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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_X64 | 7 #if V8_TARGET_ARCH_X64 |
8 | 8 |
9 #include "src/code-factory.h" | 9 #include "src/code-factory.h" |
10 #include "src/code-stubs.h" | 10 #include "src/code-stubs.h" |
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3308 | 3308 |
3309 __ JumpIfSmi(rax, if_false); | 3309 __ JumpIfSmi(rax, if_false); |
3310 __ CmpObjectType(rax, FIRST_SPEC_OBJECT_TYPE, rbx); | 3310 __ CmpObjectType(rax, FIRST_SPEC_OBJECT_TYPE, rbx); |
3311 PrepareForBailoutBeforeSplit(expr, true, if_true, if_false); | 3311 PrepareForBailoutBeforeSplit(expr, true, if_true, if_false); |
3312 Split(above_equal, if_true, if_false, fall_through); | 3312 Split(above_equal, if_true, if_false, fall_through); |
3313 | 3313 |
3314 context()->Plug(if_true, if_false); | 3314 context()->Plug(if_true, if_false); |
3315 } | 3315 } |
3316 | 3316 |
3317 | 3317 |
| 3318 void FullCodeGenerator::EmitIsSimdObject(CallRuntime* expr) { |
| 3319 ZoneList<Expression*>* args = expr->arguments(); |
| 3320 DCHECK(args->length() == 1); |
| 3321 |
| 3322 VisitForAccumulatorValue(args->at(0)); |
| 3323 |
| 3324 Label materialize_true, materialize_false; |
| 3325 Label* if_true = NULL; |
| 3326 Label* if_false = NULL; |
| 3327 Label* fall_through = NULL; |
| 3328 context()->PrepareTest(&materialize_true, &materialize_false, &if_true, |
| 3329 &if_false, &fall_through); |
| 3330 |
| 3331 __ JumpIfSmi(rax, if_false); |
| 3332 Register map = rbx; |
| 3333 __ movp(map, FieldOperand(rax, HeapObject::kMapOffset)); |
| 3334 __ CmpInstanceType(map, FIRST_SIMD_VALUE_TYPE); |
| 3335 __ j(less, if_false); |
| 3336 __ CmpInstanceType(map, LAST_SIMD_VALUE_TYPE); |
| 3337 PrepareForBailoutBeforeSplit(expr, true, if_true, if_false); |
| 3338 Split(less_equal, if_true, if_false, fall_through); |
| 3339 |
| 3340 context()->Plug(if_true, if_false); |
| 3341 } |
| 3342 |
| 3343 |
3318 void FullCodeGenerator::EmitIsUndetectableObject(CallRuntime* expr) { | 3344 void FullCodeGenerator::EmitIsUndetectableObject(CallRuntime* expr) { |
3319 ZoneList<Expression*>* args = expr->arguments(); | 3345 ZoneList<Expression*>* args = expr->arguments(); |
3320 DCHECK(args->length() == 1); | 3346 DCHECK(args->length() == 1); |
3321 | 3347 |
3322 VisitForAccumulatorValue(args->at(0)); | 3348 VisitForAccumulatorValue(args->at(0)); |
3323 | 3349 |
3324 Label materialize_true, materialize_false; | 3350 Label materialize_true, materialize_false; |
3325 Label* if_true = NULL; | 3351 Label* if_true = NULL; |
3326 Label* if_false = NULL; | 3352 Label* if_false = NULL; |
3327 Label* fall_through = NULL; | 3353 Label* fall_through = NULL; |
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5026 Immediate(1 << Map::kIsUndetectable)); | 5052 Immediate(1 << Map::kIsUndetectable)); |
5027 Split(zero, if_true, if_false, fall_through); | 5053 Split(zero, if_true, if_false, fall_through); |
5028 } else if (String::Equals(check, factory->symbol_string())) { | 5054 } else if (String::Equals(check, factory->symbol_string())) { |
5029 __ JumpIfSmi(rax, if_false); | 5055 __ JumpIfSmi(rax, if_false); |
5030 __ CmpObjectType(rax, SYMBOL_TYPE, rdx); | 5056 __ CmpObjectType(rax, SYMBOL_TYPE, rdx); |
5031 Split(equal, if_true, if_false, fall_through); | 5057 Split(equal, if_true, if_false, fall_through); |
