a);
1969 inline void lfdu( FloatRegister d, int si16, Register a);
1970 inline void lfdx( FloatRegister d, Register a, Register b);
1971
1972 // PPC 1, section 4.6.3 Floating-Point Store Instructions
1973 inline void stfs( FloatRegister s, int si16, Register a);
1974 inline void stfsu( FloatRegister s, int si16, Register a);
1975 inline void stfsx( FloatRegister s, Register a, Register b);
1976 inline void stfd( FloatRegister s, int si16, Register a);
1977 inline void stfdu( FloatRegister s, int si16, Register a);
1978 inline void stfdx( FloatRegister s, Register a, Register b);
1979
1980 // PPC 1, section 4.6.4 Floating-Point Move Instructions
1981 inline void fmr( FloatRegister d, FloatRegister b);
1982 inline void fmr_( FloatRegister d, FloatRegister b);
1983
1984 // inline void mffgpr( FloatRegister d, Register b);
1985 // inline void mftgpr( Register d, FloatRegister b);
1986 inline void cmpb( Register a, Register s, Register b);
1987 inline void popcntb(Register a, Register s);
1988 inline void popcntw(Register a, Register s);
1989 inline void popcntd(Register a, Register s);
1990
1991 inline void fneg( FloatRegister d, FloatRegister b);
1992 inline void fneg_( FloatRegister d, FloatRegister b);
1993 inline void fabs( FloatRegister d, FloatRegister b);
1994 inline void fabs_( FloatRegister d, FloatRegister b);
1995 inline void fnabs( FloatRegister d, FloatRegister b);
1996 inline void fnabs_(FloatRegister d, FloatRegister b);
1997
1998 // PPC 1, section 4.6.5.1 Floating-Point Elementary Arithmetic Instructions
1999 inline void fadd( FloatRegister d, FloatRegister a, FloatRegister b);
2000 inline void fadd_( FloatRegister d, FloatRegister a, FloatRegister b);
2001 inline void fadds( FloatRegister d, FloatRegister a, FloatRegister b);
2002 inline void fadds_(FloatRegister d, FloatRegister a, FloatRegister b);
2003 inline void fsub( FloatRegister d, FloatRegister a, FloatRegister b);
2004 inline void fsub_( FloatRegister d, FloatRegister a, FloatRegister b);
2005 inline void fsubs( FloatRegister d, FloatRegister a, FloatRegister b);
2006 inline void fsubs_(FloatRegister d, FloatRegister a, FloatRegister b);
2007 inline void fmul( FloatRegister d, FloatRegister a, FloatRegister c);
2008 inline void fmul_( FloatRegister d, FloatRegister a, FloatRegister c);
2009 inline void fmuls( FloatRegister d, FloatRegister a, FloatRegister c);
2010 inline void fmuls_(FloatRegister d, FloatRegister a, FloatRegister c);
2011 inline void fdiv( FloatRegister d, FloatRegister a, FloatRegister b);
2012 inline void fdiv_( FloatRegister d, FloatRegister a, FloatRegister b);
2013 inline void fdivs( FloatRegister d, FloatRegister a, FloatRegister b);
2014 inline void fdivs_(FloatRegister d, FloatRegister a, FloatRegister b);
2015
2016 // Fused multiply-accumulate instructions.
2017 // WARNING: Use only when rounding between the 2 parts is not desired.
2018 // Some floating point tck tests will fail if used incorrectly.
