OpenE2K
/
gcc
2
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

resource.c (mark_referenced_resources): Change include_delayed_effects parameter to bool. 

* resource.c (mark_referenced_resources): Change
	include_delayed_effects parameter to bool.  Change all callers.
	(mark_end_of_function_resources): Likewise.
	* reorg.c (insn_references_resource_p): Likewise.
	(insn_sets_resource_p): Likewise.
	* resource.h (mark_referenced_resources): Update declaration.
	(mark_end_of_function_resources): Update declaration.

From-SVN: r148547
This commit is contained in:
Ian Lance Taylor 2009-06-16 18:55:20 +00:00 committed by Ian Lance Taylor
parent a322799deb
commit 675f99c97f
4 changed files with 93 additions and 79 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
gcc/ChangeLog
View File

@ -1,3 +1,13 @@
2009-06-16 Ian Lance Taylor <iant@google.com>
* resource.c (mark_referenced_resources): Change
include_delayed_effects parameter to bool. Change all callers.
(mark_end_of_function_resources): Likewise.
* reorg.c (insn_references_resource_p): Likewise.
(insn_sets_resource_p): Likewise.
* resource.h (mark_referenced_resources): Update declaration.
(mark_end_of_function_resources): Update declaration.
2009-06-16 David Edelsohn <edelsohn@gnu.org>
* config/rs6000/aix.h (LIBSTDCXX_STATIC): Remove -lstdc++.

119
gcc/reorg.c
View File

@ -173,8 +173,8 @@ static int max_uid;
static int stop_search_p (rtx, int);
static int resource_conflicts_p (struct resources *, struct resources *);
static int insn_references_resource_p (rtx, struct resources *, int);
static int insn_sets_resource_p (rtx, struct resources *, int);
static int insn_references_resource_p (rtx, struct resources *, bool);
static int insn_sets_resource_p (rtx, struct resources *, bool);
static rtx find_end_label (void);
static rtx emit_delay_sequence (rtx, rtx, int);
static rtx add_to_delay_list (rtx, rtx);
@ -297,7 +297,7 @@ resource_conflicts_p (struct resources *res1, struct resources *res2)
static int
insn_references_resource_p (rtx insn, struct resources *res,
int include_delayed_effects)
bool include_delayed_effects)
{
struct resources insn_res;
@ -313,7 +313,7 @@ insn_references_resource_p (rtx insn, struct resources *res,
static int
insn_sets_resource_p (rtx insn, struct resources *res,
int include_delayed_effects)
bool include_delayed_effects)
{
struct resources insn_sets;
@ -1246,7 +1246,7 @@ steal_delay_list_from_target (rtx insn, rtx condition, rtx seq,
rtx trial = XEXP (temp, 0);
mark_set_resources (trial, &cc_set, 0, MARK_SRC_DEST_CALL);
if (insn_references_resource_p (XVECEXP (seq , 0, 0), &cc_set, 0))
if (insn_references_resource_p (XVECEXP (seq , 0, 0), &cc_set, false))
return delay_list;
}
@ -1268,9 +1268,9 @@ steal_delay_list_from_target (rtx insn, rtx condition, rtx seq,
rtx trial = XVECEXP (seq, 0, i);
int flags;
if (insn_references_resource_p (trial, sets, 0)
|| insn_sets_resource_p (trial, needed, 0)
|| insn_sets_resource_p (trial, sets, 0)
if (insn_references_resource_p (trial, sets, false)
|| insn_sets_resource_p (trial, needed, false)
|| insn_sets_resource_p (trial, sets, false)
#ifdef HAVE_cc0
/* If TRIAL sets CC0, we can't copy it, so we can't steal this
delay list. */
@ -1293,7 +1293,7 @@ steal_delay_list_from_target (rtx insn, rtx condition, rtx seq,
if (! must_annul
&& ((condition == const_true_rtx
|| (! insn_sets_resource_p (trial, other_needed, 0)
