1 2 /*---------------------------------------------------------------*/ 3 /*--- begin host_x86_defs.h ---*/ 4 /*---------------------------------------------------------------*/ 5 6 /* 7 This file is part of Valgrind, a dynamic binary instrumentation 8 framework. 9 10 Copyright (C) 2004-2010 OpenWorks LLP 11 info (at) open-works.net 12 13 This program is free software; you can redistribute it and/or 14 modify it under the terms of the GNU General Public License as 15 published by the Free Software Foundation; either version 2 of the 16 License, or (at your option) any later version. 17 18 This program is distributed in the hope that it will be useful, but 19 WITHOUT ANY WARRANTY; without even the implied warranty of 20 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 21 General Public License for more details. 22 23 You should have received a copy of the GNU General Public License 24 along with this program; if not, write to the Free Software 25 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 26 02110-1301, USA. 27 28 The GNU General Public License is contained in the file COPYING. 29 30 Neither the names of the U.S. Department of Energy nor the 31 University of California nor the names of its contributors may be 32 used to endorse or promote products derived from this software 33 without prior written permission. 34 */ 35 36 #ifndef __VEX_HOST_X86_DEFS_H 37 #define __VEX_HOST_X86_DEFS_H 38 39 40 /* --------- Registers. --------- */ 41 42 /* The usual HReg abstraction. There are 8 real int regs, 43 6 real float regs, and 8 real vector regs. 44 */ 45 46 extern void ppHRegX86 ( HReg ); 47 48 extern HReg hregX86_EAX ( void ); 49 extern HReg hregX86_EBX ( void ); 50 extern HReg hregX86_ECX ( void ); 51 extern HReg hregX86_EDX ( void ); 52 extern HReg hregX86_ESP ( void ); 53 extern HReg hregX86_EBP ( void ); 54 extern HReg hregX86_ESI ( void ); 55 extern HReg hregX86_EDI ( void ); 56 57 extern HReg hregX86_FAKE0 ( void ); 58 extern HReg hregX86_FAKE1 ( void ); 59 extern HReg hregX86_FAKE2 ( void ); 60 extern HReg hregX86_FAKE3 ( void ); 61 extern HReg hregX86_FAKE4 ( void ); 62 extern HReg hregX86_FAKE5 ( void ); 63 64 extern HReg hregX86_XMM0 ( void ); 65 extern HReg hregX86_XMM1 ( void ); 66 extern HReg hregX86_XMM2 ( void ); 67 extern HReg hregX86_XMM3 ( void ); 68 extern HReg hregX86_XMM4 ( void ); 69 extern HReg hregX86_XMM5 ( void ); 70 extern HReg hregX86_XMM6 ( void ); 71 extern HReg hregX86_XMM7 ( void ); 72 73 74 /* --------- Condition codes, Intel encoding. --------- */ 75 76 typedef 77 enum { 78 Xcc_O = 0, /* overflow */ 79 Xcc_NO = 1, /* no overflow */ 80 81 Xcc_B = 2, /* below */ 82 Xcc_NB = 3, /* not below */ 83 