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[PATCH 173/236] insn_t becomes an rtx_insn *


gcc/
	* sel-sched-ir.h (insn_t): Strengthen from rtx to rtx_insn *.
	(BND_TO): Delete this function and...
	(SET_BND_TO): ...this functions in favor of...
	(BND_TO): ...reinstating this macro.
	(struct _fence): Strengthen field "executing_insns" from
	vec<rtx, va_gc> * to vec<rtx_insn *, va_gc> *.  Strengthen fields
	"last_scheduled_insn" and "sched_next" from rtx to rtx_insn *.
	(_succ_iter_cond): Update param "succp" from rtx * to insn_t *
	and param "insn" from rtx to insn_t.
	(create_vinsn_from_insn_rtx): Strengthen first param from rtx to
	rtx_insn *.

	* sched-int.h (insn_vec_t): Strengthen from vec<rtx> to
	vec<rtx_insn *> .
	(rtx_vec_t): Likewise.
	(struct sched_deps_info_def): Strengthen param of "start_insn"
	callback from rtx to rtx_insn *.  Likewise for param "insn2" of
	"note_mem_dep" callback and first param of "note_dep" callback.

	* haifa-sched.c (add_to_speculative_block): Strengthen param
	"insn" from rtx to rtx_insn *.
	(clear_priorities): Likewise.
	(calc_priorities): Likewise for local "insn".

	* sched-deps.c (haifa_start_insn): Likewise for param "insn".
	Remove redundant checked cast.
	(haifa_note_mem_dep): Likewise for param "pending_insn".
	(haifa_note_dep): Likewise for param "elem".
	(note_mem_dep): Likewise for param "e".
	(sched_analyze_1): Add checked casts.
	(sched_analyze_2): Likewise.

	* sel-sched-dump.c (dump_insn_vector): Strengthen local "succ"
	from rtx to rtx_insn *.
	(debug): Update param from vec<rtx> & to vec<rtx_insn *>, and
	from vec<rtx> * to vec<rtx_insn *> *.

	* sel-sched-ir.c (blist_add): Remove use of SET_BND_TO
	scaffolding.
	(flist_add): Strengthen param "executing_insns" from
	vec<rtx, va_gc> * to vec<rtx_insn *, va_gc> *.
	(advance_deps_context): Remove now-redundant checked cast.
	(init_fences): Replace uses of NULL_RTX with NULL.
	(merge_fences): Strengthen params "last_scheduled_insn" and
	"sched_next" from rtx to rtx_insn * and "executing_insns" from
	vec<rtx, va_gc> * to vec<rtx_insn *, va_gc> *.
	(add_clean_fence_to_fences): Replace uses of NULL_RTX with NULL.
	(get_nop_from_pool): Add local "nop_pat" so that "nop" can be
	an instruction, rather than doing double-duty as a pattern.
	(return_nop_to_pool): Update for change of insn_t.
	(deps_init_id): Remove now-redundant checked cast.
	(struct sched_scan_info_def): Strengthen param of "init_insn"
	callback from rtx to insn_t.
	(sched_scan): Strengthen local "insn" from rtx to rtx_insn *.
	(init_global_and_expr_for_insn): Replace uses of NULL_RTX with
	NULL.
	(get_seqno_by_succs): Strengthen param "insn" and locals "tmp",
	"end" from rtx to rtx_insn *.
	(create_vinsn_from_insn_rtx): Likewise for param "insn_rtx".
	(rtx insn_rtx, bool force_unique_p)
	(BND_TO): Delete function.
	(SET_BND_TO): Delete function.

	* sel-sched.c (advance_one_cycle): Strengthen local "insn" from
	rtx to rtx_insn *.
	(extract_new_fences_from): Replace uses of NULL_RTX with NULL.
	(replace_dest_with_reg_in_expr): Strengthen local "insn_rtx" from
	rtx to rtx_insn *.
	(undo_transformations): Likewise for param "insn".
	(update_liveness_on_insn): Likewise.
	(compute_live_below_insn): Likewise for param "insn" and local
	"succ".
	(update_data_sets): Likewise for param "insn".
	(fill_vec_av_set): Replace uses of NULL_RTX with NULL.
	(convert_vec_av_set_to_ready): Drop now-redundant checked cast.
	(invoke_aftermath_hooks): Strengthen param "best_insn" from rtx to
	rtx_insn *.
	(move_cond_jump): Likewise for param "insn".
	(move_cond_jump): Drop use of SET_BND_TO.
	(compute_av_set_on_boundaries): Likewise.
	(update_fence_and_insn): Replace uses of NULL_RTX with NULL.
	(update_and_record_unavailable_insns): Strengthen local "bb_end"
	from rtx to rtx_insn *.
	(maybe_emit_renaming_copy): Likewise for param "insn".
	(maybe_emit_speculative_check): Likewise.
	(handle_emitting_transformations): Likewise.
	(remove_insn_from_stream): Likewise.
	(code_motion_process_successors): Strengthen local "succ" from rtx
	to insn_t.

