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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 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "src/v8.h" | 5 #include "src/v8.h" |
6 | 6 |
7 #if V8_TARGET_ARCH_X87 | 7 #if V8_TARGET_ARCH_X87 |
8 | 8 |
9 #include "src/base/bits.h" | 9 #include "src/base/bits.h" |
10 #include "src/base/division-by-constant.h" | 10 #include "src/base/division-by-constant.h" |
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488 mov(address, Immediate(bit_cast<int32_t>(kZapValue))); | 488 mov(address, Immediate(bit_cast<int32_t>(kZapValue))); |
489 mov(value, Immediate(bit_cast<int32_t>(kZapValue))); | 489 mov(value, Immediate(bit_cast<int32_t>(kZapValue))); |
490 } | 490 } |
491 } | 491 } |
492 | 492 |
493 | 493 |
494 void MacroAssembler::DebugBreak() { | 494 void MacroAssembler::DebugBreak() { |
495 Move(eax, Immediate(0)); | 495 Move(eax, Immediate(0)); |
496 mov(ebx, Immediate(ExternalReference(Runtime::kDebugBreak, isolate()))); | 496 mov(ebx, Immediate(ExternalReference(Runtime::kDebugBreak, isolate()))); |
497 CEntryStub ces(isolate(), 1); | 497 CEntryStub ces(isolate(), 1); |
498 call(ces.GetCode(), RelocInfo::DEBUG_BREAK); | 498 call(ces.GetCode(), RelocInfo::DEBUGGER_STATEMENT); |
499 } | 499 } |
500 | 500 |
501 | 501 |
502 bool MacroAssembler::IsUnsafeImmediate(const Immediate& x) { | 502 bool MacroAssembler::IsUnsafeImmediate(const Immediate& x) { |
503 static const int kMaxImmediateBits = 17; | 503 static const int kMaxImmediateBits = 17; |
504 if (!RelocInfo::IsNone(x.rmode_)) return false; | 504 if (!RelocInfo::IsNone(x.rmode_)) return false; |
505 return !is_intn(x.x_, kMaxImmediateBits); | 505 return !is_intn(x.x_, kMaxImmediateBits); |
506 } | 506 } |
507 | 507 |
508 | 508 |
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3101 mov(eax, dividend); | 3101 mov(eax, dividend); |
3102 shr(eax, 31); | 3102 shr(eax, 31); |
3103 add(edx, eax); | 3103 add(edx, eax); |
3104 } | 3104 } |
3105 | 3105 |
3106 | 3106 |
3107 } // namespace internal | 3107 } // namespace internal |
3108 } // namespace v8 | 3108 } // namespace v8 |
3109 | 3109 |
3110 #endif // V8_TARGET_ARCH_X87 | 3110 #endif // V8_TARGET_ARCH_X87 |
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