2019 inline void fmadd( FloatRegister d, FloatRegister a, FloatRegister c, FloatRegister b);
2020 inline void fmadd_( FloatRegister d, FloatRegister a, FloatRegister c, FloatRegister b);
2021 inline void fmadds( FloatRegister d, FloatRegister a, FloatRegister c, FloatRegister b);
2022 inline void fmadds_( FloatRegister d, FloatRegister a, FloatRegister c, FloatRegister b);
2023 inline void fmsub( FloatRegister d, FloatRegister a, FloatRegister c, FloatRegister b);
2024 inline void fmsub_( FloatRegister d, FloatRegister a, FloatRegister c, FloatRegister b);
2025 inline void fmsubs( FloatRegister d, FloatRegister a, FloatRegister c, FloatRegister b);
2026 inline void fmsubs_( FloatRegister d, FloatRegister a, FloatRegister c, FloatRegister b);
2027 inline void fnmadd( FloatRegister d, FloatRegister a, FloatRegister c, FloatRegister b);
2028 inline void fnmadd_( FloatRegister d, FloatRegister a, FloatRegister c, FloatRegister b);
2029 inline void fnmadds( FloatRegister d, FloatRegister a, FloatRegister c, FloatRegister b);
2030 inline void fnmadds_(FloatRegister d, FloatRegister a, FloatRegister c, FloatRegister b);
2031 inline void fnmsub( FloatRegister d, FloatRegister a, FloatRegister c, FloatRegister b);
2032 inline void fnmsub_( FloatRegister d, FloatRegister a, FloatRegister c, FloatRegister b);
2033 inline void fnmsubs( FloatRegister d, FloatRegister a, FloatRegister c, FloatRegister b);
2034 inline void fnmsubs_(FloatRegister d, FloatRegister a, FloatRegister c, FloatRegister b);
2035
2036 // PPC 1, section 4.6.6 Floating-Point Rounding and Conversion Instructions
2037 inline void frsp( FloatRegister d, FloatRegister b);
2038 inline void fctid( FloatRegister d, FloatRegister b);
2039 inline void fctidz(FloatRegister d, FloatRegister b);
2040 inline void fctiw( FloatRegister d, FloatRegister b);
2041 inline void fctiwz(FloatRegister d, FloatRegister b);
2042 inline void fcfid( FloatRegister d, FloatRegister b);
2043 inline void fcfids(FloatRegister d, FloatRegister b);
2044
2045 // PPC 1, section 4.6.7 Floating-Point Compare Instructions
2046 inline void fcmpu( ConditionRegister crx, FloatRegister a, FloatRegister b);
2047
2048 inline void fsqrt( FloatRegister d, FloatRegister b);
2049 inline void fsqrts(FloatRegister d, FloatRegister b);
2050
2051 // Vector instructions for >= Power6.
2052 inline void lvebx( VectorRegister d, Register s1, Register s2);
2053 inline void lvehx( VectorRegister d, Register s1, Register s2);
2054 inline void lvewx( VectorRegister d, Register s1, Register s2);
2055 inline void lvx( VectorRegister d, Register s1, Register s2);
2056 inline void lvxl( VectorRegister d, Register s1, Register s2);
2057 inline void stvebx( VectorRegister d, Register s1, Register s2);
2058 inline void stvehx( VectorRegister d, Register s1, Register s2);
2059 inline void stvewx( VectorRegister d, Register s1, Register s2);
2060 inline void stvx( VectorRegister d, Register s1, Register s2);
2061 inline void stvxl( VectorRegister d, Register s1, Register s2);
2062 inline void lvsl( VectorRegister d, Register s1, Register s2);
2063 inline void lvsr( VectorRegister d, Register s1, Register s2);
2064 inline void vpkpx( VectorRegister d, VectorRegister a, VectorRegister b);
2065 inline void vpkshss( VectorRegister d, VectorRegister a, VectorRegister b);
2066 inline void vpkswss( VectorRegister d, VectorRegister a, VectorRegister b);
2067 inline void vpkshus( VectorRegister d, VectorRegister a, VectorRegister b);
2068 inline void vpkswus( VectorRegister d, VectorRegister a, VectorRegister b);
2069 inline void vpkuhum( VectorRegister d, VectorRegister a, VectorRegister b);
2070 inline void vpkuwum( VectorRegister d, VectorRegister a, VectorRegister b);
2071 inline void vpkuhus( VectorRegister d, VectorRegister a, VectorRegister b);
2072 inline void vpkuwus( VectorRegister d, VectorRegister a, VectorRegister b);
2073 inline void vupkhpx( VectorRegister d, VectorRegister b);
2074 inline void vupkhsb( VectorRegister d, VectorRegister b);
