Merge pull request #9958 from mnalam-p/disable_auto_simd_for_commoned…

…_piv_usage-v0.21.0-release (0.21.0) Disable vectorization of induction variable
eclipse-openj9 · Jun 22, 2020 · 7cbda56 · 7cbda56
2 parents a922907 + d2b626e
commit 7cbda56
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/runtime/compiler/optimizer/SPMDParallelizer.cpp b/runtime/compiler/optimizer/SPMDParallelizer.cpp
@@ -698,8 +698,9 @@ bool TR_SPMDKernelParallelizer::visitNodeToSIMDize(TR::Node *parent, int32_t chi
 
 	       if (trace && !platformSupport)
                   traceMsg(comp, "   Found use of induction variable at node [%p] - platform does not support this vectorization\n", node);
-
-               return platformSupport;
+               if (trace && platformSupport)
+                  traceMsg(comp, "   Found use of induction variable at node [%p] - vectorization disabled for now\n", node);
+               return false;  // see : eclipse/openj9/9446
                }
             }
          }