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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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