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Issue 6312193: Fixed a number of issues on x64 crankshaft port: (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Address comments. Created 9 years, 10 months ago
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1 // Copyright 2011 the V8 project authors. All rights reserved. 1 // Copyright 2011 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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4620 __ TailCallRuntime(Runtime::kStringCompare, 2, 1); 4620 __ TailCallRuntime(Runtime::kStringCompare, 2, 1);
4621 } 4621 }
4622 4622
4623 void ICCompareStub::GenerateSmis(MacroAssembler* masm) { 4623 void ICCompareStub::GenerateSmis(MacroAssembler* masm) {
4624 ASSERT(state_ == CompareIC::SMIS); 4624 ASSERT(state_ == CompareIC::SMIS);
4625 NearLabel miss; 4625 NearLabel miss;
4626 __ JumpIfNotBothSmi(rdx, rax, &miss); 4626 __ JumpIfNotBothSmi(rdx, rax, &miss);
4627 4627
4628 if (GetCondition() == equal) { 4628 if (GetCondition() == equal) {
4629 // For equality we do not care about the sign of the result. 4629 // For equality we do not care about the sign of the result.
4630 __ SmiSub(rax, rax, rdx); 4630 __ subq(rax, rdx);
4631 } else { 4631 } else {
4632 NearLabel done; 4632 NearLabel done;
4633 __ SmiSub(rdx, rdx, rax); 4633 __ subq(rdx, rax);
4634 __ j(no_overflow, &done); 4634 __ j(no_overflow, &done);
4635 // Correct sign of result in case of overflow. 4635 // Correct sign of result in case of overflow.
4636 __ SmiNot(rdx, rdx); 4636 __ SmiNot(rdx, rdx);
4637 __ bind(&done); 4637 __ bind(&done);
4638 __ movq(rax, rdx); 4638 __ movq(rax, rdx);
4639 } 4639 }
4640 __ ret(0); 4640 __ ret(0);
4641 4641
4642 __ bind(&miss); 4642 __ bind(&miss);
4643 GenerateMiss(masm); 4643 GenerateMiss(masm);
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4781 __ Integer32ToSmi(result, result); 4781 __ Integer32ToSmi(result, result);
4782 __ ret(0); 4782 __ ret(0);
4783 } 4783 }
4784 4784
4785 4785
4786 #undef __ 4786 #undef __
4787 4787
4788 } } // namespace v8::internal 4788 } } // namespace v8::internal
4789 4789
4790 #endif // V8_TARGET_ARCH_X64 4790 #endif // V8_TARGET_ARCH_X64
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