From: Jim Wilson <wilson@gcc.gnu.org>
Date: Thu, 19 Aug 1993 23:17:58 +0000 (-0700)
Subject: (simplify_shift_const...
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=00d4ca1c644a1a4c5d35e41a570479096f7a940c;p=gcc.git

(simplify_shift_const...

(simplify_shift_const, XOR case): When applying
distributive law, use shift_mode and GET_MODE (varop) instead of
result_mode.

From-SVN: r5189
---

diff --git a/gcc/combine.c b/gcc/combine.c
index 6a39d876bf7..20694090c59 100644
--- a/gcc/combine.c
+++ b/gcc/combine.c
@@ -7600,12 +7600,12 @@ simplify_shift_const (x, code, result_mode, varop, count)
 	     logical expression, make a new logical expression, and apply
 	     the inverse distributive law.  */
 	  {
-	    rtx lhs = simplify_shift_const (NULL_RTX, code, result_mode,
+	    rtx lhs = simplify_shift_const (NULL_RTX, code, shift_mode,
 					    XEXP (varop, 0), count);
-	    rtx rhs = simplify_shift_const (NULL_RTX, code, result_mode,
+	    rtx rhs = simplify_shift_const (NULL_RTX, code, shift_mode,
 					    XEXP (varop, 1), count);
 
-	    varop = gen_binary (GET_CODE (varop), result_mode, lhs, rhs);
+	    varop = gen_binary (GET_CODE (varop), GET_MODE (varop), lhs, rhs);
 	    varop = apply_distributive_law (varop);
 
 	    count = 0;