/
	* rtx-classes-status.txt: Delete SET_BND_TO.
---
 gcc/haifa-sched.c      | 10 ++++-----
 gcc/sched-deps.c       | 21 ++++++++++--------
 gcc/sched-int.h        | 10 ++++-----
 gcc/sel-sched-dump.c   |  6 ++---
 gcc/sel-sched-ir.c     | 59 ++++++++++++++++++++++----------------------------
 gcc/sel-sched-ir.h     | 15 ++++++-------
 gcc/sel-sched.c        | 42 +++++++++++++++++------------------
 rtx-classes-status.txt |  1 -
 8 files changed, 79 insertions(+), 85 deletions(-)

diff --git a/gcc/haifa-sched.c b/gcc/haifa-sched.c
index 132d9a2..28b99de 100644
--- a/gcc/haifa-sched.c
+++ b/gcc/haifa-sched.c
@@ -877,7 +877,7 @@ static int haifa_speculate_insn (rtx, ds_t, rtx *);
 static void generate_recovery_code (rtx_insn *);
 static void process_insn_forw_deps_be_in_spec (rtx, rtx, ds_t);
 static void begin_speculative_block (rtx_insn *);
-static void add_to_speculative_block (rtx);
+static void add_to_speculative_block (rtx_insn *);
 static void init_before_recovery (basic_block *);
 static void create_check_block_twin (rtx_insn *, bool);
 static void fix_recovery_deps (basic_block);
@@ -888,7 +888,7 @@ static void fix_jump_move (rtx);
 static void move_block_after_check (rtx);
 static void move_succs (vec<edge, va_gc> **, basic_block);
 static void sched_remove_insn (rtx_insn *);
-static void clear_priorities (rtx, rtx_vec_t *);
+static void clear_priorities (rtx_insn *, rtx_vec_t *);
 static void calc_priorities (rtx_vec_t);
 static void add_jump_dependencies (rtx, rtx);
 
@@ -7356,7 +7356,7 @@ static void haifa_init_insn (rtx);
 
 /* Generates recovery code for BE_IN speculative INSN.  */
 static void
-add_to_speculative_block (rtx insn)
+add_to_speculative_block (rtx_insn *insn)
 {
   ds_t ts;
   sd_iterator_def sd_it;
@@ -8322,7 +8322,7 @@ sched_remove_insn (rtx_insn *insn)
    Store in vector pointed to by ROOTS_PTR insns on which priority () should
    be invoked to initialize all cleared priorities.  */
 static void
-clear_priorities (rtx insn, rtx_vec_t *roots_ptr)
+clear_priorities (rtx_insn *insn, rtx_vec_t *roots_ptr)
 {
   sd_iterator_def sd_it;
   dep_t dep;
@@ -8358,7 +8358,7 @@ static void
 calc_priorities (rtx_vec_t roots)
 {
   int i;
-  rtx insn;
+  rtx_insn *insn;
 
   FOR_EACH_VEC_ELT (roots, i, insn)
     priority (insn);
diff --git a/gcc/sched-deps.c b/gcc/sched-deps.c
index 89b8519..f299891 100644
--- a/gcc/sched-deps.c
+++ b/gcc/sched-deps.c
@@ -1801,11 +1801,11 @@ static rtx_insn *cur_insn = NULL;
 /* Implement hooks for haifa scheduler.  */
 
 static void
-haifa_start_insn (rtx insn)
+haifa_start_insn (rtx_insn *insn)
 {
   gcc_assert (insn && !cur_insn);
 
