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1 // Copyright 2013 the V8 project authors. All rights reserved. | 1 // Copyright 2013 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_ARM64 | 5 #if V8_TARGET_ARCH_ARM64 |
6 | 6 |
7 #include "src/ast/scopes.h" | 7 #include "src/ast/scopes.h" |
8 #include "src/code-factory.h" | 8 #include "src/code-factory.h" |
9 #include "src/code-stubs.h" | 9 #include "src/code-stubs.h" |
10 #include "src/codegen.h" | 10 #include "src/codegen.h" |
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3138 | 3138 |
3139 __ JumpIfSmi(x0, if_false); | 3139 __ JumpIfSmi(x0, if_false); |
3140 __ CompareObjectType(x0, x10, x11, JS_DATE_TYPE); | 3140 __ CompareObjectType(x0, x10, x11, JS_DATE_TYPE); |
3141 PrepareForBailoutBeforeSplit(expr, true, if_true, if_false); | 3141 PrepareForBailoutBeforeSplit(expr, true, if_true, if_false); |
3142 Split(eq, if_true, if_false, fall_through); | 3142 Split(eq, if_true, if_false, fall_through); |
3143 | 3143 |
3144 context()->Plug(if_true, if_false); | 3144 context()->Plug(if_true, if_false); |
3145 } | 3145 } |
3146 | 3146 |
3147 | 3147 |
| 3148 void FullCodeGenerator::EmitDateField(CallRuntime* expr) { |
| 3149 ZoneList<Expression*>* args = expr->arguments(); |
| 3150 DCHECK(args->length() == 2); |
| 3151 DCHECK_NOT_NULL(args->at(1)->AsLiteral()); |
| 3152 Smi* index = Smi::cast(*(args->at(1)->AsLiteral()->value())); |
| 3153 |
| 3154 VisitForAccumulatorValue(args->at(0)); // Load the object. |
| 3155 |
| 3156 Register object = x0; |
| 3157 Register result = x0; |
| 3158 Register stamp_addr = x10; |
| 3159 Register stamp_cache = x11; |
| 3160 |
| 3161 if (index->value() == 0) { |
| 3162 __ Ldr(result, FieldMemOperand(object, JSDate::kValueOffset)); |
| 3163 } else { |
| 3164 Label runtime, done; |
| 3165 if (index->value() < JSDate::kFirstUncachedField) { |
| 3166 ExternalReference stamp = ExternalReference::date_cache_stamp(isolate()); |
| 3167 __ Mov(stamp_addr, stamp); |
| 3168 __ Ldr(stamp_addr, MemOperand(stamp_addr)); |
| 3169 __ Ldr(stamp_cache, FieldMemOperand(object, JSDate::kCacheStampOffset)); |
| 3170 __ Cmp(stamp_addr, stamp_cache); |
| 3171 __ B(ne, &runtime); |
| 3172 __ Ldr(result, FieldMemOperand(object, JSDate::kValueOffset + |
| 3173 kPointerSize * index->value())); |
| 3174 __ B(&done); |
| 3175 } |
| 3176 |
| 3177 __ Bind(&runtime); |
| 3178 __ Mov(x1, index); |
| 3179 __ CallCFunction(ExternalReference::get_date_field_function(isolate()), 2); |
| 3180 __ Bind(&done); |
| 3181 } |
| 3182 |
| 3183 context()->Plug(result); |
| 3184 } |
| 3185 |
| 3186 |
3148 void FullCodeGenerator::EmitOneByteSeqStringSetChar(CallRuntime* expr) { | 3187 void FullCodeGenerator::EmitOneByteSeqStringSetChar(CallRuntime* expr) { |
3149 ZoneList<Expression*>* args = expr->arguments(); | 3188 ZoneList<Expression*>* args = expr->arguments(); |
3150 DCHECK_EQ(3, args->length()); | 3189 DCHECK_EQ(3, args->length()); |
3151 | 3190 |
3152 Register string = x0; | 3191 Register string = x0; |
3153 Register index = x1; | 3192 Register index = x1; |
3154 Register value = x2; | 3193 Register value = x2; |
3155 Register scratch = x10; | 3194 Register scratch = x10; |
3156 | 3195 |
3157 VisitForStackValue(args->at(0)); // index | 3196 VisitForStackValue(args->at(0)); // index |
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4858 } | 4897 } |
4859 | 4898 |
4860 return INTERRUPT; | 4899 return INTERRUPT; |
4861 } | 4900 } |
4862 | 4901 |
4863 | 4902 |
4864 } // namespace internal | 4903 } // namespace internal |
4865 } // namespace v8 | 4904 } // namespace v8 |
4866 | 4905 |
4867 #endif // V8_TARGET_ARCH_ARM64 | 4906 #endif // V8_TARGET_ARCH_ARM64 |
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