5032 } else if (String::Equals(check, factory->float32x4_string())) { | 5058 } else if (String::Equals(check, factory->float32x4_string())) { |
5033 __ JumpIfSmi(rax, if_false); | 5059 __ JumpIfSmi(rax, if_false); |
5034 __ CmpObjectType(rax, FLOAT32X4_TYPE, rdx); | 5060 __ CmpObjectType(rax, FLOAT32X4_TYPE, rdx); |
5035 Split(equal, if_true, if_false, fall_through); | 5061 Split(equal, if_true, if_false, fall_through); |
| 5062 } else if (String::Equals(check, factory->int32x4_string())) { |
| 5063 __ JumpIfSmi(rax, if_false); |
| 5064 __ CmpObjectType(rax, INT32X4_TYPE, rdx); |
| 5065 Split(equal, if_true, if_false, fall_through); |
| 5066 } else if (String::Equals(check, factory->bool32x4_string())) { |
| 5067 __ JumpIfSmi(rax, if_false); |
| 5068 __ CmpObjectType(rax, BOOL32X4_TYPE, rdx); |
| 5069 Split(equal, if_true, if_false, fall_through); |
| 5070 } else if (String::Equals(check, factory->int16x8_string())) { |
| 5071 __ JumpIfSmi(rax, if_false); |
| 5072 __ CmpObjectType(rax, INT16X8_TYPE, rdx); |
| 5073 Split(equal, if_true, if_false, fall_through); |
| 5074 } else if (String::Equals(check, factory->bool16x8_string())) { |
| 5075 __ JumpIfSmi(rax, if_false); |
| 5076 __ CmpObjectType(rax, BOOL16X8_TYPE, rdx); |
| 5077 Split(equal, if_true, if_false, fall_through); |
| 5078 } else if (String::Equals(check, factory->int8x16_string())) { |
| 5079 __ JumpIfSmi(rax, if_false); |
| 5080 __ CmpObjectType(rax, INT8X16_TYPE, rdx); |
| 5081 Split(equal, if_true, if_false, fall_through); |
| 5082 } else if (String::Equals(check, factory->bool8x16_string())) { |
| 5083 __ JumpIfSmi(rax, if_false); |
| 5084 __ CmpObjectType(rax, BOOL8X16_TYPE, rdx); |
| 5085 Split(equal, if_true, if_false, fall_through); |
5036 } else if (String::Equals(check, factory->boolean_string())) { | 5086 } else if (String::Equals(check, factory->boolean_string())) { |
5037 __ CompareRoot(rax, Heap::kTrueValueRootIndex); | 5087 __ CompareRoot(rax, Heap::kTrueValueRootIndex); |
5038 __ j(equal, if_true); | 5088 __ j(equal, if_true); |
5039 __ CompareRoot(rax, Heap::kFalseValueRootIndex); | 5089 __ CompareRoot(rax, Heap::kFalseValueRootIndex); |
5040 Split(equal, if_true, if_false, fall_through); | 5090 Split(equal, if_true, if_false, fall_through); |
5041 } else if (String::Equals(check, factory->undefined_string())) { | 5091 } else if (String::Equals(check, factory->undefined_string())) { |
5042 __ CompareRoot(rax, Heap::kUndefinedValueRootIndex); | 5092 __ CompareRoot(rax, Heap::kUndefinedValueRootIndex); |
5043 __ j(equal, if_true); | 5093 __ j(equal, if_true); |
5044 __ JumpIfSmi(rax, if_false); | 5094 __ JumpIfSmi(rax, if_false); |
5045 // Check for undetectable objects => true. | 5095 // Check for undetectable objects => true. |
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5362 Assembler::target_address_at(call_target_address, | 5412 Assembler::target_address_at(call_target_address, |
5363 unoptimized_code)); | 5413 unoptimized_code)); |
5364 return OSR_AFTER_STACK_CHECK; | 5414 return OSR_AFTER_STACK_CHECK; |
5365 } | 5415 } |
5366 | 5416 |
5367 | 5417 |
5368 } // namespace internal | 5418 } // namespace internal |
5369 } // namespace v8 | 5419 } // namespace v8 |
5370 | 5420 |
5371 #endif // V8_TARGET_ARCH_X64 | 5421 #endif // V8_TARGET_ARCH_X64 |
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