-  cur_insn = as_a <rtx_insn *> (insn);
+  cur_insn = insn;
 }
 
 static void
@@ -1833,7 +1833,7 @@ haifa_note_reg_use (int regno)
 }
 
 static void
-haifa_note_mem_dep (rtx mem, rtx pending_mem, rtx pending_insn, ds_t ds)
+haifa_note_mem_dep (rtx mem, rtx pending_mem, rtx_insn *pending_insn, ds_t ds)
 {
   if (!(ds & SPECULATIVE))
     {
@@ -1855,7 +1855,7 @@ haifa_note_mem_dep (rtx mem, rtx pending_mem, rtx pending_insn, ds_t ds)
 }
 
 static void
-haifa_note_dep (rtx elem, ds_t ds)
+haifa_note_dep (rtx_insn *elem, ds_t ds)
 {
   dep_def _dep;
   dep_t dep = &_dep;
@@ -1888,7 +1888,7 @@ note_reg_clobber (int r)
 }
 
 static void
-note_mem_dep (rtx m1, rtx m2, rtx e, ds_t ds)
+note_mem_dep (rtx m1, rtx m2, rtx_insn *e, ds_t ds)
 {
   if (sched_deps_info->note_mem_dep)
     sched_deps_info->note_mem_dep (m1, m2, e, ds);
@@ -2501,7 +2501,7 @@ sched_analyze_1 (struct deps_desc *deps, rtx x, rtx_insn *insn)
 	    {
 	      if (anti_dependence (XEXP (pending_mem, 0), t)
 		  && ! sched_insns_conditions_mutex_p (insn, XEXP (pending, 0)))
-		note_mem_dep (t, XEXP (pending_mem, 0), XEXP (pending, 0),
+		note_mem_dep (t, XEXP (pending_mem, 0), as_a <rtx_insn *> (XEXP (pending, 0)),
 			      DEP_ANTI);
 
 	      pending = XEXP (pending, 1);
@@ -2514,7 +2514,8 @@ sched_analyze_1 (struct deps_desc *deps, rtx x, rtx_insn *insn)
 	    {
 	      if (output_dependence (XEXP (pending_mem, 0), t)
 		  && ! sched_insns_conditions_mutex_p (insn, XEXP (pending, 0)))
-		note_mem_dep (t, XEXP (pending_mem, 0), XEXP (pending, 0),
+		note_mem_dep (t, XEXP (pending_mem, 0),
+			      as_a <rtx_insn *> (XEXP (pending, 0)),
 			      DEP_OUTPUT);
 
 	      pending = XEXP (pending, 1);
@@ -2646,7 +2647,8 @@ sched_analyze_2 (struct deps_desc *deps, rtx x, rtx_insn *insn)
 		if (read_dependence (XEXP (pending_mem, 0), t)
 		    && ! sched_insns_conditions_mutex_p (insn,
 							 XEXP (pending, 0)))
-		  note_mem_dep (t, XEXP (pending_mem, 0), XEXP (pending, 0),
+		  note_mem_dep (t, XEXP (pending_mem, 0),
+				as_a <rtx_insn *> (XEXP (pending, 0)),
 				DEP_ANTI);
 
 		pending = XEXP (pending, 1);
@@ -2660,7 +2662,8 @@ sched_analyze_2 (struct deps_desc *deps, rtx x, rtx_insn *insn)
 		if (true_dependence (XEXP (pending_mem, 0), VOIDmode, t)
 		    && ! sched_insns_conditions_mutex_p (insn,
 							 XEXP (pending, 0)))
-		  note_mem_dep (t, XEXP (pending_mem, 0), XEXP (pending, 0),
+		  note_mem_dep (t, XEXP (pending_mem, 0),
+				as_a <rtx_insn *> (XEXP (pending, 0)),
 				sched_deps_info->generate_spec_deps
 				? BEGIN_DATA | DEP_TRUE : DEP_TRUE);
 
diff --git a/gcc/sched-int.h b/gcc/sched-int.h
index 9f2a3e4..7ac0c8e 100644
--- a/gcc/sched-int.h
+++ b/gcc/sched-int.h
@@ -41,8 +41,8 @@ enum sched_pressure_algorithm
 };
 
 typedef vec<basic_block> bb_vec_t;
-typedef vec<rtx> insn_vec_t;
-typedef vec<rtx> rtx_vec_t;
+typedef vec<rtx_insn *> insn_vec_t;
+typedef vec<rtx_insn *> rtx_vec_t;
 
 extern void sched_init_bbs (void);
 
@@ -1241,7 +1241,7 @@ struct sched_deps_info_def
   void (*compute_jump_reg_dependencies) (rtx, regset);
 
   /* Start analyzing insn.  */
-  void (*start_insn) (rtx);
+  void (*start_insn) (rtx_insn *);
 
   /* Finish analyzing insn.  */
   void (*finish_insn) (void);
@@ -1269,10 +1269,10 @@ struct sched_deps_info_def
 
