diff options
Diffstat (limited to 'deps/v8/src/x87/codegen-x87.cc')
| -rw-r--r-- | deps/v8/src/x87/codegen-x87.cc | 71 |
1 files changed, 22 insertions, 49 deletions
diff --git a/deps/v8/src/x87/codegen-x87.cc b/deps/v8/src/x87/codegen-x87.cc index f6b8fc4f2a..e33959e65b 100644 --- a/deps/v8/src/x87/codegen-x87.cc +++ b/deps/v8/src/x87/codegen-x87.cc @@ -217,12 +217,8 @@ void ElementsTransitionGenerator::GenerateMapChangeElementsTransition( // Set transitioned map. __ mov(FieldOperand(receiver, HeapObject::kMapOffset), target_map); - __ RecordWriteField(receiver, - HeapObject::kMapOffset, - target_map, - scratch, - EMIT_REMEMBERED_SET, - OMIT_SMI_CHECK); + __ RecordWriteField(receiver, HeapObject::kMapOffset, target_map, scratch, + kDontSaveFPRegs, EMIT_REMEMBERED_SET, OMIT_SMI_CHECK); } @@ -275,12 +271,8 @@ void ElementsTransitionGenerator::GenerateSmiToDouble( // Replace receiver's backing store with newly created FixedDoubleArray. __ mov(FieldOperand(edx, JSObject::kElementsOffset), eax); __ mov(ebx, eax); - __ RecordWriteField(edx, - JSObject::kElementsOffset, - ebx, - edi, - EMIT_REMEMBERED_SET, - OMIT_SMI_CHECK); + __ RecordWriteField(edx, JSObject::kElementsOffset, ebx, edi, kDontSaveFPRegs, + EMIT_REMEMBERED_SET, OMIT_SMI_CHECK); __ mov(edi, FieldOperand(esi, FixedArray::kLengthOffset)); @@ -339,12 +331,8 @@ void ElementsTransitionGenerator::GenerateSmiToDouble( // ebx: target map // Set transitioned map. __ mov(FieldOperand(edx, HeapObject::kMapOffset), ebx); - __ RecordWriteField(edx, - HeapObject::kMapOffset, - ebx, - edi, - OMIT_REMEMBERED_SET, - OMIT_SMI_CHECK); + __ RecordWriteField(edx, HeapObject::kMapOffset, ebx, edi, kDontSaveFPRegs, + OMIT_REMEMBERED_SET, OMIT_SMI_CHECK); } @@ -399,12 +387,8 @@ void ElementsTransitionGenerator::GenerateDoubleToObject( // Set transitioned map. __ bind(&only_change_map); __ mov(FieldOperand(edx, HeapObject::kMapOffset), ebx); - __ RecordWriteField(edx, - HeapObject::kMapOffset, - ebx, - edi, - OMIT_REMEMBERED_SET, - OMIT_SMI_CHECK); + __ RecordWriteField(edx, HeapObject::kMapOffset, ebx, edi, kDontSaveFPRegs, + OMIT_REMEMBERED_SET, OMIT_SMI_CHECK); __ jmp(&success); // Call into runtime if GC is required. @@ -433,10 +417,7 @@ void ElementsTransitionGenerator::GenerateDoubleToObject( __ mov(FieldOperand(edx, HeapNumber::kValueOffset + kPointerSize), esi); __ mov(FieldOperand(eax, ebx, times_2, FixedArray::kHeaderSize), edx); __ mov(esi, ebx); - __ RecordWriteArray(eax, - edx, - esi, - EMIT_REMEMBERED_SET, + __ RecordWriteArray(eax, edx, esi, kDontSaveFPRegs, EMIT_REMEMBERED_SET, OMIT_SMI_CHECK); __ jmp(&entry, Label::kNear); @@ -455,20 +436,12 @@ void ElementsTransitionGenerator::GenerateDoubleToObject( // edx: receiver // Set transitioned map. __ mov(FieldOperand(edx, HeapObject::kMapOffset), ebx); - __ RecordWriteField(edx, - HeapObject::kMapOffset, - ebx, - edi, - OMIT_REMEMBERED_SET, - OMIT_SMI_CHECK); + __ RecordWriteField(edx, HeapObject::kMapOffset, ebx, edi, kDontSaveFPRegs, + OMIT_REMEMBERED_SET, OMIT_SMI_CHECK); // Replace receiver's backing store with newly created and filled FixedArray. __ mov(FieldOperand(edx, JSObject::kElementsOffset), eax); - __ RecordWriteField(edx, - JSObject::kElementsOffset, - eax, - edi, - EMIT_REMEMBERED_SET, - OMIT_SMI_CHECK); + __ RecordWriteField(edx, JSObject::kElementsOffset, eax, edi, kDontSaveFPRegs, + EMIT_REMEMBERED_SET, OMIT_SMI_CHECK); // Restore registers. __ pop(eax); @@ -531,7 +504,7 @@ void StringCharLoadGenerator::Generate(MacroAssembler* masm, __ j(zero, &seq_string, Label::kNear); // Handle external strings. - Label ascii_external, done; + Label one_byte_external, done; if (FLAG_debug_code) { // Assert that we do not have a cons or slice (indirect strings) here. // Sequential strings have already been ruled out. @@ -546,22 +519,22 @@ void StringCharLoadGenerator::Generate(MacroAssembler* masm, STATIC_ASSERT(kTwoByteStringTag == 0); __ test_b(result, kStringEncodingMask); __ mov(result, FieldOperand(string, ExternalString::kResourceDataOffset)); - __ j(not_equal, &ascii_external, Label::kNear); + __ j(not_equal, &one_byte_external, Label::kNear); // Two-byte string. __ movzx_w(result, Operand(result, index, times_2, 0)); __ jmp(&done, Label::kNear); - __ bind(&ascii_external); - // Ascii string. + __ bind(&one_byte_external); + // One-byte string. __ movzx_b(result, Operand(result, index, times_1, 0)); __ jmp(&done, Label::kNear); - // Dispatch on the encoding: ASCII or two-byte. - Label ascii; + // Dispatch on the encoding: one-byte or two-byte. + Label one_byte; __ bind(&seq_string); STATIC_ASSERT((kStringEncodingMask & kOneByteStringTag) != 0); STATIC_ASSERT((kStringEncodingMask & kTwoByteStringTag) == 0); __ test(result, Immediate(kStringEncodingMask)); - __ j(not_zero, &ascii, Label::kNear); + __ j(not_zero, &one_byte, Label::kNear); // Two-byte string. // Load the two-byte character code into the result register. @@ -571,9 +544,9 @@ void StringCharLoadGenerator::Generate(MacroAssembler* masm, SeqTwoByteString::kHeaderSize)); __ jmp(&done, Label::kNear); - // Ascii string. + // One-byte string. // Load the byte into the result register. - __ bind(&ascii); + __ bind(&one_byte); __ movzx_b(result, FieldOperand(string, index, times_1, |