2075 inline void vupkhsh( VectorRegister d, VectorRegister b);
2076 inline void vupklpx( VectorRegister d, VectorRegister b);
2077 inline void vupklsb( VectorRegister d, VectorRegister b);
2078 inline void vupklsh( VectorRegister d, VectorRegister b);
2079 inline void vmrghb( VectorRegister d, VectorRegister a, VectorRegister b);
2080 inline void vmrghw( VectorRegister d, VectorRegister a, VectorRegister b);
2081 inline void vmrghh( VectorRegister d, VectorRegister a, VectorRegister b);
2082 inline void vmrglb( VectorRegister d, VectorRegister a, VectorRegister b);
2083 inline void vmrglw( VectorRegister d, VectorRegister a, VectorRegister b);
2084 inline void vmrglh( VectorRegister d, VectorRegister a, VectorRegister b);
2085 inline void vsplt( VectorRegister d, int ui4, VectorRegister b);
2086 inline void vsplth( VectorRegister d, int ui3, VectorRegister b);
2087 inline void vspltw( VectorRegister d, int ui2, VectorRegister b);
2088 inline void vspltisb( VectorRegister d, int si5);
2089 inline void vspltish( VectorRegister d, int si5);
2090 inline void vspltisw( VectorRegister d, int si5);
2091 inline void vperm( VectorRegister d, VectorRegister a, VectorRegister b, VectorRegister c);
2092 inline void vsel( VectorRegister d, VectorRegister a, VectorRegister b, VectorRegister c);
2093 inline void vsl( VectorRegister d, VectorRegister a, VectorRegister b);
2094 inline void vsldoi( VectorRegister d, VectorRegister a, VectorRegister b, int ui4);
2095 inline void vslo( VectorRegister d, VectorRegister a, VectorRegister b);
2096 inline void vsr( VectorRegister d, VectorRegister a, VectorRegister b);
2097 inline void vsro( VectorRegister d, VectorRegister a, VectorRegister b);
2098 inline void vaddcuw( VectorRegister d, VectorRegister a, VectorRegister b);
2099 inline void vaddshs( VectorRegister d, VectorRegister a, VectorRegister b);
2100 inline void vaddsbs( VectorRegister d, VectorRegister a, VectorRegister b);
2101 inline void vaddsws( VectorRegister d, VectorRegister a, VectorRegister b);
2102 inline void vaddubm( VectorRegister d, VectorRegister a, VectorRegister b);
2103 inline void vadduwm( VectorRegister d, VectorRegister a, VectorRegister b);
2104 inline void vadduhm( VectorRegister d, VectorRegister a, VectorRegister b);
2105 inline void vaddudm( VectorRegister d, VectorRegister a, VectorRegister b);
2106 inline void vaddubs( VectorRegister d, VectorRegister a, VectorRegister b);
2107 inline void vadduws( VectorRegister d, VectorRegister a, VectorRegister b);
2108 inline void vadduhs( VectorRegister d, VectorRegister a, VectorRegister b);
2109 inline void vaddfp( VectorRegister d, VectorRegister a, VectorRegister b);
2110 inline void vsubcuw( VectorRegister d, VectorRegister a, VectorRegister b);
2111 inline void vsubshs( VectorRegister d, VectorRegister a, VectorRegister b);
2112 inline void vsubsbs( VectorRegister d, VectorRegister a, VectorRegister b);
2113 inline void vsubsws( VectorRegister d, VectorRegister a, VectorRegister b);
2114 inline void vsububm( VectorRegister d, VectorRegister a, VectorRegister b);
2115 inline void vsubuwm( VectorRegister d, VectorRegister a, VectorRegister b);
2116 inline void vsubuhm( VectorRegister d, VectorRegister a, VectorRegister b);
2117 inline void vsubudm( VectorRegister d, VectorRegister a, VectorRegister b);
2118 inline void vsububs( VectorRegister d, VectorRegister a, VectorRegister b);
2119 inline void vsubuws( VectorRegister d, VectorRegister a, VectorRegister b);
2120 inline void vsubuhs( VectorRegister d, VectorRegister a, VectorRegister b);
2121 inline void vsubfp( VectorRegister d, VectorRegister a, VectorRegister b);
2122 inline void vmulesb( VectorRegister d, VectorRegister a, VectorRegister b);
2123 inline void vmuleub( VectorRegister d, VectorRegister a, VectorRegister b);
2124 inline void vmulesh( VectorRegister d, VectorRegister a, VectorRegister b);
2125 inline void vmuleuh( VectorRegister d, VectorRegister a, VectorRegister b);
