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make next/prev active_insn and active_insn_p take rtx_insn * 

gcc/ChangeLog:

2016-09-22  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

	* emit-rtl.c (next_active_insn): Change argument type to
	rtx_insn *.
	(prev_active_insn): Likewise.
	(active_insn_p): Likewise.
	* rtl.h: Adjust prototypes.
	* cfgcleanup.c (merge_blocks_move_successor_nojumps): Adjust.
	* config/arc/arc.md: Likewise.
	* config/pa/pa.c (branch_to_delay_slot_p): Likewise.
	(branch_needs_nop_p): Likewise.
	(use_skip_p): Likewise.
	* config/sh/sh.c (gen_block_redirect): Likewise.
	(split_branches): Likewise.
	* reorg.c (optimize_skip): Likewise.
	(fill_simple_delay_slots): Likewise.
	(fill_slots_from_thread): Likewise.
	(relax_delay_slots): Likewise.
	* resource.c (mark_target_live_regs): Likewise.

From-SVN: r240361
This commit is contained in:
Trevor Saunders 2016-09-22 13:16:41 +00:00 committed by Trevor Saunders
parent 1f00691e9b
commit 7c9796eddb
9 changed files with 75 additions and 41 deletions
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20
gcc/ChangeLog
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@ -1,3 +1,23 @@
2016-09-22 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
* emit-rtl.c (next_active_insn): Change argument type to
rtx_insn *.
(prev_active_insn): Likewise.
(active_insn_p): Likewise.
* rtl.h: Adjust prototypes.
* cfgcleanup.c (merge_blocks_move_successor_nojumps): Adjust.
* config/arc/arc.md: Likewise.
* config/pa/pa.c (branch_to_delay_slot_p): Likewise.
(branch_needs_nop_p): Likewise.
(use_skip_p): Likewise.
* config/sh/sh.c (gen_block_redirect): Likewise.
(split_branches): Likewise.
* reorg.c (optimize_skip): Likewise.
(fill_simple_delay_slots): Likewise.
(fill_slots_from_thread): Likewise.
(relax_delay_slots): Likewise.
* resource.c (mark_target_live_regs): Likewise.
2016-09-22 Trevor Saunders <tbsaunde+gcc@tbsaunde.org> 2016-09-22 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
* config/cris/cris.c (cris_asm_output_case_end): Change argument * config/cris/cris.c (cris_asm_output_case_end): Change argument

2
gcc/cfgcleanup.c
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@ -708,7 +708,7 @@ merge_blocks_move_successor_nojumps (basic_block a, basic_block b)
/* If there is a jump table following block B temporarily add the jump table /* If there is a jump table following block B temporarily add the jump table
to block B so that it will also be moved to the correct location. */ to block B so that it will also be moved to the correct location. */
if (tablejump_p (BB_END (b), &label, &table) if (tablejump_p (BB_END (b), &label, &table)
&& prev_active_insn (label) == BB_END (b)) && prev_active_insn (as_a<rtx_insn *> (label)) == BB_END (b))
{ {
BB_END (b) = table; BB_END (b) = table;
} }

33
gcc/config/arc/arc.md
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@ -5122,16 +5122,29 @@
scan = as_a <rtx_insn *> (XEXP (SET_SRC (PATTERN (scan)), 0)); scan = as_a <rtx_insn *> (XEXP (SET_SRC (PATTERN (scan)), 0));
continue; continue;
} }
if (JUMP_LABEL (scan)
/* JUMP_LABEL might be simple_return instead if an insn. */ rtx lab = JUMP_LABEL (scan);
&& (!INSN_P (JUMP_LABEL (scan)) if (!lab)
|| (!next_active_insn (JUMP_LABEL (scan)) break;
|| (recog_memoized (next_active_insn (JUMP_LABEL (scan)))
!= CODE_FOR_doloop_begin_i))) rtx_insn *next_scan
&& (!next_active_insn (NEXT_INSN (PREV_INSN (scan))) = next_active_insn (NEXT_INSN (PREV_INSN (scan)));
|| (recog_memoized if (next_scan
(next_active_insn (NEXT_INSN (PREV_INSN (scan)))) && recog_memoized (next_scan) != CODE_FOR_doloop_begin_i)
!= CODE_FOR_doloop_begin_i))) break;
/* JUMP_LABEL might be simple_return instead if an insn. */
if (!INSN_P (lab))
{
n_insns++;
break;
}
rtx_insn *next_lab = next_active_insn (as_a<rtx_insn *> (lab));
if (next_lab
&& recog_memoized (next_lab) != CODE_FOR_doloop_begin_i)
break;
n_insns++; n_insns++;
} }
break; break;

