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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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855 // The unmapped lookup expects that the parameter map is in r2. | 855 // The unmapped lookup expects that the parameter map is in r2. |
856 MemOperand unmapped_location = | 856 MemOperand unmapped_location = |
857 GenerateUnmappedArgumentsLookup(masm, r0, r2, r3, &slow); | 857 GenerateUnmappedArgumentsLookup(masm, r0, r2, r3, &slow); |
858 __ ldr(r2, unmapped_location); | 858 __ ldr(r2, unmapped_location); |
859 __ LoadRoot(r3, Heap::kTheHoleValueRootIndex); | 859 __ LoadRoot(r3, Heap::kTheHoleValueRootIndex); |
860 __ cmp(r2, r3); | 860 __ cmp(r2, r3); |
861 __ b(eq, &slow); | 861 __ b(eq, &slow); |
862 __ mov(r0, r2); | 862 __ mov(r0, r2); |
863 __ Ret(); | 863 __ Ret(); |
864 __ bind(&slow); | 864 __ bind(&slow); |
865 GenerateMiss(masm, false); | 865 GenerateMiss(masm, MISS); |
866 } | 866 } |
867 | 867 |
868 | 868 |
869 void KeyedStoreIC::GenerateNonStrictArguments(MacroAssembler* masm) { | 869 void KeyedStoreIC::GenerateNonStrictArguments(MacroAssembler* masm) { |
870 // ---------- S t a t e -------------- | 870 // ---------- S t a t e -------------- |
871 // -- r0 : value | 871 // -- r0 : value |
872 // -- r1 : key | 872 // -- r1 : key |
873 // -- r2 : receiver | 873 // -- r2 : receiver |
874 // -- lr : return address | 874 // -- lr : return address |
875 // ----------------------------------- | 875 // ----------------------------------- |
876 Label slow, notin; | 876 Label slow, notin; |
877 MemOperand mapped_location = | 877 MemOperand mapped_location = |
878 GenerateMappedArgumentsLookup(masm, r2, r1, r3, r4, r5, ¬in, &slow); | 878 GenerateMappedArgumentsLookup(masm, r2, r1, r3, r4, r5, ¬in, &slow); |
879 __ str(r0, mapped_location); | 879 __ str(r0, mapped_location); |
880 __ add(r6, r3, r5); | 880 __ add(r6, r3, r5); |
881 __ mov(r9, r0); | 881 __ mov(r9, r0); |
882 __ RecordWrite(r3, r6, r9, kLRHasNotBeenSaved, kDontSaveFPRegs); | 882 __ RecordWrite(r3, r6, r9, kLRHasNotBeenSaved, kDontSaveFPRegs); |
883 __ Ret(); | 883 __ Ret(); |
884 __ bind(¬in); | 884 __ bind(¬in); |
885 // The unmapped lookup expects that the parameter map is in r3. | 885 // The unmapped lookup expects that the parameter map is in r3. |
886 MemOperand unmapped_location = | 886 MemOperand unmapped_location = |
887 GenerateUnmappedArgumentsLookup(masm, r1, r3, r4, &slow); | 887 GenerateUnmappedArgumentsLookup(masm, r1, r3, r4, &slow); |
888 __ str(r0, unmapped_location); | 888 __ str(r0, unmapped_location); |
889 __ add(r6, r3, r4); | 889 __ add(r6, r3, r4); |
890 __ mov(r9, r0); | 890 __ mov(r9, r0); |
891 __ RecordWrite(r3, r6, r9, kLRHasNotBeenSaved, kDontSaveFPRegs); | 891 __ RecordWrite(r3, r6, r9, kLRHasNotBeenSaved, kDontSaveFPRegs); |
892 __ Ret(); | 892 __ Ret(); |
893 __ bind(&slow); | 893 __ bind(&slow); |
894 GenerateMiss(masm, false); | 894 GenerateMiss(masm, MISS); |
895 } | 895 } |
896 | 896 |
897 | 897 |
898 void KeyedCallIC::GenerateNonStrictArguments(MacroAssembler* masm, | 898 void KeyedCallIC::GenerateNonStrictArguments(MacroAssembler* masm, |
899 int argc) { | 899 int argc) { |
900 // ----------- S t a t e ------------- | 900 // ----------- S t a t e ------------- |
901 // -- r2 : name | 901 // -- r2 : name |
