gcse.c: Use rtx_insn

gcc/
	* gcse.c (struct occr): Strengthen field "insn" from rtx to
	rtx_insn *.
	(test_insn): Likewise for this global.
	(oprs_unchanged_p): Strengthen param "insn" from const_rtx to
	const rtx_insn *.
	(oprs_anticipatable_p): Likewise.
	(oprs_available_p): Likewise.
	(insert_expr_in_table): Strengthen param "insn" from  rtx to
	rtx_insn *.
	(hash_scan_set): Likewise.
	(hash_scan_clobber): Likewise.
	(hash_scan_call): Likewise.
	(hash_scan_insn): Likewise.
	(compute_hash_table_work): Likewise for local "insn".
	(process_insert_insn): Likewise for return type and local "pat".
	(insert_insn_end_basic_block): Likewise for locals "new_insn",
	"pat", "pat_end", "maybe_cc0_setter".
	(pre_edge_insert): Likewise for local "insn".
	(pre_insert_copy_insn): Likewise for param "insn".
	(pre_insert_copies): Likewise for local "insn".
	(struct set_data): Likewise for field "insn".
	(single_set_gcse): Likewise for param "insn".
	(gcse_emit_move_after): Likewise.
	(pre_delete): Likewise for local "insn".
	(update_bb_reg_pressure): Likewise for param "from" and local
	"insn".
	(should_hoist_expr_to_dom): Likewise for param "from".
	(hoist_code): Likewise for local "insn".
	(get_pressure_class_and_nregs): Likewise for param "insn".
	(calculate_bb_reg_pressure): Likewise for local "insn".
	(compute_ld_motion_mems): Likewise.

From-SVN: r214331
This commit is contained in:
David Malcolm 2014-08-22 16:54:47 +00:00 committed by David Malcolm
parent ced9924c22
commit cf92a17833
2 changed files with 81 additions and 45 deletions

View File

@ -1,3 +1,37 @@
2014-08-22 David Malcolm <dmalcolm@redhat.com>
* gcse.c (struct occr): Strengthen field "insn" from rtx to
rtx_insn *.
(test_insn): Likewise for this global.
(oprs_unchanged_p): Strengthen param "insn" from const_rtx to
const rtx_insn *.
(oprs_anticipatable_p): Likewise.
(oprs_available_p): Likewise.
(insert_expr_in_table): Strengthen param "insn" from rtx to
rtx_insn *.
(hash_scan_set): Likewise.
(hash_scan_clobber): Likewise.
(hash_scan_call): Likewise.
(hash_scan_insn): Likewise.
(compute_hash_table_work): Likewise for local "insn".
(process_insert_insn): Likewise for return type and local "pat".
(insert_insn_end_basic_block): Likewise for locals "new_insn",
"pat", "pat_end", "maybe_cc0_setter".
(pre_edge_insert): Likewise for local "insn".
(pre_insert_copy_insn): Likewise for param "insn".
(pre_insert_copies): Likewise for local "insn".
(struct set_data): Likewise for field "insn".
(single_set_gcse): Likewise for param "insn".
(gcse_emit_move_after): Likewise.
(pre_delete): Likewise for local "insn".
(update_bb_reg_pressure): Likewise for param "from" and local
"insn".
(should_hoist_expr_to_dom): Likewise for param "from".
(hoist_code): Likewise for local "insn".
(get_pressure_class_and_nregs): Likewise for param "insn".
(calculate_bb_reg_pressure): Likewise for local "insn".
(compute_ld_motion_mems): Likewise.
2014-08-22 David Malcolm <dmalcolm@redhat.com>
* genpeep.c (main): Rename param back from "uncast_ins1" to

