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Issue 551093: Implementing inline caches for GenericBinaryOpStub. ... (Closed) Base URL: http://v8.googlecode.com/svn/branches/bleeding_edge/
Patch Set: '' Created 10 years, 11 months ago
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1 // Copyright 2006-2009 the V8 project authors. All rights reserved. 1 // Copyright 2006-2009 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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6002 break; 6002 break;
6003 } 6003 }
6004 6004
6005 default: UNREACHABLE(); 6005 default: UNREACHABLE();
6006 } 6006 }
6007 // This code should be unreachable. 6007 // This code should be unreachable.
6008 __ stop("Unreachable"); 6008 __ stop("Unreachable");
6009 } 6009 }
6010 6010
6011 6011
6012 Code* GetBinaryOpStub(int minor_key) {
6013 return NULL;
6014 }
6015
6016
6017 #ifdef DEBUG
6018 void TraceBinaryOp(int old_key, int new_key) {}
6019 #endif // DEBUG
6020
6021
6012 void StackCheckStub::Generate(MacroAssembler* masm) { 6022 void StackCheckStub::Generate(MacroAssembler* masm) {
6013 // Do tail-call to runtime routine. Runtime routines expect at least one 6023 // Do tail-call to runtime routine. Runtime routines expect at least one
6014 // argument, so give it a Smi. 6024 // argument, so give it a Smi.
6015 __ mov(r0, Operand(Smi::FromInt(0))); 6025 __ mov(r0, Operand(Smi::FromInt(0)));
6016 __ push(r0); 6026 __ push(r0);
6017 __ TailCallRuntime(ExternalReference(Runtime::kStackGuard), 1, 1); 6027 __ TailCallRuntime(ExternalReference(Runtime::kStackGuard), 1, 1);
6018 6028
6019 __ StubReturn(1); 6029 __ StubReturn(1);
6020 } 6030 }
6021 6031
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6719 ASSERT((static_cast<unsigned>(cc_) >> 26) < (1 << 16)); 6729 ASSERT((static_cast<unsigned>(cc_) >> 26) < (1 << 16));
6720 int nnn_value = (never_nan_nan_ ? 2 : 0); 6730 int nnn_value = (never_nan_nan_ ? 2 : 0);
6721 if (cc_ != eq) nnn_value = 0; // Avoid duplicate stubs. 6731 if (cc_ != eq) nnn_value = 0; // Avoid duplicate stubs.
6722 return (static_cast<unsigned>(cc_) >> 26) | nnn_value | (strict_ ? 1 : 0); 6732 return (static_cast<unsigned>(cc_) >> 26) | nnn_value | (strict_ ? 1 : 0);
6723 } 6733 }
6724 6734
6725 6735
6726 #undef __ 6736 #undef __
6727 6737
6728 } } // namespace v8::internal 6738 } } // namespace v8::internal
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