|| (! insn_sets_resource_p (trial, other_needed, false)
&& ! may_trap_or_fault_p (PATTERN (trial)))))
? eligible_for_delay (insn, total_slots_filled, trial, flags)
: (must_annul || (delay_list == NULL && new_delay_list == NULL))
@ -1368,9 +1368,9 @@ steal_delay_list_from_fallthrough (rtx insn, rtx condition, rtx seq,
/* If TRIAL sets CC0, stealing it will move it too far from the use
of CC0. */
if (insn_references_resource_p (trial, sets, 0)
|| insn_sets_resource_p (trial, needed, 0)
|| insn_sets_resource_p (trial, sets, 0)
if (insn_references_resource_p (trial, sets, false)
|| insn_sets_resource_p (trial, needed, false)
|| insn_sets_resource_p (trial, sets, false)
#ifdef HAVE_cc0
|| sets_cc0_p (PATTERN (trial))
#endif
@ -1387,7 +1387,7 @@ steal_delay_list_from_fallthrough (rtx insn, rtx condition, rtx seq,
if (! must_annul
&& ((condition == const_true_rtx
|| (! insn_sets_resource_p (trial, other_needed, 0)
|| (! insn_sets_resource_p (trial, other_needed, false)
&& ! may_trap_or_fault_p (PATTERN (trial)))))
? eligible_for_delay (insn, *pslots_filled, trial, flags)
: (must_annul || delay_list == NULL) && (must_annul = 1,
@ -1448,7 +1448,8 @@ try_merge_delay_insns (rtx insn, rtx thread)
if (! annul_p)
for (i = 1 ; i < num_slots; i++)
if (XVECEXP (PATTERN (insn), 0, i))
mark_referenced_resources (XVECEXP (PATTERN (insn), 0, i), &needed, 1);
mark_referenced_resources (XVECEXP (PATTERN (insn), 0, i), &needed,
true);
for (trial = thread; !stop_search_p (trial, 1); trial = next_trial)
{
@ -1467,9 +1468,9 @@ try_merge_delay_insns (rtx insn, rtx thread)
/* We can't share an insn that sets cc0. */
&& ! sets_cc0_p (pat)
#endif
&& ! insn_references_resource_p (trial, &set, 1)
&& ! insn_sets_resource_p (trial, &set, 1)
&& ! insn_sets_resource_p (trial, &needed, 1)
&& ! insn_references_resource_p (trial, &set, true)
&& ! insn_sets_resource_p (trial, &set, true)
&& ! insn_sets_resource_p (trial, &needed, true)
&& (trial = try_split (pat, trial, 0)) != 0
/* Update next_trial, in case try_split succeeded. */
&& (next_trial = next_nonnote_insn (trial))
@ -1500,7 +1501,7 @@ try_merge_delay_insns (rtx insn, rtx thread)
}
mark_set_resources (trial, &set, 0, MARK_SRC_DEST_CALL);
mark_referenced_resources (trial, &needed, 1);
mark_referenced_resources (trial, &needed, true);
}
/* See if we stopped on a filled insn. If we did, try to see if its
@ -1515,15 +1516,15 @@ try_merge_delay_insns (rtx insn, rtx thread)
/* Account for resources set/needed by the filled insn. */
mark_set_resources (filled_insn, &set, 0, MARK_SRC_DEST_CALL);
mark_referenced_resources (filled_insn, &needed, 1);
mark_referenced_resources (filled_insn, &needed, true);
for (i = 1; i < XVECLEN (pat, 0); i++)
{
rtx dtrial = XVECEXP (pat, 0, i);
if (! insn_references_resource_p (dtrial, &set, 1)
&& ! insn_sets_resource_p (dtrial, &set, 1)
&& ! insn_sets_resource_p (dtrial, &needed, 1)
if (! insn_references_resource_p (dtrial, &set, true)
&& ! insn_sets_resource_p (dtrial, &set, true)
&& ! insn_sets_resource_p (dtrial, &needed, true)
#ifdef HAVE_cc0
&& ! sets_cc0_p (PATTERN (dtrial))
#endif
@ -1554,7 +1555,7 @@ try_merge_delay_insns (rtx insn, rtx thread)
/* Keep track of the set/referenced resources for the delay
slots of any trial insns we encounter. */
mark_set_resources (dtrial, &set, 0, MARK_SRC_DEST_CALL);
mark_referenced_resources (dtrial, &needed, 1);
mark_referenced_resources (dtrial, &needed, true);
