From: Richard Stallman <rms@gnu.org>
Date: Wed, 27 Oct 1993 23:22:38 +0000 (+0000)
Subject: (cse_insn): When using src_related, copy the rtx.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=0af62b41cdf34768bec569d3a4d0ff7f6cada9a3;p=gcc.git

(cse_insn): When using src_related, copy the rtx.

Likewise for src_eqv_here.

From-SVN: r5922
---

diff --git a/gcc/cse.c b/gcc/cse.c
index ade0532ce45..46806b3ae4a 100644
--- a/gcc/cse.c
+++ b/gcc/cse.c
@@ -6403,9 +6403,9 @@ cse_insn (insn, in_libcall_block)
 	    trial = src, src_cost = 10000;
           else if (src_eqv_cost <= src_related_cost
 	           && src_eqv_cost <= src_elt_cost)
-	    trial = src_eqv_here, src_eqv_cost = 10000;
+	    trial = copy_rtx (src_eqv_here), src_eqv_cost = 10000;
           else if (src_related_cost <= src_elt_cost)
-	    trial = src_related, src_related_cost = 10000;
+	    trial = copy_rtx (src_related), src_related_cost = 10000;
           else
 	    {
 	      trial = copy_rtx (elt->exp);