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Issue 1365073002: Revert of 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. 1 // Copyright 2012 the V8 project authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #include "src/code-factory.h" 5 #include "src/code-factory.h"
6 #include "src/code-stubs.h" 6 #include "src/code-stubs.h"
7 #include "src/cpu-profiler.h" 7 #include "src/cpu-profiler.h"
8 #include "src/hydrogen-osr.h" 8 #include "src/hydrogen-osr.h"
9 #include "src/ic/ic.h" 9 #include "src/ic/ic.h"
10 #include "src/ic/stub-cache.h" 10 #include "src/ic/stub-cache.h"
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64 64
65 65
66 void LCodeGen::SaveCallerDoubles() { 66 void LCodeGen::SaveCallerDoubles() {
67 DCHECK(info()->saves_caller_doubles()); 67 DCHECK(info()->saves_caller_doubles());
68 DCHECK(NeedsEagerFrame()); 68 DCHECK(NeedsEagerFrame());
69 Comment(";;; Save clobbered callee double registers"); 69 Comment(";;; Save clobbered callee double registers");
70 int count = 0; 70 int count = 0;
71 BitVector* doubles = chunk()->allocated_double_registers(); 71 BitVector* doubles = chunk()->allocated_double_registers();
72 BitVector::Iterator save_iterator(doubles); 72 BitVector::Iterator save_iterator(doubles);
73 while (!save_iterator.Done()) { 73 while (!save_iterator.Done()) {
74 __ sdc1(DoubleRegister::from_code(save_iterator.Current()), 74 __ sdc1(DoubleRegister::FromAllocationIndex(save_iterator.Current()),
75 MemOperand(sp, count * kDoubleSize)); 75 MemOperand(sp, count * kDoubleSize));
76 save_iterator.Advance(); 76 save_iterator.Advance();
77 count++; 77 count++;
78 } 78 }
79 } 79 }
80 80
81 81
82 void LCodeGen::RestoreCallerDoubles() { 82 void LCodeGen::RestoreCallerDoubles() {
83 DCHECK(info()->saves_caller_doubles()); 83 DCHECK(info()->saves_caller_doubles());
84 DCHECK(NeedsEagerFrame()); 84 DCHECK(NeedsEagerFrame());
85 Comment(";;; Restore clobbered callee double registers"); 85 Comment(";;; Restore clobbered callee double registers");
86 BitVector* doubles = chunk()->allocated_double_registers(); 86 BitVector* doubles = chunk()->allocated_double_registers();
87 BitVector::Iterator save_iterator(doubles); 87 BitVector::Iterator save_iterator(doubles);
88 int count = 0; 88 int count = 0;
89 while (!save_iterator.Done()) { 89 while (!save_iterator.Done()) {
90 __ ldc1(DoubleRegister::from_code(save_iterator.Current()), 90 __ ldc1(DoubleRegister::FromAllocationIndex(save_iterator.Current()),
91 MemOperand(sp, count * kDoubleSize)); 91 MemOperand(sp, count * kDoubleSize));
92 save_iterator.Advance(); 92 save_iterator.Advance();
93 count++; 93 count++;
94 } 94 }
95 } 95 }
96 96
97 97
98 bool LCodeGen::GeneratePrologue() { 98 bool LCodeGen::GeneratePrologue() {
99 DCHECK(is_generating()); 99 DCHECK(is_generating());
100 100
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379 379
380 380
381 bool LCodeGen::GenerateSafepointTable() { 381 bool LCodeGen::GenerateSafepointTable() {
382 DCHECK(is_done()); 382 DCHECK(is_done());
383 safepoints_.Emit(masm(), GetStackSlotCount()); 383 safepoints_.Emit(masm(), GetStackSlotCount());
384 return !is_aborted(); 384 return !is_aborted();
385 } 385 }
386 386
387 387
388 Register LCodeGen::ToRegister(int index) const { 388 Register LCodeGen::ToRegister(int index) const {
389 return Register::from_code(index); 389 return Register::FromAllocationIndex(index);
390 } 390 }
391 391
392 392
393 DoubleRegister LCodeGen::ToDoubleRegister(int index) const { 393 DoubleRegister LCodeGen::ToDoubleRegister(int index) const {
394 return DoubleRegister::from_code(index); 394 return DoubleRegister::FromAllocationIndex(index);
395 } 395 }
396 396
397 397
398 Register LCodeGen::ToRegister(LOperand* op) const { 398 Register LCodeGen::ToRegister(LOperand* op) const {
399 DCHECK(op->IsRegister()); 399 DCHECK(op->IsRegister());
400 return ToRegister(op->index()); 400 return ToRegister(op->index());
401 } 401 }
402 402
403 403
404 Register LCodeGen::EmitLoadRegister(LOperand* op, Register scratch) { 404 Register LCodeGen::EmitLoadRegister(LOperand* op, Register scratch) {
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6085 __ Push(at, ToRegister(instr->function())); 6085 __ Push(at, ToRegister(instr->function()));
6086 CallRuntime(Runtime::kPushBlockContext, 2, instr); 6086 CallRuntime(Runtime::kPushBlockContext, 2, instr);
6087 RecordSafepoint(Safepoint::kNoLazyDeopt); 6087 RecordSafepoint(Safepoint::kNoLazyDeopt);
6088 } 6088 }
6089 6089
6090 6090
6091 #undef __ 6091 #undef __
6092 6092
6093 } // namespace internal 6093 } // namespace internal
6094 } // namespace v8 6094 } // namespace v8
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