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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 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "src/v8.h" | 5 #include "src/v8.h" |
6 | 6 |
7 #if V8_TARGET_ARCH_ARM | 7 #if V8_TARGET_ARCH_ARM |
8 | 8 |
9 #include "src/arm/assembler-arm.h" | 9 #include "src/arm/assembler-arm.h" |
10 #include "src/code-stubs.h" | 10 #include "src/code-stubs.h" |
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982 __ CompareRoot(r4, Heap::kHeapNumberMapRootIndex); | 982 __ CompareRoot(r4, Heap::kHeapNumberMapRootIndex); |
983 __ b(ne, &non_double_value); | 983 __ b(ne, &non_double_value); |
984 | 984 |
985 // Value is a double. Transition FAST_SMI_ELEMENTS -> | 985 // Value is a double. Transition FAST_SMI_ELEMENTS -> |
986 // FAST_DOUBLE_ELEMENTS and complete the store. | 986 // FAST_DOUBLE_ELEMENTS and complete the store. |
987 __ LoadTransitionedArrayMapConditional(FAST_SMI_ELEMENTS, | 987 __ LoadTransitionedArrayMapConditional(FAST_SMI_ELEMENTS, |
988 FAST_DOUBLE_ELEMENTS, | 988 FAST_DOUBLE_ELEMENTS, |
989 receiver_map, | 989 receiver_map, |
990 r4, | 990 r4, |
991 slow); | 991 slow); |
992 ASSERT(receiver_map.is(r3)); // Transition code expects map in r3 | |
993 AllocationSiteMode mode = AllocationSite::GetMode(FAST_SMI_ELEMENTS, | 992 AllocationSiteMode mode = AllocationSite::GetMode(FAST_SMI_ELEMENTS, |
994 FAST_DOUBLE_ELEMENTS); | 993 FAST_DOUBLE_ELEMENTS); |
995 ElementsTransitionGenerator::GenerateSmiToDouble(masm, mode, slow); | 994 ElementsTransitionGenerator::GenerateSmiToDouble( |
| 995 masm, receiver, key, value, receiver_map, mode, slow); |
996 __ ldr(elements, FieldMemOperand(receiver, JSObject::kElementsOffset)); | 996 __ ldr(elements, FieldMemOperand(receiver, JSObject::kElementsOffset)); |
997 __ jmp(&fast_double_without_map_check); | 997 __ jmp(&fast_double_without_map_check); |
998 | 998 |
999 __ bind(&non_double_value); | 999 __ bind(&non_double_value); |
1000 // Value is not a double, FAST_SMI_ELEMENTS -> FAST_ELEMENTS | 1000 // Value is not a double, FAST_SMI_ELEMENTS -> FAST_ELEMENTS |
1001 __ LoadTransitionedArrayMapConditional(FAST_SMI_ELEMENTS, | 1001 __ LoadTransitionedArrayMapConditional(FAST_SMI_ELEMENTS, |
1002 FAST_ELEMENTS, | 1002 FAST_ELEMENTS, |
1003 receiver_map, | 1003 receiver_map, |
1004 r4, | 1004 r4, |
1005 slow); | 1005 slow); |
1006 ASSERT(receiver_map.is(r3)); // Transition code expects map in r3 | |
1007 mode = AllocationSite::GetMode(FAST_SMI_ELEMENTS, FAST_ELEMENTS); | 1006 mode = AllocationSite::GetMode(FAST_SMI_ELEMENTS, FAST_ELEMENTS); |
1008 ElementsTransitionGenerator::GenerateMapChangeElementsTransition(masm, mode, | 1007 ElementsTransitionGenerator::GenerateMapChangeElementsTransition( |
1009 slow); | 1008 masm, receiver, key, value, receiver_map, mode, slow); |
1010 __ ldr(elements, FieldMemOperand(receiver, JSObject::kElementsOffset)); | 1009 __ ldr(elements, FieldMemOperand(receiver, JSObject::kElementsOffset)); |
1011 __ jmp(&finish_object_store); | 1010 __ jmp(&finish_object_store); |
1012 | 1011 |
1013 __ bind(&transition_double_elements); | 1012 __ bind(&transition_double_elements); |
1014 // Elements are FAST_DOUBLE_ELEMENTS, but value is an Object that's not a | 1013 // Elements are FAST_DOUBLE_ELEMENTS, but value is an Object that's not a |
1015 // HeapNumber. Make sure that the receiver is a Array with FAST_ELEMENTS and | 1014 // HeapNumber. Make sure that the receiver is a Array with FAST_ELEMENTS and |
1016 // transition array from FAST_DOUBLE_ELEMENTS to FAST_ELEMENTS | 1015 // transition array from FAST_DOUBLE_ELEMENTS to FAST_ELEMENTS |
1017 __ LoadTransitionedArrayMapConditional(FAST_DOUBLE_ELEMENTS, | 1016 __ LoadTransitionedArrayMapConditional(FAST_DOUBLE_ELEMENTS, |
1018 FAST_ELEMENTS, | 1017 FAST_ELEMENTS, |
1019 receiver_map, | 1018 receiver_map, |
1020 r4, | 1019 r4, |
1021 slow); | 1020 slow); |
1022 ASSERT(receiver_map.is(r3)); // Transition code expects map in r3 | |
1023 mode = AllocationSite::GetMode(FAST_DOUBLE_ELEMENTS, FAST_ELEMENTS); | 1021 mode = AllocationSite::GetMode(FAST_DOUBLE_ELEMENTS, FAST_ELEMENTS); |
1024 ElementsTransitionGenerator::GenerateDoubleToObject(masm, mode, slow); | 1022 ElementsTransitionGenerator::GenerateDoubleToObject( |
| 1023 masm, receiver, key, value, receiver_map, mode, slow); |
1025 __ ldr(elements, FieldMemOperand(receiver, JSObject::kElementsOffset)); | 1024 __ ldr(elements, FieldMemOperand(receiver, JSObject::kElementsOffset)); |
1026 __ jmp(&finish_object_store); | 1025 __ jmp(&finish_object_store); |
1027 } | 1026 } |
1028 | 1027 |
1029 | 1028 |
1030 void KeyedStoreIC::GenerateGeneric(MacroAssembler* masm, | 1029 void KeyedStoreIC::GenerateGeneric(MacroAssembler* masm, |
1031 StrictMode strict_mode) { | 1030 StrictMode strict_mode) { |
1032 // ---------- S t a t e -------------- | 1031 // ---------- S t a t e -------------- |
1033 // -- r0 : value | 1032 // -- r0 : value |
1034 // -- r1 : key | 1033 // -- r1 : key |
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1286 } else { | 1285 } else { |
1287 ASSERT(Assembler::GetCondition(branch_instr) == ne); | 1286 ASSERT(Assembler::GetCondition(branch_instr) == ne); |
1288 patcher.EmitCondition(eq); | 1287 patcher.EmitCondition(eq); |
1289 } | 1288 } |
1290 } | 1289 } |
1291 | 1290 |
1292 | 1291 |
1293 } } // namespace v8::internal | 1292 } } // namespace v8::internal |
1294 | 1293 |
1295 #endif // V8_TARGET_ARCH_ARM | 1294 #endif // V8_TARGET_ARCH_ARM |
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