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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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| 3192 Register tmp = ecx; | 3192 Register tmp = ecx; |
| 3193 __ mov(cache, ContextOperand(esi, Context::GLOBAL_INDEX)); | 3193 __ mov(cache, ContextOperand(esi, Context::GLOBAL_INDEX)); |
| 3194 __ mov(cache, | 3194 __ mov(cache, |
| 3195 FieldOperand(cache, GlobalObject::kGlobalContextOffset)); | 3195 FieldOperand(cache, GlobalObject::kGlobalContextOffset)); |
| 3196 __ mov(cache, ContextOperand(cache, Context::JSFUNCTION_RESULT_CACHES_INDEX)); | 3196 __ mov(cache, ContextOperand(cache, Context::JSFUNCTION_RESULT_CACHES_INDEX)); |
| 3197 __ mov(cache, | 3197 __ mov(cache, |
| 3198 FieldOperand(cache, FixedArray::OffsetOfElementAt(cache_id))); | 3198 FieldOperand(cache, FixedArray::OffsetOfElementAt(cache_id))); |
| 3199 | 3199 |
| 3200 Label done, not_found; | 3200 Label done, not_found; |
| 3201 // tmp now holds finger offset as a smi. | 3201 // tmp now holds finger offset as a smi. |
| 3202 ASSERT(kSmiTag == 0 && kSmiTagSize == 1); | 3202 STATIC_ASSERT(kSmiTag == 0 && kSmiTagSize == 1); |
| 3203 __ mov(tmp, FieldOperand(cache, JSFunctionResultCache::kFingerOffset)); | 3203 __ mov(tmp, FieldOperand(cache, JSFunctionResultCache::kFingerOffset)); |
| 3204 __ cmp(key, CodeGenerator::FixedArrayElementOperand(cache, tmp)); | 3204 __ cmp(key, CodeGenerator::FixedArrayElementOperand(cache, tmp)); |
| 3205 __ j(not_equal, ¬_found); | 3205 __ j(not_equal, ¬_found); |
| 3206 | 3206 |
| 3207 __ mov(eax, CodeGenerator::FixedArrayElementOperand(cache, tmp, 1)); | 3207 __ mov(eax, CodeGenerator::FixedArrayElementOperand(cache, tmp, 1)); |
| 3208 __ jmp(&done); | 3208 __ jmp(&done); |
| 3209 | 3209 |
| 3210 __ bind(¬_found); | 3210 __ bind(¬_found); |
| 3211 // Call runtime to perform the lookup. | 3211 // Call runtime to perform the lookup. |
| 3212 __ push(cache); | 3212 __ push(cache); |
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| 4235 | 4235 |
| 4236 | 4236 |
| 4237 // ---------------------------------------------------------------------------- | 4237 // ---------------------------------------------------------------------------- |
| 4238 // Non-local control flow support. | 4238 // Non-local control flow support. |
| 4239 | 4239 |
| 4240 void FullCodeGenerator::EnterFinallyBlock() { | 4240 void FullCodeGenerator::EnterFinallyBlock() { |
| 4241 // Cook return address on top of stack (smi encoded Code* delta) | 4241 // Cook return address on top of stack (smi encoded Code* delta) |
| 4242 ASSERT(!result_register().is(edx)); | 4242 ASSERT(!result_register().is(edx)); |
| 4243 __ pop(edx); | 4243 __ pop(edx); |
| 4244 __ sub(Operand(edx), Immediate(masm_->CodeObject())); | 4244 __ sub(Operand(edx), Immediate(masm_->CodeObject())); |
| 4245 ASSERT_EQ(1, kSmiTagSize + kSmiShiftSize); | 4245 STATIC_ASSERT(kSmiTagSize + kSmiShiftSize == 1); |
| 4246 ASSERT_EQ(0, kSmiTag); | 4246 STATIC_ASSERT(kSmiTag == 0); |
| 4247 __ SmiTag(edx); | 4247 __ SmiTag(edx); |
| 4248 __ push(edx); | 4248 __ push(edx); |
| 4249 // Store result register while executing finally block. | 4249 // Store result register while executing finally block. |
| 4250 __ push(result_register()); | 4250 __ push(result_register()); |
| 4251 } | 4251 } |
| 4252 | 4252 |
| 4253 | 4253 |
| 4254 void FullCodeGenerator::ExitFinallyBlock() { | 4254 void FullCodeGenerator::ExitFinallyBlock() { |
| 4255 ASSERT(!result_register().is(edx)); | 4255 ASSERT(!result_register().is(edx)); |
| 4256 __ pop(result_register()); | 4256 __ pop(result_register()); |
| 4257 // Uncook return address. | 4257 // Uncook return address. |
| 4258 __ pop(edx); | 4258 __ pop(edx); |
| 4259 __ SmiUntag(edx); | 4259 __ SmiUntag(edx); |
| 4260 __ add(Operand(edx), Immediate(masm_->CodeObject())); | 4260 __ add(Operand(edx), Immediate(masm_->CodeObject())); |
| 4261 __ jmp(Operand(edx)); | 4261 __ jmp(Operand(edx)); |
| 4262 } | 4262 } |
| 4263 | 4263 |
| 4264 | 4264 |
| 4265 #undef __ | 4265 #undef __ |
| 4266 | 4266 |
| 4267 } } // namespace v8::internal | 4267 } } // namespace v8::internal |
| 4268 | 4268 |
| 4269 #endif // V8_TARGET_ARCH_IA32 | 4269 #endif // V8_TARGET_ARCH_IA32 |
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