From: Richard Stallman <rms@gnu.org>
Date: Sun, 18 Oct 1992 00:49:34 +0000 (+0000)
Subject: (find_reloads_address): Redo last change: copy the mem
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=ca3e4a2f2dba408a1706736ff1ec9cb8942edb38;p=gcc.git

(find_reloads_address): Redo last change: copy the mem
in the same way it's usually done.

From-SVN: r2503
---

diff --git a/gcc/reload.c b/gcc/reload.c
index befe84ecdea..f5afa5fc566 100644
--- a/gcc/reload.c
+++ b/gcc/reload.c
@@ -3633,7 +3633,13 @@ find_reloads_address (mode, memrefloc, ad, loc, operand, ind_levels)
       /* If tem was changed, then we must create a new memory reference to
 	 hold it and store it back into memrefloc.  */
       if (tem != ad && memrefloc)
-	*memrefloc = gen_rtx (MEM, GET_MODE (*memrefloc), tem);
+	{
+	  rtx oldref = *memrefloc;
+	  *memrefloc = copy_rtx (*memrefloc);
+	  loc = &XEXP (*memrefloc, 0);
+	  if (operand == oldref)
+	    operand = *memrefloc;
+	}
 
       /* Check similar cases as for indirect addresses as above except
 	 that we can allow pseudos and a MEM since they should have been