2126 inline void vmulosb( VectorRegister d, VectorRegister a, VectorRegister b);
2127 inline void vmuloub( VectorRegister d, VectorRegister a, VectorRegister b);
2128 inline void vmulosh( VectorRegister d, VectorRegister a, VectorRegister b);
2129 inline void vmulosw( VectorRegister d, VectorRegister a, VectorRegister b);
2130 inline void vmulouh( VectorRegister d, VectorRegister a, VectorRegister b);
2131 inline void vmuluwm( VectorRegister d, VectorRegister a, VectorRegister b);
2132 inline void vmhaddshs(VectorRegister d, VectorRegister a, VectorRegister b, VectorRegister c);
2133 inline void vmhraddshs(VectorRegister d,VectorRegister a, VectorRegister b, VectorRegister c);
2134 inline void vmladduhm(VectorRegister d, VectorRegister a, VectorRegister b, VectorRegister c);
2135 inline void vmsubuhm( VectorRegister d, VectorRegister a, VectorRegister b, VectorRegister c);
2136 inline void vmsummbm( VectorRegister d, VectorRegister a, VectorRegister b, VectorRegister c);
2137 inline void vmsumshm( VectorRegister d, VectorRegister a, VectorRegister b, VectorRegister c);
2138 inline void vmsumshs( VectorRegister d, VectorRegister a, VectorRegister b, VectorRegister c);
2139 inline void vmsumuhm( VectorRegister d, VectorRegister a, VectorRegister b, VectorRegister c);
2140 inline void vmsumuhs( VectorRegister d, VectorRegister a, VectorRegister b, VectorRegister c);
2141 inline void vmaddfp( VectorRegister d, VectorRegister a, VectorRegister b, VectorRegister c);
2142 inline void vsumsws( VectorRegister d, VectorRegister a, VectorRegister b);
2143 inline void vsum2sws( VectorRegister d, VectorRegister a, VectorRegister b);
2144 inline void vsum4sbs( VectorRegister d, VectorRegister a, VectorRegister b);
2145 inline void vsum4ubs( VectorRegister d, VectorRegister a, VectorRegister b);
2146 inline void vsum4shs( VectorRegister d, VectorRegister a, VectorRegister b);
2147 inline void vavgsb( VectorRegister d, VectorRegister a, VectorRegister b);
2148 inline void vavgsw( VectorRegister d, VectorRegister a, VectorRegister b);
2149 inline void vavgsh( VectorRegister d, VectorRegister a, VectorRegister b);
2150 inline void vavgub( VectorRegister d, VectorRegister a, VectorRegister b);
2151 inline void vavguw( VectorRegister d, VectorRegister a, VectorRegister b);
2152 inline void vavguh( VectorRegister d, VectorRegister a, VectorRegister b);
2153 inline void vmaxsb( VectorRegister d, VectorRegister a, VectorRegister b);
2154 inline void vmaxsw( VectorRegister d, VectorRegister a, VectorRegister b);
2155 inline void vmaxsh( VectorRegister d, VectorRegister a, VectorRegister b);
2156 inline void vmaxub( VectorRegister d, VectorRegister a, VectorRegister b);
2157 inline void vmaxuw( VectorRegister d, VectorRegister a, VectorRegister b);
2158 inline void vmaxuh( VectorRegister d, VectorRegister a, VectorRegister b);
2159 inline void vminsb( VectorRegister d, VectorRegister a, VectorRegister b);
2160 inline void vminsw( VectorRegister d, VectorRegister a, VectorRegister b);
2161 inline void vminsh( VectorRegister d, VectorRegister a, VectorRegister b);
2162 inline void vminub( VectorRegister d, VectorRegister a, VectorRegister b);
2163 inline void vminuw( VectorRegister d, VectorRegister a, VectorRegister b);
2164 inline void vminuh( VectorRegister d, VectorRegister a, VectorRegister b);
2165 inline void vcmpequb( VectorRegister d, VectorRegister a, VectorRegister b);
2166 inline void vcmpequh( VectorRegister d, VectorRegister a, VectorRegister b);
2167 inline void vcmpequw( VectorRegister d, VectorRegister a, VectorRegister b);
2168 inline void vcmpgtsh( VectorRegister d, VectorRegister a, VectorRegister b);
2169 inline void vcmpgtsb( VectorRegister d, VectorRegister a, VectorRegister b);
2170 inline void vcmpgtsw( VectorRegister d, VectorRegister a, VectorRegister b);
2171 inline void vcmpgtub( VectorRegister d, VectorRegister a, VectorRegister b);
2172 inline void vcmpgtuh( VectorRegister d, VectorRegister a, VectorRegister b);