   /* Note memory dependence of type DS between MEM1 and MEM2 (which is
      in the INSN2).  */
-  void (*note_mem_dep) (rtx mem1, rtx mem2, rtx insn2, ds_t ds);
+  void (*note_mem_dep) (rtx mem1, rtx mem2, rtx_insn *insn2, ds_t ds);
 
   /* Note a dependence of type DS from the INSN.  */
-  void (*note_dep) (rtx, ds_t ds);
+  void (*note_dep) (rtx_insn *, ds_t ds);
 
   /* Nonzero if we should use cselib for better alias analysis.  This
      must be 0 if the dependency information is used after sched_analyze
diff --git a/gcc/sel-sched-dump.c b/gcc/sel-sched-dump.c
index 8dc82c9..d2169c8 100644
--- a/gcc/sel-sched-dump.c
+++ b/gcc/sel-sched-dump.c
@@ -534,7 +534,7 @@ void
 dump_insn_vector (rtx_vec_t succs)
 {
   int i;
-  rtx succ;
+  rtx_insn *succ;
 
   FOR_EACH_VEC_ELT (succs, i, succ)
     if (succ)
@@ -996,7 +996,7 @@ debug_blist (blist_t bnds)
 
 /* Dump a rtx vector REF.  */
 DEBUG_FUNCTION void
-debug (vec<rtx> &ref)
+debug (vec<rtx_insn *> &ref)
 {
   switch_dump (stderr);
   dump_insn_vector (ref);
@@ -1005,7 +1005,7 @@ debug (vec<rtx> &ref)
 }
 
 DEBUG_FUNCTION void
-debug (vec<rtx> *ptr)
+debug (vec<rtx_insn *> *ptr)
 {
   if (ptr)
     debug (*ptr);
diff --git a/gcc/sel-sched-ir.c b/gcc/sel-sched-ir.c
index 8493481..a15bfc0 100644
--- a/gcc/sel-sched-ir.c
+++ b/gcc/sel-sched-ir.c
@@ -207,7 +207,7 @@ blist_add (blist_t *lp, insn_t to, ilist_t ptr, deps_t dc)
   _list_add (lp);
   bnd = BLIST_BND (*lp);
 
-  SET_BND_TO (bnd) = to;
+  BND_TO (bnd) = to;
   BND_PTR (bnd) = ptr;
   BND_AV (bnd) = NULL;
   BND_AV1 (bnd) = NULL;
@@ -262,7 +262,7 @@ init_fence_for_scheduling (fence_t f)
 /* Add new fence consisting of INSN and STATE to the list pointed to by LP.  */
 static void
 flist_add (flist_t *lp, insn_t insn, state_t state, deps_t dc, void *tc,
-           insn_t last_scheduled_insn, vec<rtx, va_gc> *executing_insns,
+           insn_t last_scheduled_insn, vec<rtx_insn *, va_gc> *executing_insns,
            int *ready_ticks, int ready_ticks_size, insn_t sched_next,
            int cycle, int cycle_issued_insns, int issue_more,
            bool starts_cycle_p, bool after_stall_p)
@@ -516,7 +516,7 @@ void
 advance_deps_context (deps_t dc, insn_t insn)
 {
   sched_deps_info = &advance_deps_context_sched_deps_info;
-  deps_analyze_insn (dc, as_a <rtx_insn *> (insn));
+  deps_analyze_insn (dc, insn);
 }
 
