PR c++/43281

[pf3gnuchains/gcc-fork.git] / gcc / sel-sched-ir.h

diff --git a/gcc/sel-sched-ir.h b/gcc/sel-sched-ir.h
index db2989b..20f0bba 100644 (file)
--- a/gcc/sel-sched-ir.h
+++ b/gcc/sel-sched-ir.h
@@ -1,6 +1,6 @@
 /* Instruction scheduling pass.  This file contains definitions used
    internally in the scheduler.
-   Copyright (C) 2006, 2007, 2008, 2009 Free Software Foundation, Inc.
+   Copyright (C) 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
 
 This file is part of GCC.
 
@@ -296,6 +296,9 @@ struct _fence
   /* Insn, which has been scheduled last on this fence.  */
   rtx last_scheduled_insn;
 
+  /* The last value of can_issue_more variable on this fence.  */
+  int issue_more;
+
   /* If non-NULL force the next scheduled insn to be SCHED_NEXT.  */
   rtx sched_next;
 
@@ -325,6 +328,7 @@ typedef struct _fence *fence_t;
 #define FENCE_DC(F) ((F)->dc)
 #define FENCE_TC(F) ((F)->tc)
 #define FENCE_LAST_SCHEDULED_INSN(F) ((F)->last_scheduled_insn)
+#define FENCE_ISSUE_MORE(F) ((F)->issue_more)
 #define FENCE_EXECUTING_INSNS(F) ((F)->executing_insns)
 #define FENCE_READY_TICKS(F) ((F)->ready_ticks)
 #define FENCE_READY_TICKS_SIZE(F) ((F)->ready_ticks_size)
@@ -715,7 +719,8 @@ struct _sel_insn_data
   bitmap found_deps;
 
   /* An INSN_UID bit is set when this is a bookkeeping insn generated from
-     a parent with this uid.  */
+     a parent with this uid.  If a parent is a bookkeeping copy, all its
+     originators are transitively included in this set.  */
   bitmap originators;
 
   /* A hashtable caching the result of insn transformations through this one.  */
@@ -1142,7 +1147,8 @@ get_all_loop_exits (basic_block bb)
 
       /* Traverse all loop headers.  */
       for (i = 0; VEC_iterate (edge, exits, i, e); i++)
-       if (in_current_region_p (e->dest))
+       if (in_current_region_p (e->dest)
+           || inner_loop_header_p (e->dest))
          {
            VEC(edge, heap) *next_exits = get_all_loop_exits (e->dest);