From: Richard Kenner <kenner@gcc.gnu.org>
Date: Tue, 12 Nov 1996 21:15:19 +0000 (-0500)
Subject: (prune_references): Add missing symmetic CONFLICTP call.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=99fd40121fe7369751326202ad6370bb993298e2;p=gcc.git

(prune_references): Add missing symmetic CONFLICTP call.

From-SVN: r13143
---

diff --git a/gcc/global.c b/gcc/global.c
index 12088d880b9..a4f5ab18f3b 100644
--- a/gcc/global.c
+++ b/gcc/global.c
@@ -871,7 +871,8 @@ prune_preferences ()
 	 we want to give the lower-priority allocno the first chance for
 	 these registers).  */
       for (j = i + 1; j < max_allocno; j++)
-	if (CONFLICTP (allocno, allocno_order[j]))
+	if (CONFLICTP (allocno, allocno_order[j])
+	    || CONFLICTP (allocno_order[j], allocno))
 	  {
 	    COPY_HARD_REG_SET (temp,
 			       hard_reg_full_preferences[allocno_order[j]]);