(simplify_comparison, case ASHIFTRT): mode_for_size

returns BLKmode on error, not VOIDmode. From-SVN: r2761

(simplify_comparison, case ASHIFTRT): mode_for_size
returns BLKmode on error, not VOIDmode. From-SVN: r2761
22331794 · Richard Stallman · e2549997 · 22331794
Commit 22331794 authored Nov 20, 1992 by Richard Stallman
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gcc/combine.c
+1 -1

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--- a/gcc/combine.c
+++ b/gcc/combine.c
@@ -8357,7 +8357,7 @@ simplify_comparison (code, pop0, pop1)
 	      && GET_CODE (XEXP (op0, 0)) == ASHIFT
 	      && XEXP (op0, 1) == XEXP (XEXP (op0, 0), 1)
 	      && (tmode = mode_for_size (mode_width - INTVAL (XEXP (op0, 1)),
-					 MODE_INT, 1)) != VOIDmode
+					 MODE_INT, 1)) != BLKmode
 	      && ((unsigned HOST_WIDE_INT) const_op <= GET_MODE_MASK (tmode)
 		  || ((unsigned HOST_WIDE_INT) - const_op
 		      <= GET_MODE_MASK (tmode))))