6
gcc/config/pa/pa.c
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@ -6445,7 +6445,7 @@ branch_to_delay_slot_p (rtx_insn *insn)
if (dbr_sequence_length ()) if (dbr_sequence_length ())
return FALSE; return FALSE;
jump_insn = next_active_insn (JUMP_LABEL (insn)); jump_insn = next_active_insn (JUMP_LABEL_AS_INSN (insn));
while (insn) while (insn)
{ {
insn = next_active_insn (insn); insn = next_active_insn (insn);
@ -6479,7 +6479,7 @@ branch_needs_nop_p (rtx_insn *insn)
if (dbr_sequence_length ()) if (dbr_sequence_length ())
return FALSE; return FALSE;
jump_insn = next_active_insn (JUMP_LABEL (insn)); jump_insn = next_active_insn (JUMP_LABEL_AS_INSN (insn));
while (insn) while (insn)
{ {
insn = next_active_insn (insn); insn = next_active_insn (insn);
@ -6502,7 +6502,7 @@ branch_needs_nop_p (rtx_insn *insn)
static bool static bool
use_skip_p (rtx_insn *insn) use_skip_p (rtx_insn *insn)
{ {
rtx_insn *jump_insn = next_active_insn (JUMP_LABEL (insn)); rtx_insn *jump_insn = next_active_insn (JUMP_LABEL_AS_INSN (insn));
while (insn) while (insn)
{ {

8
gcc/config/sh/sh.c
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@ -5503,7 +5503,8 @@ gen_block_redirect (rtx_insn *jump, int addr, int need_block)
else if (optimize && need_block >= 0) else if (optimize && need_block >= 0)
{ {
rtx_insn *next = next_active_insn (next_active_insn (dest)); rtx_insn *next = next_active_insn (as_a<rtx_insn *> (dest));
next = next_active_insn (next);
if (next && JUMP_P (next) if (next && JUMP_P (next)
&& GET_CODE (PATTERN (next)) == SET && GET_CODE (PATTERN (next)) == SET
&& recog_memoized (next) == CODE_FOR_jump_compact) && recog_memoized (next) == CODE_FOR_jump_compact)
@ -6395,9 +6396,8 @@ split_branches (rtx_insn *first)
/* We can't use JUMP_LABEL here because it might be undefined /* We can't use JUMP_LABEL here because it might be undefined
when not optimizing. */ when not optimizing. */
/* A syntax error might cause beyond to be NULL_RTX. */ /* A syntax error might cause beyond to be NULL_RTX. */
beyond rtx temp = XEXP (XEXP (SET_SRC (PATTERN (insn)), 1), 0);
= next_active_insn (XEXP (XEXP (SET_SRC (PATTERN (insn)), 1), beyond = next_active_insn (as_a<rtx_insn *> (temp));
0));
if (beyond if (beyond
&& (JUMP_P (beyond) && (JUMP_P (beyond)

10
gcc/emit-rtl.c
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@ -3490,7 +3490,7 @@ last_call_insn (void)
standalone USE and CLOBBER insn. */ standalone USE and CLOBBER insn. */
int int
active_insn_p (const_rtx insn) active_insn_p (const rtx_insn *insn)
{ {
return (CALL_P (insn) || JUMP_P (insn) return (CALL_P (insn) || JUMP_P (insn)
|| JUMP_TABLE_DATA_P (insn) /* FIXME */ || JUMP_TABLE_DATA_P (insn) /* FIXME */
@ -3501,10 +3501,8 @@ active_insn_p (const_rtx insn)
} }
rtx_insn * rtx_insn *
next_active_insn (rtx uncast_insn) next_active_insn (rtx_insn *insn)
{ {
rtx_insn *insn = safe_as_a <rtx_insn *> (uncast_insn);
while (insn) while (insn)
{ {
insn = NEXT_INSN (insn); insn = NEXT_INSN (insn);
@ -3520,10 +3518,8 @@ next_active_insn (rtx uncast_insn)
standalone USE and CLOBBER insn. */ standalone USE and CLOBBER insn. */
rtx_insn * rtx_insn *
prev_active_insn (rtx uncast_insn) prev_active_insn (rtx_insn *insn)
{ {
rtx_insn *insn = safe_as_a <rtx_insn *> (uncast_insn);
while (insn) while (insn)
{ {
insn = PREV_INSN (insn); insn = PREV_INSN (insn);

