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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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| 2891 BitVector* doubles = chunk()->allocated_double_registers(); | 2891 BitVector* doubles = chunk()->allocated_double_registers(); |
| 2892 BitVector::Iterator save_iterator(doubles); | 2892 BitVector::Iterator save_iterator(doubles); |
| 2893 int count = 0; | 2893 int count = 0; |
| 2894 while (!save_iterator.Done()) { | 2894 while (!save_iterator.Done()) { |
| 2895 __ vldr(DwVfpRegister::FromAllocationIndex(save_iterator.Current()), | 2895 __ vldr(DwVfpRegister::FromAllocationIndex(save_iterator.Current()), |
| 2896 MemOperand(sp, count * kDoubleSize)); | 2896 MemOperand(sp, count * kDoubleSize)); |
| 2897 save_iterator.Advance(); | 2897 save_iterator.Advance(); |
| 2898 count++; | 2898 count++; |
| 2899 } | 2899 } |
| 2900 } | 2900 } |
| 2901 int no_frame_start = -1; |
| 2901 if (NeedsEagerFrame()) { | 2902 if (NeedsEagerFrame()) { |
| 2902 __ mov(sp, fp); | 2903 __ mov(sp, fp); |
| 2903 __ ldm(ia_w, sp, fp.bit() | lr.bit()); | 2904 __ ldm(ia_w, sp, fp.bit() | lr.bit()); |
| 2905 no_frame_start = masm_->pc_offset(); |
| 2904 } | 2906 } |
| 2905 if (instr->has_constant_parameter_count()) { | 2907 if (instr->has_constant_parameter_count()) { |
| 2906 int parameter_count = ToInteger32(instr->constant_parameter_count()); | 2908 int parameter_count = ToInteger32(instr->constant_parameter_count()); |
| 2907 int32_t sp_delta = (parameter_count + 1) * kPointerSize; | 2909 int32_t sp_delta = (parameter_count + 1) * kPointerSize; |
| 2908 if (sp_delta != 0) { | 2910 if (sp_delta != 0) { |
| 2909 __ add(sp, sp, Operand(sp_delta)); | 2911 __ add(sp, sp, Operand(sp_delta)); |
| 2910 } | 2912 } |
| 2911 } else { | 2913 } else { |
| 2912 Register reg = ToRegister(instr->parameter_count()); | 2914 Register reg = ToRegister(instr->parameter_count()); |
| 2913 // The argument count parameter is a smi | 2915 // The argument count parameter is a smi |
| 2914 __ SmiUntag(reg); | 2916 __ SmiUntag(reg); |
| 2915 __ add(sp, sp, Operand(reg, LSL, kPointerSizeLog2)); | 2917 __ add(sp, sp, Operand(reg, LSL, kPointerSizeLog2)); |
| 2916 } | 2918 } |
| 2917 | 2919 |
| 2918 __ Jump(lr); | 2920 __ Jump(lr); |
| 2921 |
| 2922 if (no_frame_start != -1) { |
| 2923 info_->AddNoFrameRange(no_frame_start, masm_->pc_offset()); |
| 2924 } |
| 2919 } | 2925 } |
| 2920 | 2926 |
| 2921 | 2927 |
| 2922 void LCodeGen::DoLoadGlobalCell(LLoadGlobalCell* instr) { | 2928 void LCodeGen::DoLoadGlobalCell(LLoadGlobalCell* instr) { |
| 2923 Register result = ToRegister(instr->result()); | 2929 Register result = ToRegister(instr->result()); |
| 2924 __ mov(ip, Operand(Handle<Object>(instr->hydrogen()->cell()))); | 2930 __ mov(ip, Operand(Handle<Object>(instr->hydrogen()->cell()))); |
| 2925 __ ldr(result, FieldMemOperand(ip, JSGlobalPropertyCell::kValueOffset)); | 2931 __ ldr(result, FieldMemOperand(ip, JSGlobalPropertyCell::kValueOffset)); |
| 2926 if (instr->hydrogen()->RequiresHoleCheck()) { | 2932 if (instr->hydrogen()->RequiresHoleCheck()) { |
| 2927 __ LoadRoot(ip, Heap::kTheHoleValueRootIndex); | 2933 __ LoadRoot(ip, Heap::kTheHoleValueRootIndex); |
| 2928 __ cmp(result, ip); | 2934 __ cmp(result, ip); |
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| 5899 __ sub(scratch, result, Operand(index, LSL, kPointerSizeLog2 - kSmiTagSize)); | 5905 __ sub(scratch, result, Operand(index, LSL, kPointerSizeLog2 - kSmiTagSize)); |
| 5900 __ ldr(result, FieldMemOperand(scratch, | 5906 __ ldr(result, FieldMemOperand(scratch, |
| 5901 FixedArray::kHeaderSize - kPointerSize)); | 5907 FixedArray::kHeaderSize - kPointerSize)); |
| 5902 __ bind(&done); | 5908 __ bind(&done); |
| 5903 } | 5909 } |
| 5904 | 5910 |
| 5905 | 5911 |
| 5906 #undef __ | 5912 #undef __ |
| 5907 | 5913 |
| 5908 } } // namespace v8::internal | 5914 } } // namespace v8::internal |
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