84 Xcc_Z = 4, /* zero */ 85 Xcc_NZ = 5, /* not zero */ 86 87 Xcc_BE = 6, /* below or equal */ 88 Xcc_NBE = 7, /* not below or equal */ 89 90 Xcc_S = 8, /* negative */ 91 Xcc_NS = 9, /* not negative */ 92 93 Xcc_P = 10, /* parity even */ 94 Xcc_NP = 11, /* not parity even */ 95 96 Xcc_L = 12, /* jump less */ 97 Xcc_NL = 13, /* not less */ 98 99 Xcc_LE = 14, /* less or equal */ 100 Xcc_NLE = 15, /* not less or equal */ 101 102 Xcc_ALWAYS = 16 /* the usual hack */ 103 } 104 X86CondCode; 105 106 extern HChar* showX86CondCode ( X86CondCode ); 107 108 109 /* --------- Memory address expressions (amodes). --------- */ 110 111 typedef 112 enum { 113 Xam_IR, /* Immediate + Reg */ 114 Xam_IRRS /* Immediate + Reg1 + (Reg2 << Shift) */ 115 } 116 X86AModeTag; 117 118 typedef 119 struct { 120 X86AModeTag tag; 121 union { 122 struct { 123 UInt imm; 124 HReg reg; 125 } IR; 126 struct { 127 UInt imm; 128 HReg base; 129 HReg index; 130 Int shift; /* 0, 1, 2 or 3 only */ 131 } IRRS; 132 } Xam; 133 } 134 X86AMode; 135 136 extern X86AMode* X86AMode_IR ( UInt, HReg ); 137 extern X86AMode* X86AMode_IRRS ( UInt, HReg, HReg, Int ); 138 139 extern X86AMode* dopyX86AMode ( X86AMode* ); 140 141 extern void ppX86AMode ( X86AMode* ); 142 143 144 /* --------- Operand, which can be reg, immediate or memory. --------- */ 145 146 typedef 147 enum { 148 Xrmi_Imm, 149 Xrmi_Reg, 150 Xrmi_Mem 151 } 152 X86RMITag; 153 154 typedef 155 struct { 156 X86RMITag tag; 157 union { 158 struct { 159 UInt imm32; 160 } Imm; 161 struct { 162 HReg reg; 163 } Reg; 164 struct { 165 X86AMode* am; 166 } Mem; 167 } 168 Xrmi; 169 } 170 X86RMI; 171 172 extern X86RMI* X86RMI_Imm ( UInt ); 173 extern X86RMI* X86RMI_Reg ( HReg ); 174 extern X86RMI* X86RMI_Mem ( X86AMode* ); 175 176 extern void ppX86RMI ( X86RMI* ); 177 178 179 /* --------- Operand, which can be reg or immediate only. --------- */ 180 181 typedef 182 enum { 183 Xri_Imm, 184 Xri_Reg 185 } 186 X86RITag; 187 188 typedef 189 struct { 190 X86RITag tag; 191 union { 192 struct { 193 UInt imm32; 194 } Imm; 195 struct { 196 HReg reg; 197 } Reg; 198 } 199 Xri; 200 } 201 X86RI; 202 203 extern X86RI* X86RI_Imm ( UInt ); 204 extern X86RI* X86RI_Reg ( HReg ); 205 206 extern void ppX86RI ( X86RI* ); 207 208 209 /* --------- Operand, which can be reg or memory only. --------- */ 210 211 typedef 212 enum { 213 Xrm_Reg, 214 Xrm_Mem 215 } 216 X86RMTag; 217 218 typedef 219 struct { 220 X86RMTag tag; 221 union { 222 struct { 223 HReg reg; 224 } Reg; 225 struct { 226 X86AMode* am; 227 } Mem; 228 } 229 Xrm; 230 } 231 X86RM; 232 233 extern X86RM* X86RM_Reg ( HReg ); 234 extern X86RM* X86RM_Mem ( X86AMode* ); 235 236 extern void ppX86RM ( X86RM* ); 237 238 