X-Git-Url: http://git.sourceforge.jp/view?a=blobdiff_plain;f=gcc%2Fsel-sched-ir.h;h=c454887f16a055774fded268cf33e9d2e53b7971;hb=d4107d7c17c6f69e7ff93546e24d1490757cf49a;hp=5516da9391f1555052ef9e865b7264c8289e27d3;hpb=c53624fbd348540040a860e4903d35c9bedeb79d;p=pf3gnuchains%2Fgcc-fork.git

diff --git a/gcc/sel-sched-ir.h b/gcc/sel-sched-ir.h
index 5516da9391f..c454887f16a 100644
--- a/gcc/sel-sched-ir.h
+++ b/gcc/sel-sched-ir.h
@@ -1,6 +1,7 @@
 /* Instruction scheduling pass.  This file contains definitions used
    internally in the scheduler.
-   Copyright (C) 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
+   Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011, 2012
+   Free Software Foundation, Inc.
 
 This file is part of GCC.
 
@@ -1119,7 +1120,8 @@ get_all_loop_exits (basic_block bb)
   /* If bb is empty, and we're skipping to loop exits, then
      consider bb as a possible gate to the inner loop now.  */
   while (sel_bb_empty_or_nop_p (bb)
-	 && in_current_region_p (bb))
+	 && in_current_region_p (bb)
+	 && EDGE_COUNT (bb->succs) > 0)
     {
       bb = single_succ (bb);
 
@@ -1573,6 +1575,7 @@ extern void sel_init_global_and_expr (bb_vec_t);
 extern void sel_finish_global_and_expr (void);
 
 extern regset compute_live (insn_t);
+extern bool register_unavailable_p (regset, rtx);
 
 /* Dependence analysis functions.  */
 extern void sel_clear_has_dependence (void);
@@ -1602,7 +1605,7 @@ extern bool sel_bb_empty_p (basic_block);
 extern bool in_current_region_p (basic_block);
 extern basic_block fallthru_bb_of_jump (rtx);
 
-extern void sel_init_bbs (bb_vec_t, basic_block);
+extern void sel_init_bbs (bb_vec_t);
 extern void sel_finish_bbs (void);
 
 extern struct succs_info * compute_succs_info (insn_t, short);
@@ -1628,7 +1631,7 @@ extern void sel_sched_region (int);
 extern loop_p get_loop_nest_for_rgn (unsigned int);
 extern bool considered_for_pipelining_p (struct loop *);
 extern void make_region_from_loop_preheader (VEC(basic_block, heap) **);
-extern void sel_add_loop_preheaders (void);
+extern void sel_add_loop_preheaders (bb_vec_t *);
 extern bool sel_is_loop_preheader_p (basic_block);
 extern void clear_outdated_rtx_info (basic_block);
 extern void free_data_sets (basic_block);