}
}
}
@ -1690,7 +1691,7 @@ redundant_insn (rtx insn, rtx target, rtx delay_list)
CLEAR_RESOURCE (&needed);
CLEAR_RESOURCE (&set);
mark_set_resources (insn, &set, 0, MARK_SRC_DEST_CALL);
mark_referenced_resources (insn, &needed, 1);
mark_referenced_resources (insn, &needed, true);
/* If TARGET is a SEQUENCE, get the main insn. */
if (NONJUMP_INSN_P (target) && GET_CODE (PATTERN (target)) == SEQUENCE)
@ -1702,8 +1703,8 @@ redundant_insn (rtx insn, rtx target, rtx delay_list)
#endif
/* The insn requiring the delay may not set anything needed or set by
INSN. */
|| insn_sets_resource_p (target_main, &needed, 1)
|| insn_sets_resource_p (target_main, &set, 1))
|| insn_sets_resource_p (target_main, &needed, true)
|| insn_sets_resource_p (target_main, &set, true))
return 0;
/* Insns we pass may not set either NEEDED or SET, so merge them for
@ -1717,14 +1718,15 @@ redundant_insn (rtx insn, rtx target, rtx delay_list)
while (delay_list)
{
if (insn_sets_resource_p (XEXP (delay_list, 0), &needed, 1))
if (insn_sets_resource_p (XEXP (delay_list, 0), &needed, true))
return 0;
delay_list = XEXP (delay_list, 1);
}
if (NONJUMP_INSN_P (target) && GET_CODE (PATTERN (target)) == SEQUENCE)
for (i = 1; i < XVECLEN (PATTERN (target), 0); i++)
if (insn_sets_resource_p (XVECEXP (PATTERN (target), 0, i), &needed, 1))
if (insn_sets_resource_p (XVECEXP (PATTERN (target), 0, i), &needed,
true))
return 0;
/* Scan backwards until we reach a label or an insn that uses something
@ -1783,13 +1785,13 @@ redundant_insn (rtx insn, rtx target, rtx delay_list)
we must stop if it sets anything needed or set by INSN. */
if ((! INSN_ANNULLED_BRANCH_P (XVECEXP (pat, 0, 0))
|| ! INSN_FROM_TARGET_P (candidate))
&& insn_sets_resource_p (candidate, &needed, 1))
&& insn_sets_resource_p (candidate, &needed, true))
return 0;
}
/* If the insn requiring the delay slot conflicts with INSN, we
must stop. */
if (insn_sets_resource_p (XVECEXP (pat, 0, 0), &needed, 1))
if (insn_sets_resource_p (XVECEXP (pat, 0, 0), &needed, true))
return 0;
}
else
@ -1800,7 +1802,7 @@ redundant_insn (rtx insn, rtx target, rtx delay_list)
return trial;
/* Can't go any further if TRIAL conflicts with INSN. */
if (insn_sets_resource_p (trial, &needed, 1))
if (insn_sets_resource_p (trial, &needed, true))
return 0;
}
}
@ -2138,7 +2140,7 @@ fill_simple_delay_slots (int non_jumps_p)
CLEAR_RESOURCE (&needed);
CLEAR_RESOURCE (&set);
mark_set_resources (insn, &set, 0, MARK_SRC_DEST);
mark_referenced_resources (insn, &needed, 0);
mark_referenced_resources (insn, &needed, false);
for (trial = prev_nonnote_insn (insn); ! stop_search_p (trial, 1);
trial = next_trial)
@ -2154,9 +2156,9 @@ fill_simple_delay_slots (int non_jumps_p)
/* Check for resource conflict first, to avoid unnecessary
splitting. */
if (! insn_references_resource_p (trial, &set, 1)
&& ! insn_sets_resource_p (trial, &set, 1)
&& ! insn_sets_resource_p (trial, &needed, 1)
if (! insn_references_resource_p (trial, &set, true)
&& ! insn_sets_resource_p (trial, &set, true)
&& ! insn_sets_resource_p (trial, &needed, true)
#ifdef HAVE_cc0
/* Can't separate set of cc0 from its use. */
&& ! (reg_mentioned_p (cc0_rtx, pat) && ! sets_cc0_p (pat))
@ -2184,7 +2186,7 @@ fill_simple_delay_slots (int non_jumps_p)
}
mark_set_resources (trial, &set, 0, MARK_SRC_DEST_CALL);
mark_referenced_resources (trial, &needed, 1);
mark_referenced_resources (trial, &needed, true);
}
}
