From: Richard Kenner <kenner@gcc.gnu.org>
Date: Fri, 13 May 1994 19:12:01 +0000 (-0400)
Subject: (cse_insn): Correctly check for two modes being the same number of
X-Git-Tag: misc/cutover-egcs-0~6651
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6cdbaec41bb6b33c0f5bb30770a70b6a8af8af59;p=thirdparty%2Fgcc.git

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

From-SVN: r7292
---

diff --git a/gcc/cse.c b/gcc/cse.c
index 926f06b68a02..6eb8758a2b90 100644
--- 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)