902 // -- lr : return address | 902 // -- lr : return address |
903 // ----------------------------------- | 903 // ----------------------------------- |
904 Label slow, notin; | 904 Label slow, notin; |
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918 __ b(eq, &slow); | 918 __ b(eq, &slow); |
919 GenerateFunctionTailCall(masm, argc, &slow, r3); | 919 GenerateFunctionTailCall(masm, argc, &slow, r3); |
920 __ bind(&slow); | 920 __ bind(&slow); |
921 GenerateMiss(masm, argc); | 921 GenerateMiss(masm, argc); |
922 } | 922 } |
923 | 923 |
924 | 924 |
925 Object* KeyedLoadIC_Miss(Arguments args); | 925 Object* KeyedLoadIC_Miss(Arguments args); |
926 | 926 |
927 | 927 |
928 void KeyedLoadIC::GenerateMiss(MacroAssembler* masm, bool force_generic) { | 928 void KeyedLoadIC::GenerateMiss(MacroAssembler* masm, ICMissMode miss_mode) { |
929 // ---------- S t a t e -------------- | 929 // ---------- S t a t e -------------- |
930 // -- lr : return address | 930 // -- lr : return address |
931 // -- r0 : key | 931 // -- r0 : key |
932 // -- r1 : receiver | 932 // -- r1 : receiver |
933 // ----------------------------------- | 933 // ----------------------------------- |
934 Isolate* isolate = masm->isolate(); | 934 Isolate* isolate = masm->isolate(); |
935 | 935 |
936 __ IncrementCounter(isolate->counters()->keyed_load_miss(), 1, r3, r4); | 936 __ IncrementCounter(isolate->counters()->keyed_load_miss(), 1, r3, r4); |
937 | 937 |
938 __ Push(r1, r0); | 938 __ Push(r1, r0); |
939 | 939 |
940 // Perform tail call to the entry. | 940 // Perform tail call to the entry. |
941 ExternalReference ref = force_generic | 941 ExternalReference ref = miss_mode == MISS_FORCE_GENERIC |
942 ? ExternalReference(IC_Utility(kKeyedLoadIC_MissForceGeneric), isolate) | 942 ? ExternalReference(IC_Utility(kKeyedLoadIC_MissForceGeneric), isolate) |
943 : ExternalReference(IC_Utility(kKeyedLoadIC_Miss), isolate); | 943 : ExternalReference(IC_Utility(kKeyedLoadIC_Miss), isolate); |
944 | 944 |
945 __ TailCallExternalReference(ref, 2, 1); | 945 __ TailCallExternalReference(ref, 2, 1); |
946 } | 946 } |
947 | 947 |
948 | 948 |
949 void KeyedLoadIC::GenerateRuntimeGetProperty(MacroAssembler* masm) { | 949 void KeyedLoadIC::GenerateRuntimeGetProperty(MacroAssembler* masm) { |
950 // ---------- S t a t e -------------- | 950 // ---------- S t a t e -------------- |
951 // -- lr : return address | 951 // -- lr : return address |
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1151 &miss, // When not a number. | 1151 &miss, // When not a number. |
1152 &miss, // When index out of range. | 1152 &miss, // When index out of range. |
1153 STRING_INDEX_IS_ARRAY_INDEX); | 1153 STRING_INDEX_IS_ARRAY_INDEX); |
1154 char_at_generator.GenerateFast(masm); | 1154 char_at_generator.GenerateFast(masm); |
1155 __ Ret(); | 1155 __ Ret(); |
1156 | 1156 |
1157 StubRuntimeCallHelper call_helper; | 1157 StubRuntimeCallHelper call_helper; |
1158 char_at_generator.GenerateSlow(masm, call_helper); | 1158 char_at_generator.GenerateSlow(masm, call_helper); |
1159 | 1159 |
1160 __ bind(&miss); | 1160 __ bind(&miss); |
1161 GenerateMiss(masm, false); | 1161 GenerateMiss(masm, MISS); |
1162 } | 1162 } |
1163 | 1163 |
1164 | 1164 |
1165 void KeyedLoadIC::GenerateIndexedInterceptor(MacroAssembler* masm) { | 1165 void KeyedLoadIC::GenerateIndexedInterceptor(MacroAssembler* masm) { |