 
@@ -614,11 +614,11 @@ init_fences (insn_t old_fence)
 		 state_create (),
 		 create_deps_context () /* dc */,
 		 create_target_context (true) /* tc */,
-		 NULL_RTX /* last_scheduled_insn */,
+		 NULL /* last_scheduled_insn */,
                  NULL, /* executing_insns */
                  XCNEWVEC (int, ready_ticks_size), /* ready_ticks */
                  ready_ticks_size,
-                 NULL_RTX /* sched_next */,
+                 NULL /* sched_next */,
 		 1 /* cycle */, 0 /* cycle_issued_insns */,
 		 issue_rate, /* issue_more */
 		 1 /* starts_cycle_p */, 0 /* after_stall_p */);
@@ -637,7 +637,8 @@ init_fences (insn_t old_fence)
 static void
 merge_fences (fence_t f, insn_t insn,
 	      state_t state, deps_t dc, void *tc,
-              rtx last_scheduled_insn, vec<rtx, va_gc> *executing_insns,
+              rtx_insn *last_scheduled_insn,
+	      vec<rtx_insn *, va_gc> *executing_insns,
               int *ready_ticks, int ready_ticks_size,
 	      rtx sched_next, int cycle, int issue_more, bool after_stall_p)
 {
@@ -802,9 +803,10 @@ merge_fences (fence_t f, insn_t insn,
    other parameters.  */
 static void
 add_to_fences (flist_tail_t new_fences, insn_t insn,
-               state_t state, deps_t dc, void *tc, rtx last_scheduled_insn,
-               vec<rtx, va_gc> *executing_insns, int *ready_ticks,
-               int ready_ticks_size, rtx sched_next, int cycle,
+               state_t state, deps_t dc, void *tc,
+	       rtx_insn *last_scheduled_insn,
+               vec<rtx_insn *, va_gc> *executing_insns, int *ready_ticks,
+               int ready_ticks_size, rtx_insn *sched_next, int cycle,
                int cycle_issued_insns, int issue_rate,
 	       bool starts_cycle_p, bool after_stall_p)
 {
@@ -866,9 +868,9 @@ add_clean_fence_to_fences (flist_tail_t new_fences, insn_t succ, fence_t fence)
   add_to_fences (new_fences,
                  succ, state_create (), create_deps_context (),
                  create_target_context (true),
-                 NULL_RTX, NULL,
+                 NULL, NULL,
                  XCNEWVEC (int, ready_ticks_size), ready_ticks_size,
-                 NULL_RTX, FENCE_CYCLE (fence) + 1,
+                 NULL, FENCE_CYCLE (fence) + 1,
                  0, issue_rate, 1, FENCE_AFTER_STALL_P (fence));
 }
 
@@ -1036,16 +1038,17 @@ static vinsn_t nop_vinsn = NULL;
 insn_t
 get_nop_from_pool (insn_t insn)
 {
+  rtx nop_pat;
   insn_t nop;
   bool old_p = nop_pool.n != 0;
   int flags;
 
   if (old_p)
-    nop = nop_pool.v[--nop_pool.n];
+    nop_pat = nop_pool.v[--nop_pool.n];
   else
-    nop = nop_pattern;
+    nop_pat = nop_pattern;
 
-  nop = emit_insn_before (nop, insn);
+  nop = emit_insn_before (nop_pat, insn);
 
   if (old_p)
     flags = INSN_INIT_TODO_SSID;
@@ -1069,7 +1072,7 @@ return_nop_to_pool (insn_t nop, bool full_tidying)
   INSN_DELETED_P (nop) = 0;
 
   if (nop_pool.n == nop_pool.s)
-    nop_pool.v = XRESIZEVEC (rtx, nop_pool.v,
+    nop_pool.v = XRESIZEVEC (rtx_insn *, nop_pool.v,
                              (nop_pool.s = 2 * nop_pool.s + 1));
   nop_pool.v[nop_pool.n++] = nop;
 }
@@ -2753,7 +2756,7 @@ deps_init_id (idata_t id, insn_t insn, bool force_unique_p)
 
   sched_deps_info = &deps_init_id_sched_deps_info;
 
-  deps_analyze_insn (dc, as_a <rtx_insn *> (insn));
+  deps_analyze_insn (dc, insn);
 
   free_deps (dc);
 
@@ -2779,7 +2782,7 @@ struct sched_scan_info_def
 
   /* This hook makes scheduler frontend to initialize its internal data
      structures for the passed insn.  */
-  void (*init_insn) (rtx);
+  void (*init_insn) (insn_t);
 };
 
 /* A driver function to add a set of basic blocks (BBS) to the
@@ -2803,7 +2806,7 @@ sched_scan (const struct sched_scan_info_def *ssi, bb_vec_t bbs)
   if (ssi->init_insn)
     FOR_EACH_VEC_ELT (bbs, i, bb)
       {
-	rtx insn;
+	rtx_insn *insn;
 
 	FOR_BB_INSNS (bb, insn)
 	  ssi->init_insn (insn);
@@ -2942,7 +2945,7 @@ init_global_and_expr_for_insn (insn_t insn)
 
   if (NOTE_INSN_BASIC_BLOCK_P (insn))
     {
-      init_global_data.prev_insn = NULL_RTX;
+      init_global_data.prev_insn = NULL;
       return;
     }
 
