change local vars to rtx_insn *

gcc/ChangeLog:

2015-05-02  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

	* builtins.c (expand_builtin_trap): Change type of local
	variable to rtx_insn *.
	* config/arc/arc.md: Likewise.
	* config/arm/arm.c (arm_barrier_cost): Likewise.
	* config/avr/avr.c (avr_reorg): Likewise.
	* config/bfin/bfin.c (workaround_speculation): Likewise.
	(add_sched_insns_for_speculation): Likewise.
	* config/i386/i386.c (ix86_init_pic_reg): Likewise.
	(ix86_emit_save_regs): Likewise.
	(get_scratch_register_on_entry): Likewise.
	(ix86_emit_restore_reg_using_pop): Likewise.
	(ix86_emit_leave): Likewise.
	(ix86_emit_restore_regs_using_mov): Likewise.
	(ix86_expand_epilogue): Likewise.
	* config/rl78/rl78.c (rl78_alloc_physical_registers_cmp):
	Likewise.
	(rl78_alloc_physical_registers_umul): Likewise.
	* config/sh/sh.md: Likewise.
	* cselib.c (discard_useless_locs): Likewise.
	(cselib_invalidate_regno): Likewise.
	(cselib_invalidate_mem): Likewise.
	* function.c (expand_function_start): Likewise.
	(emit_use_return_register_into_block): Likewise.
	* gcse.c: Likewise.
	* haifa-sched.c (ok_for_early_queue_removal): Likewise.
	* ifcvt.c (noce_get_alt_condition): Likewise.
	* loop-doloop.c (doloop_condition_get): Likewise.
	* lra-constraints.c (inherit_in_ebb): Likewise.
	* modulo-sched.c (sms_schedule_by_order): Likewise.
	* recog.c (next_insn_tests_no_inequality): Likewise.
	* reorg.c (emit_delay_sequence): Likewise.
	(update_reg_dead_notes): Likewise.
	(fix_reg_dead_note): Likewise.
	(fill_slots_from_thread): Likewise.
	(delete_computation): Likewise.

From-SVN: r222730

19 files changed, 74 insertions, 37 deletions

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index fa0575f..b278655 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,34 @@
+2015-05-02  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
+
+	* builtins.c (expand_builtin_trap): Change type of local
+	variable to rtx_insn *.
+	(add_sched_insns_for_speculation): Likewise.
+	(ix86_emit_save_regs): Likewise.
+	(get_scratch_register_on_entry): Likewise.
+	(ix86_emit_restore_reg_using_pop): Likewise.
+	(ix86_emit_leave): Likewise.
+	(ix86_emit_restore_regs_using_mov): Likewise.
+	(ix86_expand_epilogue): Likewise.
+	Likewise.
+	(rl78_alloc_physical_registers_umul): Likewise.
+	* cselib.c (discard_useless_locs): Likewise.
+	(cselib_invalidate_regno): Likewise.
+	(cselib_invalidate_mem): Likewise.
+	* function.c (expand_function_start): Likewise.
+	(emit_use_return_register_into_block): Likewise.
+	* gcse.c: Likewise.
+	* haifa-sched.c (ok_for_early_queue_removal): Likewise.
+	* ifcvt.c (noce_get_alt_condition): Likewise.
+	* loop-doloop.c (doloop_condition_get): Likewise.
+	* lra-constraints.c (inherit_in_ebb): Likewise.
+	* modulo-sched.c (sms_schedule_by_order): Likewise.
+	* recog.c (next_insn_tests_no_inequality): Likewise.
+	* reorg.c (emit_delay_sequence): Likewise.
+	(update_reg_dead_notes): Likewise.
+	(fix_reg_dead_note): Likewise.
+	(fill_slots_from_thread): Likewise.
+	(delete_computation): Likewise.
+
 2015-05-01  Sandra Loosemore  <sandra@codesourcery.com>
 
 	* doc/extend.texi (Variable Attributes): Add menu and proper
diff --git a/gcc/builtins.c b/gcc/builtins.c
index 523cddb..6fe1456 100644
--- a/gcc/builtins.c
+++ b/gcc/builtins.c
@@ -4754,7 +4754,7 @@ expand_builtin_trap (void)
 #ifdef HAVE_trap
   if (HAVE_trap)
     {
-      rtx insn = emit_insn (gen_trap ());
+      rtx_insn *insn = emit_insn (gen_trap ());
       /* For trap insns when not accumulating outgoing args force
 	 REG_ARGS_SIZE note to prevent crossjumping of calls with
 	 different args sizes.  */
diff --git a/gcc/config/arc/arc.md b/gcc/config/arc/arc.md
index d66441f..ce60182 100644
--- a/gcc/config/arc/arc.md
+++ b/gcc/config/arc/arc.md
@@ -4877,7 +4877,7 @@
     {
       /* At least four instructions are needed between the setting of LP_COUNT
 	 and the loop end - but the lp instruction qualifies as one.  */
-      rtx prev = prev_nonnote_insn (insn);
+      rtx_insn *prev = prev_nonnote_insn (insn);
 
