1 files changed, 7 insertions, 0 deletions
diff --git a/gcc/combine.c b/gcc/combine.c
index fc94c68..754cd34 100644
--- a/gcc/combine.c
+++ b/gcc/combine.c
@@ -11990,6 +11990,13 @@ simplify_comparison (enum rtx_code code, rtx *pop0, rtx *pop1)
 	    }
 	}
 
+  /* We may have changed the comparison operands.  Re-canonicalize.  */
+  if (swap_commutative_operands_p (op0, op1))
+    {
+      tem = op0, op0 = op1, op1 = tem;
+      code = swap_condition (code);
+    }
+
   /* If this machine only supports a subset of valid comparisons, see if we
      can convert an unsupported one into a supported one.  */
   target_canonicalize_comparison (&code, &op0, &op1, 0);