@@ -2959,7 +2962,7 @@ init_global_and_expr_for_insn (insn_t insn)
       init_global_data.prev_insn = insn;
     }
   else
-    init_global_data.prev_insn = NULL_RTX;
+    init_global_data.prev_insn = NULL;
 
   if (GET_CODE (PATTERN (insn)) == ASM_INPUT
       || asm_noperands (PATTERN (insn)) >= 0)
@@ -3983,10 +3986,10 @@ sel_luid_for_non_insn (rtx x)
 /*  Find the proper seqno for inserting at INSN by successors.
     Return -1 if no successors with positive seqno exist.  */
 static int
-get_seqno_by_succs (rtx insn)
+get_seqno_by_succs (rtx_insn *insn)
 {
   basic_block bb = BLOCK_FOR_INSN (insn);
-  rtx tmp = insn, end = BB_END (bb);
+  rtx_insn *tmp = insn, *end = BB_END (bb);
   int seqno;
   insn_t succ = NULL;
   succ_iterator si;
@@ -5761,7 +5764,7 @@ create_insn_rtx_from_pattern (rtx pattern, rtx label)
 /* Create a new vinsn for INSN_RTX.  FORCE_UNIQUE_P is true when the vinsn
    must not be clonable.  */
 vinsn_t
-create_vinsn_from_insn_rtx (rtx insn_rtx, bool force_unique_p)
+create_vinsn_from_insn_rtx (rtx_insn *insn_rtx, bool force_unique_p)
 {
   gcc_assert (INSN_P (insn_rtx) && !INSN_IN_STREAM_P (insn_rtx));
 
@@ -6461,14 +6464,4 @@ rtx& SET_VINSN_INSN_RTX (vinsn_t vi)
   return vi->insn_rtx;
 }
 
-rtx_insn *BND_TO (bnd_t bnd)
-{
-  return as_a_nullable <rtx_insn *> (bnd->to);
-}
-
-insn_t& SET_BND_TO (bnd_t bnd)
-{
-  return bnd->to;
-}
-
 #endif
diff --git a/gcc/sel-sched-ir.h b/gcc/sel-sched-ir.h
index abff203..118e001 100644
--- a/gcc/sel-sched-ir.h
+++ b/gcc/sel-sched-ir.h
@@ -60,7 +60,7 @@ typedef _list_t _xlist_t;
 #define _XLIST_NEXT(L) (_LIST_NEXT (L))
 
 /* Instruction.  */
-typedef rtx insn_t;
+typedef rtx_insn *insn_t;
 
 /* List of insns.  */
 typedef _list_t ilist_t;
@@ -233,8 +233,7 @@ struct _bnd
   deps_t dc;
 };
 typedef struct _bnd *bnd_t;
-extern rtx_insn *BND_TO (bnd_t bnd);
-extern insn_t& SET_BND_TO (bnd_t bnd);
+#define BND_TO(B) ((B)->to)
 
 /* PTR stands not for pointer as you might think, but as a Path To Root of the
    current instruction group from boundary B.  */
@@ -279,7 +278,7 @@ struct _fence
   tc_t tc;
 
   /* A vector of insns that are scheduled but not yet completed.  */
-  vec<rtx, va_gc> *executing_insns;
+  vec<rtx_insn *, va_gc> *executing_insns;
 
   /* A vector indexed by UIDs that caches the earliest cycle on which
      an insn can be scheduled on this fence.  */
@@ -289,13 +288,13 @@ struct _fence
   int ready_ticks_size;
 
   /* Insn, which has been scheduled last on this fence.  */
-  rtx last_scheduled_insn;
+  rtx_insn *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;
+  rtx_insn *sched_next;
 
   /* True if fill_insns processed this fence.  */
   BOOL_BITFIELD processed_p : 1;
@@ -1255,7 +1254,7 @@ _succ_iter_start (insn_t *succp, insn_t insn, int flags)
 }
 
 static inline bool
-_succ_iter_cond (succ_iterator *ip, rtx *succp, rtx insn,
+_succ_iter_cond (succ_iterator *ip, insn_t *succp, insn_t insn,
                  bool check (edge, succ_iterator *))
 {
   if (!ip->bb_end)
@@ -1661,7 +1660,7 @@ extern void sel_unregister_cfg_hooks (void);
 
