(cse_insn): Correctly check for two modes being the same number of

words. From-SVN: r7292

(cse_insn): Correctly check for two modes being the same number of
words. From-SVN: r7292
6cdbaec4 · Richard Kenner · 95da80ce · 6cdbaec4
Commit 6cdbaec4 authored May 13, 1994 by Richard Kenner
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gcc/cse.c
+3 -2

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--- a/gcc/cse.c
+++ b/gcc/cse.c
@@ -7128,8 +7128,9 @@ cse_insn (insn, in_libcall_block)
 	   already entered SRC and DEST of the SET in the table.  */

 	if (GET_CODE (dest) == SUBREG
-	    && (GET_MODE_SIZE (GET_MODE (SUBREG_REG (dest))) / UNITS_PER_WORD
-		== GET_MODE_SIZE (GET_MODE (dest)) / UNITS_PER_WORD)
+	    && (((GET_MODE_SIZE (GET_MODE (SUBREG_REG (dest))) - 1)
+		 / UNITS_PER_WORD)
+		== (GET_MODE_SIZE (GET_MODE (dest)) - 1)/ UNITS_PER_WORD)
 	    && (GET_MODE_SIZE (GET_MODE (dest))
 		>= GET_MODE_SIZE (GET_MODE (SUBREG_REG (dest))))
 	    && sets[i].src_elt != 0)