@ -2255,13 +2257,13 @@ fill_simple_delay_slots (int non_jumps_p)
if (CALL_P (insn))
{
mark_set_resources (insn, &set, 0, MARK_SRC_DEST_CALL);
mark_referenced_resources (insn, &needed, 1);
mark_referenced_resources (insn, &needed, true);
maybe_never = 1;
}
else
{
mark_set_resources (insn, &set, 0, MARK_SRC_DEST_CALL);
mark_referenced_resources (insn, &needed, 1);
mark_referenced_resources (insn, &needed, true);
if (JUMP_P (insn))
target = JUMP_LABEL (insn);
}
@ -2296,9 +2298,9 @@ fill_simple_delay_slots (int non_jumps_p)
/* See if we have a resource problem before we try to
split. */
if (GET_CODE (pat) != SEQUENCE
&& ! insn_references_resource_p (trial, &set, 1)
&& ! insn_sets_resource_p (trial, &set, 1)
&& ! insn_sets_resource_p (trial, &needed, 1)
&& ! insn_references_resource_p (trial, &set, true)
&& ! insn_sets_resource_p (trial, &set, true)
&& ! insn_sets_resource_p (trial, &needed, true)
#ifdef HAVE_cc0
&& ! (reg_mentioned_p (cc0_rtx, pat) && ! sets_cc0_p (pat))
#endif
@ -2322,7 +2324,7 @@ fill_simple_delay_slots (int non_jumps_p)
}
mark_set_resources (trial, &set, 0, MARK_SRC_DEST_CALL);
mark_referenced_resources (trial, &needed, 1);
mark_referenced_resources (trial, &needed, true);
/* Ensure we don't put insns between the setting of cc and the
comparison by moving a setting of cc into an earlier delay
@ -2349,9 +2351,9 @@ fill_simple_delay_slots (int non_jumps_p)
&& ! (NONJUMP_INSN_P (next_trial)
&& GET_CODE (PATTERN (next_trial)) == SEQUENCE)
&& !JUMP_P (next_trial)
&& ! insn_references_resource_p (next_trial, &set, 1)
&& ! insn_sets_resource_p (next_trial, &set, 1)
&& ! insn_sets_resource_p (next_trial, &needed, 1)
&& ! insn_references_resource_p (next_trial, &set, true)
&& ! insn_sets_resource_p (next_trial, &set, true)
&& ! insn_sets_resource_p (next_trial, &needed, true)
#ifdef HAVE_cc0
&& ! reg_mentioned_p (cc0_rtx, PATTERN (next_trial))
#endif
@ -2458,9 +2460,9 @@ fill_simple_delay_slots (int non_jumps_p)
if (GET_CODE (pat) == USE || GET_CODE (pat) == CLOBBER)
continue;
if (! insn_references_resource_p (trial, &set, 1)
&& ! insn_sets_resource_p (trial, &needed, 1)
&& ! insn_sets_resource_p (trial, &set, 1)
if (! insn_references_resource_p (trial, &set, true)
&& ! insn_sets_resource_p (trial, &needed, true)
&& ! insn_sets_resource_p (trial, &set, true)
#ifdef HAVE_cc0
/* Don't want to mess with cc0 here. */
&& ! reg_mentioned_p (cc0_rtx, pat)
@ -2476,7 +2478,7 @@ fill_simple_delay_slots (int non_jumps_p)
crtl->epilogue_delay_list
= gen_rtx_INSN_LIST (VOIDmode, trial,
crtl->epilogue_delay_list);
mark_end_of_function_resources (trial, 1);
mark_end_of_function_resources (trial, true);
update_block (trial, trial);
delete_related_insns (trial);
@ -2490,7 +2492,7 @@ fill_simple_delay_slots (int non_jumps_p)
}
mark_set_resources (trial, &set, 0, MARK_SRC_DEST_CALL);
mark_referenced_resources (trial, &needed, 1);
mark_referenced_resources (trial, &needed, true);
}
note_delay_statistics (slots_filled, 0);
@ -2635,9 +2637,9 @@ fill_slots_from_thread (rtx insn, rtx condition, rtx thread,
/* If TRIAL conflicts with the insns ahead of it, we lose. Also,
don't separate or copy insns that set and use CC0. */
if (! insn_references_resource_p (trial, &set, 1)
&& ! insn_sets_resource_p (trial, &set, 1)
&& ! insn_sets_resource_p (trial, &needed, 1)
if (! insn_references_resource_p (trial, &set, true)
&& ! insn_sets_resource_p (trial, &set, true)