 /* Expression transformation routines.  */
 extern rtx_insn *create_insn_rtx_from_pattern (rtx, rtx);
-extern vinsn_t create_vinsn_from_insn_rtx (rtx, bool);
+extern vinsn_t create_vinsn_from_insn_rtx (rtx_insn *, bool);
 extern rtx_insn *create_copy_of_insn_rtx (rtx);
 extern void change_vinsn_in_expr (expr_t, vinsn_t);
 
diff --git a/gcc/sel-sched.c b/gcc/sel-sched.c
index 9cd23ef..a6065fd 100644
--- a/gcc/sel-sched.c
+++ b/gcc/sel-sched.c
@@ -572,7 +572,7 @@ advance_one_cycle (fence_t fence)
 {
   unsigned i;
   int cycle;
-  rtx insn;
+  rtx_insn *insn;
 
   advance_state (FENCE_STATE (fence));
   cycle = ++FENCE_CYCLE (fence);
@@ -630,7 +630,7 @@ extract_new_fences_from (flist_t old_fences, flist_tail_t new_fences,
 			 int orig_max_seqno)
 {
   bool was_here_p = false;
-  insn_t insn = NULL_RTX;
+  insn_t insn = NULL;
   insn_t succ;
   succ_iterator si;
   ilist_iterator ii;
@@ -965,7 +965,7 @@ create_insn_rtx_with_lhs (vinsn_t vi, rtx lhs_rtx)
 static void
 replace_dest_with_reg_in_expr (expr_t expr, rtx new_reg)
 {
-  rtx insn_rtx;
+  rtx_insn *insn_rtx;
   vinsn_t vinsn;
 
   insn_rtx = create_insn_rtx_with_lhs (EXPR_VINSN (expr), new_reg);
@@ -1901,7 +1901,7 @@ identical_copy_p (rtx insn)
 /* Undo all transformations on *AV_PTR that were done when
    moving through INSN.  */
 static void
-undo_transformations (av_set_t *av_ptr, rtx insn)
+undo_transformations (av_set_t *av_ptr, rtx_insn *insn)
 {
   av_set_iterator av_iter;
   expr_t expr;
@@ -3196,7 +3196,7 @@ compute_live (insn_t insn)
 
 /* Update liveness sets for INSN.  */
 static inline void
-update_liveness_on_insn (rtx insn)
+update_liveness_on_insn (rtx_insn *insn)
 {
   ignore_first = true;
   compute_live (insn);
@@ -3204,9 +3204,9 @@ update_liveness_on_insn (rtx insn)
 
 /* Compute liveness below INSN and write it into REGS.  */
 static inline void
-compute_live_below_insn (rtx insn, regset regs)
+compute_live_below_insn (rtx_insn *insn, regset regs)
 {
-  rtx succ;
+  rtx_insn *succ;
   succ_iterator si;
 
   FOR_EACH_SUCC_1 (succ, si, insn, SUCCS_ALL)
@@ -3215,7 +3215,7 @@ compute_live_below_insn (rtx insn, regset regs)
 
 /* Update the data gathered in av and lv sets starting from INSN.  */
 static void
-update_data_sets (rtx insn)
+update_data_sets (rtx_insn *insn)
 {
   update_liveness_on_insn (insn);
   if (sel_bb_head_p (insn))
@@ -3962,7 +3962,7 @@ fill_vec_av_set (av_set_t av, blist_t bnds, fence_t fence,
   if (FENCE_SCHED_NEXT (fence))
     {
       gcc_assert (sched_next_worked == 1);
-      FENCE_SCHED_NEXT (fence) = NULL_RTX;
+      FENCE_SCHED_NEXT (fence) = NULL;
     }
 
   /* No need to stall if this variable was not initialized.  */
@@ -4022,7 +4022,7 @@ convert_vec_av_set_to_ready (void)
       insn_t insn = VINSN_INSN_RTX (vi);
 
       ready_try[n] = 0;
-      ready.vec[n] = as_a <rtx_insn *> (insn);
+      ready.vec[n] = insn;
     }
 }
 
@@ -4288,7 +4288,7 @@ calculate_privileged_insns (void)
    number is ISSUE_MORE.  FENCE and BEST_INSN are the current fence
    and the insn chosen for scheduling, respectively.  */
 static int
-invoke_aftermath_hooks (fence_t fence, rtx best_insn, int issue_more)
+invoke_aftermath_hooks (fence_t fence, rtx_insn *best_insn, int issue_more)
 {
   gcc_assert (INSN_P (best_insn));
 
@@ -4929,7 +4929,7 @@ remove_insns_that_need_bookkeeping (fence_t fence, av_set_t *av_ptr)
       ...
 */
 static void
-move_cond_jump (rtx insn, bnd_t bnd)
+move_cond_jump (rtx_insn *insn, bnd_t bnd)
 {
   edge ft_edge;
   basic_block block_from, block_next, block_new, block_bnd, bb;
@@ -4962,7 +4962,7 @@ move_cond_jump (rtx insn, bnd_t bnd)
 
