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| 1 // Copyright 2011 the V8 project authors. All rights reserved. | 1 // Copyright 2011 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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| 3152 __ j(not_zero, &slow_case); | 3152 __ j(not_zero, &slow_case); |
| 3153 | 3153 |
| 3154 // Check that both indices are valid. | 3154 // Check that both indices are valid. |
| 3155 __ mov(temp, FieldOperand(object, JSArray::kLengthOffset)); | 3155 __ mov(temp, FieldOperand(object, JSArray::kLengthOffset)); |
| 3156 __ cmp(temp, Operand(index_1)); | 3156 __ cmp(temp, Operand(index_1)); |
| 3157 __ j(below_equal, &slow_case); | 3157 __ j(below_equal, &slow_case); |
| 3158 __ cmp(temp, Operand(index_2)); | 3158 __ cmp(temp, Operand(index_2)); |
| 3159 __ j(below_equal, &slow_case); | 3159 __ j(below_equal, &slow_case); |
| 3160 | 3160 |
| 3161 // Bring addresses into index1 and index2. | 3161 // Bring addresses into index1 and index2. |
| 3162 __ lea(index_1, CodeGenerator::FixedArrayElementOperand(elements, index_1)); | 3162 __ lea(index_1, FixedArrayElementOperand(elements, index_1)); |
| 3163 __ lea(index_2, CodeGenerator::FixedArrayElementOperand(elements, index_2)); | 3163 __ lea(index_2, FixedArrayElementOperand(elements, index_2)); |
| 3164 | 3164 |
| 3165 // Swap elements. Use object and temp as scratch registers. | 3165 // Swap elements. Use object and temp as scratch registers. |
| 3166 __ mov(object, Operand(index_1, 0)); | 3166 __ mov(object, Operand(index_1, 0)); |
| 3167 __ mov(temp, Operand(index_2, 0)); | 3167 __ mov(temp, Operand(index_2, 0)); |
| 3168 __ mov(Operand(index_2, 0), object); | 3168 __ mov(Operand(index_2, 0), object); |
| 3169 __ mov(Operand(index_1, 0), temp); | 3169 __ mov(Operand(index_1, 0), temp); |
| 3170 | 3170 |
| 3171 Label new_space; | 3171 Label new_space; |
| 3172 __ InNewSpace(elements, temp, equal, &new_space); | 3172 __ InNewSpace(elements, temp, equal, &new_space); |
| 3173 | 3173 |
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| 3213 __ mov(cache, | 3213 __ mov(cache, |
| 3214 FieldOperand(cache, GlobalObject::kGlobalContextOffset)); | 3214 FieldOperand(cache, GlobalObject::kGlobalContextOffset)); |
| 3215 __ mov(cache, ContextOperand(cache, Context::JSFUNCTION_RESULT_CACHES_INDEX)); | 3215 __ mov(cache, ContextOperand(cache, Context::JSFUNCTION_RESULT_CACHES_INDEX)); |
| 3216 __ mov(cache, | 3216 __ mov(cache, |
| 3217 FieldOperand(cache, FixedArray::OffsetOfElementAt(cache_id))); | 3217 FieldOperand(cache, FixedArray::OffsetOfElementAt(cache_id))); |
| 3218 | 3218 |
| 3219 Label done, not_found; | 3219 Label done, not_found; |
| 3220 // tmp now holds finger offset as a smi. | 3220 // tmp now holds finger offset as a smi. |
| 3221 ASSERT(kSmiTag == 0 && kSmiTagSize == 1); | 3221 ASSERT(kSmiTag == 0 && kSmiTagSize == 1); |
| 3222 __ mov(tmp, FieldOperand(cache, JSFunctionResultCache::kFingerOffset)); | 3222 __ mov(tmp, FieldOperand(cache, JSFunctionResultCache::kFingerOffset)); |
| 3223 __ cmp(key, CodeGenerator::FixedArrayElementOperand(cache, tmp)); | 3223 __ cmp(key, FixedArrayElementOperand(cache, tmp)); |
| 3224 __ j(not_equal, ¬_found); | 3224 __ j(not_equal, ¬_found); |
| 3225 | 3225 |
| 3226 __ mov(eax, CodeGenerator::FixedArrayElementOperand(cache, tmp, 1)); | 3226 __ mov(eax, FixedArrayElementOperand(cache, tmp, 1)); |
| 3227 __ jmp(&done); | 3227 __ jmp(&done); |
| 3228 | 3228 |
| 3229 __ bind(¬_found); | 3229 __ bind(¬_found); |
| 3230 // Call runtime to perform the lookup. | 3230 // Call runtime to perform the lookup. |
| 3231 __ push(cache); | 3231 __ push(cache); |
| 3232 __ push(key); | 3232 __ push(key); |
| 3233 __ CallRuntime(Runtime::kGetFromCache, 2); | 3233 __ CallRuntime(Runtime::kGetFromCache, 2); |
| 3234 | 3234 |
| 3235 __ bind(&done); | 3235 __ bind(&done); |
| 3236 context()->Plug(eax); | 3236 context()->Plug(eax); |
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| 4348 // And return. | 4348 // And return. |
| 4349 __ ret(0); | 4349 __ ret(0); |
| 4350 } | 4350 } |
| 4351 | 4351 |
| 4352 | 4352 |
| 4353 #undef __ | 4353 #undef __ |
| 4354 | 4354 |
| 4355 } } // namespace v8::internal | 4355 } } // namespace v8::internal |
| 4356 | 4356 |
| 4357 #endif // V8_TARGET_ARCH_IA32 | 4357 #endif // V8_TARGET_ARCH_IA32 |
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