239 /* --------- Instructions. --------- */ 240 241 /* --------- */ 242 typedef 243 enum { 244 Xun_NEG, 245 Xun_NOT 246 } 247 X86UnaryOp; 248 249 extern HChar* showX86UnaryOp ( X86UnaryOp ); 250 251 252 /* --------- */ 253 typedef 254 enum { 255 Xalu_INVALID, 256 Xalu_MOV, 257 Xalu_CMP, 258 Xalu_ADD, Xalu_SUB, Xalu_ADC, Xalu_SBB, 259 Xalu_AND, Xalu_OR, Xalu_XOR, 260 Xalu_MUL 261 } 262 X86AluOp; 263 264 extern HChar* showX86AluOp ( X86AluOp ); 265 266 267 /* --------- */ 268 typedef 269 enum { 270 Xsh_INVALID, 271 Xsh_SHL, Xsh_SHR, Xsh_SAR 272 } 273 X86ShiftOp; 274 275 extern HChar* showX86ShiftOp ( X86ShiftOp ); 276 277 278 /* --------- */ 279 typedef 280 enum { 281 Xfp_INVALID, 282 /* Binary */ 283 Xfp_ADD, Xfp_SUB, Xfp_MUL, Xfp_DIV, 284 Xfp_SCALE, Xfp_ATAN, Xfp_YL2X, Xfp_YL2XP1, Xfp_PREM, Xfp_PREM1, 285 /* Unary */ 286 Xfp_SQRT, Xfp_ABS, Xfp_NEG, Xfp_MOV, Xfp_SIN, Xfp_COS, Xfp_TAN, 287 Xfp_ROUND, Xfp_2XM1 288 } 289 X86FpOp; 290 291 extern HChar* showX86FpOp ( X86FpOp ); 292 293 294 /* --------- */ 295 typedef 296 enum { 297 Xsse_INVALID, 298 /* mov */ 299 Xsse_MOV, 300 /* Floating point binary */ 301 Xsse_ADDF, Xsse_SUBF, Xsse_MULF, Xsse_DIVF, 302 Xsse_MAXF, Xsse_MINF, 303 Xsse_CMPEQF, Xsse_CMPLTF, Xsse_CMPLEF, Xsse_CMPUNF, 304 /* Floating point unary */ 305 Xsse_RCPF, Xsse_RSQRTF, Xsse_SQRTF, 306 /* Bitwise */ 307 Xsse_AND, Xsse_OR, Xsse_XOR, Xsse_ANDN, 308 /* Integer binary */ 309 Xsse_ADD8, Xsse_ADD16, Xsse_ADD32, Xsse_ADD64, 310 Xsse_QADD8U, Xsse_QADD16U, 311 Xsse_QADD8S, Xsse_QADD16S, 312 Xsse_SUB8, Xsse_SUB16, Xsse_SUB32, Xsse_SUB64, 313 Xsse_QSUB8U, Xsse_QSUB16U, 314 Xsse_QSUB8S, Xsse_QSUB16S, 315 Xsse_MUL16, 316 Xsse_MULHI16U, 317 Xsse_MULHI16S, 318 Xsse_AVG8U, Xsse_AVG16U, 319 Xsse_MAX16S, 320 Xsse_MAX8U, 321 Xsse_MIN16S, 322 Xsse_MIN8U, 323 Xsse_CMPEQ8, Xsse_CMPEQ16, Xsse_CMPEQ32, 324 Xsse_CMPGT8S, Xsse_CMPGT16S, Xsse_CMPGT32S, 325 Xsse_SHL16, Xsse_SHL32, Xsse_SHL64, 326 Xsse_SHR16, Xsse_SHR32, Xsse_SHR64, 327 Xsse_SAR16, Xsse_SAR32, 328 Xsse_PACKSSD, Xsse_PACKSSW, Xsse_PACKUSW, 329 Xsse_UNPCKHB, Xsse_UNPCKHW, Xsse_UNPCKHD, Xsse_UNPCKHQ, 330 Xsse_UNPCKLB, Xsse_UNPCKLW, Xsse_UNPCKLD, Xsse_UNPCKLQ 331 } 332 X86SseOp; 333 334 extern HChar* showX86SseOp ( X86SseOp ); 335 336 337 /* --------- */ 338 typedef 339 enum { 340 Xin_Alu32R, /* 32-bit mov/arith/logical, dst=REG */ 341 Xin_Alu32M, /* 32-bit mov/arith/logical, dst=MEM */ 342 Xin_Sh32, /* 32-bit shift/rotate, dst=REG */ 343 Xin_Test32, /* 32-bit test of REG or MEM against imm32 (AND, set 344 flags, discard result) */ 345 Xin_Unary32, /* 32-bit not and neg */ 346 Xin_Lea32, /* 32-bit compute EA into a reg */ 347 Xin_MulL, /* 32 x 32 -> 64 multiply */ 348 Xin_Div, /* 64/32 -> (32,32) div and mod */ 349 Xin_Sh3232, /* shldl or shrdl */ 350 Xin_Push, /* push (32-bit?) value on stack */ 351 Xin_Call, /* call to address in register */ 352 Xin_Goto, /* conditional/unconditional jmp to dst */ 353 Xin_CMov32, /* conditional move */ 354 Xin_LoadEX, /* mov{s,z}{b,w}l from mem to reg */ 355 Xin_Store, /* store 16/8 bit value in memory */ 356 Xin_Set32, /* convert condition code to 32-bit value */ 357 Xin_Bsfr32, /* 32-bit bsf/bsr */ 358 Xin_MFence, /* mem fence (not just sse2, but sse0 and 1 too) */ 359 Xin_ACAS, /* 8/16/32-bit lock;cmpxchg */ 360 Xin_DACAS, /* lock;cmpxchg8b (doubleword ACAS, 2 x 32-bit only) */ 361 362 Xin_FpUnary, /* FP fake unary op */ 363 Xin_FpBinary, /* FP fake binary op */ 364 Xin_FpLdSt, /* FP fake load/store */ 365 Xin_FpLdStI, /* FP fake load/store, converting to/from Int */ 366 Xin_Fp64to32, /* FP round IEEE754 double to IEEE754 single */ 367 Xin_FpCMov, /* FP fake floating point conditional move */ 368 Xin_FpLdCW, /* fldcw */ 369 Xin_FpStSW_AX, /* fstsw %ax */ 370 Xin_FpCmp, /* FP compare, generating a C320 value into int reg */ 371 372 Xin_SseConst, /* Generate restricted SSE literal */ 373 Xin_SseLdSt, /* SSE load/store, no alignment constraints */ 374 Xin_SseLdzLO, /* SSE load low 32/64 bits, zero remainder of reg */ 375 Xin_Sse32Fx4, /* SSE binary, 32Fx4 */ 376 Xin_Sse32FLo, /* SSE binary, 32F in lowest lane only */ 377 Xin_Sse64Fx2, /* SSE binary, 64Fx2 */ 378 Xin_Sse64FLo, /* SSE binary, 64F in lowest lane only */ 379 Xin_SseReRg, /* SSE binary general reg-reg, Re, Rg */ 380 Xin_SseCMov, /* SSE conditional move */ 381 Xin_SseShuf /* SSE2 shuffle (pshufd) */ 382 } 383 X86InstrTag; 384 385 /* Destinations are on the RIGHT (second operand) */ 386 387 typedef 388 struct { 389 X86InstrTag tag; 390 union { 391 struct { 392 X86AluOp op; 393 X86RMI* src; 394 HReg dst; 395 } Alu32R; 396 struct { 397 X86AluOp op; 398 X86RI* src; 399 X86AMode* dst; 400 } Alu32M; 401 struct { 402 X86ShiftOp op; 403 UInt src; /* shift amount, or 0 means %cl */ 404 HReg dst; 405 } Sh32; 406 struct { 407 UInt imm32; 408 X86RM* dst; /* not written, only read */ 409 } Test32; 410 /* Not and Neg */ 411 struct { 412 X86UnaryOp op; 413 HReg dst; 414 } Unary32; 415 /* 32-bit compute EA into a reg */ 416 struct { 417 X86AMode* am; 418 HReg dst; 419 } Lea32; 420 /* EDX:EAX = EAX *s/u r/m32 */ 421 struct { 422 Bool syned; 423 X86RM* src; 424 } MulL; 425 /* x86 div/idiv instruction. Modifies EDX and EAX and reads src. */ 426 struct { 427 Bool syned; 428 X86RM* src; 429 } Div; 430 /* shld/shrd. op may only be Xsh_SHL or Xsh_SHR */ 431 struct { 432 X86ShiftOp op; 433 UInt amt; /* shift amount, or 0 means %cl */ 434 HReg src; 435 HReg dst; 436 } Sh3232; 437 struct { 438 X86RMI* src; 439 } Push; 440 /* Pseudo-insn. Call target (an absolute address), on given 441 condition (which could be Xcc_ALWAYS). */ 442 struct { 443 X86CondCode cond; 444 Addr32 target; 445 Int regparms; /* 0 .. 