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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 #if V8_TARGET_ARCH_X87 | 5 #if V8_TARGET_ARCH_X87 |
6 | 6 |
7 #include "src/crankshaft/x87/lithium-codegen-x87.h" | 7 #include "src/crankshaft/x87/lithium-codegen-x87.h" |
8 | 8 |
9 #include "src/base/bits.h" | 9 #include "src/base/bits.h" |
10 #include "src/code-factory.h" | 10 #include "src/code-factory.h" |
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1945 } | 1945 } |
1946 | 1946 |
1947 | 1947 |
1948 void LCodeGen::DoMapEnumLength(LMapEnumLength* instr) { | 1948 void LCodeGen::DoMapEnumLength(LMapEnumLength* instr) { |
1949 Register result = ToRegister(instr->result()); | 1949 Register result = ToRegister(instr->result()); |
1950 Register map = ToRegister(instr->value()); | 1950 Register map = ToRegister(instr->value()); |
1951 __ EnumLength(result, map); | 1951 __ EnumLength(result, map); |
1952 } | 1952 } |
1953 | 1953 |
1954 | 1954 |
| 1955 void LCodeGen::DoDateField(LDateField* instr) { |
| 1956 Register object = ToRegister(instr->date()); |
| 1957 Register result = ToRegister(instr->result()); |
| 1958 Register scratch = ToRegister(instr->temp()); |
| 1959 Smi* index = instr->index(); |
| 1960 DCHECK(object.is(result)); |
| 1961 DCHECK(object.is(eax)); |
| 1962 |
| 1963 if (index->value() == 0) { |
| 1964 __ mov(result, FieldOperand(object, JSDate::kValueOffset)); |
| 1965 } else { |
| 1966 Label runtime, done; |
| 1967 if (index->value() < JSDate::kFirstUncachedField) { |
| 1968 ExternalReference stamp = ExternalReference::date_cache_stamp(isolate()); |
| 1969 __ mov(scratch, Operand::StaticVariable(stamp)); |
| 1970 __ cmp(scratch, FieldOperand(object, JSDate::kCacheStampOffset)); |
| 1971 __ j(not_equal, &runtime, Label::kNear); |
| 1972 __ mov(result, FieldOperand(object, JSDate::kValueOffset + |
| 1973 kPointerSize * index->value())); |
| 1974 __ jmp(&done, Label::kNear); |
| 1975 } |
| 1976 __ bind(&runtime); |
| 1977 __ PrepareCallCFunction(2, scratch); |
| 1978 __ mov(Operand(esp, 0), object); |
| 1979 __ mov(Operand(esp, 1 * kPointerSize), Immediate(index)); |
| 1980 __ CallCFunction(ExternalReference::get_date_field_function(isolate()), 2); |
| 1981 __ bind(&done); |
| 1982 } |
| 1983 } |
| 1984 |
| 1985 |
1955 Operand LCodeGen::BuildSeqStringOperand(Register string, | 1986 Operand LCodeGen::BuildSeqStringOperand(Register string, |
1956 LOperand* index, | 1987 LOperand* index, |
1957 String::Encoding encoding) { | 1988 String::Encoding encoding) { |
1958 if (index->IsConstantOperand()) { | 1989 if (index->IsConstantOperand()) { |
1959 int offset = ToRepresentation(LConstantOperand::cast(index), | 1990 int offset = ToRepresentation(LConstantOperand::cast(index), |
1960 Representation::Integer32()); | 1991 Representation::Integer32()); |
1961 if (encoding == String::TWO_BYTE_ENCODING) { | 1992 if (encoding == String::TWO_BYTE_ENCODING) { |
1962 offset *= kUC16Size; | 1993 offset *= kUC16Size; |
1963 } | 1994 } |
1964 STATIC_ASSERT(kCharSize == 1); | 1995 STATIC_ASSERT(kCharSize == 1); |
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6029 RecordSafepoint(Safepoint::kNoLazyDeopt); | 6060 RecordSafepoint(Safepoint::kNoLazyDeopt); |
6030 } | 6061 } |
6031 | 6062 |
6032 | 6063 |
6033 #undef __ | 6064 #undef __ |
6034 | 6065 |
6035 } // namespace internal | 6066 } // namespace internal |
6036 } // namespace v8 | 6067 } // namespace v8 |
6037 | 6068 |
6038 #endif // V8_TARGET_ARCH_X87 | 6069 #endif // V8_TARGET_ARCH_X87 |
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