From 7687c5b8c6de5dbeb4b14f9957783673daf2595e Mon Sep 17 00:00:00 2001
From: Richard Henderson <rth@gcc.gnu.org>
Date: Mon, 31 Dec 2001 13:33:36 -0800
Subject: [PATCH] * final.c (alter_subreg): Assign REGNO after changing the rtx
 code.

From-SVN: r48432
---
 gcc/final.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/gcc/final.c b/gcc/final.c
index e875a7e8a7a..ffad9aef32c 100644
--- a/gcc/final.c
+++ b/gcc/final.c
@@ -2754,8 +2754,9 @@ alter_subreg (xp)
       /* Simplify_subreg can't handle some REG cases, but we have to.  */
       else if (GET_CODE (y) == REG)
 	{
-	  REGNO (x) = subreg_hard_regno (x, 1);
+	  unsigned int regno = subreg_hard_regno (x, 1);
 	  PUT_CODE (x, REG);
+	  REGNO (x) = regno;
 	  ORIGINAL_REGNO (x) = ORIGINAL_REGNO (y);
 	  /* This field has a different meaning for REGs and SUBREGs.  Make
 	     sure to clear it!  */
-- 
2.30.2