29
gcc/reorg.c
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@ -749,7 +749,7 @@ optimize_skip (rtx_jump_insn *insn, vec<rtx_insn *> *delay_list)
we have one insn followed by a branch to the same label we branch to. we have one insn followed by a branch to the same label we branch to.
In both of these cases, inverting the jump and annulling the delay In both of these cases, inverting the jump and annulling the delay
slot give the same effect in fewer insns. */ slot give the same effect in fewer insns. */
if (next_trial == next_active_insn (JUMP_LABEL (insn)) if (next_trial == next_active_insn (JUMP_LABEL_AS_INSN (insn))
|| (next_trial != 0 || (next_trial != 0
&& simplejump_or_return_p (next_trial) && simplejump_or_return_p (next_trial)
&& JUMP_LABEL (insn) == JUMP_LABEL (next_trial))) && JUMP_LABEL (insn) == JUMP_LABEL (next_trial)))
@ -2198,7 +2198,7 @@ fill_simple_delay_slots (int non_jumps_p)
&& trial && trial
&& jump_to_label_p (trial) && jump_to_label_p (trial)
&& simplejump_p (trial) && simplejump_p (trial)
&& (next_trial = next_active_insn (JUMP_LABEL (trial))) != 0 && (next_trial = next_active_insn (JUMP_LABEL_AS_INSN (trial))) != 0
&& ! (NONJUMP_INSN_P (next_trial) && ! (NONJUMP_INSN_P (next_trial)
&& GET_CODE (PATTERN (next_trial)) == SEQUENCE) && GET_CODE (PATTERN (next_trial)) == SEQUENCE)
&& !JUMP_P (next_trial) && !JUMP_P (next_trial)
@ -2238,8 +2238,8 @@ fill_simple_delay_slots (int non_jumps_p)
&& simplejump_p (jump_insn) && simplejump_p (jump_insn)
&& slots_filled != slots_to_fill) && slots_filled != slots_to_fill)
fill_slots_from_thread (jump_insn, const_true_rtx, fill_slots_from_thread (jump_insn, const_true_rtx,
next_active_insn (JUMP_LABEL (insn)), NULL, 1, next_active_insn (JUMP_LABEL_AS_INSN (insn)),
1, own_thread_p (JUMP_LABEL (insn), NULL, 1, 1, own_thread_p (JUMP_LABEL (insn),
JUMP_LABEL (insn), 0), JUMP_LABEL (insn), 0),
slots_to_fill, &slots_filled, &delay_list); slots_to_fill, &slots_filled, &delay_list);
@ -2575,7 +2575,8 @@ fill_slots_from_thread (rtx_jump_insn *insn, rtx condition,
to call update_block and delete_insn. */ to call update_block and delete_insn. */
fix_reg_dead_note (prior_insn, insn); fix_reg_dead_note (prior_insn, insn);
update_reg_unused_notes (prior_insn, new_thread); update_reg_unused_notes (prior_insn, new_thread);
new_thread = next_active_insn (new_thread); new_thread
= next_active_insn (as_a<rtx_insn *> (new_thread));
} }
break; break;
} }
@ -3079,7 +3080,7 @@ delete_jump (rtx_insn *insn)
} }
static rtx_insn * static rtx_insn *
label_before_next_insn (rtx x, rtx scan_limit) label_before_next_insn (rtx_insn *x, rtx scan_limit)
{ {
rtx_insn *insn = next_active_insn (x); rtx_insn *insn = next_active_insn (x);
while (insn) while (insn)
@ -3142,7 +3143,8 @@ relax_delay_slots (rtx_insn *first)
if (ANY_RETURN_P (target_label)) if (ANY_RETURN_P (target_label))
target_label = find_end_label (target_label); target_label = find_end_label (target_label);
if (target_label && next_active_insn (target_label) == next if (target_label
&& next_active_insn (as_a<rtx_insn *> (target_label)) == next
&& ! condjump_in_parallel_p (jump_insn) && ! condjump_in_parallel_p (jump_insn)
&& ! (next && switch_text_sections_between_p (jump_insn, next))) && ! (next && switch_text_sections_between_p (jump_insn, next)))
{ {
@ -3163,7 +3165,8 @@ relax_delay_slots (rtx_insn *first)
if (next && simplejump_or_return_p (next) if (next && simplejump_or_return_p (next)
&& any_condjump_p (jump_insn) && any_condjump_p (jump_insn)
&& target_label && target_label
&& next_active_insn (target_label) == next_active_insn (next) && (next_active_insn (as_a<rtx_insn *> (target_label))
== next_active_insn (next))
&& no_labels_between_p (jump_insn, next) && no_labels_between_p (jump_insn, next)
&& targetm.can_follow_jump (jump_insn, next)) && targetm.can_follow_jump (jump_insn, next))
{ {
@ -3318,7 +3321,7 @@ relax_delay_slots (rtx_insn *first)
{ {
/* Figure out where to emit the special USE insn so we don't /* Figure out where to emit the special USE insn so we don't
later incorrectly compute register live/death info. */ later incorrectly compute register live/death info. */
rtx_insn *tmp = next_active_insn (trial); rtx_insn *tmp = next_active_insn (as_a<rtx_insn *> (trial));
if (tmp == 0) if (tmp == 0)
tmp = find_end_label (simple_return_rtx); tmp = find_end_label (simple_return_rtx);
@ -3366,7 +3369,7 @@ relax_delay_slots (rtx_insn *first)
/* See if we have a simple (conditional) jump that is useless. */ /* See if we have a simple (conditional) jump that is useless. */
if (! INSN_ANNULLED_BRANCH_P (delay_jump_insn) if (! INSN_ANNULLED_BRANCH_P (delay_jump_insn)
&& ! condjump_in_parallel_p (delay_jump_insn) && ! condjump_in_parallel_p (delay_jump_insn)
&& prev_active_insn (target_label) == insn && prev_active_insn (as_a<rtx_insn *> (target_label)) == insn
&& ! BARRIER_P (prev_nonnote_insn (as_a<rtx_insn *> (target_label))) && ! BARRIER_P (prev_nonnote_insn (as_a<rtx_insn *> (target_label)))
/* If the last insn in the delay slot sets CC0 for some insn, /* If the last insn in the delay slot sets CC0 for some insn,
various code assumes that it is in a delay slot. We could various code assumes that it is in a delay slot. We could
@ -3429,7 +3432,8 @@ relax_delay_slots (rtx_insn *first)
if (! INSN_ANNULLED_BRANCH_P (delay_jump_insn) if (! INSN_ANNULLED_BRANCH_P (delay_jump_insn)
&& any_condjump_p (delay_jump_insn) && any_condjump_p (delay_jump_insn)
&& next && simplejump_or_return_p (next) && next && simplejump_or_return_p (next)
&& next_active_insn (target_label) == next_active_insn (next) && (next_active_insn (as_a<rtx_insn *> (target_label))
== next_active_insn (next))
&& no_labels_between_p (insn, next)) && no_labels_between_p (insn, next))
{ {
rtx label = JUMP_LABEL (next); rtx label = JUMP_LABEL (next);
@ -3480,7 +3484,8 @@ relax_delay_slots (rtx_insn *first)
try_merge_delay_insns (insn, next); try_merge_delay_insns (insn, next);
else if (! INSN_FROM_TARGET_P (pat->insn (1)) else if (! INSN_FROM_TARGET_P (pat->insn (1))
&& own_thread_p (target_label, target_label, 0)) && own_thread_p (target_label, target_label, 0))
try_merge_delay_insns (insn, next_active_insn (target_label)); try_merge_delay_insns (insn,
next_active_insn (as_a<rtx_insn *> (target_label)));
/* If we get here, we haven't deleted INSN. But we may have deleted /* If we get here, we haven't deleted INSN. But we may have deleted
NEXT, so recompute it. */ NEXT, so recompute it. */

