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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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