3 */ 446 } Call; 447 /* Pseudo-insn. Goto dst, on given condition (which could be 448 Xcc_ALWAYS). */ 449 struct { 450 IRJumpKind jk; 451 X86CondCode cond; 452 X86RI* dst; 453 } Goto; 454 /* Mov src to dst on the given condition, which may not 455 be the bogus Xcc_ALWAYS. */ 456 struct { 457 X86CondCode cond; 458 X86RM* src; 459 HReg dst; 460 } CMov32; 461 /* Sign/Zero extending loads. Dst size is always 32 bits. */ 462 struct { 463 UChar szSmall; 464 Bool syned; 465 X86AMode* src; 466 HReg dst; 467 } LoadEX; 468 /* 16/8 bit stores, which are troublesome (particularly 469 8-bit) */ 470 struct { 471 UChar sz; /* only 1 or 2 */ 472 HReg src; 473 X86AMode* dst; 474 } Store; 475 /* Convert a x86 condition code to a 32-bit value (0 or 1). */ 476 struct { 477 X86CondCode cond; 478 HReg dst; 479 } Set32; 480 /* 32-bit bsf or bsr. */ 481 struct { 482 Bool isFwds; 483 HReg src; 484 HReg dst; 485 } Bsfr32; 486 /* Mem fence (not just sse2, but sse0 and 1 too). In short, 487 an insn which flushes all preceding loads and stores as 488 much as possible before continuing. On SSE2 we emit a 489 real "mfence", on SSE1 "sfence ; lock addl $0,0(%esp)" and 490 on SSE0 "lock addl $0,0(%esp)". This insn therefore 491 carries the host's hwcaps so the assembler knows what to 492 emit. */ 493 struct { 494 UInt hwcaps; 495 } MFence; 496 /* "lock;cmpxchg": mem address in .addr, 497 expected value in %eax, new value in %ebx */ 498 struct { 499 X86AMode* addr; 500 UChar sz; /* 1, 2 or 4 */ 501 } ACAS; 502 /* "lock;cmpxchg8b": mem address in .addr, expected value in 503 %edx:%eax, new value in %ecx:%ebx */ 504 struct { 505 X86AMode* addr; 506 } DACAS; 507 508 /* X86 Floating point (fake 3-operand, "flat reg file" insns) */ 509 struct { 510 X86FpOp op; 511 HReg src; 512 HReg dst; 513 } FpUnary; 514 struct { 515 X86FpOp op; 516 HReg srcL; 517 HReg srcR; 518 HReg dst; 519 } FpBinary; 520 struct { 521 Bool isLoad; 522 UChar sz; /* only 4 (IEEE single) or 8 (IEEE double) */ 523 HReg reg; 524 X86AMode* addr; 525 } FpLdSt; 526 /* Move 64-bit float to/from memory, converting to/from 527 signed int on the way. Note the conversions will observe 528 the host FPU rounding mode currently in force. */ 529 struct { 530 Bool isLoad; 531 UChar sz; /* only 2, 4 or 8 */ 532 HReg reg; 533 X86AMode* addr; 534 } FpLdStI; 535 /* By observing the current FPU rounding mode, round (etc) 536 src into dst given that dst should be