From de5a7249f912f5d1166f7831e3c0f4f1b9998210 Mon Sep 17 00:00:00 2001
From: Luke Wagner <luke@mozilla.com>
Date: Mon, 22 Apr 2013 16:31:41 -0700
Subject: [PATCH] Bug 864402 - OdinMonkey: int MAdd/MMul should be marked
 commutative (r=sstangl)

--HG--
extra : rebase_source : 53a771c126bfa101f6b7b5b75c81ce22666728da
---
 js/src/ion/MIR.h | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/js/src/ion/MIR.h b/js/src/ion/MIR.h
index 644fb187683..5db622c74b6 100644
--- a/js/src/ion/MIR.h
+++ b/js/src/ion/MIR.h
@@ -3028,8 +3028,10 @@ class MAdd : public MBinaryArithInstruction
         MAdd *add = new MAdd(left, right);
         add->specialization_ = type;
         add->setResultType(type);
-        if (type == MIRType_Int32)
+        if (type == MIRType_Int32) {
             add->setTruncated(true);
+            add->setCommutative();
+        }
         return add;
     }
     void analyzeTruncateBackward();
@@ -3101,6 +3103,7 @@ class MMul : public MBinaryArithInstruction
             // can never fail and always truncates its output to int32.
             canBeNegativeZero_ = false;
             setTruncated(true);
+            setCommutative();
         }
         JS_ASSERT_IF(mode != Integer, mode == Normal);