       if (!INSN_P (prev) || dead_or_set_regno_p (prev, LP_COUNT))
 	output_asm_insn ("nop", operands);
@@ -4933,7 +4933,7 @@
   ""
   "*
 {
-  rtx prev = prev_nonnote_insn (insn);
+  rtx_insn *prev = prev_nonnote_insn (insn);
 
   /* If there is an immediately preceding label, we must output a nop,
      lest a branch to that label will fall out of the loop.
diff --git a/gcc/config/arm/arm.c b/gcc/config/arm/arm.c
index 10dca3d..666ef42 100644
--- a/gcc/config/arm/arm.c
+++ b/gcc/config/arm/arm.c
@@ -16609,7 +16609,7 @@ arm_barrier_cost (rtx insn)
      but at the moment, the basic block information seems to be
      corrupt by this stage of the compilation.  */
   int base_cost = 50;
-  rtx next = next_nonnote_insn (insn);
+  rtx_insn *next = next_nonnote_insn (insn);
 
   if (next != NULL && LABEL_P (next))
     base_cost -= 20;
diff --git a/gcc/config/avr/avr.c b/gcc/config/avr/avr.c
index 68d5ddc..205fcdb 100644
--- a/gcc/config/avr/avr.c
+++ b/gcc/config/avr/avr.c
@@ -11094,7 +11094,7 @@ avr_reorg (void)
 	{
           /* Now we work under compare insn with difficult branch.  */
 
-          rtx next = next_real_insn (insn);
+	  rtx_insn *next = next_real_insn (insn);
           rtx pat = PATTERN (next);
 
           pattern = SET_SRC (pattern);
diff --git a/gcc/config/bfin/bfin.c b/gcc/config/bfin/bfin.c
index 1868c53..e8e8a4f 100644
--- a/gcc/config/bfin/bfin.c
+++ b/gcc/config/bfin/bfin.c
@@ -4521,7 +4521,7 @@ workaround_speculation (void)
 
 		  if (delay_needed > cycles_since_jump)
 		    {
-		      rtx prev = prev_real_insn (label);
+		      rtx_insn *prev = prev_real_insn (label);
 		      delay_needed -= cycles_since_jump;
 		      if (dump_file)
 			fprintf (dump_file, "Adding %d nops after %d\n",
@@ -4587,7 +4587,7 @@ add_sched_insns_for_speculation (void)
 	  if (any_condjump_p (insn)
 	      && !cbranch_predicted_taken_p (insn))
 	    {
-	      rtx n = next_real_insn (insn);
+	      rtx_insn *n = next_real_insn (insn);
 	      emit_insn_before (gen_stall (GEN_INT (3)), n);
 	    }
 	}
diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c
index 0e8477d..d569244 100644
--- a/gcc/config/i386/i386.c
+++ b/gcc/config/i386/i386.c
@@ -6407,7 +6407,7 @@ ix86_init_pic_reg (void)
       rtx reg = crtl->profile
 		? gen_rtx_REG (Pmode, REAL_PIC_OFFSET_TABLE_REGNUM)
 		: pic_offset_table_rtx;
-      rtx insn = emit_insn (gen_set_got (reg));
+      rtx_insn *insn = emit_insn (gen_set_got (reg));
       RTX_FRAME_RELATED_P (insn) = 1;
       if (crtl->profile)
         emit_move_insn (pic_offset_table_rtx, reg);
@@ -10373,7 +10373,7 @@ static void
 ix86_emit_save_regs (void)
 {
   unsigned int regno;
-  rtx insn;
+  rtx_insn *insn;
 
   for (regno = FIRST_PSEUDO_REGISTER - 1; regno-- > 0; )
     if (!SSE_REGNO_P (regno) && ix86_save_reg (regno, true))
@@ -10837,7 +10837,7 @@ get_scratch_register_on_entry (struct scratch_reg *sr)
   sr->reg = gen_rtx_REG (Pmode, regno);
   if (sr->saved)
     {
-      rtx insn = emit_insn (gen_push (sr->reg));
+      rtx_insn *insn = emit_insn (gen_push (sr->reg));
       RTX_FRAME_RELATED_P (insn) = 1;
     }
 }
@@ -11804,7 +11804,7 @@ static void
 ix86_emit_restore_reg_using_pop (rtx reg)
 {
   struct machine_function *m = cfun->machine;
-  rtx insn = emit_insn (gen_pop (reg));
+  rtx_insn *insn = emit_insn (gen_pop (reg));
 
