From patchwork Fri Nov  9 10:30:27 2012
Content-Type: text/plain; charset="utf-8"
MIME-Version: 1.0
Content-Transfer-Encoding: 7bit
Subject: [SH] Enable shrink-wrap with reorder_blocks_and_parition
Date: Fri, 09 Nov 2012 00:30:27 -0000
From: Christian Bruel <christian.bruel@st.com>
X-Patchwork-Id: 198014
Message-Id: <509CDB43.9000708@st.com>
To: Kaz Kojima <kkojima@rr.iij4u.or.jp>,
 "gcc-patches@gcc.gnu.org" <gcc-patches@gcc.gnu.org>

Hi Kaz,

Now that the cross-jumping problem is fixed since rev #193350, I'd like
to remove this restriction and close PR/54546.

Checked with default sh-sim target_board and
--target_board=sh-sim/-freorder-blocks-and-partition.

Thanks

Christian


2012-11-09  Christian Bruel  <christian.bruel@st.com>

	* config/sh/sh.c (sh_can_use_simple_return_p): Allow with reorder-blocks-and-partition.

Index: config/sh/sh.c
===================================================================
--- config/sh/sh.c	(revision 193350)
+++ config/sh/sh.c	(working copy)
@@ -13330,10 +13330,6 @@ sh_can_use_simple_return_p (void)
   if (optimize_function_for_size_p (cfun))
     return false;
 
-  /* Can't optimize CROSSING_JUMPS for now.  */
-  if (flag_reorder_blocks_and_partition)
-    return false;
-
   /* Finally, allow for pr save.  */
   d = calc_live_regs (&live_regs_mask);