Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(147)

Side by Side Diff: src/compiler/representation-change.cc

Issue 2216383002: TurboFan: Introduce TaggedSigned and TaggedPointer representations. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Mips compile fix. Created 4 years, 4 months ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View unified diff | Download patch
« no previous file with comments | « src/compiler/register-allocator.cc ('k') | src/compiler/simplified-lowering.cc » ('j') | no next file with comments »
Toggle Intra-line Diffs ('i') | Expand Comments ('e') | Collapse Comments ('c') | Show Comments Hide Comments ('s')
OLDNEW
1 // Copyright 2015 the V8 project authors. All rights reserved. 1 // Copyright 2015 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/compiler/representation-change.h" 5 #include "src/compiler/representation-change.h"
6 6
7 #include <sstream> 7 #include <sstream>
8 8
9 #include "src/base/bits.h" 9 #include "src/base/bits.h"
10 #include "src/code-factory.h" 10 #include "src/code-factory.h"
(...skipping 123 matching lines...) Expand 10 before | Expand all | Expand 10 after
134 if (IsWord(use_info.representation()) && IsWord(output_rep)) { 134 if (IsWord(use_info.representation()) && IsWord(output_rep)) {
135 // Both are words less than or equal to 32-bits. 135 // Both are words less than or equal to 32-bits.
136 // Since loads of integers from memory implicitly sign or zero extend the 136 // Since loads of integers from memory implicitly sign or zero extend the
137 // value to the full machine word size and stores implicitly truncate, 137 // value to the full machine word size and stores implicitly truncate,
138 // no representation change is necessary. 138 // no representation change is necessary.
139 return node; 139 return node;
140 } 140 }
141 } 141 }
142 142
143 switch (use_info.representation()) { 143 switch (use_info.representation()) {
144 case MachineRepresentation::kTaggedSigned:
145 case MachineRepresentation::kTaggedPointer:
144 case MachineRepresentation::kTagged: 146 case MachineRepresentation::kTagged:
145 DCHECK(use_info.type_check() == TypeCheckKind::kNone); 147 DCHECK(use_info.type_check() == TypeCheckKind::kNone);
146 return GetTaggedRepresentationFor(node, output_rep, output_type); 148 return GetTaggedRepresentationFor(node, output_rep, output_type);
147 case MachineRepresentation::kFloat32: 149 case MachineRepresentation::kFloat32:
148 DCHECK(use_info.type_check() == TypeCheckKind::kNone); 150 DCHECK(use_info.type_check() == TypeCheckKind::kNone);
149 return GetFloat32RepresentationFor(node, output_rep, output_type, 151 return GetFloat32RepresentationFor(node, output_rep, output_type,
150 use_info.truncation()); 152 use_info.truncation());
151 case MachineRepresentation::kFloat64: 153 case MachineRepresentation::kFloat64:
152 return GetFloat64RepresentationFor(node, output_rep, output_type, 154 return GetFloat64RepresentationFor(node, output_rep, output_type,
153 use_node, use_info); 155 use_node, use_info);
(...skipping 665 matching lines...) Expand 10 before | Expand all | Expand 10 after
819 } 821 }
820 822
821 Node* RepresentationChanger::InsertChangeTaggedToFloat64(Node* node) { 823 Node* RepresentationChanger::InsertChangeTaggedToFloat64(Node* node) {
822 return jsgraph()->graph()->NewNode(simplified()->ChangeTaggedToFloat64(), 824 return jsgraph()->graph()->NewNode(simplified()->ChangeTaggedToFloat64(),
823 node); 825 node);
824 } 826 }
825 827
826 } // namespace compiler 828 } // namespace compiler
827 } // namespace internal 829 } // namespace internal
828 } // namespace v8 830 } // namespace v8
OLDNEW
« no previous file with comments | « src/compiler/register-allocator.cc ('k') | src/compiler/simplified-lowering.cc » ('j') | no next file with comments »

Powered by Google App Engine
This is Rietveld 408576698