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Issue 59153007: Revert "Implement Math.sin, cos and tan using table lookup and spline interpolation." (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Created 7 years, 1 month ago
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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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3755 3755
3756 VisitForStackValue(args->at(0)); 3756 VisitForStackValue(args->at(0));
3757 VisitForStackValue(args->at(1)); 3757 VisitForStackValue(args->at(1));
3758 3758
3759 StringCompareStub stub; 3759 StringCompareStub stub;
3760 __ CallStub(&stub); 3760 __ CallStub(&stub);
3761 context()->Plug(v0); 3761 context()->Plug(v0);
3762 } 3762 }
3763 3763
3764 3764
3765 void FullCodeGenerator::EmitMathLog(CallRuntime* expr) { 3765 void FullCodeGenerator::EmitMathSin(CallRuntime* expr) {
3766 // Load the argument on the stack and call the stub. 3766 // Load the argument on the stack and call the stub.
3767 TranscendentalCacheStub stub(TranscendentalCache::LOG, 3767 TranscendentalCacheStub stub(TranscendentalCache::SIN,
3768 TranscendentalCacheStub::TAGGED); 3768 TranscendentalCacheStub::TAGGED);
3769 ZoneList<Expression*>* args = expr->arguments(); 3769 ZoneList<Expression*>* args = expr->arguments();
3770 ASSERT(args->length() == 1); 3770 ASSERT(args->length() == 1);
3771 VisitForStackValue(args->at(0)); 3771 VisitForStackValue(args->at(0));
3772 __ mov(a0, result_register()); // Stub requires parameter in a0 and on tos. 3772 __ mov(a0, result_register()); // Stub requires parameter in a0 and on tos.
3773 __ CallStub(&stub); 3773 __ CallStub(&stub);
3774 context()->Plug(v0); 3774 context()->Plug(v0);
3775 } 3775 }
3776 3776
3777 3777
3778 void FullCodeGenerator::EmitMathCos(CallRuntime* expr) {
3779 // Load the argument on the stack and call the stub.
3780 TranscendentalCacheStub stub(TranscendentalCache::COS,
3781 TranscendentalCacheStub::TAGGED);
3782 ZoneList<Expression*>* args = expr->arguments();
3783 ASSERT(args->length() == 1);
3784 VisitForStackValue(args->at(0));
3785 __ mov(a0, result_register()); // Stub requires parameter in a0 and on tos.
3786 __ CallStub(&stub);
3787 context()->Plug(v0);
3788 }
3789
3790
3791 void FullCodeGenerator::EmitMathTan(CallRuntime* expr) {
3792 // Load the argument on the stack and call the stub.
3793 TranscendentalCacheStub stub(TranscendentalCache::TAN,
3794 TranscendentalCacheStub::TAGGED);
3795 ZoneList<Expression*>* args = expr->arguments();
3796 ASSERT(args->length() == 1);
3797 VisitForStackValue(args->at(0));
3798 __ mov(a0, result_register()); // Stub requires parameter in a0 and on tos.
3799 __ CallStub(&stub);
3800 context()->Plug(v0);
3801 }
3802
3803
3804 void FullCodeGenerator::EmitMathLog(CallRuntime* expr) {
3805 // Load the argument on the stack and call the stub.
3806 TranscendentalCacheStub stub(TranscendentalCache::LOG,
3807 TranscendentalCacheStub::TAGGED);
3808 ZoneList<Expression*>* args = expr->arguments();
3809 ASSERT(args->length() == 1);
3810 VisitForStackValue(args->at(0));
3811 __ mov(a0, result_register()); // Stub requires parameter in a0 and on tos.
3812 __ CallStub(&stub);
3813 context()->Plug(v0);
3814 }
3815
3816
3778 void FullCodeGenerator::EmitMathSqrt(CallRuntime* expr) { 3817 void FullCodeGenerator::EmitMathSqrt(CallRuntime* expr) {
3779 // Load the argument on the stack and call the runtime function. 3818 // Load the argument on the stack and call the runtime function.
3780 ZoneList<Expression*>* args = expr->arguments(); 3819 ZoneList<Expression*>* args = expr->arguments();
3781 ASSERT(args->length() == 1); 3820 ASSERT(args->length() == 1);
3782 VisitForStackValue(args->at(0)); 3821 VisitForStackValue(args->at(0));
3783 __ CallRuntime(Runtime::kMath_sqrt, 1); 3822 __ CallRuntime(Runtime::kMath_sqrt, 1);
3784 context()->Plug(v0); 3823 context()->Plug(v0);
3785 } 3824 }
3786 3825
3787
3788 void FullCodeGenerator::EmitMathFloor(CallRuntime* expr) {
3789 // Load the argument on the stack and call the runtime function.
3790 ZoneList<Expression*>* args = expr->arguments();
3791 ASSERT(args->length() == 1);
3792 VisitForStackValue(args->at(0));
3793 __ CallRuntime(Runtime::kMath_floor, 1);
3794 context()->Plug(v0);
3795 }
3796
3797 3826
3798 void FullCodeGenerator::EmitCallFunction(CallRuntime* expr) { 3827 void FullCodeGenerator::EmitCallFunction(CallRuntime* expr) {
3799 ZoneList<Expression*>* args = expr->arguments(); 3828 ZoneList<Expression*>* args = expr->arguments();
3800 ASSERT(args->length() >= 2); 3829 ASSERT(args->length() >= 2);
3801 3830
3802 int arg_count = args->length() - 2; // 2 ~ receiver and function. 3831 int arg_count = args->length() - 2; // 2 ~ receiver and function.
3803 for (int i = 0; i < arg_count + 1; i++) { 3832 for (int i = 0; i < arg_count + 1; i++) {
3804 VisitForStackValue(args->at(i)); 3833 VisitForStackValue(args->at(i));
3805 } 3834 }
3806 VisitForAccumulatorValue(args->last()); // Function. 3835 VisitForAccumulatorValue(args->last()); // Function.
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4987 Assembler::target_address_at(pc_immediate_load_address)) == 5016 Assembler::target_address_at(pc_immediate_load_address)) ==
4988 reinterpret_cast<uint32_t>( 5017 reinterpret_cast<uint32_t>(
4989 isolate->builtins()->OsrAfterStackCheck()->entry())); 5018 isolate->builtins()->OsrAfterStackCheck()->entry()));
4990 return OSR_AFTER_STACK_CHECK; 5019 return OSR_AFTER_STACK_CHECK;
4991 } 5020 }
4992 5021
4993 5022
4994 } } // namespace v8::internal 5023 } } // namespace v8::internal
4995 5024
4996 #endif // V8_TARGET_ARCH_MIPS 5025 #endif // V8_TARGET_ARCH_MIPS
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