Also change some internal variables to bool and change return type of
split_all_insns_noflow to void.
gcc/ChangeLog:
* recog.h (check_asm_operands): Change return type from int to bool.
(insn_invalid_p): Ditto.
(verify_changes): Ditto.
(apply_change_group): Ditto.
(constrain_operands): Ditto.
(constrain_operands_cached): Ditto.
(validate_replace_rtx_subexp): Ditto.
(validate_replace_rtx): Ditto.
(validate_replace_rtx_part): Ditto.
(validate_replace_rtx_part_nosimplify): Ditto.
(added_clobbers_hard_reg_p): Ditto.
(peep2_regno_dead_p): Ditto.
(peep2_reg_dead_p): Ditto.
(store_data_bypass_p): Ditto.
(if_test_bypass_p): Ditto.
* rtl.h (split_all_insns_noflow): Change
return type from unsigned int to void.
* genemit.cc (output_added_clobbers_hard_reg_p): Change return type
of generated added_clobbers_hard_reg_p from int to bool and adjust
function body accordingly. Change "used" variable type from
int to bool.
* recog.cc (check_asm_operands): Change return type
from int to bool and adjust function body accordingly.
(insn_invalid_p): Ditto. Change "is_asm" variable to bool.
(verify_changes): Change return type from int to bool.
(apply_change_group): Change return type from int to bool
and adjust function body accordingly.
(validate_replace_rtx_subexp): Change return type from int to bool.
(validate_replace_rtx): Ditto.
(validate_replace_rtx_part): Ditto.
(validate_replace_rtx_part_nosimplify): Ditto.
(constrain_operands_cached): Ditto.
(constrain_operands): Ditto. Change "lose" and "win"
variables type from int to bool.
(split_all_insns_noflow): Change return type from unsigned int
to void and adjust function body accordingly.
(peep2_regno_dead_p): Change return type from int to bool.
(peep2_reg_dead_p): Ditto.
(peep2_find_free_register): Change "success"
variable type from int to bool
(store_data_bypass_p_1): Change return type from int to bool.
(store_data_bypass_p): Ditto.
Bootstrapped and regression tested on x86_64-linux-gnu {,-m32}.
Uros.
diff --git a/gcc/genemit.cc b/gcc/genemit.cc
index 33c9ec05d6f..1ce0564076d 100644
--- a/gcc/genemit.cc
+++ b/gcc/genemit.cc
@@ -688,26 +688,27 @@ output_added_clobbers_hard_reg_p (void)
{
struct clobber_pat *clobber;
struct clobber_ent *ent;
- int clobber_p, used;
+ int clobber_p;
+ bool used;
- printf ("\n\nint\nadded_clobbers_hard_reg_p (int insn_code_number)\n");
+ printf ("\n\nbool\nadded_clobbers_hard_reg_p (int insn_code_number)\n");
printf ("{\n");
printf (" switch (insn_code_number)\n");
printf (" {\n");
for (clobber_p = 0; clobber_p <= 1; clobber_p++)
{
- used = 0;
+ used = false;
for (clobber = clobber_list; clobber; clobber = clobber->next)
if (clobber->has_hard_reg == clobber_p)
for (ent = clobber->insns; ent; ent = ent->next)
{
printf (" case %d:\n", ent->code_number);
- used++;
+ used = true;
}
if (used)
- printf (" return %d;\n\n", clobber_p);
+ printf (" return %s;\n\n", clobber_p ? "true" : "false");
}
printf (" default:\n");
diff --git a/gcc/recog.cc b/gcc/recog.cc
index fd09145d45e..37432087812 100644
--- a/gcc/recog.cc
+++ b/gcc/recog.cc
@@ -133,7 +133,7 @@ asm_labels_ok (rtx body)
/* Check that X is an insn-body for an `asm' with operands
and that the operands mentioned in it are legitimate. */
-int
+bool
check_asm_operands (rtx x)
{
int noperands;
@@ -142,7 +142,7 @@ check_asm_operands (rtx x)
int i;
if (!asm_labels_ok (x))
- return 0;
+ return false;
/* Post-reload, be more strict with things. */
if (reload_completed)
@@ -156,9 +156,9 @@ check_asm_operands (rtx x)
noperands = asm_noperands (x);
if (noperands < 0)
- return 0;
+ return false;
if (noperands == 0)
- return 1;
+ return true;
operands = XALLOCAVEC (rtx, noperands);
constraints = XALLOCAVEC (const char *, noperands);
@@ -171,10 +171,10 @@ check_asm_operands (rtx x)
if (c[0] == '%')
c++;
if (! asm_operand_ok (operands[i], c, constraints))
- return 0;
+ return false;
}
- return 1;
+ return true;
}
/* Static data for the next two routines. */
@@ -212,8 +212,8 @@ static int temporarily_undone_changes = 0;
If IN_GROUP is zero, this is a single change. Try to recognize the insn
or validate the memory reference with the change applied. If the result
- is not valid for the machine, suppress the change and return zero.
