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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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| 148 // ----------- S t a t e ------------- | 148 // ----------- S t a t e ------------- |
| 149 // -- a0 : value | 149 // -- a0 : value |
| 150 // -- a1 : key | 150 // -- a1 : key |
| 151 // -- a2 : receiver | 151 // -- a2 : receiver |
| 152 // -- ra : return address | 152 // -- ra : return address |
| 153 // -- a3 : target map, scratch for subsequent call | 153 // -- a3 : target map, scratch for subsequent call |
| 154 // -- t0 : scratch (elements) | 154 // -- t0 : scratch (elements) |
| 155 // ----------------------------------- | 155 // ----------------------------------- |
| 156 if (mode == TRACK_ALLOCATION_SITE) { | 156 if (mode == TRACK_ALLOCATION_SITE) { |
| 157 ASSERT(allocation_site_info_found != NULL); | 157 ASSERT(allocation_site_info_found != NULL); |
| 158 masm->TestJSArrayForAllocationSiteInfo(a2, t0, | 158 masm->TestJSArrayForAllocationSiteInfo(a2, t0, eq, |
| 159 allocation_site_info_found); | 159 allocation_site_info_found); |
| 160 } | 160 } |
| 161 | 161 |
| 162 // Set transitioned map. | 162 // Set transitioned map. |
| 163 __ sw(a3, FieldMemOperand(a2, HeapObject::kMapOffset)); | 163 __ sw(a3, FieldMemOperand(a2, HeapObject::kMapOffset)); |
| 164 __ RecordWriteField(a2, | 164 __ RecordWriteField(a2, |
| 165 HeapObject::kMapOffset, | 165 HeapObject::kMapOffset, |
| 166 a3, | 166 a3, |
| 167 t5, | 167 t5, |
| 168 kRAHasNotBeenSaved, | 168 kRAHasNotBeenSaved, |
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| 181 // -- ra : return address | 181 // -- ra : return address |
| 182 // -- a3 : target map, scratch for subsequent call | 182 // -- a3 : target map, scratch for subsequent call |
| 183 // -- t0 : scratch (elements) | 183 // -- t0 : scratch (elements) |
| 184 // ----------------------------------- | 184 // ----------------------------------- |
| 185 Label loop, entry, convert_hole, gc_required, only_change_map, done; | 185 Label loop, entry, convert_hole, gc_required, only_change_map, done; |
| 186 bool fpu_supported = CpuFeatures::IsSupported(FPU); | 186 bool fpu_supported = CpuFeatures::IsSupported(FPU); |
| 187 | 187 |
| 188 Register scratch = t6; | 188 Register scratch = t6; |
| 189 | 189 |
| 190 if (mode == TRACK_ALLOCATION_SITE) { | 190 if (mode == TRACK_ALLOCATION_SITE) { |
| 191 masm->TestJSArrayForAllocationSiteInfo(a2, t0, fail); | 191 masm->TestJSArrayForAllocationSiteInfo(a2, t0, eq, fail); |
| 192 } | 192 } |
| 193 | 193 |
| 194 // Check for empty arrays, which only require a map transition and no changes | 194 // Check for empty arrays, which only require a map transition and no changes |
| 195 // to the backing store. | 195 // to the backing store. |
| 196 __ lw(t0, FieldMemOperand(a2, JSObject::kElementsOffset)); | 196 __ lw(t0, FieldMemOperand(a2, JSObject::kElementsOffset)); |
| 197 __ LoadRoot(at, Heap::kEmptyFixedArrayRootIndex); | 197 __ LoadRoot(at, Heap::kEmptyFixedArrayRootIndex); |
| 198 __ Branch(&only_change_map, eq, at, Operand(t0)); | 198 __ Branch(&only_change_map, eq, at, Operand(t0)); |
| 199 | 199 |
| 200 __ push(ra); | 200 __ push(ra); |
| 201 __ lw(t1, FieldMemOperand(t0, FixedArray::kLengthOffset)); | 201 __ lw(t1, FieldMemOperand(t0, FixedArray::kLengthOffset)); |
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| 325 // -- a0 : value | 325 // -- a0 : value |
| 326 // -- a1 : key | 326 // -- a1 : key |
| 327 // -- a2 : receiver | 327 // -- a2 : receiver |
| 328 // -- ra : return address | 328 // -- ra : return address |
| 329 // -- a3 : target map, scratch for subsequent call | 329 // -- a3 : target map, scratch for subsequent call |
| 330 // -- t0 : scratch (elements) | 330 // -- t0 : scratch (elements) |
| 331 // ----------------------------------- | 331 // ----------------------------------- |
| 332 Label entry, loop, convert_hole, gc_required, only_change_map; | 332 Label entry, loop, convert_hole, gc_required, only_change_map; |
| 333 | 333 |
| 334 if (mode == TRACK_ALLOCATION_SITE) { | 334 if (mode == TRACK_ALLOCATION_SITE) { |
| 335 masm->TestJSArrayForAllocationSiteInfo(a2, t0, fail); | 335 masm->TestJSArrayForAllocationSiteInfo(a2, t0, eq, fail); |
| 336 } | 336 } |
| 337 | 337 |
| 338 // Check for empty arrays, which only require a map transition and no changes | 338 // Check for empty arrays, which only require a map transition and no changes |
| 339 // to the backing store. | 339 // to the backing store. |
| 340 __ lw(t0, FieldMemOperand(a2, JSObject::kElementsOffset)); | 340 __ lw(t0, FieldMemOperand(a2, JSObject::kElementsOffset)); |
| 341 __ LoadRoot(at, Heap::kEmptyFixedArrayRootIndex); | 341 __ LoadRoot(at, Heap::kEmptyFixedArrayRootIndex); |
| 342 __ Branch(&only_change_map, eq, at, Operand(t0)); | 342 __ Branch(&only_change_map, eq, at, Operand(t0)); |
| 343 | 343 |
| 344 __ MultiPush(a0.bit() | a1.bit() | a2.bit() | a3.bit() | ra.bit()); | 344 __ MultiPush(a0.bit() | a1.bit() | a2.bit() | a3.bit() | ra.bit()); |
| 345 | 345 |
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| 719 patcher.masm()->dd(reinterpret_cast<uint32_t>(stub->instruction_start())); | 719 patcher.masm()->dd(reinterpret_cast<uint32_t>(stub->instruction_start())); |
| 720 } | 720 } |
| 721 } | 721 } |
| 722 | 722 |
| 723 | 723 |
| 724 #undef __ | 724 #undef __ |
| 725 | 725 |
| 726 } } // namespace v8::internal | 726 } } // namespace v8::internal |
| 727 | 727 |
| 728 #endif // V8_TARGET_ARCH_MIPS | 728 #endif // V8_TARGET_ARCH_MIPS |
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