From 4b4de898c94e678bbcfa677bbb524fc3bf33ed51 Mon Sep 17 00:00:00 2001
From: Joern Rennecke <joern.rennecke@embecosm.com>
Date: Sun, 30 Sep 2012 19:25:49 +0000
Subject: re PR rtl-optimization/38449 (delay branch scheduling follows
 REG_CROSSING_JUMP jumps indiscriminately)

        PR rtl-optimization/38449:
        * hooks.c (hook_bool_const_rtx_const_rtx_true): New function.
        * hooks.h (hook_bool_const_rtx_const_rtx_true): Declare.
        * target.def: Merge in definitions and documentation for
        TARGET_CAN_FOLLOW_JUMP.
        * doc/tm.texi.in: Add documentation locations for the above.
        * doc/tm.texi: Regenerate.
        * reorg.c (follow_jumps): New parameters jump and crossing.
        Changed all callers.

From-SVN: r191878
---
 gcc/hooks.c | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'gcc/hooks.c')

diff --git a/gcc/hooks.c b/gcc/hooks.c
index 775da3c..b262522 100644
--- a/gcc/hooks.c
+++ b/gcc/hooks.c
@@ -117,6 +117,14 @@ hook_bool_mode_rtx_true (enum machine_mode mode ATTRIBUTE_UNUSED,
   return true;
 }
 
+/* Generic hook that takes (rtx, rtx) and returns true.  */
+bool
+hook_bool_const_rtx_const_rtx_true (const_rtx follower ATTRIBUTE_UNUSED,
+				    const_rtx followee ATTRIBUTE_UNUSED)
+{
+  return true;
+}
+
 /* Generic hook that takes (enum machine_mode, unsigned HOST_WIDE_INT)
    and returns false.  */
 bool
-- 
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