1166 // ---------- S t a t e -------------- | 1166 // ---------- S t a t e -------------- |
1167 // -- lr : return address | 1167 // -- lr : return address |
1168 // -- r0 : key | 1168 // -- r0 : key |
1169 // -- r1 : receiver | 1169 // -- r1 : receiver |
1170 // ----------------------------------- | 1170 // ----------------------------------- |
1171 Label slow; | 1171 Label slow; |
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1191 __ Push(r1, r0); // Receiver, key. | 1191 __ Push(r1, r0); // Receiver, key. |
1192 | 1192 |
1193 // Perform tail call to the entry. | 1193 // Perform tail call to the entry. |
1194 __ TailCallExternalReference( | 1194 __ TailCallExternalReference( |
1195 ExternalReference(IC_Utility(kKeyedLoadPropertyWithInterceptor), | 1195 ExternalReference(IC_Utility(kKeyedLoadPropertyWithInterceptor), |
1196 masm->isolate()), | 1196 masm->isolate()), |
1197 2, | 1197 2, |
1198 1); | 1198 1); |
1199 | 1199 |
1200 __ bind(&slow); | 1200 __ bind(&slow); |
1201 GenerateMiss(masm, false); | 1201 GenerateMiss(masm, MISS); |
1202 } | 1202 } |
1203 | 1203 |
1204 | 1204 |
1205 void KeyedStoreIC::GenerateMiss(MacroAssembler* masm, bool force_generic) { | 1205 void KeyedStoreIC::GenerateMiss(MacroAssembler* masm, ICMissMode miss_mode) { |
1206 // ---------- S t a t e -------------- | 1206 // ---------- S t a t e -------------- |
1207 // -- r0 : value | 1207 // -- r0 : value |
1208 // -- r1 : key | 1208 // -- r1 : key |
1209 // -- r2 : receiver | 1209 // -- r2 : receiver |
1210 // -- lr : return address | 1210 // -- lr : return address |
1211 // ----------------------------------- | 1211 // ----------------------------------- |
1212 | 1212 |
1213 // Push receiver, key and value for runtime call. | 1213 // Push receiver, key and value for runtime call. |
1214 __ Push(r2, r1, r0); | 1214 __ Push(r2, r1, r0); |
1215 | 1215 |
1216 ExternalReference ref = force_generic | 1216 ExternalReference ref = miss_mode == MISS_FORCE_GENERIC |
1217 ? ExternalReference(IC_Utility(kKeyedStoreIC_MissForceGeneric), | 1217 ? ExternalReference(IC_Utility(kKeyedStoreIC_MissForceGeneric), |
1218 masm->isolate()) | 1218 masm->isolate()) |
1219 : ExternalReference(IC_Utility(kKeyedStoreIC_Miss), masm->isolate()); | 1219 : ExternalReference(IC_Utility(kKeyedStoreIC_Miss), masm->isolate()); |
1220 __ TailCallExternalReference(ref, 3, 1); | 1220 __ TailCallExternalReference(ref, 3, 1); |
1221 } | 1221 } |
1222 | 1222 |
1223 | 1223 |
1224 void KeyedStoreIC::GenerateSlow(MacroAssembler* masm) { | 1224 void KeyedStoreIC::GenerateSlow(MacroAssembler* masm) { |
1225 // ---------- S t a t e -------------- | 1225 // ---------- S t a t e -------------- |
1226 // -- r0 : value | 1226 // -- r0 : value |
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1770 } else { | 1770 } else { |
1771 ASSERT(Assembler::GetCondition(branch_instr) == ne); | 1771 ASSERT(Assembler::GetCondition(branch_instr) == ne); |
1772 patcher.EmitCondition(eq); | 1772 patcher.EmitCondition(eq); |
1773 } | 1773 } |
1774 } | 1774 } |
1775 | 1775 |
1776 | 1776 |
1777 } } // namespace v8::internal | 1777 } } // namespace v8::internal |
1778 | 1778 |
1779 #endif // V8_TARGET_ARCH_ARM | 1779 #endif // V8_TARGET_ARCH_ARM |
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