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Issue 18650003: Revert "Convert UnaryOpStub to a HydrogenCodeStub" (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Created 7 years, 5 months 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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4356 4356
4357 default: 4357 default:
4358 UNREACHABLE(); 4358 UNREACHABLE();
4359 } 4359 }
4360 } 4360 }
4361 4361
4362 4362
4363 void FullCodeGenerator::EmitUnaryOperation(UnaryOperation* expr, 4363 void FullCodeGenerator::EmitUnaryOperation(UnaryOperation* expr,
4364 const char* comment) { 4364 const char* comment) {
4365 Comment cmt(masm_, comment); 4365 Comment cmt(masm_, comment);
4366 UnaryOpStub stub(expr->op()); 4366 bool can_overwrite = expr->expression()->ResultOverwriteAllowed();
4367 UnaryOverwriteMode overwrite =
4368 can_overwrite ? UNARY_OVERWRITE : UNARY_NO_OVERWRITE;
4369 UnaryOpStub stub(expr->op(), overwrite);
4367 // UnaryOpStub expects the argument to be in the 4370 // UnaryOpStub expects the argument to be in the
4368 // accumulator register eax. 4371 // accumulator register eax.
4369 VisitForAccumulatorValue(expr->expression()); 4372 VisitForAccumulatorValue(expr->expression());
4370 SetSourcePosition(expr->position()); 4373 SetSourcePosition(expr->position());
4371 CallIC(stub.GetCode(isolate()), RelocInfo::CODE_TARGET, 4374 CallIC(stub.GetCode(isolate()), RelocInfo::CODE_TARGET,
4372 expr->UnaryOperationFeedbackId()); 4375 expr->UnaryOperationFeedbackId());
4373 context()->Plug(eax); 4376 context()->Plug(eax);
4374 } 4377 }
4375 4378
4376 4379
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4915 *stack_depth = 0; 4918 *stack_depth = 0;
4916 *context_length = 0; 4919 *context_length = 0;
4917 return previous_; 4920 return previous_;
4918 } 4921 }
4919 4922
4920 #undef __ 4923 #undef __
4921 4924
4922 } } // namespace v8::internal 4925 } } // namespace v8::internal
4923 4926
4924 #endif // V8_TARGET_ARCH_IA32 4927 #endif // V8_TARGET_ARCH_IA32
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