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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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| 174 // The following three instructions must remain together and unmodified | 174 // The following three instructions must remain together and unmodified |
| 175 // for code aging to work properly. | 175 // for code aging to work properly. |
| 176 __ stm(db_w, sp, r1.bit() | cp.bit() | fp.bit() | lr.bit()); | 176 __ stm(db_w, sp, r1.bit() | cp.bit() | fp.bit() | lr.bit()); |
| 177 // Load undefined value here, so the value is ready for the loop | 177 // Load undefined value here, so the value is ready for the loop |
| 178 // below. | 178 // below. |
| 179 __ LoadRoot(ip, Heap::kUndefinedValueRootIndex); | 179 __ LoadRoot(ip, Heap::kUndefinedValueRootIndex); |
| 180 // Adjust FP to point to saved FP. | 180 // Adjust FP to point to saved FP. |
| 181 __ add(fp, sp, Operand(2 * kPointerSize)); | 181 __ add(fp, sp, Operand(2 * kPointerSize)); |
| 182 } | 182 } |
| 183 frame_is_built_ = true; | 183 frame_is_built_ = true; |
| 184 info_->AddNoFrameRange(0, masm_->pc_offset()); |
| 184 } | 185 } |
| 185 | 186 |
| 186 // Reserve space for the stack slots needed by the code. | 187 // Reserve space for the stack slots needed by the code. |
| 187 int slots = GetStackSlotCount(); | 188 int slots = GetStackSlotCount(); |
| 188 if (slots > 0) { | 189 if (slots > 0) { |
| 189 if (FLAG_debug_code) { | 190 if (FLAG_debug_code) { |
| 190 __ sub(sp, sp, Operand(slots * kPointerSize)); | 191 __ sub(sp, sp, Operand(slots * kPointerSize)); |
| 191 __ push(r0); | 192 __ push(r0); |
| 192 __ push(r1); | 193 __ push(r1); |
| 193 __ add(r0, sp, Operand(slots * kPointerSize)); | 194 __ add(r0, sp, Operand(slots * kPointerSize)); |
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| 5972 __ sub(scratch, result, Operand::PointerOffsetFromSmiKey(index)); | 5973 __ sub(scratch, result, Operand::PointerOffsetFromSmiKey(index)); |
| 5973 __ ldr(result, FieldMemOperand(scratch, | 5974 __ ldr(result, FieldMemOperand(scratch, |
| 5974 FixedArray::kHeaderSize - kPointerSize)); | 5975 FixedArray::kHeaderSize - kPointerSize)); |
| 5975 __ bind(&done); | 5976 __ bind(&done); |
| 5976 } | 5977 } |
| 5977 | 5978 |
| 5978 | 5979 |
| 5979 #undef __ | 5980 #undef __ |
| 5980 | 5981 |
| 5981 } } // namespace v8::internal | 5982 } } // namespace v8::internal |
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