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Issue 11363086: Move vldr in DoLoadKeyedFastDoubleElement before the hole check (Closed) Base URL: http://v8.googlecode.com/svn/branches/bleeding_edge/
Patch Set: Created 8 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
(...skipping 2975 matching lines...) Expand 10 before | Expand all | Expand 10 after
2986 element_size_shift) + 2986 element_size_shift) +
2987 FixedDoubleArray::kHeaderSize - kHeapObjectTag) 2987 FixedDoubleArray::kHeaderSize - kHeapObjectTag)
2988 : Operand(key, LSL, shift_size); 2988 : Operand(key, LSL, shift_size);
2989 __ add(elements, elements, operand); 2989 __ add(elements, elements, operand);
2990 if (!key_is_constant) { 2990 if (!key_is_constant) {
2991 __ add(elements, elements, 2991 __ add(elements, elements,
2992 Operand((FixedDoubleArray::kHeaderSize - kHeapObjectTag) + 2992 Operand((FixedDoubleArray::kHeaderSize - kHeapObjectTag) +
2993 (instr->additional_index() << element_size_shift))); 2993 (instr->additional_index() << element_size_shift)));
2994 } 2994 }
2995 2995
2996 __ vldr(result, elements, 0);
2996 if (instr->hydrogen()->RequiresHoleCheck()) { 2997 if (instr->hydrogen()->RequiresHoleCheck()) {
2997 __ ldr(scratch, MemOperand(elements, sizeof(kHoleNanLower32))); 2998 __ ldr(scratch, MemOperand(elements, sizeof(kHoleNanLower32)));
2998 __ cmp(scratch, Operand(kHoleNanUpper32)); 2999 __ cmp(scratch, Operand(kHoleNanUpper32));
2999 DeoptimizeIf(eq, instr->environment()); 3000 DeoptimizeIf(eq, instr->environment());
3000 } 3001 }
3001
3002 __ vldr(result, elements, 0);
3003 } 3002 }
3004 3003
3005 3004
3006 MemOperand LCodeGen::PrepareKeyedOperand(Register key, 3005 MemOperand LCodeGen::PrepareKeyedOperand(Register key,
3007 Register base, 3006 Register base,
3008 bool key_is_constant, 3007 bool key_is_constant,
3009 int constant_key, 3008 int constant_key,
3010 int element_size, 3009 int element_size,
3011 int shift_size, 3010 int shift_size,
3012 int additional_index, 3011 int additional_index,
(...skipping 2667 matching lines...) Expand 10 before | Expand all | Expand 10 after
5680 __ sub(scratch, result, Operand(index, LSL, kPointerSizeLog2 - kSmiTagSize)); 5679 __ sub(scratch, result, Operand(index, LSL, kPointerSizeLog2 - kSmiTagSize));
5681 __ ldr(result, FieldMemOperand(scratch, 5680 __ ldr(result, FieldMemOperand(scratch,
5682 FixedArray::kHeaderSize - kPointerSize)); 5681 FixedArray::kHeaderSize - kPointerSize));
5683 __ bind(&done); 5682 __ bind(&done);
5684 } 5683 }
5685 5684
5686 5685
5687 #undef __ 5686 #undef __
5688 5687
5689 } } // namespace v8::internal 5688 } } // namespace v8::internal
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