- Otherwise, perform the change and return 1. */
+ is not valid for the machine, suppress the change and return false.
+ Otherwise, perform the change and return true. */
static bool
validate_change_1 (rtx object, rtx *loc, rtx new_rtx, bool in_group,
@@ -232,7 +232,7 @@ validate_change_1 (rtx object, rtx *loc, rtx new_rtx, bool
in_group,
if ((old == new_rtx || rtx_equal_p (old, new_rtx))
&& (new_len < 0 || XVECLEN (new_rtx, 0) == new_len))
- return 1;
+ return true;
gcc_assert ((in_group != 0 || num_changes == 0)
&& (new_len < 0 || new_rtx == *loc));
@@ -275,7 +275,7 @@ validate_change_1 (rtx object, rtx *loc, rtx new_rtx, bool
in_group,
change group we made. */
if (in_group)
- return 1;
+ return true;
else
return apply_change_group ();
}
@@ -348,7 +348,7 @@ check_invalid_inc_dec (rtx reg, const_rtx, void *data)
match the instructions will be added to the current change group.
Otherwise the changes will take effect immediately. */
-int
+bool
insn_invalid_p (rtx_insn *insn, bool in_group)
{
rtx pat = PATTERN (insn);
@@ -360,14 +360,14 @@ insn_invalid_p (rtx_insn *insn, bool in_group)
&& ! reload_completed
&& ! reload_in_progress)
? &num_clobbers : 0);
- int is_asm = icode < 0 && asm_noperands (PATTERN (insn)) >= 0;
+ bool is_asm = icode < 0 && asm_noperands (PATTERN (insn)) >= 0;
/* If this is an asm and the operand aren't legal, then fail. Likewise if
this is not an asm and the insn wasn't recognized. */
if ((is_asm && ! check_asm_operands (PATTERN (insn)))
|| (!is_asm && icode < 0))
- return 1;
+ return true;
/* If we have to add CLOBBERs, fail if we have to add ones that reference
hard registers since our callers can't know if they are live or not.
@@ -377,7 +377,7 @@ insn_invalid_p (rtx_insn *insn, bool in_group)
rtx newpat;
if (added_clobbers_hard_reg_p (icode))
- return 1;
+ return true;
newpat = gen_rtx_PARALLEL (VOIDmode, rtvec_alloc (num_clobbers + 1));
XVECEXP (newpat, 0, 0) = pat;
@@ -394,7 +394,7 @@ insn_invalid_p (rtx_insn *insn, bool in_group)
extract_insn (insn);
if (! constrain_operands (1, get_preferred_alternatives (insn)))
- return 1;
+ return true;
}
/* Punt if REG_INC argument overlaps some stored REG. */
@@ -405,11 +405,11 @@ insn_invalid_p (rtx_insn *insn, bool in_group)
rtx reg = XEXP (link, 0);
note_stores (insn, check_invalid_inc_dec, ®);
if (reg == NULL_RTX)
- return 1;
+ return true;
}
INSN_CODE (insn) = icode;
- return 0;
+ return false;
}
/* Return number of changes made and not validated yet. */
@@ -420,9 +420,9 @@ num_changes_pending (void)
}
/* Tentatively apply the changes numbered NUM and up.
- Return 1 if all changes are valid, zero otherwise. */
+ Return true if all changes are valid, false otherwise. */
-int
+bool
verify_changes (int num)
{
int i;
@@ -554,21 +554,21 @@ confirm_change_group (void)
}
/* Apply a group of changes previously issued with `validate_change'.
