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Issue 7741016: Land two MIPS changes contributed by Paul Lind. (Closed) Base URL: http://v8.googlecode.com/svn/branches/bleeding_edge/
Patch Set: Created 9 years, 3 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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878 Label slow, notin; 878 Label slow, notin;
879 MemOperand mapped_location = 879 MemOperand mapped_location =
880 GenerateMappedArgumentsLookup(masm, a1, a0, a2, a3, t0, &notin, &slow); 880 GenerateMappedArgumentsLookup(masm, a1, a0, a2, a3, t0, &notin, &slow);
881 __ lw(v0, mapped_location); 881 __ lw(v0, mapped_location);
882 __ Ret(); 882 __ Ret();
883 __ bind(&notin); 883 __ bind(&notin);
884 // The unmapped lookup expects that the parameter map is in a2. 884 // The unmapped lookup expects that the parameter map is in a2.
885 MemOperand unmapped_location = 885 MemOperand unmapped_location =
886 GenerateUnmappedArgumentsLookup(masm, a0, a2, a3, &slow); 886 GenerateUnmappedArgumentsLookup(masm, a0, a2, a3, &slow);
887 __ lw(a2, unmapped_location); 887 __ lw(a2, unmapped_location);
888 __ LoadRoot(a3, Heap::kTheHoleValueRootIndex);
888 __ Branch(&slow, eq, a2, Operand(a3)); 889 __ Branch(&slow, eq, a2, Operand(a3));
889 __ LoadRoot(a3, Heap::kTheHoleValueRootIndex);
890 __ mov(v0, a2); 890 __ mov(v0, a2);
891 __ Ret(); 891 __ Ret();
892 __ bind(&slow); 892 __ bind(&slow);
893 GenerateMiss(masm, false); 893 GenerateMiss(masm, false);
894 } 894 }
895 895
896 896
897 void KeyedStoreIC::GenerateNonStrictArguments(MacroAssembler* masm) { 897 void KeyedStoreIC::GenerateNonStrictArguments(MacroAssembler* masm) {
898 // ---------- S t a t e -------------- 898 // ---------- S t a t e --------------
899 // -- a0 : value 899 // -- a0 : value
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1631 Register reg = Register::from_code(Assembler::GetRs(instr_at_patch)); 1631 Register reg = Register::from_code(Assembler::GetRs(instr_at_patch));
1632 patcher.masm()->andi(at, reg, kSmiTagMask); 1632 patcher.masm()->andi(at, reg, kSmiTagMask);
1633 patcher.ChangeBranchCondition(eq); 1633 patcher.ChangeBranchCondition(eq);
1634 } 1634 }
1635 } 1635 }
1636 1636
1637 1637
1638 } } // namespace v8::internal 1638 } } // namespace v8::internal
1639 1639
1640 #endif // V8_TARGET_ARCH_MIPS 1640 #endif // V8_TARGET_ARCH_MIPS
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