interpreted as an 537 IEEE754 32-bit (float) type. */ 538 struct { 539 HReg src; 540 HReg dst; 541 } Fp64to32; 542 /* Mov src to dst on the given condition, which may not 543 be the bogus Xcc_ALWAYS. */ 544 struct { 545 X86CondCode cond; 546 HReg src; 547 HReg dst; 548 } FpCMov; 549 /* Load the FPU's 16-bit control word (fldcw) */ 550 struct { 551 X86AMode* addr; 552 } 553 FpLdCW; 554 /* fstsw %ax */ 555 struct { 556 /* no fields */ 557 } 558 FpStSW_AX; 559 /* Do a compare, generating the C320 bits into the dst. */ 560 struct { 561 HReg srcL; 562 HReg srcR; 563 HReg dst; 564 } FpCmp; 565 566 /* Simplistic SSE[123] */ 567 struct { 568 UShort con; 569 HReg dst; 570 } SseConst; 571 struct { 572 Bool isLoad; 573 HReg reg; 574 X86AMode* addr; 575 } SseLdSt; 576 struct { 577 UChar sz; /* 4 or 8 only */ 578 HReg reg; 579 X86AMode* addr; 580 } SseLdzLO; 581 struct { 582 X86SseOp op; 583 HReg src; 584 HReg dst; 585 } Sse32Fx4; 586 struct { 587 X86SseOp op; 588 HReg src; 589 HReg dst; 590 } Sse32FLo; 591 struct { 592 X86SseOp op; 593 HReg src; 594 HReg dst; 595 } Sse64Fx2; 596 struct { 597 X86SseOp op; 598 HReg src; 599 HReg dst; 600 } Sse64FLo; 601 struct { 602 X86SseOp op; 603 HReg src; 604 HReg dst; 605 } SseReRg; 606 /* Mov src to dst on the given condition, which may not 607 be the bogus Xcc_ALWAYS. */ 608 struct { 609 X86CondCode cond; 610 HReg src; 611 HReg dst; 612 } SseCMov; 613 struct { 614 Int order; /* 0 <= order <= 0xFF */ 615 HReg src; 616 HReg dst; 617 } SseShuf; 618 619 } Xin; 620 } 621 X86Instr; 622 623 extern X86Instr* X86Instr_Alu32R ( X86AluOp, X86RMI*, HReg ); 624 extern X86Instr* X86Instr_Alu32M ( X86AluOp, X86RI*, X86AMode* ); 625 extern X86Instr* X86Instr_Unary32 ( X86UnaryOp op, HReg dst ); 626 extern X86Instr* X86Instr_Lea32 ( X86AMode* am, HReg dst ); 627 628 extern X86Instr* X86Instr_Sh32 ( X86ShiftOp, UInt, HReg ); 629 extern X86Instr* X86Instr_Test32 ( UInt imm32, X86RM* dst ); 630 extern X86Instr* X86Instr_MulL ( Bool syned, X86RM* ); 631 extern X86Instr* X86Instr_Div ( Bool syned, X86RM* ); 632 extern X86Instr* X86Instr_Sh3232 ( X86ShiftOp, UInt amt, HReg src, HReg dst ); 633 extern X86Instr* X86Instr_Push ( X86RMI* ); 634 extern X86Instr* X86Instr_Call ( X86CondCode, Addr32, Int ); 635 extern X86Instr* X86Instr_Goto ( IRJumpKind, X86CondCode cond, X86RI* dst ); 636 extern X86Instr* X86Instr_CMov32 ( X86CondCode, X86RM* src, HReg dst ); 637 extern X86Instr* X86Instr_LoadEX ( UChar szSmall, Bool syned, 638 X86AMode* src, HReg dst ); 639 extern X86Instr* X86Instr_Store ( UChar sz, HReg src, X86AMode* dst ); 640 extern X86Instr* X86Instr_Set32 ( X86CondCode cond, HReg dst ); 641 extern X86Instr* X86Instr_Bsfr32 ( Bool