From: Jeff Law <law@gcc.gnu.org>
Date: Fri, 18 Sep 1998 21:54:39 +0000 (-0600)
Subject: reload.c (find_reloads): Do not replace a pseudo with (MEM (reg_equiv_addr)) in the... 
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=0a6401c41190201cab338d48a3c12509f50a9c6e;p=gcc.git

reload.c (find_reloads): Do not replace a pseudo with (MEM (reg_equiv_addr)) in the initializing insn...

P
        * reload.c (find_reloads): Do not replace a pseudo with
        (MEM (reg_equiv_addr)) in the initializing insn for the
        pseudo.

From-SVN: r22473
---

diff --git a/gcc/reload.c b/gcc/reload.c
index 1aec4fb633b..a97357f3bcd 100644
--- a/gcc/reload.c
+++ b/gcc/reload.c
@@ -2673,7 +2673,8 @@ find_reloads (insn, replace, ind_levels, live_known, reload_reg_p)
 	    substed_operand[i] = recog_operand[i]
 	      = reg_equiv_mem[regno];
 #endif
-	  if (reg_equiv_address[regno] != 0)
+	  if (reg_equiv_address[regno] != 0
+	      && (set == 0 || &SET_DEST (set) != recog_operand_loc[i]))
 	    {
 	      /* If reg_equiv_address is not a constant address, copy it,
 		 since it may be shared.  */