   ix86_add_cfa_restore_note (insn, reg, m->fs.sp_offset);
   m->fs.sp_offset -= UNITS_PER_WORD;
@@ -11874,7 +11874,7 @@ static void
 ix86_emit_leave (void)
 {
   struct machine_function *m = cfun->machine;
-  rtx insn = emit_insn (ix86_gen_leave ());
+  rtx_insn *insn = emit_insn (ix86_gen_leave ());
 
   ix86_add_queued_cfa_restore_notes (insn);
 
@@ -11910,7 +11910,8 @@ ix86_emit_restore_regs_using_mov (HOST_WIDE_INT cfa_offset,
     if (!SSE_REGNO_P (regno) && ix86_save_reg (regno, maybe_eh_return))
       {
 	rtx reg = gen_rtx_REG (word_mode, regno);
-	rtx insn, mem;
+	rtx mem;
+	rtx_insn *insn;
 
 	mem = choose_baseaddr (cfa_offset);
 	mem = gen_frame_mem (word_mode, mem);
@@ -12082,7 +12083,8 @@ ix86_expand_epilogue (int style)
       /* eh_return epilogues need %ecx added to the stack pointer.  */
       if (style == 2)
 	{
-	  rtx insn, sa = EH_RETURN_STACKADJ_RTX;
+	  rtx sa = EH_RETURN_STACKADJ_RTX;
+	  rtx_insn *insn;
 
 	  /* Stack align doesn't work with eh_return.  */
 	  gcc_assert (!stack_realign_drap);
@@ -12210,7 +12212,7 @@ ix86_expand_epilogue (int style)
   if (using_drap)
     {
       int param_ptr_offset = UNITS_PER_WORD;
-      rtx insn;
+      rtx_insn *insn;
 
       gcc_assert (stack_realign_drap);
 
@@ -12272,7 +12274,7 @@ ix86_expand_epilogue (int style)
       if (crtl->args.pops_args >= 65536)
 	{
 	  rtx ecx = gen_rtx_REG (SImode, CX_REG);
-	  rtx insn;
+	  rtx_insn *insn;
 
 	  /* There is no "pascal" calling convention in any 64bit ABI.  */
 	  gcc_assert (!TARGET_64BIT);
diff --git a/gcc/config/rl78/rl78.c b/gcc/config/rl78/rl78.c
index 6489807..0ca5515 100644
--- a/gcc/config/rl78/rl78.c
+++ b/gcc/config/rl78/rl78.c
@@ -3262,7 +3262,7 @@ rl78_alloc_physical_registers_cmp (rtx_insn * insn)
 {
   int tmp_id;
   rtx saved_op1;
-  rtx prev = prev_nonnote_nondebug_insn (insn);
+  rtx_insn *prev = prev_nonnote_nondebug_insn (insn);
   rtx first;
 
   OP (1) = transcode_memory_rtx (OP (1), DE, insn);
@@ -3353,7 +3353,7 @@ rl78_alloc_physical_registers_cmp (rtx_insn * insn)
 static void
 rl78_alloc_physical_registers_umul (rtx_insn * insn)
 {
-  rtx prev = prev_nonnote_nondebug_insn (insn);
+  rtx_insn *prev = prev_nonnote_nondebug_insn (insn);
   rtx first;
   int tmp_id;
   rtx saved_op1;
diff --git a/gcc/config/sh/sh.md b/gcc/config/sh/sh.md
index 24ddc9e..5c0e707 100644
--- a/gcc/config/sh/sh.md
+++ b/gcc/config/sh/sh.md
@@ -5964,7 +5964,7 @@ label:
    When we're here, the not:SI pattern obviously has been matched already
    and we only have to see whether the following insn is the left shift.  */
 