isFwds, HReg src, HReg dst ); 642 extern X86Instr* X86Instr_MFence ( UInt hwcaps ); 643 extern X86Instr* X86Instr_ACAS ( X86AMode* addr, UChar sz ); 644 extern X86Instr* X86Instr_DACAS ( X86AMode* addr ); 645 646 extern X86Instr* X86Instr_FpUnary ( X86FpOp op, HReg src, HReg dst ); 647 extern X86Instr* X86Instr_FpBinary ( X86FpOp op, HReg srcL, HReg srcR, HReg dst ); 648 extern X86Instr* X86Instr_FpLdSt ( Bool isLoad, UChar sz, HReg reg, X86AMode* ); 649 extern X86Instr* X86Instr_FpLdStI ( Bool isLoad, UChar sz, HReg reg, X86AMode* ); 650 extern X86Instr* X86Instr_Fp64to32 ( HReg src, HReg dst ); 651 extern X86Instr* X86Instr_FpCMov ( X86CondCode, HReg src, HReg dst ); 652 extern X86Instr* X86Instr_FpLdCW ( X86AMode* ); 653 extern X86Instr* X86Instr_FpStSW_AX ( void ); 654 extern X86Instr* X86Instr_FpCmp ( HReg srcL, HReg srcR, HReg dst ); 655 656 extern X86Instr* X86Instr_SseConst ( UShort con, HReg dst ); 657 extern X86Instr* X86Instr_SseLdSt ( Bool isLoad, HReg, X86AMode* ); 658 extern X86Instr* X86Instr_SseLdzLO ( Int sz, HReg, X86AMode* ); 659 extern X86Instr* X86Instr_Sse32Fx4 ( X86SseOp, HReg, HReg ); 660 extern X86Instr* X86Instr_Sse32FLo ( X86SseOp, HReg, HReg ); 661 extern X86Instr* X86Instr_Sse64Fx2 ( X86SseOp, HReg, HReg ); 662 extern X86Instr* X86Instr_Sse64FLo ( X86SseOp, HReg, HReg ); 663 extern X86Instr* X86Instr_SseReRg ( X86SseOp, HReg, HReg ); 664 extern X86Instr* X86Instr_SseCMov ( X86CondCode, HReg src, HReg dst ); 665 extern X86Instr* X86Instr_SseShuf ( Int order, HReg src, HReg dst ); 666 667 668 extern void ppX86Instr ( X86Instr*, Bool ); 669 670 /* Some functions that insulate the register allocator from details 671 of the underlying instruction set. */ 672 extern void getRegUsage_X86Instr ( HRegUsage*, X86Instr*, Bool ); 673 extern void mapRegs_X86Instr ( HRegRemap*, X86Instr*, Bool ); 674 extern Bool isMove_X86Instr ( X86Instr*, HReg*, HReg* ); 675 extern Int emit_X86Instr ( UChar* buf, Int nbuf, X86Instr*, 676 Bool, void* dispatch ); 677 678 extern void genSpill_X86 ( /*OUT*/HInstr** i1, /*OUT*/HInstr** i2, 679 HReg rreg, Int offset, Bool ); 680 extern void genReload_X86 ( /*OUT*/HInstr** i1, /*OUT*/HInstr** i2, 681 HReg rreg, Int offset, Bool ); 682 683 extern X86Instr* directReload_X86 ( X86Instr* i, 684 HReg vreg, Short spill_off ); 685 extern void getAllocableRegs_X86 ( Int*, HReg** ); 686 extern HInstrArray* iselSB_X86 ( IRSB*, VexArch, 687 VexArchInfo*, 688 VexAbiInfo* ); 689 690 #endif /* ndef __VEX_HOST_X86_DEFS_H */ 691 692 /*---------------------------------------------------------------*/ 693 /*--- end host_x86_defs.h ---*/ 694 /*---------------------------------------------------------------*/ 695