- If all changes are valid, call confirm_change_group and return 1,
- otherwise, call cancel_changes and return 0. */
+ If all changes are valid, call confirm_change_group and return true,
+ otherwise, call cancel_changes and return false. */
-int
+bool
apply_change_group (void)
{
if (verify_changes (0))
{
confirm_change_group ();
- return 1;
+ return true;
}
else
{
cancel_changes (0);
- return 0;
+ return false;
}
}
@@ -894,7 +894,7 @@ validate_replace_rtx_1 (rtx *loc, rtx from, rtx to,
rtx_insn *object,
with TO. After all changes have been made, validate by seeing
if INSN is still valid. */
-int
+bool
validate_replace_rtx_subexp (rtx from, rtx to, rtx_insn *insn, rtx *loc)
{
validate_replace_rtx_1 (loc, from, to, insn, true);
@@ -904,7 +904,7 @@ validate_replace_rtx_subexp (rtx from, rtx to, rtx_insn
*insn, rtx *loc)
/* Try replacing every occurrence of FROM in INSN with TO. After all
changes have been made, validate by seeing if INSN is still valid. */
-int
+bool
validate_replace_rtx (rtx from, rtx to, rtx_insn *insn)
{
validate_replace_rtx_1 (&PATTERN (insn), from, to, insn, true);
@@ -917,7 +917,7 @@ validate_replace_rtx (rtx from, rtx to, rtx_insn *insn)
validate_replace_rtx (from, to, insn) is equivalent to
validate_replace_rtx_part (from, to, &PATTERN (insn), insn). */
-int
+bool
validate_replace_rtx_part (rtx from, rtx to, rtx *where, rtx_insn *insn)
{
validate_replace_rtx_1 (where, from, to, insn, true);
@@ -925,7 +925,7 @@ validate_replace_rtx_part (rtx from, rtx to, rtx *where,
rtx_insn *insn)
}
/* Same as above, but do not simplify rtx afterwards. */
-int
+bool
validate_replace_rtx_part_nosimplify (rtx from, rtx to, rtx *where,
rtx_insn *insn)
{
@@ -953,7 +953,7 @@ struct validate_replace_src_data
{
rtx from; /* Old RTX */
rtx to; /* New RTX */
- rtx_insn *insn; /* Insn in which substitution is
occurring. */
+ rtx_insn *insn; /* Insn in which substitution is occurring. */
};
static void
@@ -2705,13 +2705,13 @@ extract_constrain_insn_cached (rtx_insn *insn)
}
/* Do cached constrain_operands on INSN and complain about failures. */
-int
+bool
constrain_operands_cached (rtx_insn *insn, int strict)
{
if (which_alternative == -1)
return constrain_operands (strict, get_enabled_alternatives (insn));
else
- return 1;
+ return true;
}
/* Analyze INSN and fill in recog_data. */
@@ -3029,7 +3029,7 @@ struct funny_match
int this_op, other;
};
-int
+bool
constrain_operands (int strict, alternative_mask alternatives)
{
const char *constraints[MAX_RECOG_OPERANDS];
@@ -3042,7 +3042,7 @@ constrain_operands (int strict, alternative_mask
alternatives)
which_alternative = 0;
if (recog_data.n_operands == 0 || recog_data.n_alternatives == 0)
- return 1;
+ return true;
for (c = 0; c < recog_data.n_operands; c++)
constraints[c] = recog_data.constraints[c];
@@ -3051,7 +3051,7 @@ constrain_operands (int strict, alternative_mask
alternatives)
{
int seen_earlyclobber_at = -1;
int opno;
- int lose = 0;
+ bool lose = false;
funny_match_index = 0;
if (!TEST_BIT (alternatives, which_alternative))
@@ -3074,7 +3074,7 @@ constrain_operands (int strict, alternative_mask
alternatives)
machine_mode mode = GET_MODE (op);
const char *p = constraints[opno];
int offset = 0;
- int win = 0;
+ bool win = false;
int val;
int len;
@@ -3101,7 +3101,7 @@ constrain_operands (int strict, alternative_mask
