I checked in this patch to remove redundant setting of
misaligned_prologue_used.
H.J.
---
Index: ChangeLog
===================================================================
--- ChangeLog (revision 204511)
+++ ChangeLog (working copy)
@@ -1,3 +1,8 @@
+2013-11-07 H.J. Lu <hongjiu...@intel.com>
+
+ * config/i386/i386.c (ix86_expand_set_or_movmem): Don't set
+ misaligned_prologue_used when it has been set.
+
2013-11-07 Yury Gribov <y.gri...@samsung.com>
Jakub Jelinek <ja...@redhat.com>
Index: config/i386/i386.c
===================================================================
--- config/i386/i386.c (revision 204511)
+++ config/i386/i386.c (working copy)
@@ -23796,7 +23796,6 @@ ix86_expand_set_or_movmem (rtx dst, rtx
if (misaligned_prologue_used)
{
/* Misaligned move prologue handled small blocks by itself. */
- misaligned_prologue_used = true;
expand_set_or_movmem_prologue_epilogue_by_misaligned_moves
(dst, src, &destreg, &srcreg,
move_mode, promoted_val, vec_promoted_val,
