(subst, shift and rotate cases): Test value of SHIFT_COUNT_TRUNCATED

if it is defined. From-SVN: r5730

(subst, shift and rotate cases): Test value of SHIFT_COUNT_TRUNCATED
if it is defined. From-SVN: r5730
5541136b · Richard Kenner · 1ebecb64 · 5541136b
Commit 5541136b authored Oct 11, 1993 by Richard Kenner
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gcc/combine.c
+1 -1

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--- a/gcc/combine.c
+++ b/gcc/combine.c
@@ -4674,7 +4674,7 @@ subst (x, from, to, in_dest, unique_copy)
 	}

 #ifdef SHIFT_COUNT_TRUNCATED
-      else if (GET_CODE (XEXP (x, 1)) != REG)
+      else if (SHIFT_COUNT_TRUNCATED && GET_CODE (XEXP (x, 1)) != REG)
 	SUBST (XEXP (x, 1),
 	       force_to_mode (XEXP (x, 1), GET_MODE (x),
 			      ((HOST_WIDE_INT) 1