-  rtx i = next_nonnote_insn_bb (curr_insn);
+  rtx_insn *i = next_nonnote_insn_bb (curr_insn);
   if (i == NULL_RTX || !NONJUMP_INSN_P (i))
     FAIL;
 
diff --git a/gcc/cselib.c b/gcc/cselib.c
index 30845ed..5256a6e 100644
--- a/gcc/cselib.c
+++ b/gcc/cselib.c
@@ -642,7 +642,7 @@ discard_useless_locs (cselib_val **x, void *info ATTRIBUTE_UNUSED)
   cselib_val *v = *x;
   struct elt_loc_list **p = &v->locs;
   bool had_locs = v->locs != NULL;
-  rtx setting_insn = v->locs ? v->locs->setting_insn : NULL;
+  rtx_insn *setting_insn = v->locs ? v->locs->setting_insn : NULL;
 
   while (*p)
     {
@@ -2190,7 +2190,7 @@ cselib_invalidate_regno (unsigned int regno, machine_mode mode)
 	{
 	  cselib_val *v = (*l)->elt;
 	  bool had_locs;
-	  rtx setting_insn;
+	  rtx_insn *setting_insn;
 	  struct elt_loc_list **p;
 	  unsigned int this_last = i;
 
@@ -2268,7 +2268,7 @@ cselib_invalidate_mem (rtx mem_rtx)
       bool has_mem = false;
       struct elt_loc_list **p = &v->locs;
       bool had_locs = v->locs != NULL;
-      rtx setting_insn = v->locs ? v->locs->setting_insn : NULL;
+      rtx_insn *setting_insn = v->locs ? v->locs->setting_insn : NULL;
 
       while (*p)
 	{
diff --git a/gcc/function.c b/gcc/function.c
index af4c087..83e87a2 100644
--- a/gcc/function.c
+++ b/gcc/function.c
@@ -5094,7 +5094,8 @@ expand_function_start (tree subr)
   if (cfun->static_chain_decl)
     {
       tree parm = cfun->static_chain_decl;
-      rtx local, chain, insn;
+      rtx local, chain;
+     rtx_insn *insn;
 
       local = gen_reg_rtx (Pmode);
       chain = targetm.calls.static_chain (current_function_decl, true);
@@ -5657,7 +5658,8 @@ prologue_epilogue_contains (const_rtx insn)
 static void
 emit_use_return_register_into_block (basic_block bb)
 {
-  rtx seq, insn;
+  rtx seq;
+ rtx_insn *insn;
   start_sequence ();
   use_return_register ();
   seq = get_insns ();
diff --git a/gcc/gcse.c b/gcc/gcse.c
index e4303fe..cf02bab 100644
--- a/gcc/gcse.c
+++ b/gcc/gcse.c
@@ -573,7 +573,8 @@ compute_can_copy (void)
 {
   int i;
 #ifndef AVOID_CCMODE_COPIES
-  rtx reg, insn;
+  rtx reg;
+ rtx_insn *insn;
 #endif
   memset (can_copy, 0, NUM_MACHINE_MODES);
 
diff --git a/gcc/haifa-sched.c b/gcc/haifa-sched.c
index d202fd8..9a662d0 100644
--- a/gcc/haifa-sched.c
+++ b/gcc/haifa-sched.c
@@ -5241,7 +5241,6 @@ ok_for_early_queue_removal (rtx insn)
 {
   if (targetm.sched.is_costly_dependence)
     {
-      rtx prev_insn;
       int n_cycles;
       int i = scheduled_insns.length ();
       for (n_cycles = flag_sched_stalled_insns_dep; n_cycles; n_cycles--)
@@ -5250,7 +5249,7 @@ ok_for_early_queue_removal (rtx insn)
 	    {
 	      int cost;
 
-	      prev_insn = scheduled_insns[i];
+	      rtx_insn *prev_insn = scheduled_insns[i];
 
 	      if (!NOTE_P (prev_insn))
 		{
diff --git a/gcc/ifcvt.c b/gcc/ifcvt.c
index a3e3e5c..8d8d4a8 100644
--- a/gcc/ifcvt.c
+++ b/gcc/ifcvt.c
@@ -1864,7 +1864,7 @@ noce_get_alt_condition (struct noce_if_info *if_info, rtx target,
       enum rtx_code code = GET_CODE (if_info->cond);
       rtx op_a = XEXP (if_info->cond, 0);
       rtx op_b = XEXP (if_info->cond, 1);
-      rtx prev_insn;
+      rtx_insn *prev_insn;
 
