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Unified Diff: src/compiler/node-matchers.cc

Issue 652363006: [turbofan] First step towards correctified 64-bit addressing. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Fixes2 Created 6 years, 2 months ago
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Index: src/compiler/node-matchers.cc
diff --git a/src/compiler/node-matchers.cc b/src/compiler/node-matchers.cc
deleted file mode 100644
index 4d7fb84dbebe9ee6e04d343432afbf3c02094a50..0000000000000000000000000000000000000000
--- a/src/compiler/node-matchers.cc
+++ /dev/null
@@ -1,104 +0,0 @@
-// Copyright 2014 the V8 project authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "src/compiler/generic-node-inl.h"
-#include "src/compiler/node-matchers.h"
-
-namespace v8 {
-namespace internal {
-namespace compiler {
-
-const int ScaleFactorMatcher::kMatchedFactors[] = {1, 2, 4, 8};
-
-
-ScaleFactorMatcher::ScaleFactorMatcher(Node* node)
- : NodeMatcher(node), left_(NULL), power_(0) {
- if (opcode() != IrOpcode::kInt32Mul) return;
- // TODO(dcarney): should test 64 bit ints as well.
- Int32BinopMatcher m(this->node());
- if (!m.right().HasValue()) return;
- int32_t value = m.right().Value();
- switch (value) {
- case 8:
- power_++; // Fall through.
- case 4:
- power_++; // Fall through.
- case 2:
- power_++; // Fall through.
- case 1:
- break;
- default:
- return;
- }
- left_ = m.left().node();
-}
-
-
-IndexAndDisplacementMatcher::IndexAndDisplacementMatcher(Node* node)
- : NodeMatcher(node), index_node_(node), displacement_(0), power_(0) {
- if (opcode() == IrOpcode::kInt32Add) {
- Int32BinopMatcher m(this->node());
- if (m.right().HasValue()) {
- displacement_ = m.right().Value();
- index_node_ = m.left().node();
- }
- }
- // Test scale factor.
- ScaleFactorMatcher scale_matcher(index_node_);
- if (scale_matcher.Matches()) {
- index_node_ = scale_matcher.Left();
- power_ = scale_matcher.Power();
- }
-}
-
-
-const int LeaMultiplyMatcher::kMatchedFactors[7] = {1, 2, 3, 4, 5, 8, 9};
-
-
-LeaMultiplyMatcher::LeaMultiplyMatcher(Node* node)
- : NodeMatcher(node), left_(NULL), power_(0), displacement_(0) {
- if (opcode() != IrOpcode::kInt32Mul && opcode() != IrOpcode::kInt64Mul) {
- return;
- }
- int64_t value;
- Node* left = NULL;
- {
- Int32BinopMatcher m(this->node());
- if (m.right().HasValue()) {
- value = m.right().Value();
- left = m.left().node();
- } else {
- Int64BinopMatcher m(this->node());
- if (m.right().HasValue()) {
- value = m.right().Value();
- left = m.left().node();
- } else {
- return;
- }
- }
- }
- switch (value) {
- case 9:
- case 8:
- power_++; // Fall through.
- case 5:
- case 4:
- power_++; // Fall through.
- case 3:
- case 2:
- power_++; // Fall through.
- case 1:
- break;
- default:
- return;
- }
- if (!base::bits::IsPowerOfTwo64(value)) {
- displacement_ = 1;
- }
- left_ = left;
-}
-
-} // namespace compiler
-} // namespace internal
-} // namespace v8
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