   /* Jump is moved to the boundary.  */
   next = PREV_INSN (insn);
-  SET_BND_TO (bnd) = insn;
+  BND_TO (bnd) = insn;
 
   ft_edge = find_fallthru_edge_from (block_from);
   block_next = ft_edge->dest;
@@ -5103,7 +5103,7 @@ compute_av_set_on_boundaries (fence_t fence, blist_t bnds, av_set_t *av_vliw_p)
 	{
   	  gcc_assert (FENCE_INSN (fence) == BND_TO (bnd));
 	  FENCE_INSN (fence) = bnd_to;
-	  SET_BND_TO (bnd) = bnd_to;
+	  BND_TO (bnd) = bnd_to;
 	}
 
       av_set_clear (&BND_AV (bnd));
@@ -5380,7 +5380,7 @@ update_fence_and_insn (fence_t fence, insn_t insn, int need_stall)
       SCHED_GROUP_P (insn) = 0;
     }
   else
-    FENCE_SCHED_NEXT (fence) = NULL_RTX;
+    FENCE_SCHED_NEXT (fence) = NULL;
   if (INSN_UID (insn) < FENCE_READY_TICKS_SIZE (fence))
     FENCE_READY_TICKS (fence) [INSN_UID (insn)] = 0;
 
@@ -5714,7 +5714,7 @@ update_and_record_unavailable_insns (basic_block book_block)
   av_set_iterator i;
   av_set_t old_av_set = NULL;
   expr_t cur_expr;
-  rtx bb_end = sel_bb_end (book_block);
+  rtx_insn *bb_end = sel_bb_end (book_block);
 
   /* First, get correct liveness in the bookkeeping block.  The problem is
      the range between the bookeeping insn and the end of block.  */
@@ -5882,7 +5882,7 @@ track_scheduled_insns_and_blocks (rtx insn)
 /* Emit a register-register copy for INSN if needed.  Return true if
    emitted one.  PARAMS is the move_op static parameters.  */
 static bool
-maybe_emit_renaming_copy (rtx insn,
+maybe_emit_renaming_copy (rtx_insn *insn,
                           moveop_static_params_p params)
 {
   bool insn_emitted  = false;
@@ -5922,7 +5922,7 @@ maybe_emit_renaming_copy (rtx insn,
    Return true if we've  emitted one.  PARAMS is the move_op static
    parameters.  */
 static bool
-maybe_emit_speculative_check (rtx insn, expr_t expr,
+maybe_emit_speculative_check (rtx_insn *insn, expr_t expr,
                               moveop_static_params_p params)
 {
   bool insn_emitted = false;
@@ -5951,7 +5951,7 @@ maybe_emit_speculative_check (rtx insn, expr_t expr,
    insn such as renaming/speculation.  Return true if one of such
    transformations actually happened, and we have emitted this insn.  */
 static bool
-handle_emitting_transformations (rtx insn, expr_t expr,
+handle_emitting_transformations (rtx_insn *insn, expr_t expr,
                                  moveop_static_params_p params)
 {
   bool insn_emitted = false;
@@ -6010,7 +6010,7 @@ need_nop_to_preserve_insn_bb (rtx insn)
 /* Remove INSN from stream.  When ONLY_DISCONNECT is true, its data
    is not removed but reused when INSN is re-emitted.  */
 static void
-remove_insn_from_stream (rtx insn, bool only_disconnect)
+remove_insn_from_stream (rtx_insn *insn, bool only_disconnect)
 {
   /* If there's only one insn in the BB, make sure that a nop is
      inserted into it, so the basic block won't disappear when we'll
@@ -6358,7 +6358,7 @@ code_motion_process_successors (insn_t insn, av_set_t orig_ops,
 {
   int res = 0;
   succ_iterator succ_i;
-  rtx succ;
+  insn_t succ;
   basic_block bb;
   int old_index;
   unsigned old_succs;
diff --git a/rtx-classes-status.txt b/rtx-classes-status.txt
index 84d53ba..29d445f 100644
--- a/rtx-classes-status.txt
+++ b/rtx-classes-status.txt
@@ -12,7 +12,6 @@ TODO: "Scaffolding" to be removed
 =================================
 * DF_REF_INSN
 * SET_BB_HEAD, SET_BB_END, SET_BB_HEADER
-* SET_BND_TO
 * SET_DEP_PRO, SET_DEP_CON
 * SET_NEXT_INSN, SET_PREV_INSN
 * SET_VINSN_INSN_RTX
-- 
1.8.5.3


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