From: Richard Kenner <kenner@gcc.gnu.org>
Date: Wed, 5 May 1993 18:37:24 +0000 (-0400)
Subject: (convert_move): Make copy of operands for REG_EQUAL note to avoid sharing RTL if... 
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=2abec1b739563b76ede2b39e9ecd5e2be2bd9b4f;p=gcc.git

(convert_move): Make copy of operands for REG_EQUAL note to avoid sharing RTL if called later than RTL generation...

(convert_move): Make copy of operands for REG_EQUAL note to avoid
sharing RTL if called later than RTL generation, though probably not
called after RTL generation.

From-SVN: r4339
---

diff --git a/gcc/expr.c b/gcc/expr.c
index 4b317cb446c..546555c5e7f 100644
--- a/gcc/expr.c
+++ b/gcc/expr.c
@@ -862,7 +862,7 @@ convert_move (to, from, unsignedp)
       end_sequence ();
 
       emit_no_conflict_block (insns, to, from, NULL_RTX,
-			      gen_rtx (equiv_code, to_mode, from));
+			      gen_rtx (equiv_code, to_mode, copy_rtx (from)));
       return;
     }