2
gcc/resource.c
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@ -1122,7 +1122,7 @@ mark_target_live_regs (rtx_insn *insns, rtx target_maybe_return, struct resource
rtx_insn *stop_insn = next_active_insn (jump_insn); rtx_insn *stop_insn = next_active_insn (jump_insn);
if (!ANY_RETURN_P (jump_target)) if (!ANY_RETURN_P (jump_target))
jump_target = next_active_insn (jump_target); jump_target = next_active_insn (as_a<rtx_insn *> (jump_target));
mark_target_live_regs (insns, jump_target, &new_resources); mark_target_live_regs (insns, jump_target, &new_resources);
CLEAR_RESOURCE (&set); CLEAR_RESOURCE (&set);
CLEAR_RESOURCE (&needed); CLEAR_RESOURCE (&needed);

6
gcc/rtl.h
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@ -2844,9 +2844,9 @@ extern rtx_insn *prev_nonnote_nondebug_insn (rtx_insn *);
extern rtx_insn *next_nonnote_nondebug_insn (rtx_insn *); extern rtx_insn *next_nonnote_nondebug_insn (rtx_insn *);
extern rtx_insn *prev_real_insn (rtx_insn *); extern rtx_insn *prev_real_insn (rtx_insn *);
extern rtx_insn *next_real_insn (rtx); extern rtx_insn *next_real_insn (rtx);
extern rtx_insn *prev_active_insn (rtx); extern rtx_insn *prev_active_insn (rtx_insn *);
extern rtx_insn *next_active_insn (rtx); extern rtx_insn *next_active_insn (rtx_insn *);
extern int active_insn_p (const_rtx); extern int active_insn_p (const rtx_insn *);
extern rtx_insn *next_cc0_user (rtx); extern rtx_insn *next_cc0_user (rtx);
extern rtx_insn *prev_cc0_setter (rtx_insn *); extern rtx_insn *prev_cc0_setter (rtx_insn *);