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Side by Side Diff: src/x64/macro-assembler-x64.h

Issue 430503007: Rename ASSERT* to DCHECK*. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: REBASE and fixes Created 6 years, 4 months ago
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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 #ifndef V8_X64_MACRO_ASSEMBLER_X64_H_ 5 #ifndef V8_X64_MACRO_ASSEMBLER_X64_H_
6 #define V8_X64_MACRO_ASSEMBLER_X64_H_ 6 #define V8_X64_MACRO_ASSEMBLER_X64_H_
7 7
8 #include "src/assembler.h" 8 #include "src/assembler.h"
9 #include "src/frames.h" 9 #include "src/frames.h"
10 #include "src/globals.h" 10 #include "src/globals.h"
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875 void PopReturnAddressTo(Register dst) { popq(dst); } 875 void PopReturnAddressTo(Register dst) { popq(dst); }
876 void Move(Register dst, ExternalReference ext) { 876 void Move(Register dst, ExternalReference ext) {
877 movp(dst, reinterpret_cast<void*>(ext.address()), 877 movp(dst, reinterpret_cast<void*>(ext.address()),
878 RelocInfo::EXTERNAL_REFERENCE); 878 RelocInfo::EXTERNAL_REFERENCE);
879 } 879 }
880 880
881 // Loads a pointer into a register with a relocation mode. 881 // Loads a pointer into a register with a relocation mode.
882 void Move(Register dst, void* ptr, RelocInfo::Mode rmode) { 882 void Move(Register dst, void* ptr, RelocInfo::Mode rmode) {
883 // This method must not be used with heap object references. The stored 883 // This method must not be used with heap object references. The stored
884 // address is not GC safe. Use the handle version instead. 884 // address is not GC safe. Use the handle version instead.
885 ASSERT(rmode > RelocInfo::LAST_GCED_ENUM); 885 DCHECK(rmode > RelocInfo::LAST_GCED_ENUM);
886 movp(dst, ptr, rmode); 886 movp(dst, ptr, rmode);
887 } 887 }
888 888
889 void Move(Register dst, Handle<Object> value, RelocInfo::Mode rmode) { 889 void Move(Register dst, Handle<Object> value, RelocInfo::Mode rmode) {
890 AllowDeferredHandleDereference using_raw_address; 890 AllowDeferredHandleDereference using_raw_address;
891 ASSERT(!RelocInfo::IsNone(rmode)); 891 DCHECK(!RelocInfo::IsNone(rmode));
892 ASSERT(value->IsHeapObject()); 892 DCHECK(value->IsHeapObject());
893 ASSERT(!isolate()->heap()->InNewSpace(*value)); 893 DCHECK(!isolate()->heap()->InNewSpace(*value));
894 movp(dst, reinterpret_cast<void*>(value.location()), rmode); 894 movp(dst, reinterpret_cast<void*>(value.location()), rmode);
895 } 895 }
896 896
897 // Control Flow 897 // Control Flow
898 void Jump(Address destination, RelocInfo::Mode rmode); 898 void Jump(Address destination, RelocInfo::Mode rmode);
899 void Jump(ExternalReference ext); 899 void Jump(ExternalReference ext);
900 void Jump(const Operand& op); 900 void Jump(const Operand& op);
901 void Jump(Handle<Code> code_object, RelocInfo::Mode rmode); 901 void Jump(Handle<Code> code_object, RelocInfo::Mode rmode);
902 902
903 void Call(Address destination, RelocInfo::Mode rmode); 903 void Call(Address destination, RelocInfo::Mode rmode);
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1061 } 1061 }
1062 1062
1063 template<typename Field> 1063 template<typename Field>
1064 void DecodeFieldToSmi(Register reg) { 1064 void DecodeFieldToSmi(Register reg) {
1065 if (SmiValuesAre32Bits()) { 1065 if (SmiValuesAre32Bits()) {
1066 andp(reg, Immediate(Field::kMask)); 1066 andp(reg, Immediate(Field::kMask));
