commit 662436e7b124b3535773535c671c53db322070b5
author verwaest@chromium.org <verwaest@chromium.org@ce2b1a6d-e550-0410-aec6-3dcde31c8c00> Wed Aug 28 08:41:27 2013 +0000
committer verwaest@chromium.org <verwaest@chromium.org@ce2b1a6d-e550-0410-aec6-3dcde31c8c00> Wed Aug 28 08:41:27 2013 +0000
tree 7c15b9af30349849640629b060d3bd2f8e51a1a4
parent cc8e177451e2ab80cf4eacfd782d19cd05ec2070

Version 3.21.5

Fixed compilation with recent MinGW64 versions. (issue 2300)

Added RemovePrototype to FunctionTemplate. (Chromium issue 272440)

Performance and stability improvements on all platforms.

git-svn-id: http://v8.googlecode.com/svn/trunk@16383 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/hydrogen-canonicalize.cc

diff --git a/src/hydrogen-canonicalize.cc b/src/hydrogen-canonicalize.cc
index 6432343..4d96415 100644
--- a/src/hydrogen-canonicalize.cc
+++ b/src/hydrogen-canonicalize.cc
@@ -48,6 +48,10 @@
           if (instr->HasAtLeastOneUseWithFlagAndNoneWithout(
                   HInstruction::kTruncatingToSmi)) {
             instr->SetFlag(HInstruction::kAllUsesTruncatingToSmi);
+          } else if (instr->HasAtLeastOneUseWithFlagAndNoneWithout(
+                         HInstruction::kTruncatingToInt32)) {
+            // Avoid redundant minus zero check
+            instr->SetFlag(HInstruction::kAllUsesTruncatingToInt32);
           }
         }
       }