alternatives)
/* An empty constraint or empty alternative
allows anything which matched the pattern. */
if (*p == 0 || *p == ',')
- win = 1;
+ win = true;
do
switch (c = *p, len = CONSTRAINT_LEN (c, p), c)
@@ -3167,7 +3167,7 @@ constrain_operands (int strict, alternative_mask
alternatives)
matching_operands[match] = opno;
if (val != 0)
- win = 1;
+ win = true;
/* If output is *x and input is *--x, arrange later
to change the output to *--x as well, since the
@@ -3192,7 +3192,7 @@ constrain_operands (int strict, alternative_mask
alternatives)
&& (strict <= 0
|| (strict_memory_address_p
(recog_data.operand_mode[opno], op))))
- win = 1;
+ win = true;
break;
/* No need to check general_operand again;
@@ -3209,10 +3209,10 @@ constrain_operands (int strict, alternative_mask
alternatives)
|| (reload_in_progress
&& REGNO (op) >= FIRST_PSEUDO_REGISTER)
|| reg_fits_class_p (op, GENERAL_REGS, offset, mode))
- win = 1;
+ win = true;
}
else if (strict < 0 || general_operand (op, mode))
- win = 1;
+ win = true;
break;
default:
@@ -3228,11 +3228,11 @@ constrain_operands (int strict, alternative_mask
alternatives)
|| (strict == 0 && GET_CODE (op) == SCRATCH)
|| (REG_P (op)
&& reg_fits_class_p (op, cl, offset, mode)))
- win = 1;
+ win = true;
}
else if (constraint_satisfied_p (op, cn))
- win = 1;
+ win = true;
else if ((insn_extra_memory_constraint (cn)
|| insn_extra_relaxed_memory_constraint (cn))
@@ -3247,11 +3247,11 @@ constrain_operands (int strict, alternative_mask
alternatives)
/* During reload, accept a pseudo */
|| (reload_in_progress && REG_P (op)
&& REGNO (op) >= FIRST_PSEUDO_REGISTER)))
- win = 1;
+ win = true;
else if (insn_extra_address_constraint (cn)
/* Every address operand can be reloaded to fit. */
&& strict < 0)
- win = 1;
+ win = true;
/* Cater to architectures like IA-64 that define extra memory
constraints without using define_memory_constraint. */
else if (reload_in_progress
@@ -3261,7 +3261,7 @@ constrain_operands (int strict, alternative_mask
alternatives)
&& reg_equiv_mem (REGNO (op)) != 0
&& constraint_satisfied_p
(reg_equiv_mem (REGNO (op)), cn))
- win = 1;
+ win = true;
break;
}
}
@@ -3271,7 +3271,7 @@ constrain_operands (int strict, alternative_mask
alternatives)
/* If this operand did not win somehow,
this alternative loses. */
if (! win)
- lose = 1;
+ lose = true;
}
/* This alternative won; the operands are ok.
Change whichever operands this alternative says to change. */
@@ -3302,7 +3302,7 @@ constrain_operands (int strict, alternative_mask
alternatives)
recog_data.operand[eopno]))
&& ! safe_from_earlyclobber (recog_data.operand[opno],
recog_data.operand[eopno]))
- lose = 1;
+ lose = true;
if (! lose)
{
@@ -3328,14 +3328,14 @@ constrain_operands (int strict, alternative_mask
alternatives)
if (strchr (recog_data.constraints[opno], '<') == NULL
&& strchr (recog_data.constraints[opno], '>')
== NULL)
- return 0;
+ return false;
break;
default:
break;
}
}
- return 1;
+ return true;
}
}
@@ -3349,7 +3349,7 @@ constrain_operands (int strict, alternative_mask
alternatives)
if (strict == 0)
return constrain_operands (-1, alternatives);
else
- return 0;
+ return false;
}
/* Return true iff OPERAND (assumed to be a REG rtx)
@@ -3517,7 +3517,7 @@ split_all_insns (void)
/* Same as split_all_insns, but do not expect CFG to be available.
