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Issue 5828004: IA32: Optimize instanceof... (Closed) Base URL: http://v8.googlecode.com/svn/branches/bleeding_edge/
Patch Set: '' Created 10 years ago
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1 // Copyright 2010 the V8 project authors. All rights reserved. 1 // Copyright 2010 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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3423 VisitForStackValue(expr->right()); 3423 VisitForStackValue(expr->right());
3424 __ InvokeBuiltin(Builtins::IN, CALL_JS); 3424 __ InvokeBuiltin(Builtins::IN, CALL_JS);
3425 PrepareForBailoutBeforeSplit(TOS_REG, false, NULL, NULL); 3425 PrepareForBailoutBeforeSplit(TOS_REG, false, NULL, NULL);
3426 __ LoadRoot(ip, Heap::kTrueValueRootIndex); 3426 __ LoadRoot(ip, Heap::kTrueValueRootIndex);
3427 __ cmp(r0, ip); 3427 __ cmp(r0, ip);
3428 Split(eq, if_true, if_false, fall_through); 3428 Split(eq, if_true, if_false, fall_through);
3429 break; 3429 break;
3430 3430
3431 case Token::INSTANCEOF: { 3431 case Token::INSTANCEOF: {
3432 VisitForStackValue(expr->right()); 3432 VisitForStackValue(expr->right());
3433 InstanceofStub stub; 3433 InstanceofStub stub(InstanceofStub::kNoFlags);
3434 __ CallStub(&stub); 3434 __ CallStub(&stub);
3435 PrepareForBailoutBeforeSplit(TOS_REG, true, if_true, if_false); 3435 PrepareForBailoutBeforeSplit(TOS_REG, true, if_true, if_false);
3436 // The stub returns 0 for true. 3436 // The stub returns 0 for true.
3437 __ tst(r0, r0); 3437 __ tst(r0, r0);
3438 Split(eq, if_true, if_false, fall_through); 3438 Split(eq, if_true, if_false, fall_through);
3439 break; 3439 break;
3440 } 3440 }
3441 3441
3442 default: { 3442 default: {
3443 VisitForAccumulatorValue(expr->right()); 3443 VisitForAccumulatorValue(expr->right());
(...skipping 152 matching lines...) Expand 10 before | Expand all | Expand 10 after
3596 __ mov(r1, Operand(r1, ASR, 1)); // Un-smi-tag value. 3596 __ mov(r1, Operand(r1, ASR, 1)); // Un-smi-tag value.
3597 __ add(pc, r1, Operand(masm_->CodeObject())); 3597 __ add(pc, r1, Operand(masm_->CodeObject()));
3598 } 3598 }
3599 3599
3600 3600
3601 #undef __ 3601 #undef __
3602 3602
3603 } } // namespace v8::internal 3603 } } // namespace v8::internal
3604 3604
3605 #endif // V8_TARGET_ARCH_ARM 3605 #endif // V8_TARGET_ARCH_ARM
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