       /* First, look to see if we put a constant in a register.  */
       prev_insn = prev_nonnote_insn (if_info->cond_earliest);
diff --git a/gcc/loop-doloop.c b/gcc/loop-doloop.c
index 0b6447ad..4607867 100644
--- a/gcc/loop-doloop.c
+++ b/gcc/loop-doloop.c
@@ -141,7 +141,7 @@ doloop_condition_get (rtx doloop_pat)
   if (GET_CODE (pattern) != PARALLEL)
     {
       rtx cond;
-      rtx prev_insn = prev_nondebug_insn (doloop_pat);
+      rtx_insn *prev_insn = prev_nondebug_insn (doloop_pat);
       rtx cmp_arg1, cmp_arg2;
       rtx cmp_orig;
 
diff --git a/gcc/lra-constraints.c b/gcc/lra-constraints.c
index a65a12f..791f7de 100644
--- a/gcc/lra-constraints.c
+++ b/gcc/lra-constraints.c
@@ -5567,7 +5567,7 @@ inherit_in_ebb (rtx_insn *head, rtx_insn *tail)
 			   || reg_renumber[src_regno] >= 0)
 		    {
 		      bool before_p;
-		      rtx use_insn = curr_insn;
+		      rtx_insn *use_insn = curr_insn;
 
 		      before_p = (JUMP_P (curr_insn)
 				  || (CALL_P (curr_insn) && reg->type == OP_IN));
diff --git a/gcc/modulo-sched.c b/gcc/modulo-sched.c
index 22cd216..8b0b0d4 100644
--- a/gcc/modulo-sched.c
+++ b/gcc/modulo-sched.c
@@ -2203,7 +2203,7 @@ sms_schedule_by_order (ddg_ptr g, int mii, int maxii, int *nodes_order)
 	{
 	  int u = nodes_order[i];
   	  ddg_node_ptr u_node = &ps->g->nodes[u];
-	  rtx insn = u_node->insn;
+	  rtx_insn *insn = u_node->insn;
 
 	  if (!NONDEBUG_INSN_P (insn))
 	    {
diff --git a/gcc/recog.c b/gcc/recog.c
index c3ad86f..a5be34c 100644
--- a/gcc/recog.c
+++ b/gcc/recog.c
@@ -978,7 +978,7 @@ validate_simplify_insn (rtx insn)
 int
 next_insn_tests_no_inequality (rtx insn)
 {
-  rtx next = next_cc0_user (insn);
+  rtx_insn *next = next_cc0_user (insn);
 
   /* If there is no next insn, we have to take the conservative choice.  */
   if (next == 0)
diff --git a/gcc/reorg.c b/gcc/reorg.c
index e9af7b7..a0674e4 100644
--- a/gcc/reorg.c
+++ b/gcc/reorg.c
@@ -535,7 +535,7 @@ emit_delay_sequence (rtx_insn *insn, rtx_insn_list *list, int length)
 
   /* Unlink INSN from the insn chain, so that we can put it into
      the SEQUENCE.   Remember where we want to emit SEQUENCE in AFTER.  */
-  rtx after = PREV_INSN (insn);
+  rtx_insn *after = PREV_INSN (insn);
   remove_insn (insn);
   SET_NEXT_INSN (insn) = SET_PREV_INSN (insn) = NULL;
 
@@ -1809,7 +1809,8 @@ reorg_redirect_jump (rtx_insn *jump, rtx nlabel)
 static void
 update_reg_dead_notes (rtx insn, rtx delayed_insn)
 {
-  rtx p, link, next;
+  rtx link, next;
+  rtx_insn *p;
 
   for (p = next_nonnote_insn (insn); p != delayed_insn;
        p = next_nonnote_insn (p))
@@ -1842,7 +1843,8 @@ update_reg_dead_notes (rtx insn, rtx delayed_insn)
 static void
 fix_reg_dead_note (rtx start_insn, rtx stop_insn)
 {
-  rtx p, link, next;
+  rtx link, next;
+  rtx_insn *p;
 
   for (p = next_nonnote_insn (start_insn); p != stop_insn;
        p = next_nonnote_insn (p))
@@ -2693,7 +2695,7 @@ fill_slots_from_thread (rtx_insn *insn, rtx condition, rtx thread_or_return,
 	  && REG_P (SET_DEST (pat))
 	  && !reg_overlap_mentioned_p (SET_DEST (pat), SET_SRC (pat)))
 	{
-	  rtx next = next_nonnote_insn (trial);
+	  rtx_insn *next = next_nonnote_insn (trial);
 
 	  if (next && NONJUMP_INSN_P (next)
 	      && GET_CODE (PATTERN (next)) != USE
@@ -3121,7 +3123,7 @@ delete_computation (rtx insn)
 
   if (HAVE_cc0 && reg_referenced_p (cc0_rtx, PATTERN (insn)))
     {
-      rtx prev = prev_nonnote_insn (insn);
+      rtx_insn *prev = prev_nonnote_insn (insn);
       /* We assume that at this stage
 	 CC's are always set explicitly
 	 and always immediately before the jump that