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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 #include "v8.h" | 5 #include "v8.h" |
6 | 6 |
7 #if V8_TARGET_ARCH_ARM64 | 7 #if V8_TARGET_ARCH_ARM64 |
8 | 8 |
9 #include "code-stubs.h" | 9 #include "code-stubs.h" |
10 #include "codegen.h" | 10 #include "codegen.h" |
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3058 __ Bind(&null); | 3058 __ Bind(&null); |
3059 __ LoadRoot(x0, Heap::kNullValueRootIndex); | 3059 __ LoadRoot(x0, Heap::kNullValueRootIndex); |
3060 | 3060 |
3061 // All done. | 3061 // All done. |
3062 __ Bind(&done); | 3062 __ Bind(&done); |
3063 | 3063 |
3064 context()->Plug(x0); | 3064 context()->Plug(x0); |
3065 } | 3065 } |
3066 | 3066 |
3067 | 3067 |
3068 void FullCodeGenerator::EmitLog(CallRuntime* expr) { | |
3069 // Conditionally generate a log call. | |
3070 // Args: | |
3071 // 0 (literal string): The type of logging (corresponds to the flags). | |
3072 // This is used to determine whether or not to generate the log call. | |
3073 // 1 (string): Format string. Access the string at argument index 2 | |
3074 // with '%2s' (see Logger::LogRuntime for all the formats). | |
3075 // 2 (array): Arguments to the format string. | |
3076 ZoneList<Expression*>* args = expr->arguments(); | |
3077 ASSERT_EQ(args->length(), 3); | |
3078 if (CodeGenerator::ShouldGenerateLog(isolate(), args->at(0))) { | |
3079 VisitForStackValue(args->at(1)); | |
3080 VisitForStackValue(args->at(2)); | |
3081 __ CallRuntime(Runtime::kHiddenLog, 2); | |
3082 } | |
3083 | |
3084 // Finally, we're expected to leave a value on the top of the stack. | |
3085 __ LoadRoot(x0, Heap::kUndefinedValueRootIndex); | |
3086 context()->Plug(x0); | |
3087 } | |
3088 | |
3089 | |
3090 void FullCodeGenerator::EmitSubString(CallRuntime* expr) { | 3068 void FullCodeGenerator::EmitSubString(CallRuntime* expr) { |
3091 // Load the arguments on the stack and call the stub. | 3069 // Load the arguments on the stack and call the stub. |
3092 SubStringStub stub(isolate()); | 3070 SubStringStub stub(isolate()); |
3093 ZoneList<Expression*>* args = expr->arguments(); | 3071 ZoneList<Expression*>* args = expr->arguments(); |
3094 ASSERT(args->length() == 3); | 3072 ASSERT(args->length() == 3); |
3095 VisitForStackValue(args->at(0)); | 3073 VisitForStackValue(args->at(0)); |
3096 VisitForStackValue(args->at(1)); | 3074 VisitForStackValue(args->at(1)); |
3097 VisitForStackValue(args->at(2)); | 3075 VisitForStackValue(args->at(2)); |
3098 __ CallStub(&stub); | 3076 __ CallStub(&stub); |
3099 context()->Plug(x0); | 3077 context()->Plug(x0); |
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4931 return previous_; | 4909 return previous_; |
4932 } | 4910 } |
4933 | 4911 |
4934 | 4912 |
4935 #undef __ | 4913 #undef __ |
4936 | 4914 |
4937 | 4915 |
4938 } } // namespace v8::internal | 4916 } } // namespace v8::internal |
4939 | 4917 |
4940 #endif // V8_TARGET_ARCH_ARM64 | 4918 #endif // V8_TARGET_ARCH_ARM64 |
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