Used by machine dependent reorg passes. */
-unsigned int
+void
split_all_insns_noflow (void)
{
rtx_insn *next, *insn;
@@ -3547,7 +3547,6 @@ split_all_insns_noflow (void)
split_insn (insn);
}
}
- return 0;
}
struct peep2_insn_data
@@ -3596,7 +3595,7 @@ peep2_next_insn (int n)
/* Return true if REGNO is dead before the Nth non-note insn
after `current'. */
-int
+bool
peep2_regno_dead_p (int ofs, int regno)
{
gcc_assert (ofs < MAX_INSNS_PER_PEEP2 + 1);
@@ -3610,7 +3609,7 @@ peep2_regno_dead_p (int ofs, int regno)
/* Similarly for a REG. */
-int
+bool
peep2_reg_dead_p (int ofs, rtx reg)
{
gcc_assert (ofs < MAX_INSNS_PER_PEEP2 + 1);
@@ -3622,8 +3621,8 @@ peep2_reg_dead_p (int ofs, rtx reg)
unsigned int end_regno = END_REGNO (reg);
for (unsigned int regno = REGNO (reg); regno < end_regno; ++regno)
if (REGNO_REG_SET_P (peep2_insn_data[ofs].live_before, regno))
- return 0;
- return 1;
+ return false;
+ return true;
}
/* Regno offset to be used in the register search. */
@@ -3673,7 +3672,8 @@ peep2_find_free_register (int from, int to, const char
*class_str,
for (i = 0; i < FIRST_PSEUDO_REGISTER; i++)
{
- int raw_regno, regno, success, j;
+ int raw_regno, regno, j;
+ bool success;
/* Distribute the free registers as much as possible. */
raw_regno = search_ofs + i;
@@ -3689,38 +3689,38 @@ peep2_find_free_register (int from, int to, const char
*class_str,
if (!targetm.hard_regno_mode_ok (regno, mode))
continue;
- success = 1;
+ success = true;
for (j = 0; success && j < hard_regno_nregs (regno, mode); j++)
{
/* Don't allocate fixed registers. */
if (fixed_regs[regno + j])
{
- success = 0;
+ success = false;
break;
}
/* Don't allocate global registers. */
if (global_regs[regno + j])
{
- success = 0;
+ success = false;
break;
}
/* Make sure the register is of the right class. */
if (! TEST_HARD_REG_BIT (reg_class_contents[cl], regno + j))
{
- success = 0;
+ success = false;
break;
}
/* And that we don't create an extra save/restore. */
if (! crtl->abi->clobbers_full_reg_p (regno + j)
&& ! df_regs_ever_live_p (regno + j))
{
- success = 0;
+ success = false;
break;
}
if (! targetm.hard_regno_scratch_ok (regno + j))
{
- success = 0;
+ success = false;
break;
}
@@ -3729,14 +3729,14 @@ peep2_find_free_register (int from, int to, const char
*class_str,
|| regno + j == HARD_FRAME_POINTER_REGNUM)
&& (! reload_completed || frame_pointer_needed))
{
- success = 0;
+ success = false;
break;
}
if (TEST_HARD_REG_BIT (*reg_set, regno + j)
|| TEST_HARD_REG_BIT (live, regno + j))
{
- success = 0;
+ success = false;
break;
}
}
@@ -4244,7 +4244,7 @@ store_data_bypass_p_1 (rtx_insn *out_insn, rtx in_set)
data not the address operand(s) of the store. IN_INSN and OUT_INSN
must be either a single_set or a PARALLEL with SETs inside. */
-int
+bool
store_data_bypass_p (rtx_insn *out_insn, rtx_insn *in_insn)
{
rtx in_set = single_set (in_insn);
@@ -4276,7 +4276,7 @@ store_data_bypass_p (rtx_insn *out_insn, rtx_insn
*in_insn)
or multiple set; IN_INSN should be single_set for truth, but for convenience
of insn categorization may be any JUMP or CALL insn. */
-int
+bool
if_test_bypass_p (rtx_insn *out_insn, rtx_insn *in_insn)
{
rtx out_set, in_set;
@@ -4618,7 +4618,8 @@ public:
unsigned int execute (function *) final override
{
- return split_all_insns_noflow ();
+ split_all_insns_noflow ();
+ return 0;
}
}; // class pass_split_for_shorten_branches
diff --git a/gcc/recog.h b/gcc/recog.h
index 539a27c3edf..badf8e3dc1c 100644
--- a/gcc/recog.h
+++ b/gcc/recog.h
@@ -184,22 +184,22 @@ inline insn_propagation::insn_propagation (rtx_insn *insn)
extern void init_recog (void);
extern void init_recog_no_volatile (void);
-extern int check_asm_operands (rtx);
+extern bool check_asm_operands (rtx);
extern int asm_operand_ok (rtx, const char *, const char **);