&& ! insn_sets_resource_p (trial, &needed, true)
#ifdef HAVE_cc0
&& ! (reg_mentioned_p (cc0_rtx, pat)
&& (! own_thread || ! sets_cc0_p (pat)))
@ -2678,7 +2680,7 @@ fill_slots_from_thread (rtx insn, rtx condition, rtx thread,
go into an annulled delay slot. */
if (!must_annul
&& (condition == const_true_rtx
|| (! insn_sets_resource_p (trial, &opposite_needed, 1)
|| (! insn_sets_resource_p (trial, &opposite_needed, true)
&& ! may_trap_or_fault_p (pat))))
{
old_trial = trial;
@ -2793,10 +2795,11 @@ fill_slots_from_thread (rtx insn, rtx condition, rtx thread,
may be branching to a location that has a
redundant insn. Skip any if so. */
while (new_thread && ! own_thread
&& ! insn_sets_resource_p (new_thread, &set, 1)
&& ! insn_sets_resource_p (new_thread, &needed, 1)
&& ! insn_sets_resource_p (new_thread, &set, true)
&& ! insn_sets_resource_p (new_thread, &needed,
true)
&& ! insn_references_resource_p (new_thread,
&set, 1)
&set, true)
&& (prior_insn
= redundant_insn (new_thread, insn,
delay_list)))
@ -2818,7 +2821,7 @@ fill_slots_from_thread (rtx insn, rtx condition, rtx thread,
/* This insn can't go into a delay slot. */
lose = 1;
mark_set_resources (trial, &set, 0, MARK_SRC_DEST_CALL);
mark_referenced_resources (trial, &needed, 1);
mark_referenced_resources (trial, &needed, true);
/* Ensure we don't put insns between the setting of cc and the comparison
by moving a setting of cc into an earlier delay slot since these insns

36
gcc/resource.c
View File

@ -1,6 +1,6 @@
/* Definitions for computing resource usage of specific insns.
Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008
Free Software Foundation, Inc.
Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008,
2009 Free Software Foundation, Inc.
This file is part of GCC.
@ -203,7 +203,7 @@ next_insn_no_annul (rtx insn)
void
mark_referenced_resources (rtx x, struct resources *res,
int include_delayed_effects)
bool include_delayed_effects)
{
enum rtx_code code = GET_CODE (x);
int i, j;
@ -226,7 +226,7 @@ mark_referenced_resources (rtx x, struct resources *res,
case SUBREG:
if (!REG_P (SUBREG_REG (x)))
mark_referenced_resources (SUBREG_REG (x), res, 0);
mark_referenced_resources (SUBREG_REG (x), res, false);
else
{
unsigned int regno = subreg_regno (x);
@ -253,7 +253,7 @@ mark_referenced_resources (rtx x, struct resources *res,
res->volatil |= MEM_VOLATILE_P (x);
/* Mark registers used to access memory. */
mark_referenced_resources (XEXP (x, 0), res, 0);
mark_referenced_resources (XEXP (x, 0), res, false);
return;
case CC0:
@ -276,14 +276,14 @@ mark_referenced_resources (rtx x, struct resources *res,
traditional asms unlike their normal usage. */
for (i = 0; i < ASM_OPERANDS_INPUT_LENGTH (x); i++)
mark_referenced_resources (ASM_OPERANDS_INPUT (x, i), res, 0);
mark_referenced_resources (ASM_OPERANDS_INPUT (x, i), res, false);
return;
case CALL:
/* The first operand will be a (MEM (xxx)) but doesn't really reference
memory. The second operand may be referenced, though. */
mark_referenced_resources (XEXP (XEXP (x, 0), 0), res, 0);
mark_referenced_resources (XEXP (x, 1), res, 0);
mark_referenced_resources (XEXP (XEXP (x, 0), 0), res, false);
mark_referenced_resources (XEXP (x, 1), res, false);
return;
case SET:
@ -291,16 +291,16 @@ mark_referenced_resources (rtx x, struct resources *res,
registers used to access memory are referenced. SET_DEST is
also referenced if it is a ZERO_EXTRACT. */
