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1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 the V8 project authors. All rights reserved. |
2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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438 | 438 |
439 bind(&lost_precision_pop); | 439 bind(&lost_precision_pop); |
440 fstp(0); | 440 fstp(0); |
441 jmp(lost_precision, Label::kNear); | 441 jmp(lost_precision, Label::kNear); |
442 } | 442 } |
443 } | 443 } |
444 bind(&done); | 444 bind(&done); |
445 } | 445 } |
446 | 446 |
447 | 447 |
448 | |
449 static double kUint32Bias = | |
450 static_cast<double>(static_cast<uint32_t>(0xFFFFFFFF)) + 1; | |
451 | |
452 | |
453 void MacroAssembler::LoadUint32(XMMRegister dst, | 448 void MacroAssembler::LoadUint32(XMMRegister dst, |
454 Register src, | 449 Register src, |
455 XMMRegister scratch) { | 450 XMMRegister scratch) { |
456 ASSERT(!Serializer::enabled()); | |
457 Label done; | 451 Label done; |
458 cmp(src, Immediate(0)); | 452 cmp(src, Immediate(0)); |
459 movdbl(scratch, | 453 ExternalReference uint32_bias = |
460 Operand(reinterpret_cast<int32_t>(&kUint32Bias), RelocInfo::NONE32)); | 454 ExternalReference::address_of_uint32_bias(); |
| 455 movdbl(scratch, Operand::StaticVariable(uint32_bias)); |
461 Cvtsi2sd(dst, src); | 456 Cvtsi2sd(dst, src); |
462 j(not_sign, &done, Label::kNear); | 457 j(not_sign, &done, Label::kNear); |
463 addsd(dst, scratch); | 458 addsd(dst, scratch); |
464 bind(&done); | 459 bind(&done); |
465 } | 460 } |
466 | 461 |
467 | 462 |
468 void MacroAssembler::LoadUint32NoSSE2(Register src) { | 463 void MacroAssembler::LoadUint32NoSSE2(Register src) { |
469 ASSERT(!Serializer::enabled()); | |
470 Label done; | 464 Label done; |
471 push(src); | 465 push(src); |
472 fild_s(Operand(esp, 0)); | 466 fild_s(Operand(esp, 0)); |
473 cmp(src, Immediate(0)); | 467 cmp(src, Immediate(0)); |
474 j(not_sign, &done, Label::kNear); | 468 j(not_sign, &done, Label::kNear); |
475 fld_d(Operand(reinterpret_cast<int32_t>(&kUint32Bias), RelocInfo::NONE32)); | 469 ExternalReference uint32_bias = |
| 470 ExternalReference::address_of_uint32_bias(); |
| 471 fld_d(Operand::StaticVariable(uint32_bias)); |
476 faddp(1); | 472 faddp(1); |
477 bind(&done); | 473 bind(&done); |
478 add(esp, Immediate(kPointerSize)); | 474 add(esp, Immediate(kPointerSize)); |
479 } | 475 } |
480 | 476 |
481 | 477 |
482 void MacroAssembler::RecordWriteArray(Register object, | 478 void MacroAssembler::RecordWriteArray(Register object, |
483 Register value, | 479 Register value, |
484 Register index, | 480 Register index, |
485 SaveFPRegsMode save_fp, | 481 SaveFPRegsMode save_fp, |
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3528 j(greater, &no_memento_available); | 3524 j(greater, &no_memento_available); |
3529 cmp(MemOperand(scratch_reg, -AllocationMemento::kSize), | 3525 cmp(MemOperand(scratch_reg, -AllocationMemento::kSize), |
3530 Immediate(isolate()->factory()->allocation_memento_map())); | 3526 Immediate(isolate()->factory()->allocation_memento_map())); |
3531 bind(&no_memento_available); | 3527 bind(&no_memento_available); |
3532 } | 3528 } |
3533 | 3529 |
3534 | 3530 |
3535 } } // namespace v8::internal | 3531 } } // namespace v8::internal |
3536 | 3532 |
3537 #endif // V8_TARGET_ARCH_IA32 | 3533 #endif // V8_TARGET_ARCH_IA32 |
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