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1 // Copyright 2006-2008 the V8 project authors. All rights reserved. | 1 // Copyright 2006-2008 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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1182 | 1182 |
1183 GenerateFastArrayLoad( | 1183 GenerateFastArrayLoad( |
1184 masm, receiver, key, r4, r3, r2, r0, NULL, &slow); | 1184 masm, receiver, key, r4, r3, r2, r0, NULL, &slow); |
1185 __ IncrementCounter(&Counters::keyed_load_generic_smi, 1, r2, r3); | 1185 __ IncrementCounter(&Counters::keyed_load_generic_smi, 1, r2, r3); |
1186 __ Ret(); | 1186 __ Ret(); |
1187 | 1187 |
1188 // Check whether the elements is a pixel array. | 1188 // Check whether the elements is a pixel array. |
1189 // r0: key | 1189 // r0: key |
1190 // r1: receiver | 1190 // r1: receiver |
1191 __ bind(&check_pixel_array); | 1191 __ bind(&check_pixel_array); |
1192 __ ldr(r4, FieldMemOperand(r1, JSObject::kElementsOffset)); | 1192 |
1193 __ ldr(r3, FieldMemOperand(r4, HeapObject::kMapOffset)); | 1193 GenerateFastPixelArrayLoad(masm, |
1194 __ LoadRoot(ip, Heap::kPixelArrayMapRootIndex); | 1194 r1, |
1195 __ cmp(r3, ip); | 1195 r0, |
1196 __ b(ne, &check_number_dictionary); | 1196 r3, |
1197 __ ldr(ip, FieldMemOperand(r4, PixelArray::kLengthOffset)); | 1197 r4, |
1198 __ mov(r2, Operand(key, ASR, kSmiTagSize)); | 1198 r2, |
1199 __ cmp(r2, ip); | 1199 r5, |
1200 __ b(hs, &slow); | 1200 r0, |
1201 __ ldr(ip, FieldMemOperand(r4, PixelArray::kExternalPointerOffset)); | 1201 &check_number_dictionary, |
1202 __ ldrb(r2, MemOperand(ip, r2)); | 1202 NULL, |
1203 __ mov(r0, Operand(r2, LSL, kSmiTagSize)); // Tag result as smi. | 1203 &slow); |
1204 __ Ret(); | |
1205 | 1204 |
1206 __ bind(&check_number_dictionary); | 1205 __ bind(&check_number_dictionary); |
1207 // Check whether the elements is a number dictionary. | 1206 // Check whether the elements is a number dictionary. |
1208 // r0: key | 1207 // r0: key |
1209 // r3: elements map | 1208 // r3: elements map |
1210 // r4: elements | 1209 // r4: elements |
1211 __ LoadRoot(ip, Heap::kHashTableMapRootIndex); | 1210 __ LoadRoot(ip, Heap::kHashTableMapRootIndex); |
1212 __ cmp(r3, ip); | 1211 __ cmp(r3, ip); |
1213 __ b(ne, &slow); | 1212 __ b(ne, &slow); |
1214 __ mov(r2, Operand(r0, ASR, kSmiTagSize)); | 1213 __ mov(r2, Operand(r0, ASR, kSmiTagSize)); |
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1705 | 1704 |
1706 | 1705 |
1707 void PatchInlinedSmiCode(Address address) { | 1706 void PatchInlinedSmiCode(Address address) { |
1708 // Currently there is no smi inlining in the ARM full code generator. | 1707 // Currently there is no smi inlining in the ARM full code generator. |
1709 } | 1708 } |
1710 | 1709 |
1711 | 1710 |
1712 } } // namespace v8::internal | 1711 } } // namespace v8::internal |
1713 | 1712 |
1714 #endif // V8_TARGET_ARCH_ARM | 1713 #endif // V8_TARGET_ARCH_ARM |
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