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Issue 5990005: Optimize instanceof further... (Closed) Base URL: http://v8.googlecode.com/svn/branches/bleeding_edge/
Patch Set: '' Created 9 years, 11 months 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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933 933
934 if (summary->IsCall()) { 934 if (summary->IsCall()) {
935 for (int i = 0; i < Register::kNumAllocatableRegisters; ++i) { 935 for (int i = 0; i < Register::kNumAllocatableRegisters; ++i) {
936 if (output == NULL || !output->IsRegister() || 936 if (output == NULL || !output->IsRegister() ||
937 output->index() != i) { 937 output->index() != i) {
938 LiveRange* range = FixedLiveRangeFor(i); 938 LiveRange* range = FixedLiveRangeFor(i);
939 range->AddUseInterval(curr_position, 939 range->AddUseInterval(curr_position,
940 curr_position.InstructionEnd()); 940 curr_position.InstructionEnd());
941 } 941 }
942 } 942 }
943 }
944
945 if (summary->IsCall() || summary->IsSaveDoubles()) {
943 for (int i = 0; i < DoubleRegister::kNumAllocatableRegisters; ++i) { 946 for (int i = 0; i < DoubleRegister::kNumAllocatableRegisters; ++i) {
944 if (output == NULL || !output->IsDoubleRegister() || 947 if (output == NULL || !output->IsDoubleRegister() ||
945 output->index() != i) { 948 output->index() != i) {
946 LiveRange* range = FixedDoubleLiveRangeFor(i); 949 LiveRange* range = FixedDoubleLiveRangeFor(i);
947 range->AddUseInterval(curr_position, 950 range->AddUseInterval(curr_position,
948 curr_position.InstructionEnd()); 951 curr_position.InstructionEnd());
949 } 952 }
950 } 953 }
951 } 954 }
952 955
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1600 } 1603 }
1601 for (int i = 0; i < summary->TempCount(); i++) { 1604 for (int i = 0; i < summary->TempCount(); i++) {
1602 ASSERT(LUnallocated::cast(summary->TempAt(i))->HasFixedPolicy() || 1605 ASSERT(LUnallocated::cast(summary->TempAt(i))->HasFixedPolicy() ||
1603 !LUnallocated::cast(summary->TempAt(i))->HasRegisterPolicy()); 1606 !LUnallocated::cast(summary->TempAt(i))->HasRegisterPolicy());
1604 } 1607 }
1605 #endif 1608 #endif
1606 summary->MarkAsCall(); 1609 summary->MarkAsCall();
1607 } 1610 }
1608 1611
1609 1612
1613 void LAllocator::MarkAsSaveDoubles() {
1614 current_summary()->MarkAsSaveDoubles();
1615 }
1616
1617
1610 void LAllocator::RecordDefinition(HInstruction* instr, LUnallocated* operand) { 1618 void LAllocator::RecordDefinition(HInstruction* instr, LUnallocated* operand) {
1611 operand->set_virtual_register(instr->id()); 1619 operand->set_virtual_register(instr->id());
1612 current_summary()->SetOutput(operand); 1620 current_summary()->SetOutput(operand);
1613 } 1621 }
1614 1622
1615 1623
1616 void LAllocator::RecordTemporary(LUnallocated* operand) { 1624 void LAllocator::RecordTemporary(LUnallocated* operand) {
1617 ASSERT(next_virtual_register_ < LUnallocated::kMaxVirtualRegisters); 1625 ASSERT(next_virtual_register_ < LUnallocated::kMaxVirtualRegisters);
1618 if (!operand->HasFixedPolicy()) { 1626 if (!operand->HasFixedPolicy()) {
1619 operand->set_virtual_register(next_virtual_register_++); 1627 operand->set_virtual_register(next_virtual_register_++);
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2137 LiveRange* current = live_ranges()->at(i); 2145 LiveRange* current = live_ranges()->at(i);
2138 if (current != NULL) current->Verify(); 2146 if (current != NULL) current->Verify();
2139 } 2147 }
2140 } 2148 }
2141 2149
2142 2150
2143 #endif 2151 #endif
2144 2152
2145 2153
2146 } } // namespace v8::internal 2154 } } // namespace v8::internal
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