Revision: 19577
Author: [email protected]
Date: Thu Feb 27 13:57:49 2014 UTC
Log: Revert "Merged r19535 into 3.23 branch."
This reverts: Merged r19535 into 3.23 branch.
Fix for a smi stores optimization on x64 with a regression test.
[email protected]
Review URL: https://codereview.chromium.org/179863003
http://code.google.com/p/v8/source/detail?r=19577
Deleted:
/branches/3.23/test/mjsunit/regress/regress-crbug-345715.js
Modified:
/branches/3.23/src/hydrogen.cc
/branches/3.23/src/version.cc
=======================================
--- /branches/3.23/test/mjsunit/regress/regress-crbug-345715.js Thu Feb 27
12:57:31 2014 UTC
+++ /dev/null
@@ -1,26 +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.
-
-// Flags: --allow-natives-syntax --debug-code
-
-a = {y:1.5};
-a.y = 0;
-b = a.y;
-c = {y:{}};
-
-function f() {
- return 1;
-}
-
-function g() {
- var e = {y: b};
- var d = {x:f()};
- var d = {x:f()};
- return [e, d];
-}
-
-g();
-g();
-%OptimizeFunctionOnNextCall(g);
-assertEquals(1, g()[1].x);
=======================================
--- /branches/3.23/src/hydrogen.cc Thu Feb 27 12:57:31 2014 UTC
+++ /branches/3.23/src/hydrogen.cc Thu Feb 27 13:57:49 2014 UTC
@@ -9475,7 +9475,7 @@
Add<HStoreNamedField>(object, access, result);
} else {
Representation representation = details.representation();
- HInstruction* value_instruction;
+ HInstruction* value_instruction = Add<HConstant>(value);
if (representation.IsDouble()) {
// Allocate a HeapNumber box and store the value into it.
@@ -9490,16 +9490,8 @@
AddStoreMapConstant(double_box,
isolate()->factory()->heap_number_map());
Add<HStoreNamedField>(double_box,
HObjectAccess::ForHeapNumberValue(),
- Add<HConstant>(value));
+ value_instruction);
value_instruction = double_box;
- } else if (representation.IsSmi()) {
- value_instruction = value->IsUninitialized()
- ? graph()->GetConstant0()
- : Add<HConstant>(value);
- // Ensure that value is stored as smi.
- access = access.WithRepresentation(representation);
- } else {
- value_instruction = Add<HConstant>(value);
}
Add<HStoreNamedField>(object, access, value_instruction);
=======================================
--- /branches/3.23/src/version.cc Thu Feb 27 12:57:31 2014 UTC
+++ /branches/3.23/src/version.cc Thu Feb 27 13:57:49 2014 UTC
@@ -35,7 +35,7 @@
#define MAJOR_VERSION 3
#define MINOR_VERSION 23
#define BUILD_NUMBER 17
-#define PATCH_LEVEL 16
+#define PATCH_LEVEL 17
// Use 1 for candidates and 0 otherwise.
// (Boolean macro values are not supported by all preprocessors.)
#define IS_CANDIDATE_VERSION 0
--
--
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