extern bool validate_change (rtx, rtx *, rtx, bool);
extern bool validate_unshare_change (rtx, rtx *, rtx, bool);
extern bool validate_change_xveclen (rtx, rtx *, int, bool);
extern bool canonicalize_change_group (rtx_insn *insn, rtx x);
-extern int insn_invalid_p (rtx_insn *, bool);
-extern int verify_changes (int);
+extern bool insn_invalid_p (rtx_insn *, bool);
+extern bool verify_changes (int);
extern void confirm_change_group (void);
-extern int apply_change_group (void);
+extern bool apply_change_group (void);
extern int num_validated_changes (void);
extern void cancel_changes (int);
extern void temporarily_undo_changes (int);
extern void redo_changes (int);
-extern int constrain_operands (int, alternative_mask);
-extern int constrain_operands_cached (rtx_insn *, int);
+extern bool constrain_operands (int, alternative_mask);
+extern bool constrain_operands_cached (rtx_insn *, int);
extern bool memory_address_addr_space_p (machine_mode, rtx, addr_space_t);
#define memory_address_p(mode,addr) \
memory_address_addr_space_p ((mode), (addr), ADDR_SPACE_GENERIC)
@@ -207,10 +207,10 @@ extern bool strict_memory_address_addr_space_p
(machine_mode, rtx,
addr_space_t);
#define strict_memory_address_p(mode,addr) \
strict_memory_address_addr_space_p ((mode), (addr), ADDR_SPACE_GENERIC)
-extern int validate_replace_rtx_subexp (rtx, rtx, rtx_insn *, rtx *);
-extern int validate_replace_rtx (rtx, rtx, rtx_insn *);
-extern int validate_replace_rtx_part (rtx, rtx, rtx *, rtx_insn *);
-extern int validate_replace_rtx_part_nosimplify (rtx, rtx, rtx *, rtx_insn *);
+extern bool validate_replace_rtx_subexp (rtx, rtx, rtx_insn *, rtx *);
+extern bool validate_replace_rtx (rtx, rtx, rtx_insn *);
+extern bool validate_replace_rtx_part (rtx, rtx, rtx *, rtx_insn *);
+extern bool validate_replace_rtx_part_nosimplify (rtx, rtx, rtx *, rtx_insn *);
extern void validate_replace_rtx_group (rtx, rtx, rtx_insn *);
extern void validate_replace_src_group (rtx, rtx, rtx_insn *);
extern bool validate_simplify_insn (rtx_insn *insn);
@@ -232,7 +232,7 @@ extern int recog (rtx, rtx_insn *, int *);
inline int recog_memoized (rtx_insn *insn);
#endif
extern void add_clobbers (rtx, int);
-extern int added_clobbers_hard_reg_p (int);
+extern bool added_clobbers_hard_reg_p (int);
extern void insn_extract (rtx_insn *);
extern void extract_insn (rtx_insn *);
extern void extract_constrain_insn (rtx_insn *insn);
@@ -243,16 +243,16 @@ extern void preprocess_constraints (int, int, const char
**,
extern const operand_alternative *preprocess_insn_constraints (unsigned int);
extern void preprocess_constraints (rtx_insn *);
extern rtx_insn *peep2_next_insn (int);
-extern int peep2_regno_dead_p (int, int);
-extern int peep2_reg_dead_p (int, rtx);
+extern bool peep2_regno_dead_p (int, int);
+extern bool peep2_reg_dead_p (int, rtx);
#ifdef HARD_CONST
extern rtx peep2_find_free_register (int, int, const char *,
machine_mode, HARD_REG_SET *);
#endif
extern rtx_insn *peephole2_insns (rtx, rtx_insn *, int *);
-extern int store_data_bypass_p (rtx_insn *, rtx_insn *);
-extern int if_test_bypass_p (rtx_insn *, rtx_insn *);
+extern bool store_data_bypass_p (rtx_insn *, rtx_insn *);
+extern bool if_test_bypass_p (rtx_insn *, rtx_insn *);
extern void copy_frame_info_to_split_insn (rtx_insn *, rtx_insn *);
diff --git a/gcc/rtl.h b/gcc/rtl.h
index f66744b18e3..9c6803f043e 100644
--- a/gcc/rtl.h
+++ b/gcc/rtl.h
@@ -3795,7 +3795,7 @@ extern void setup_reg_classes (int, enum reg_class, enum
reg_class,
enum reg_class);
extern void split_all_insns (void);
-extern unsigned int split_all_insns_noflow (void);
+extern void split_all_insns_noflow (void);
#define MAX_SAVED_CONST_INT 64
extern GTY(()) rtx const_int_rtx[MAX_SAVED_CONST_INT * 2 + 1];
