From: Jim Wilson <wilson@gcc.gnu.org>
Date: Wed, 25 Jan 1995 23:09:41 +0000 (-0800)
Subject: (expand_expr, case MIN_EXPR): If must emit multiple
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=fa2981d865a08fd388fad6480959a7a965f880ea;p=gcc.git

(expand_expr, case MIN_EXPR): If must emit multiple
instructions, then don't allow a MEM target.

From-SVN: r8822
---

diff --git a/gcc/expr.c b/gcc/expr.c
index 785e74294e1..7cc7d284ccc 100644
--- a/gcc/expr.c
+++ b/gcc/expr.c
@@ -5447,6 +5447,12 @@ expand_expr (exp, target, tmode, modifier)
       if (temp != 0)
 	return temp;
 
+      /* At this point, a MEM target is no longer useful; we will get better
+	 code without it.  */
+	 
+      if (GET_CODE (target) == MEM)
+	target = gen_reg_rtx (mode);
+
       if (target != op0)
 	emit_move_insn (target, op0);