Revision: 22744
Author: [email protected]
Date: Thu Jul 31 09:57:59 2014 UTC
Log: Fix detection of UBFX in case of Word32And with immediate.
[email protected]
Review URL: https://codereview.chromium.org/438563002
http://code.google.com/p/v8/source/detail?r=22744
Modified:
/branches/bleeding_edge/src/compiler/arm/instruction-selector-arm.cc
=======================================
--- /branches/bleeding_edge/src/compiler/arm/instruction-selector-arm.cc
Thu Jul 31 07:44:29 2014 UTC
+++ /branches/bleeding_edge/src/compiler/arm/instruction-selector-arm.cc
Thu Jul 31 09:57:59 2014 UTC
@@ -418,7 +418,7 @@
uint32_t value = m.right().Value();
uint32_t width = CompilerIntrinsics::CountSetBits(value);
uint32_t msb = CompilerIntrinsics::CountLeadingZeros(value);
- if (msb + width == 32) {
+ if (width != 0 && msb + width == 32) {
ASSERT_EQ(0, CompilerIntrinsics::CountTrailingZeros(value));
if (m.left().IsWord32Shr()) {
Int32BinopMatcher mleft(m.left().node());
--
--
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