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

Issue 13867006: Inline binary Float32x4 ops. (Closed) Base URL: https://dart.googlecode.com/svn/branches/bleeding_edge/dart
Patch Set: Created 7 years, 8 months ago
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1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file 1 // Copyright (c) 2013, 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/deopt_instructions.h" 5 #include "vm/deopt_instructions.h"
6 6
7 #include "vm/assembler.h" 7 #include "vm/assembler.h"
8 #include "vm/code_patcher.h" 8 #include "vm/code_patcher.h"
9 #include "vm/intermediate_language.h" 9 #include "vm/intermediate_language.h"
10 #include "vm/locations.h" 10 #include "vm/locations.h"
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752 return i; 752 return i;
753 } 753 }
754 } 754 }
755 // Add object. 755 // Add object.
756 const intptr_t result = object_table_.Length(); 756 const intptr_t result = object_table_.Length();
757 object_table_.Add(obj); 757 object_table_.Add(obj);
758 return result; 758 return result;
759 } 759 }
760 760
761 761
762 intptr_t DeoptInfoBuilder::CalculateStackIndex(const Location& from_loc) const {
763 return from_loc.stack_index() < 0 ?
764 from_loc.stack_index() + num_args_ :
765 from_loc.stack_index() + num_args_ - kFirstLocalSlotIndex + 1;
766 }
767
Vyacheslav Egorov (Google) 2013/04/15 13:49:21 add empty line
Cutch 2013/04/15 14:07:06 Done.
762 void DeoptInfoBuilder::AddReturnAddress(const Function& function, 768 void DeoptInfoBuilder::AddReturnAddress(const Function& function,
763 intptr_t deopt_id, 769 intptr_t deopt_id,
764 intptr_t to_index) { 770 intptr_t to_index) {
765 // Check that deopt_id exists. 771 // Check that deopt_id exists.
766 // TODO(vegorov): verify after deoptimization targets as well. 772 // TODO(vegorov): verify after deoptimization targets as well.
767 #ifdef DEBUG 773 #ifdef DEBUG
768 const Code& code = Code::Handle(function.unoptimized_code()); 774 const Code& code = Code::Handle(function.unoptimized_code());
769 ASSERT(Isolate::IsDeoptAfter(deopt_id) || 775 ASSERT(Isolate::IsDeoptAfter(deopt_id) ||
770 (code.GetPcForDeoptId(deopt_id, PcDescriptors::kDeopt) != 0)); 776 (code.GetPcForDeoptId(deopt_id, PcDescriptors::kDeopt) != 0));
771 #endif 777 #endif
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800 } else if (value->definition()->representation() == kUnboxedMint) { 806 } else if (value->definition()->representation() == kUnboxedMint) {
801 deopt_instr = new DeoptInt64FpuRegisterInstr(from_loc.fpu_reg()); 807 deopt_instr = new DeoptInt64FpuRegisterInstr(from_loc.fpu_reg());
802 } else if (value->definition()->representation() == kUnboxedFloat32x4) { 808 } else if (value->definition()->representation() == kUnboxedFloat32x4) {
803 deopt_instr = new DeoptFloat32x4FpuRegisterInstr(from_loc.fpu_reg()); 809 deopt_instr = new DeoptFloat32x4FpuRegisterInstr(from_loc.fpu_reg());
804 } else { 810 } else {
805 ASSERT(value->definition()->representation() == kUnboxedUint32x4); 811 ASSERT(value->definition()->representation() == kUnboxedUint32x4);
806 deopt_instr = new DeoptUint32x4FpuRegisterInstr(from_loc.fpu_reg()); 812 deopt_instr = new DeoptUint32x4FpuRegisterInstr(from_loc.fpu_reg());
807 } 813 }
808 } else if (from_loc.IsStackSlot()) { 814 } else if (from_loc.IsStackSlot()) {
809 ASSERT(value->definition()->representation() == kTagged); 815 ASSERT(value->definition()->representation() == kTagged);
810 intptr_t from_index = (from_loc.stack_index() < 0) ? 816 intptr_t from_index = CalculateStackIndex(from_loc);
811 from_loc.stack_index() + num_args_ :
812 from_loc.stack_index() + num_args_ - kFirstLocalSlotIndex + 1;
813 deopt_instr = new DeoptStackSlotInstr(from_index); 817 deopt_instr = new DeoptStackSlotInstr(from_index);
814 } else if (from_loc.IsDoubleStackSlot()) { 818 } else if (from_loc.IsDoubleStackSlot()) {
815 intptr_t from_index = (from_loc.stack_index() < 0) ? 819 intptr_t from_index = CalculateStackIndex(from_loc);
816 from_loc.stack_index() + num_args_ :
817 from_loc.stack_index() + num_args_ - kFirstLocalSlotIndex + 1;
818 if (value->definition()->representation() == kUnboxedDouble) { 820 if (value->definition()->representation() == kUnboxedDouble) {
819 deopt_instr = new DeoptDoubleStackSlotInstr(from_index); 821 deopt_instr = new DeoptDoubleStackSlotInstr(from_index);
820 } else { 822 } else {
821 ASSERT(value->definition()->representation() == kUnboxedMint); 823 ASSERT(value->definition()->representation() == kUnboxedMint);
822 deopt_instr = new DeoptInt64StackSlotInstr(from_index); 824 deopt_instr = new DeoptInt64StackSlotInstr(from_index);
823 } 825 }
826 } else if (from_loc.IsQuadStackSlot()) {
827 intptr_t from_index = CalculateStackIndex(from_loc);
828 if (value->definition()->representation() == kUnboxedFloat32x4) {
829 deopt_instr = new DeoptFloat32x4StackSlotInstr(from_index);
830 } else {
831 ASSERT(value->definition()->representation() == kUnboxedUint32x4);
832 deopt_instr = new DeoptUint32x4StackSlotInstr(from_index);
833 }
824 } else { 834 } else {
825 UNREACHABLE(); 835 UNREACHABLE();
826 } 836 }
827 ASSERT(to_index == instructions_.length()); 837 ASSERT(to_index == instructions_.length());
828 ASSERT(deopt_instr != NULL); 838 ASSERT(deopt_instr != NULL);
829 instructions_.Add(deopt_instr); 839 instructions_.Add(deopt_instr);
830 } 840 }
831 841
832 842
833 void DeoptInfoBuilder::AddCallerFp(intptr_t to_index) { 843 void DeoptInfoBuilder::AddCallerFp(intptr_t to_index) {
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915 Smi* offset, 925 Smi* offset,
916 DeoptInfo* info, 926 DeoptInfo* info,
917 Smi* reason) { 927 Smi* reason) {
918 intptr_t i = index * kEntrySize; 928 intptr_t i = index * kEntrySize;
919 *offset ^= table.At(i); 929 *offset ^= table.At(i);
920 *info ^= table.At(i + 1); 930 *info ^= table.At(i + 1);
921 *reason ^= table.At(i + 2); 931 *reason ^= table.At(i + 2);
922 } 932 }
923 933
924 } // namespace dart 934 } // namespace dart
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