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Issue 1380863004: Revert of Reland: Remove register index/code indirection (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Created 5 years, 2 months ago
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1 // Copyright 2012 the V8 project authors. All rights reserved.7 1 // Copyright 2012 the V8 project authors. All rights reserved.7
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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89 89
90 90
91 void LCodeGen::SaveCallerDoubles() { 91 void LCodeGen::SaveCallerDoubles() {
92 DCHECK(info()->saves_caller_doubles()); 92 DCHECK(info()->saves_caller_doubles());
93 DCHECK(NeedsEagerFrame()); 93 DCHECK(NeedsEagerFrame());
94 Comment(";;; Save clobbered callee double registers"); 94 Comment(";;; Save clobbered callee double registers");
95 int count = 0; 95 int count = 0;
96 BitVector* doubles = chunk()->allocated_double_registers(); 96 BitVector* doubles = chunk()->allocated_double_registers();
97 BitVector::Iterator save_iterator(doubles); 97 BitVector::Iterator save_iterator(doubles);
98 while (!save_iterator.Done()) { 98 while (!save_iterator.Done()) {
99 __ sdc1(DoubleRegister::from_code(save_iterator.Current()), 99 __ sdc1(DoubleRegister::FromAllocationIndex(save_iterator.Current()),
100 MemOperand(sp, count * kDoubleSize)); 100 MemOperand(sp, count * kDoubleSize));
101 save_iterator.Advance(); 101 save_iterator.Advance();
102 count++; 102 count++;
103 } 103 }
104 } 104 }
105 105
106 106
107 void LCodeGen::RestoreCallerDoubles() { 107 void LCodeGen::RestoreCallerDoubles() {
108 DCHECK(info()->saves_caller_doubles()); 108 DCHECK(info()->saves_caller_doubles());
109 DCHECK(NeedsEagerFrame()); 109 DCHECK(NeedsEagerFrame());
110 Comment(";;; Restore clobbered callee double registers"); 110 Comment(";;; Restore clobbered callee double registers");
111 BitVector* doubles = chunk()->allocated_double_registers(); 111 BitVector* doubles = chunk()->allocated_double_registers();
112 BitVector::Iterator save_iterator(doubles); 112 BitVector::Iterator save_iterator(doubles);
113 int count = 0; 113 int count = 0;
114 while (!save_iterator.Done()) { 114 while (!save_iterator.Done()) {
115 __ ldc1(DoubleRegister::from_code(save_iterator.Current()), 115 __ ldc1(DoubleRegister::FromAllocationIndex(save_iterator.Current()),
116 MemOperand(sp, count * kDoubleSize)); 116 MemOperand(sp, count * kDoubleSize));
117 save_iterator.Advance(); 117 save_iterator.Advance();
118 count++; 118 count++;
119 } 119 }
120 } 120 }
121 121
122 122
123 bool LCodeGen::GeneratePrologue() { 123 bool LCodeGen::GeneratePrologue() {
124 DCHECK(is_generating()); 124 DCHECK(is_generating());
125 125
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395 395
396 396
397 bool LCodeGen::GenerateSafepointTable() { 397 bool LCodeGen::GenerateSafepointTable() {
398 DCHECK(is_done()); 398 DCHECK(is_done());
399 safepoints_.Emit(masm(), GetStackSlotCount()); 399 safepoints_.Emit(masm(), GetStackSlotCount());
400 return !is_aborted(); 400 return !is_aborted();
401 } 401 }
402 402
403 403
404 Register LCodeGen::ToRegister(int index) const { 404 Register LCodeGen::ToRegister(int index) const {
405 return Register::from_code(index); 405 return Register::FromAllocationIndex(index);
406 } 406 }
407 407
408 408
409 DoubleRegister LCodeGen::ToDoubleRegister(int index) const { 409 DoubleRegister LCodeGen::ToDoubleRegister(int index) const {
410 return DoubleRegister::from_code(index); 410 return DoubleRegister::FromAllocationIndex(index);
411 } 411 }
412 412
413 413
414 Register LCodeGen::ToRegister(LOperand* op) const { 414 Register LCodeGen::ToRegister(LOperand* op) const {
415 DCHECK(op->IsRegister()); 415 DCHECK(op->IsRegister());
416 return ToRegister(op->index()); 416 return ToRegister(op->index());
417 } 417 }
418 418
419 419
420 Register LCodeGen::EmitLoadRegister(LOperand* op, Register scratch) { 420 Register LCodeGen::EmitLoadRegister(LOperand* op, Register scratch) {
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5893 __ Push(at, ToRegister(instr->function())); 5893 __ Push(at, ToRegister(instr->function()));
5894 CallRuntime(Runtime::kPushBlockContext, 2, instr); 5894 CallRuntime(Runtime::kPushBlockContext, 2, instr);
5895 RecordSafepoint(Safepoint::kNoLazyDeopt); 5895 RecordSafepoint(Safepoint::kNoLazyDeopt);
5896 } 5896 }
5897 5897
5898 5898
5899 #undef __ 5899 #undef __
5900 5900
5901 } // namespace internal 5901 } // namespace internal
5902 } // namespace v8 5902 } // namespace v8
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