2173 inline void vcmpgtuw( VectorRegister d, VectorRegister a, VectorRegister b);
2174 inline void vcmpequb_(VectorRegister d, VectorRegister a, VectorRegister b);
2175 inline void vcmpequh_(VectorRegister d, VectorRegister a, VectorRegister b);
2176 inline void vcmpequw_(VectorRegister d, VectorRegister a, VectorRegister b);
2177 inline void vcmpgtsh_(VectorRegister d, VectorRegister a, VectorRegister b);
2178 inline void vcmpgtsb_(VectorRegister d, VectorRegister a, VectorRegister b);
2179 inline void vcmpgtsw_(VectorRegister d, VectorRegister a, VectorRegister b);
2180 inline void vcmpgtub_(VectorRegister d, VectorRegister a, VectorRegister b);
2181 inline void vcmpgtuh_(VectorRegister d, VectorRegister a, VectorRegister b);
2182 inline void vcmpgtuw_(VectorRegister d, VectorRegister a, VectorRegister b);
2183 inline void vand( VectorRegister d, VectorRegister a, VectorRegister b);
2184 inline void vandc( VectorRegister d, VectorRegister a, VectorRegister b);
2185 inline void vnor( VectorRegister d, VectorRegister a, VectorRegister b);
2186 inline void vor( VectorRegister d, VectorRegister a, VectorRegister b);
2187 inline void vmr( VectorRegister d, VectorRegister a);
2188 inline void vxor( VectorRegister d, VectorRegister a, VectorRegister b);
2189 inline void vrld( VectorRegister d, VectorRegister a, VectorRegister b);
2190 inline void vrlb( VectorRegister d, VectorRegister a, VectorRegister b);
2191 inline void vrlw( VectorRegister d, VectorRegister a, VectorRegister b);
2192 inline void vrlh( VectorRegister d, VectorRegister a, VectorRegister b);
2193 inline void vslb( VectorRegister d, VectorRegister a, VectorRegister b);
2194 inline void vskw( VectorRegister d, VectorRegister a, VectorRegister b);
2195 inline void vslh( VectorRegister d, VectorRegister a, VectorRegister b);
2196 inline void vsrb( VectorRegister d, VectorRegister a, VectorRegister b);
2197 inline void vsrw( VectorRegister d, VectorRegister a, VectorRegister b);
2198 inline void vsrh( VectorRegister d, VectorRegister a, VectorRegister b);
2199 inline void vsrab( VectorRegister d, VectorRegister a, VectorRegister b);
2200 inline void vsraw( VectorRegister d, VectorRegister a, VectorRegister b);
2201 inline void vsrah( VectorRegister d, VectorRegister a, VectorRegister b);
2202 inline void vpopcntw( VectorRegister d, VectorRegister b);
2203 // Vector Floating-Point not implemented yet
2204 inline void mtvscr( VectorRegister b);
2205 inline void mfvscr( VectorRegister d);
2206
2207 // Vector-Scalar (VSX) instructions.
2208 inline void lxvd2x( VectorSRegister d, Register a);
2209 inline void lxvd2x( VectorSRegister d, Register a, Register b);
2210 inline void stxvd2x( VectorSRegister d, Register a);
2211 inline void stxvd2x( VectorSRegister d, Register a, Register b);
2212 inline void mtvrwz( VectorRegister d, Register a);
2213 inline void mfvrwz( Register a, VectorRegister d);
2214 inline void mtvrd( VectorRegister d, Register a);
2215 inline void mfvrd( Register a, VectorRegister d);
2216 inline void xxpermdi( VectorSRegister d, VectorSRegister a, VectorSRegister b, int dm);
2217 inline void xxmrghw( VectorSRegister d, VectorSRegister a, VectorSRegister b);
2218 inline void xxmrglw( VectorSRegister d, VectorSRegister a, VectorSRegister b);
2219 inline void mtvsrd( VectorSRegister d, Register a);
2220 inline void mtvsrwz( VectorSRegister d, Register a);
2221 inline void xxspltw( VectorSRegister d, VectorSRegister b, int ui2);
2222 inline void xxlor( VectorSRegister d, VectorSRegister a, VectorSRegister b);
2223 inline void xxlxor( VectorSRegister d, VectorSRegister a, VectorSRegister b);
2224 inline void xxleqv( VectorSRegister d, VectorSRegister a, VectorSRegister b);
2225 inline void xvdivsp( VectorSRegister d, VectorSRegister a, VectorSRegister b);
2226 inline void xvdivdp( VectorSRegister d, VectorSRegister a, VectorSRegister b);
2227 inline void xvabssp( VectorSRegister d, VectorSRegister b);