mark_referenced_resources (SET_SRC (x), res, 0);
mark_referenced_resources (SET_SRC (x), res, false);
x = SET_DEST (x);
if (GET_CODE (x) == ZERO_EXTRACT
|| GET_CODE (x) == STRICT_LOW_PART)
mark_referenced_resources (x, res, 0);
mark_referenced_resources (x, res, false);
else if (GET_CODE (x) == SUBREG)
x = SUBREG_REG (x);
if (MEM_P (x))
mark_referenced_resources (XEXP (x, 0), res, 0);
mark_referenced_resources (XEXP (x, 0), res, false);
return;
case CLOBBER:
@ -372,7 +372,7 @@ mark_referenced_resources (rtx x, struct resources *res,
}
if (i >= seq_size)
mark_referenced_resources (XEXP (XEXP (link, 0), 0),
res, 0);
res, false);
}
}
}
@ -519,7 +519,7 @@ find_dead_or_set_registers (rtx target, struct resources *res,
if (jump_count >= 10)
break;
mark_referenced_resources (insn, &needed, 1);
mark_referenced_resources (insn, &needed, true);
/* For an annulled branch, mark_set_resources ignores slots
filled by instructions from the target. This is correct
@ -585,7 +585,7 @@ find_dead_or_set_registers (rtx target, struct resources *res,
}
}
mark_referenced_resources (insn, &needed, 1);
mark_referenced_resources (insn, &needed, true);
mark_set_resources (insn, &set, 0, MARK_SRC_DEST_CALL);
COPY_HARD_REG_SET (scratch, set.regs);
@ -888,7 +888,7 @@ mark_target_live_regs (rtx insns, rtx target, struct resources *res)
else if (return_insn_p (target))
{
*res = end_of_function_needs;
mark_referenced_resources (target, res, 0);
mark_referenced_resources (target, res, false);
return;
}
@ -1101,7 +1101,7 @@ mark_target_live_regs (rtx insns, rtx target, struct resources *res)
/* Include JUMP_INSN in the needed registers. */
for (insn = target; insn != stop_insn; insn = next_active_insn (insn))
{
mark_referenced_resources (insn, &needed, 1);
mark_referenced_resources (insn, &needed, true);
COPY_HARD_REG_SET (scratch, needed.regs);
AND_COMPL_HARD_REG_SET (scratch, set.regs);
@ -1155,7 +1155,7 @@ init_resource_info (rtx epilogue_insn)
if (crtl->return_rtx != 0)
mark_referenced_resources (crtl->return_rtx,
&end_of_function_needs, 1);
&end_of_function_needs, true);
for (i = 0; i < FIRST_PSEUDO_REGISTER; i++)
if (global_regs[i]
@ -1274,7 +1274,7 @@ incr_ticks_for_insn (rtx insn)
/* Add TRIAL to the set of resources used at the end of the current
function. */
void
mark_end_of_function_resources (rtx trial, int include_delayed_effects)
mark_end_of_function_resources (rtx trial, bool include_delayed_effects)
{
mark_referenced_resources (trial, &end_of_function_needs,
include_delayed_effects);

7
gcc/resource.h
View File

@ -1,5 +1,6 @@
/* Definitions for computing resource usage of specific insns.
Copyright (C) 1999, 2003, 2004, 2006, 2007 Free Software Foundation, Inc.
Copyright (C) 1999, 2003, 2004, 2006, 2007, 2009
Free Software Foundation, Inc.
This file is part of GCC.
@ -48,10 +49,10 @@ enum mark_resource_type
extern void mark_target_live_regs (rtx, rtx, struct resources *);
extern void mark_set_resources (rtx, struct resources *, int,
enum mark_resource_type);
extern void mark_referenced_resources (rtx, struct resources *, int);
extern void mark_referenced_resources (rtx, struct resources *, bool);
extern void clear_hashed_info_for_insn (rtx);
extern void incr_ticks_for_insn (rtx);
extern void mark_end_of_function_resources (rtx, int);
extern void mark_end_of_function_resources (rtx, bool);
extern void init_resource_info (rtx);
extern void free_resource_info (void);