(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 785e74294e1ff21857791e8d605bbc0d46f46d10..7cc7d284ccc72e0fff9cee34be5c1b1d770fb65c 100644 (file)
--- 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);