2011-08-18 Tobias Burnus <burnus@net-b.de>

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

diff --git a/gcc/sel-sched-ir.h b/gcc/sel-sched-ir.h
index 1950a65..c8f8be6 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.
 
@@ -23,7 +23,7 @@ along with GCC; see the file COPYING3.  If not see
 
 /* For state_t.  */
 #include "insn-attr.h"
-/* For regset_head.  */
+#include "regset.h"
 #include "basic-block.h"
 /* For reg_note.  */
 #include "rtl.h"
@@ -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)
@@ -715,14 +719,15 @@ 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.  */
   htab_t transformed_insns;
 
   /* A context incapsulating this insn.  */
-  struct deps deps_context;
+  struct deps_desc deps_context;
 
   /* This field is initialized at the beginning of scheduling and is used
      to handle sched group instructions.  If it is non-null, then it points
@@ -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);
 
@@ -1559,7 +1565,7 @@ extern void av_set_leave_one_nonspec (av_set_t *);
 extern expr_t av_set_element (av_set_t, int);
 extern void av_set_substract_cond_branches (av_set_t *);
 extern void av_set_split_usefulness (av_set_t, int, int);
-extern void av_set_intersect (av_set_t *, av_set_t);
+extern void av_set_code_motion_filter (av_set_t *, av_set_t);
 
 extern void sel_save_haifa_priorities (void);
 
@@ -1567,6 +1573,7 @@ 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);
@@ -1584,7 +1591,6 @@ extern bool sel_remove_insn (insn_t, bool, bool);
 extern bool bb_header_p (insn_t);
 extern void sel_init_invalid_data_sets (insn_t);
 extern bool insn_at_boundary_p (insn_t);
-extern bool jump_leads_only_to_bb_p (insn_t, basic_block);
 
 /* Basic block and CFG functions.  */
 
@@ -1597,7 +1603,7 @@ 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);
@@ -1612,12 +1618,10 @@ extern bool in_same_ebb_p (insn_t, insn_t);
 extern bool tidy_control_flow (basic_block, bool);
 extern void free_bb_note_pool (void);
 
-extern void sel_remove_empty_bb (basic_block, bool, bool);
-extern bool maybe_tidy_empty_bb (basic_block bb);
+extern void purge_empty_blocks (void);
 extern basic_block sel_split_edge (edge);
 extern basic_block sel_create_recovery_block (insn_t);
-extern void sel_merge_blocks (basic_block, basic_block);
-extern void sel_redirect_edge_and_branch (edge, basic_block);
+extern bool sel_redirect_edge_and_branch (edge, basic_block);
 extern void sel_redirect_edge_and_branch_force (edge, basic_block);
 extern void sel_init_pipelining (void);
 extern void sel_finish_pipelining (void);
@@ -1625,7 +1629,7 @@ 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);