Revision: 21171
Author: [email protected]
Date: Tue May 6 14:20:46 2014 UTC
Log: Fixed jump in non-SSE4.1 implementation of LMathFloor instruction
on x64.
BUG=chromium:370384
LOG=N
[email protected]
Review URL: https://codereview.chromium.org/261853009
http://code.google.com/p/v8/source/detail?r=21171
Added:
/branches/bleeding_edge/test/mjsunit/regress/regress-370384.js
Modified:
/branches/bleeding_edge/src/x64/lithium-codegen-x64.cc
=======================================
--- /dev/null
+++ /branches/bleeding_edge/test/mjsunit/regress/regress-370384.js Tue May
6 14:20:46 2014 UTC
@@ -0,0 +1,16 @@
+// 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: --deopt-every-n-times=1 --no-enable_sse4_1
+
+function g(f, x, name) {
+ var v2 = f(x);
+ for (var i = 0; i < 13000; i++) {
+ f(i);
+ }
+ var v1 = f(x);
+ assertEquals(v1, v2);
+}
+
+g(Math.sin, 6.283185307179586, "Math.sin");
=======================================
--- /branches/bleeding_edge/src/x64/lithium-codegen-x64.cc Tue May 6
07:49:21 2014 UTC
+++ /branches/bleeding_edge/src/x64/lithium-codegen-x64.cc Tue May 6
14:20:46 2014 UTC
@@ -3639,7 +3639,7 @@
__ testq(output_reg, Immediate(1));
DeoptimizeIf(not_zero, instr->environment());
__ Set(output_reg, 0);
- __ jmp(&done, Label::kNear);
+ __ jmp(&done);
__ bind(&positive_sign);
}
--
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