1 files changed, 5 insertions, 0 deletions
diff --git a/gcc/cse.c b/gcc/cse.c
index ffe7efb..73eb1c6 100644
--- a/gcc/cse.c
+++ b/gcc/cse.c
@@ -3489,6 +3489,11 @@ fold_rtx (rtx x, rtx insn)
 			  && exact_log2 (- INTVAL (const_arg1)) >= 0)))
 		break;
 
+	      /* ??? Vector mode shifts by scalar
+		 shift operand are not supported yet.  */
+	      if (is_shift && VECTOR_MODE_P (mode))
+                break;
+
 	      if (is_shift
 		  && (INTVAL (inner_const) >= GET_MODE_BITSIZE (mode)
 		      || INTVAL (inner_const) < 0))