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Side by Side Diff: runtime/vm/opt_code_generator_ia32.cc

Issue 10539145: Implement polymorphic instance calls. (Closed) Base URL: http://dart.googlecode.com/svn/branches/bleeding_edge/dart/
Patch Set: Created 8 years, 6 months ago
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1 // Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file 1 // Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file
2 // for details. All rights reserved. Use of this source code is governed by a 2 // for details. All rights reserved. Use of this source code is governed by a
3 // BSD-style license that can be found in the LICENSE file. 3 // BSD-style license that can be found in the LICENSE file.
4 4
5 #include "vm/globals.h" // Needed here to get TARGET_ARCH_IA32. 5 #include "vm/globals.h" // Needed here to get TARGET_ARCH_IA32.
6 #if defined(TARGET_ARCH_IA32) 6 #if defined(TARGET_ARCH_IA32)
7 7
8 #include "vm/opt_code_generator.h" 8 #include "vm/opt_code_generator.h"
9 9
10 #include "vm/assembler_macros.h" 10 #include "vm/assembler_macros.h"
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2601 2601
2602 Label done; 2602 Label done;
2603 __ movl(EAX, Address(ESP, (num_args - 1) * kWordSize)); // Load receiver. 2603 __ movl(EAX, Address(ESP, (num_args - 1) * kWordSize)); // Load receiver.
2604 if (classes[0]->raw() == smi_class_.raw()) { 2604 if (classes[0]->raw() == smi_class_.raw()) {
2605 start_ix++; 2605 start_ix++;
2606 // Smi test is needed. 2606 // Smi test is needed.
2607 __ testl(EAX, Immediate(kSmiTagMask)); 2607 __ testl(EAX, Immediate(kSmiTagMask));
2608 if (classes.length() == 1) { 2608 if (classes.length() == 1) {
2609 // Only Smi test. 2609 // Only Smi test.
2610 DeoptimizationBlob* deopt_blob = 2610 DeoptimizationBlob* deopt_blob =
2611 AddDeoptimizationBlob(node, kDeoptCheckedInstanceCallSmiOnly); 2611 AddDeoptimizationBlob(node, kDeoptPolymorphicInstanceCallSmiOnly);
2612 __ j(NOT_ZERO, deopt_blob->label()); 2612 __ j(NOT_ZERO, deopt_blob->label());
2613 GenerateDirectCall(node->id(), 2613 GenerateDirectCall(node->id(),
2614 token_index, 2614 token_index,
2615 *targets[0], 2615 *targets[0],
2616 num_args, 2616 num_args,
2617 optional_arguments_names); 2617 optional_arguments_names);
2618 return; 2618 return;
2619 } 2619 }
2620 Label not_smi; 2620 Label not_smi;
2621 __ j(NOT_ZERO, &not_smi); 2621 __ j(NOT_ZERO, &not_smi);
2622 GenerateDirectCall(node->id(), 2622 GenerateDirectCall(node->id(),
2623 token_index, 2623 token_index,
2624 *targets[0], 2624 *targets[0],
2625 num_args, 2625 num_args,
2626 optional_arguments_names); 2626 optional_arguments_names);
2627 __ jmp(&done); 2627 __ jmp(&done);
2628 __ Bind(&not_smi); // Continue with other test below. 2628 __ Bind(&not_smi); // Continue with other test below.
2629 } else if (NodeMayBeSmi(receiver)) { 2629 } else if (NodeMayBeSmi(receiver)) {
2630 DeoptimizationBlob* deopt_blob = 2630 DeoptimizationBlob* deopt_blob =
2631 AddDeoptimizationBlob(node, kDeoptCheckedInstanceCallSmiFail); 2631 AddDeoptimizationBlob(node, kDeoptPolymorphicInstanceCallSmiFail);
2632 __ testl(EAX, Immediate(kSmiTagMask)); 2632 __ testl(EAX, Immediate(kSmiTagMask));
2633 __ j(ZERO, deopt_blob->label()); 2633 __ j(ZERO, deopt_blob->label());
2634 } else { 2634 } else {
2635 // Receiver cannot be Smi, no need to test it. 2635 // Receiver cannot be Smi, no need to test it.
2636 } 2636 }
2637 __ LoadClassId(EAX, EAX); // Receiver's class id. 2637 __ LoadClassId(EAX, EAX); // Receiver's class id.
2638 for (intptr_t i = start_ix; i < classes.length(); i++) { 2638 for (intptr_t i = start_ix; i < classes.length(); i++) {
2639 const Class& cls = *classes[i]; 2639 const Class& cls = *classes[i];
2640 const Function& target = *targets[i]; 2640 const Function& target = *targets[i];
2641 __ cmpl(EAX, Immediate(cls.id())); 2641 __ cmpl(EAX, Immediate(cls.id()));
2642 if (i == (classes.length() - 1)) { 2642 if (i == (classes.length() - 1)) {
2643 // Last check. 2643 // Last check.
2644 DeoptimizationBlob* deopt_blob = 2644 DeoptimizationBlob* deopt_blob =
2645 AddDeoptimizationBlob(node, kDeoptCheckedInstanceCallCheckFail); 2645 AddDeoptimizationBlob(node, kDeoptPolymorphicInstanceCallTestFail);
2646 __ j(NOT_EQUAL, deopt_blob->label()); 2646 __ j(NOT_EQUAL, deopt_blob->label());
2647 GenerateDirectCall(node->id(), 2647 GenerateDirectCall(node->id(),
2648 token_index, 2648 token_index,
2649 target, 2649 target,
2650 num_args, 2650 num_args,
2651 optional_arguments_names); 2651 optional_arguments_names);
2652 } else { 2652 } else {
2653 Label next; 2653 Label next;
2654 __ j(NOT_EQUAL, &next); 2654 __ j(NOT_EQUAL, &next);
2655 GenerateDirectCall(node->id(), 2655 GenerateDirectCall(node->id(),
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2887 } 2887 }
2888 } 2888 }
2889 // TODO(srdjan): Implement unary kSUB (negate) Mint. 2889 // TODO(srdjan): Implement unary kSUB (negate) Mint.
2890 CodeGenerator::VisitUnaryOpNode(node); 2890 CodeGenerator::VisitUnaryOpNode(node);
2891 } 2891 }
2892 2892
2893 2893
2894 } // namespace dart 2894 } // namespace dart
2895 2895
2896 #endif // defined TARGET_ARCH_IA32 2896 #endif // defined TARGET_ARCH_IA32
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