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diff src/share/vm/opto/matcher.cpp @ 3345:bad7ecd0b6ed

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5091921: Sign flip issues in loop optimizer Summary: Fix integer overflow problem in the code generated by loop optimizer. Reviewed-by: never
author kvn
date Wed, 04 May 2011 13:12:42 -0700
parents 1d1603768966
children 7d9e451f5416
line wrap: on
line diff
--- a/src/share/vm/opto/matcher.cpp	Wed May 04 03:42:58 2011 -0700
+++ b/src/share/vm/opto/matcher.cpp	Wed May 04 13:12:42 2011 -0700
@@ -2086,6 +2086,13 @@
         n->del_req(3);
         break;
       }
+      case Op_LoopLimit: {
+        Node *pair1 = new (C, 3) BinaryNode(n->in(1),n->in(2));
+        n->set_req(1,pair1);
+        n->set_req(2,n->in(3));
+        n->del_req(3);
+        break;
+      }
       case Op_StrEquals: {
         Node *pair1 = new (C, 3) BinaryNode(n->in(2),n->in(3));
         n->set_req(2,pair1);