2228 inline void xvabsdp( VectorSRegister d, VectorSRegister b);
2229 inline void xvnegsp( VectorSRegister d, VectorSRegister b);
2230 inline void xvnegdp( VectorSRegister d, VectorSRegister b);
2231 inline void xvsqrtsp( VectorSRegister d, VectorSRegister b);
2232 inline void xvsqrtdp( VectorSRegister d, VectorSRegister b);
2233 inline void xscvdpspn(VectorSRegister d, VectorSRegister b);
2234 inline void xvadddp( VectorSRegister d, VectorSRegister a, VectorSRegister b);
2235 inline void xvsubdp( VectorSRegister d, VectorSRegister a, VectorSRegister b);
2236 inline void xvmulsp( VectorSRegister d, VectorSRegister a, VectorSRegister b);
2237 inline void xvmuldp( VectorSRegister d, VectorSRegister a, VectorSRegister b);
2238 inline void xvmaddasp(VectorSRegister d, VectorSRegister a, VectorSRegister b);
2239 inline void xvmaddadp(VectorSRegister d, VectorSRegister a, VectorSRegister b);
2240 inline void xvmsubasp(VectorSRegister d, VectorSRegister a, VectorSRegister b);
2241 inline void xvmsubadp(VectorSRegister d, VectorSRegister a, VectorSRegister b);
2242 inline void xvnmsubasp(VectorSRegister d, VectorSRegister a, VectorSRegister b);
2243 inline void xvnmsubadp(VectorSRegister d, VectorSRegister a, VectorSRegister b);
2244
2245 // VSX Extended Mnemonics
2246 inline void xxspltd( VectorSRegister d, VectorSRegister a, int x);
2247 inline void xxmrghd( VectorSRegister d, VectorSRegister a, VectorSRegister b);
2248 inline void xxmrgld( VectorSRegister d, VectorSRegister a, VectorSRegister b);
2249 inline void xxswapd( VectorSRegister d, VectorSRegister a);
2250
2251 // Vector-Scalar (VSX) instructions.
2252 inline void mtfprd( FloatRegister d, Register a);
2253 inline void mtfprwa( FloatRegister d, Register a);
2254 inline void mffprd( Register a, FloatRegister d);
2255
2256 // Deliver A Random Number (introduced with POWER9)
2257 inline void darn( Register d, int l = 1 /*L=CRN*/);
2258
2259 // AES (introduced with Power 8)
2260 inline void vcipher( VectorRegister d, VectorRegister a, VectorRegister b);
2261 inline void vcipherlast( VectorRegister d, VectorRegister a, VectorRegister b);
2262 inline void vncipher( VectorRegister d, VectorRegister a, VectorRegister b);
2263 inline void vncipherlast(VectorRegister d, VectorRegister a, VectorRegister b);
2264 inline void vsbox( VectorRegister d, VectorRegister a);
2265
2266 // SHA (introduced with Power 8)
2267 inline void vshasigmad(VectorRegister d, VectorRegister a, bool st, int six);
2268 inline void vshasigmaw(VectorRegister d, VectorRegister a, bool st, int six);
2269
2270 // Vector Binary Polynomial Multiplication (introduced with Power 8)
2271 inline void vpmsumb( VectorRegister d, VectorRegister a, VectorRegister b);
2272 inline void vpmsumd( VectorRegister d, VectorRegister a, VectorRegister b);
2273 inline void vpmsumh( VectorRegister d, VectorRegister a, VectorRegister b);
2274 inline void vpmsumw( VectorRegister d, VectorRegister a, VectorRegister b);
2275
2276 // Vector Permute and Xor (introduced with Power 8)
2277 inline void vpermxor( VectorRegister d, VectorRegister a, VectorRegister b, VectorRegister c);
2278
2279 // Transactional Memory instructions (introduced with Power 8)
2280 inline void tbegin_(); // R=0
2281 inline void tbeginrot_(); // R=1 Rollback-Only Transaction
2282 inline void tend_(); // A=0
2283 inline void tendall_(); // A=1
2284 inline void tabort_();
2285 inline void tabort_(Register a);
2286 inline void tabortwc_(int t, Register a, Register b);
2287 inline void tabortwci_(int t, Register a, int si);
2288 inline void tabortdc_(int t, Register a, Register b);
2289 inline void tabortdci_(int t, Register a, int si);
2290 inline void tsuspend_(); // tsr with L=0
2291 inline void tresume_(); // tsr with L=1
2292 inline void tcheck(int f);
2293
2294 static bool is_tbegin(int x) {
2295 return TBEGIN_OPCODE == (x & (0x3f << OPCODE_SHIFT | 0x3ff << 1));
2296 }
2297
2298 // The following encoders use r0 as second operand. These instructions
2299 // read r0 as '0'.
