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1 // Copyright 2010 the V8 project authors. All rights reserved. | 1 // Copyright 2010 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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32 | 32 |
33 namespace v8 { | 33 namespace v8 { |
34 namespace internal { | 34 namespace internal { |
35 | 35 |
36 #define __ ACCESS_MASM(masm()) | 36 #define __ ACCESS_MASM(masm()) |
37 | 37 |
38 Register FastCodeGenerator::accumulator0() { return r0; } | 38 Register FastCodeGenerator::accumulator0() { return r0; } |
39 Register FastCodeGenerator::accumulator1() { return r1; } | 39 Register FastCodeGenerator::accumulator1() { return r1; } |
40 Register FastCodeGenerator::scratch0() { return r3; } | 40 Register FastCodeGenerator::scratch0() { return r3; } |
41 Register FastCodeGenerator::scratch1() { return r4; } | 41 Register FastCodeGenerator::scratch1() { return r4; } |
| 42 Register FastCodeGenerator::scratch2() { return r5; } |
42 Register FastCodeGenerator::receiver_reg() { return r2; } | 43 Register FastCodeGenerator::receiver_reg() { return r2; } |
43 Register FastCodeGenerator::context_reg() { return cp; } | 44 Register FastCodeGenerator::context_reg() { return cp; } |
44 | 45 |
45 | 46 |
46 void FastCodeGenerator::EmitLoadReceiver() { | 47 void FastCodeGenerator::EmitLoadReceiver() { |
47 // Offset 2 is due to return address and saved frame pointer. | 48 // Offset 2 is due to return address and saved frame pointer. |
48 int index = 2 + scope()->num_parameters(); | 49 int index = 2 + scope()->num_parameters(); |
49 __ ldr(receiver_reg(), MemOperand(sp, index * kPointerSize)); | 50 __ ldr(receiver_reg(), MemOperand(sp, index * kPointerSize)); |
50 } | 51 } |
51 | 52 |
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92 } | 93 } |
93 } else { | 94 } else { |
94 offset += FixedArray::kHeaderSize; | 95 offset += FixedArray::kHeaderSize; |
95 __ ldr(scratch0(), | 96 __ ldr(scratch0(), |
96 FieldMemOperand(receiver_reg(), JSObject::kPropertiesOffset)); | 97 FieldMemOperand(receiver_reg(), JSObject::kPropertiesOffset)); |
97 __ str(accumulator0(), FieldMemOperand(scratch0(), offset)); | 98 __ str(accumulator0(), FieldMemOperand(scratch0(), offset)); |
98 } | 99 } |
99 | 100 |
100 if (needs_write_barrier) { | 101 if (needs_write_barrier) { |
101 __ mov(scratch1(), Operand(offset)); | 102 __ mov(scratch1(), Operand(offset)); |
102 __ RecordWrite(scratch0(), scratch1(), ip); | 103 __ RecordWrite(scratch0(), scratch1(), scratch2()); |
103 } | 104 } |
104 | 105 |
105 if (destination().is(accumulator1())) { | 106 if (destination().is(accumulator1())) { |
106 __ mov(accumulator1(), accumulator0()); | 107 __ mov(accumulator1(), accumulator0()); |
107 if (is_smi(accumulator0())) { | 108 if (is_smi(accumulator0())) { |
108 set_as_smi(accumulator1()); | 109 set_as_smi(accumulator1()); |
109 } else { | 110 } else { |
110 clear_as_smi(accumulator1()); | 111 clear_as_smi(accumulator1()); |
111 } | 112 } |
112 } | 113 } |
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227 int32_t sp_delta = (scope()->num_parameters() + 1) * kPointerSize; | 228 int32_t sp_delta = (scope()->num_parameters() + 1) * kPointerSize; |
228 __ add(sp, sp, Operand(sp_delta)); | 229 __ add(sp, sp, Operand(sp_delta)); |
229 __ Jump(lr); | 230 __ Jump(lr); |
230 } | 231 } |
231 | 232 |
232 | 233 |
233 #undef __ | 234 #undef __ |
234 | 235 |
235 | 236 |
236 } } // namespace v8::internal | 237 } } // namespace v8::internal |
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