[PATCH][OBVIOUS] Fix thinko in transition to memop_ret type (PR middle-end/88246).

[Martin Liška]

Hi.

One obvious thinko I did when I convert the endp into a new enum.
The patch survives tests and bootstrap on x86_64-linux-gnu and
fixes the ICE in s390x bootstrap. I'm going to install it.

Martin

gcc/ChangeLog:

2018-11-29  Martin Liska  <mli...@suse.cz>

        PR middle-end/88246
        * builtins.c (expand_movstr): Fix thinko introduced
        when switching to the new enum.
---
 gcc/builtins.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)



diff --git a/gcc/builtins.c b/gcc/builtins.c
index dcac49d8be1..537228cf3be 100644
--- a/gcc/builtins.c
+++ b/gcc/builtins.c
@@ -3931,7 +3931,7 @@ expand_movstr (tree dest, tree src, rtx target, memop_ret retmode)
 
   dest_mem = get_memory_rtx (dest, NULL);
   src_mem = get_memory_rtx (src, NULL);
-  if (retmode != RETURN_BEGIN)
+  if (retmode == RETURN_BEGIN)
     {
       target = force_reg (Pmode, XEXP (dest_mem, 0));
       dest_mem = replace_equiv_address (dest_mem, target);