2300 inline void lwzx( Register d, Register s2);
2301 inline void lwz( Register d, int si16);
2302 inline void lwax( Register d, Register s2);
2303 inline void lwa( Register d, int si16);
2304 inline void lwbrx(Register d, Register s2);
2305 inline void lhzx( Register d, Register s2);
2306 inline void lhz( Register d, int si16);
2307 inline void lhax( Register d, Register s2);
2308 inline void lha( Register d, int si16);
2309 inline void lhbrx(Register d, Register s2);
2310 inline void lbzx( Register d, Register s2);
2311 inline void lbz( Register d, int si16);
2312 inline void ldx( Register d, Register s2);
2313 inline void ld( Register d, int si16);
2314 inline void ldbrx(Register d, Register s2);
2315 inline void stwx( Register d, Register s2);
2316 inline void stw( Register d, int si16);
2317 inline void stwbrx( Register d, Register s2);
2318 inline void sthx( Register d, Register s2);
2319 inline void sth( Register d, int si16);
2320 inline void sthbrx( Register d, Register s2);
2321 inline void stbx( Register d, Register s2);
2322 inline void stb( Register d, int si16);
2323 inline void stdx( Register d, Register s2);
2324 inline void std( Register d, int si16);
2325 inline void stdbrx( Register d, Register s2);
2326
2327 // PPC 2, section 3.2.1 Instruction Cache Instructions
2328 inline void icbi( Register s2);
2329 // PPC 2, section 3.2.2 Data Cache Instructions
2330 //inlinevoid dcba( Register s2); // Instruction for embedded processor only.
2331 inline void dcbz( Register s2);
2332 inline void dcbst( Register s2);
2333 inline void dcbf( Register s2);
2334 // dcache read hint
2335 inline void dcbt( Register s2);
2336 inline void dcbtct( Register s2, int ct);
2337 inline void dcbtds( Register s2, int ds);
2338 // dcache write hint
2339 inline void dcbtst( Register s2);
2340 inline void dcbtstct(Register s2, int ct);
2341
2342 // Atomics: use ra0mem to disallow R0 as base.
2343 inline void lbarx_unchecked(Register d, Register b, int eh1);
2344 inline void lharx_unchecked(Register d, Register b, int eh1);
2345 inline void lwarx_unchecked(Register d, Register b, int eh1);
2346 inline void ldarx_unchecked(Register d, Register b, int eh1);
2347 inline void lqarx_unchecked(Register d, Register b, int eh1);
2348 inline void lbarx( Register d, Register b, bool hint_exclusive_access);
2349 inline void lharx( Register d, Register b, bool hint_exclusive_access);
2350 inline void lwarx( Register d, Register b, bool hint_exclusive_access);
2351 inline void ldarx( Register d, Register b, bool hint_exclusive_access);
2352 inline void lqarx( Register d, Register b, bool hint_exclusive_access);
2353 inline void stbcx_(Register s, Register b);
2354 inline void sthcx_(Register s, Register b);
2355 inline void stwcx_(Register s, Register b);
2356 inline void stdcx_(Register s, Register b);
2357 inline void stqcx_(Register s, Register b);
2358 inline void lfs( FloatRegister d, int si16);
2359 inline void lfsx( FloatRegister d, Register b);
2360 inline void lfd( FloatRegister d, int si16);
2361 inline void lfdx( FloatRegister d, Register b);
2362 inline void stfs( FloatRegister s, int si16);
2363 inline void stfsx( FloatRegister s, Register b);
2364 inline void stfd( FloatRegister s, int si16);
2365 inline void stfdx( FloatRegister s, Register b);
2366 inline void lvebx( VectorRegister d, Register s2);
2367 inline void lvehx( VectorRegister d, Register s2);
2368 inline void lvewx( VectorRegister d, Register s2);
2369 inline void lvx( VectorRegister d, Register s2);
2370 inline void lvxl( VectorRegister d, Register s2);
2371 inline void stvebx(VectorRegister d, Register s2);
2372 inline void stvehx(VectorRegister d, Register s2);
2373 inline void stvewx(VectorRegister d, Register s2);
2374 inline void stvx( VectorRegister d, Register s2);
2375 inline void stvxl( VectorRegister d, Register s2);
2376 inline void lvsl( VectorRegister d, Register s2);
2377 inline void lvsr( VectorRegister d, Register s2);
2378
2379 // Endianess specific concatenation of 2 loaded vectors.
2380 inline void load_perm(VectorRegister perm, Register addr);
2381 inline void vec_perm(VectorRegister first_dest, VectorRegister second, VectorRegister perm);
2382 inline void vec_perm(VectorRegister dest, VectorRegister first, VectorRegister second, VectorRegister perm);
2383
2384 // RegisterOrConstant versions.
