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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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1325 __ movq(result, FieldOperand(input, JSValue::kValueOffset)); | 1325 __ movq(result, FieldOperand(input, JSValue::kValueOffset)); |
1326 | 1326 |
1327 __ bind(&done); | 1327 __ bind(&done); |
1328 } | 1328 } |
1329 | 1329 |
1330 | 1330 |
1331 void LCodeGen::DoDateField(LDateField* instr) { | 1331 void LCodeGen::DoDateField(LDateField* instr) { |
1332 Register object = ToRegister(instr->InputAt(0)); | 1332 Register object = ToRegister(instr->InputAt(0)); |
1333 Register result = ToRegister(instr->result()); | 1333 Register result = ToRegister(instr->result()); |
1334 Smi* index = instr->index(); | 1334 Smi* index = instr->index(); |
1335 Label runtime, done; | 1335 Label runtime, done, not_date_object; |
1336 ASSERT(object.is(result)); | 1336 ASSERT(object.is(result)); |
1337 ASSERT(object.is(rax)); | 1337 ASSERT(object.is(rax)); |
1338 | 1338 |
1339 #ifdef DEBUG | 1339 Condition cc = masm()->CheckSmi(object); |
1340 __ AbortIfSmi(object); | 1340 DeoptimizeIf(cc, instr->environment()); |
1341 __ CmpObjectType(object, JS_DATE_TYPE, kScratchRegister); | 1341 __ CmpObjectType(object, JS_DATE_TYPE, kScratchRegister); |
1342 __ Assert(equal, "Trying to get date field from non-date."); | 1342 DeoptimizeIf(not_equal, instr->environment()); |
1343 #endif | |
1344 | 1343 |
1345 if (index->value() == 0) { | 1344 if (index->value() == 0) { |
1346 __ movq(result, FieldOperand(object, JSDate::kValueOffset)); | 1345 __ movq(result, FieldOperand(object, JSDate::kValueOffset)); |
1347 } else { | 1346 } else { |
1348 if (index->value() < JSDate::kFirstUncachedField) { | 1347 if (index->value() < JSDate::kFirstUncachedField) { |
1349 ExternalReference stamp = ExternalReference::date_cache_stamp(isolate()); | 1348 ExternalReference stamp = ExternalReference::date_cache_stamp(isolate()); |
1350 __ movq(kScratchRegister, stamp); | 1349 __ movq(kScratchRegister, stamp); |
1351 __ cmpq(kScratchRegister, FieldOperand(object, | 1350 __ cmpq(kScratchRegister, FieldOperand(object, |
1352 JSDate::kCacheStampOffset)); | 1351 JSDate::kCacheStampOffset)); |
1353 __ j(not_equal, &runtime, Label::kNear); | 1352 __ j(not_equal, &runtime, Label::kNear); |
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1952 | 1951 |
1953 __ CmpObjectType(input, TestType(instr->hydrogen()), kScratchRegister); | 1952 __ CmpObjectType(input, TestType(instr->hydrogen()), kScratchRegister); |
1954 EmitBranch(true_block, false_block, BranchCondition(instr->hydrogen())); | 1953 EmitBranch(true_block, false_block, BranchCondition(instr->hydrogen())); |
1955 } | 1954 } |
1956 | 1955 |
1957 | 1956 |
1958 void LCodeGen::DoGetCachedArrayIndex(LGetCachedArrayIndex* instr) { | 1957 void LCodeGen::DoGetCachedArrayIndex(LGetCachedArrayIndex* instr) { |
1959 Register input = ToRegister(instr->InputAt(0)); | 1958 Register input = ToRegister(instr->InputAt(0)); |
1960 Register result = ToRegister(instr->result()); | 1959 Register result = ToRegister(instr->result()); |
1961 | 1960 |
1962 if (FLAG_debug_code) { | 1961 __ AbortIfNotString(input); |
1963 __ AbortIfNotString(input); | |
1964 } | |
1965 | 1962 |
1966 __ movl(result, FieldOperand(input, String::kHashFieldOffset)); | 1963 __ movl(result, FieldOperand(input, String::kHashFieldOffset)); |
1967 ASSERT(String::kHashShift >= kSmiTagSize); | 1964 ASSERT(String::kHashShift >= kSmiTagSize); |
1968 __ IndexFromHash(result, result); | 1965 __ IndexFromHash(result, result); |
1969 } | 1966 } |
1970 | 1967 |
1971 | 1968 |
1972 void LCodeGen::DoHasCachedArrayIndexAndBranch( | 1969 void LCodeGen::DoHasCachedArrayIndexAndBranch( |
1973 LHasCachedArrayIndexAndBranch* instr) { | 1970 LHasCachedArrayIndexAndBranch* instr) { |
1974 Register input = ToRegister(instr->InputAt(0)); | 1971 Register input = ToRegister(instr->InputAt(0)); |
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5284 FixedArray::kHeaderSize - kPointerSize)); | 5281 FixedArray::kHeaderSize - kPointerSize)); |
5285 __ bind(&done); | 5282 __ bind(&done); |
5286 } | 5283 } |
5287 | 5284 |
5288 | 5285 |
5289 #undef __ | 5286 #undef __ |
5290 | 5287 |
5291 } } // namespace v8::internal | 5288 } } // namespace v8::internal |
5292 | 5289 |
5293 #endif // V8_TARGET_ARCH_X64 | 5290 #endif // V8_TARGET_ARCH_X64 |
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