1067 shlp(reg, Immediate(kSmiShift - Field::kShift)); 1067 shlp(reg, Immediate(kSmiShift - Field::kShift));
1068 } else { 1068 } else {
1069 static const int shift = Field::kShift; 1069 static const int shift = Field::kShift;
1070 static const int mask = (Field::kMask >> Field::kShift) << kSmiTagSize; 1070 static const int mask = (Field::kMask >> Field::kShift) << kSmiTagSize;
1071 ASSERT(SmiValuesAre31Bits()); 1071 DCHECK(SmiValuesAre31Bits());
1072 ASSERT(kSmiShift == kSmiTagSize); 1072 DCHECK(kSmiShift == kSmiTagSize);
1073 ASSERT((mask & 0x80000000u) == 0); 1073 DCHECK((mask & 0x80000000u) == 0);
1074 if (shift < kSmiShift) { 1074 if (shift < kSmiShift) {
1075 shlp(reg, Immediate(kSmiShift - shift)); 1075 shlp(reg, Immediate(kSmiShift - shift));
1076 } else if (shift > kSmiShift) { 1076 } else if (shift > kSmiShift) {
1077 sarp(reg, Immediate(shift - kSmiShift)); 1077 sarp(reg, Immediate(shift - kSmiShift));
1078 } 1078 }
1079 andp(reg, Immediate(mask)); 1079 andp(reg, Immediate(mask));
1080 } 1080 }
1081 } 1081 }
1082 1082
1083 // Abort execution if argument is not a number, enabled via --debug-code. 1083 // Abort execution if argument is not a number, enabled via --debug-code.
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1380 // --------------------------------------------------------------------------- 1380 // ---------------------------------------------------------------------------
1381 // Utilities 1381 // Utilities
1382 1382
1383 void Ret(); 1383 void Ret();
1384 1384
1385 // Return and drop arguments from stack, where the number of arguments 1385 // Return and drop arguments from stack, where the number of arguments
1386 // may be bigger than 2^16 - 1. Requires a scratch register. 1386 // may be bigger than 2^16 - 1. Requires a scratch register.
1387 void Ret(int bytes_dropped, Register scratch); 1387 void Ret(int bytes_dropped, Register scratch);
1388 1388
1389 Handle<Object> CodeObject() { 1389 Handle<Object> CodeObject() {
1390 ASSERT(!code_object_.is_null()); 1390 DCHECK(!code_object_.is_null());
1391 return code_object_; 1391 return code_object_;
1392 } 1392 }
1393 1393
1394 // Copy length bytes from source to destination. 1394 // Copy length bytes from source to destination.
1395 // Uses scratch register internally (if you have a low-eight register 1395 // Uses scratch register internally (if you have a low-eight register
1396 // free, do use it, otherwise kScratchRegister will be used). 1396 // free, do use it, otherwise kScratchRegister will be used).
1397 // The min_length is a minimum limit on the value that length will have. 1397 // The min_length is a minimum limit on the value that length will have.
1398 // The algorithm has some special cases that might be omitted if the string 1398 // The algorithm has some special cases that might be omitted if the string
1399 // is known to always be long. 1399 // is known to always be long.
1400 void CopyBytes(Register destination, 1400 void CopyBytes(Register destination,
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1657 masm->popfq(); \ 1657 masm->popfq(); \
1658 } \ 1658 } \
1659 masm-> 1659 masm->
1660 #else 1660 #else
1661 #define ACCESS_MASM(masm) masm-> 1661 #define ACCESS_MASM(masm) masm->
1662 #endif 1662 #endif
1663 1663
1664 } } // namespace v8::internal 1664 } } // namespace v8::internal
1665 1665
1666 #endif // V8_X64_MACRO_ASSEMBLER_X64_H_ 1666 #endif // V8_X64_MACRO_ASSEMBLER_X64_H_
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