2385 // These emitters choose between the versions using two registers and
2386 // those with register and immediate, depending on the content of roc.
2387 // If the constant is not encodable as immediate, instructions to
2388 // load the constant are emitted beforehand. Store instructions need a
2389 // tmp reg if the constant is not encodable as immediate.
2390 // Size unpredictable.
2391 void ld( Register d, RegisterOrConstant roc, Register s1 = noreg);
2392 void lwa( Register d, RegisterOrConstant roc, Register s1 = noreg);
2393 void lwz( Register d, RegisterOrConstant roc, Register s1 = noreg);
2394 void lha( Register d, RegisterOrConstant roc, Register s1 = noreg);
2395 void lhz( Register d, RegisterOrConstant roc, Register s1 = noreg);
2396 void lbz( Register d, RegisterOrConstant roc, Register s1 = noreg);
2397 void std( Register d, RegisterOrConstant roc, Register s1 = noreg, Register tmp = noreg);
2398 void stw( Register d, RegisterOrConstant roc, Register s1 = noreg, Register tmp = noreg);
2399 void sth( Register d, RegisterOrConstant roc, Register s1 = noreg, Register tmp = noreg);
2400 void stb( Register d, RegisterOrConstant roc, Register s1 = noreg, Register tmp = noreg);
2401 void add( Register d, RegisterOrConstant roc, Register s1);
2402 void subf(Register d, RegisterOrConstant roc, Register s1);
2403 void cmpd(ConditionRegister d, RegisterOrConstant roc, Register s1);
2404 // Load pointer d from s1+roc.
2405 void ld_ptr(Register d, RegisterOrConstant roc, Register s1 = noreg) { ld(d, roc, s1); }
2406
2407 // Emit several instructions to load a 64 bit constant. This issues a fixed
2408 // instruction pattern so that the constant can be patched later on.
2409 enum {
2410 load_const_size = 5 * BytesPerInstWord
2411 };
2412 void load_const(Register d, long a, Register tmp = noreg);
2413 inline void load_const(Register d, void* a, Register tmp = noreg);
2414 inline void load_const(Register d, Label& L, Register tmp = noreg);
2415 inline void load_const(Register d, AddressLiteral& a, Register tmp = noreg);
2416 inline void load_const32(Register d, int i); // load signed int (patchable)
2417
2418 // Load a 64 bit constant, optimized, not identifyable.
2419 // Tmp can be used to increase ILP. Set return_simm16_rest = true to get a
2420 // 16 bit immediate offset. This is useful if the offset can be encoded in
2421 // a succeeding instruction.
2422 int load_const_optimized(Register d, long a, Register tmp = noreg, bool return_simm16_rest = false);
2423 inline int load_const_optimized(Register d, void* a, Register tmp = noreg, bool return_simm16_rest = false) {
2424 return load_const_optimized(d, (long)(unsigned long)a, tmp, return_simm16_rest);
2425 }
2426
2427 // If return_simm16_rest, the return value needs to get added afterwards.
2428 int add_const_optimized(Register d, Register s, long x, Register tmp = R0, bool return_simm16_rest = false);
2429 inline int add_const_optimized(Register d, Register s, void* a, Register tmp = R0, bool return_simm16_rest = false) {
2430 return add_const_optimized(d, s, (long)(unsigned long)a, tmp, return_simm16_rest);
2431 }
2432
2433 // If return_simm16_rest, the return value needs to get added afterwards.
2434 inline int sub_const_optimized(Register d, Register s, long x, Register tmp = R0, bool return_simm16_rest = false) {
2435 return add_const_optimized(d, s, -x, tmp, return_simm16_rest);
2436 }
2437 inline int sub_const_optimized(Register d, Register s, void* a, Register tmp = R0, bool return_simm16_rest = false) {
2438 return sub_const_optimized(d, s, (long)(unsigned long)a, tmp, return_simm16_rest);
2439 }
2440
2441 // Creation
2442 Assembler(CodeBuffer* code) : AbstractAssembler(code) {
2443 #ifdef CHECK_DELAY
2444 delay_state = no_delay;
2445 #endif
2446 }
2447
2448 // Testing
2449 #ifndef PRODUCT
2450 void test_asm();
2451 #endif
2452 };
2453
2454
2455 #endif // CPU_PPC_ASSEMBLER_PPC_HPP