View File

@ -296,7 +296,7 @@ struct occr
/* Next occurrence of this expression. */
struct occr *next;
/* The insn that computes the expression. */
rtx insn;
rtx_insn *insn;
/* Nonzero if this [anticipatable] occurrence has been deleted. */
char deleted_p;
/* Nonzero if this [available] occurrence has been copied to
@ -462,16 +462,16 @@ static void *gcalloc (size_t, size_t) ATTRIBUTE_MALLOC;
static void *gcse_alloc (unsigned long);
static void alloc_gcse_mem (void);
static void free_gcse_mem (void);
static void hash_scan_insn (rtx, struct hash_table_d *);
static void hash_scan_set (rtx, rtx, struct hash_table_d *);
static void hash_scan_clobber (rtx, rtx, struct hash_table_d *);
static void hash_scan_call (rtx, rtx, struct hash_table_d *);
static void hash_scan_insn (rtx_insn *, struct hash_table_d *);
static void hash_scan_set (rtx, rtx_insn *, struct hash_table_d *);
static void hash_scan_clobber (rtx, rtx_insn *, struct hash_table_d *);
static void hash_scan_call (rtx, rtx_insn *, struct hash_table_d *);
static int want_to_gcse_p (rtx, int *);
static int oprs_unchanged_p (const_rtx, const_rtx, int);
static int oprs_anticipatable_p (const_rtx, const_rtx);
static int oprs_available_p (const_rtx, const_rtx);
static void insert_expr_in_table (rtx, enum machine_mode, rtx, int, int, int,
struct hash_table_d *);
static int oprs_unchanged_p (const_rtx, const rtx_insn *, int);
static int oprs_anticipatable_p (const_rtx, const rtx_insn *);
static int oprs_available_p (const_rtx, const rtx_insn *);
static void insert_expr_in_table (rtx, enum machine_mode, rtx_insn *, int, int,
int, struct hash_table_d *);
static unsigned int hash_expr (const_rtx, enum machine_mode, int *, int);
static void record_last_reg_set_info (rtx, int);
static void record_last_mem_set_info (rtx);
@ -493,7 +493,7 @@ static struct edge_list *compute_pre_data (void);
static int pre_expr_reaches_here_p (basic_block, struct expr *,
basic_block);
static void insert_insn_end_basic_block (struct expr *, basic_block);
static void pre_insert_copy_insn (struct expr *, rtx);
static void pre_insert_copy_insn (struct expr *, rtx_insn *);
static void pre_insert_copies (void);
static int pre_delete (void);
static int pre_gcse (struct edge_list *);
@ -505,12 +505,12 @@ static void compute_code_hoist_vbeinout (void);
static void compute_code_hoist_data (void);
static int should_hoist_expr_to_dom (basic_block, struct expr *, basic_block,
sbitmap, int, int *, enum reg_class,
int *, bitmap, rtx);
int *, bitmap, rtx_insn *);
static int hoist_code (void);
static enum reg_class get_regno_pressure_class (int regno, int *nregs);
static enum reg_class get_pressure_class_and_nregs (rtx insn, int *nregs);
static enum reg_class get_pressure_class_and_nregs (rtx_insn *insn, int *nregs);
static int one_code_hoisting_pass (void);
static rtx process_insert_insn (struct expr *);
static rtx_insn *process_insert_insn (struct expr *);
static int pre_edge_insert (struct edge_list *, struct expr **);
static int pre_expr_reaches_here_p_work (basic_block, struct expr *,
basic_block, char *);
@ -526,7 +526,7 @@ static void trim_ld_motion_mems (void);
static void update_ld_motion_stores (struct expr *);
static void clear_modify_mem_tables (void);
static void free_modify_mem_tables (void);
static rtx gcse_emit_move_after (rtx, rtx, rtx);
static rtx gcse_emit_move_after (rtx, rtx, rtx_insn *);
static bool is_too_expensive (const char *);
#define GNEW(T) ((T *) gmalloc (sizeof (T)))
@ -830,7 +830,7 @@ want_to_gcse_p (rtx x, int *max_distance_ptr)
/* Used internally by can_assign_to_reg_without_clobbers_p. */
static GTY(()) rtx test_insn;
static GTY(()) rtx_insn *test_insn;
/* Return true if we can assign X to a pseudo register such that the
resulting insn does not result in clobbering a hard register as a
@ -896,7 +896,7 @@ can_assign_to_reg_without_clobbers_p (rtx x)
or from INSN to the end of INSN's basic block (if AVAIL_P != 0). */
static int
oprs_unchanged_p (const_rtx x, const_rtx insn, int avail_p)
oprs_unchanged_p (const_rtx x, const rtx_insn *insn, int avail_p)
{
int i, j;
enum rtx_code code;
@ -1071,7 +1071,7 @@ load_killed_in_block_p (const_basic_block bb, int uid_limit, const_rtx x,
the start of INSN's basic block up to but not including INSN. */
static int
oprs_anticipatable_p (const_rtx x, const_rtx insn)
oprs_anticipatable_p (const_rtx x, const rtx_insn *insn)
{
return oprs_unchanged_p (x, insn, 0);
}
@ -1080,7 +1080,7 @@ oprs_anticipatable_p (const_rtx x, const_rtx insn)
INSN to the end of INSN's basic block. */
static int
oprs_available_p (const_rtx x, const_rtx insn)
oprs_available_p (const_rtx x, const rtx_insn *insn)
{
return oprs_unchanged_p (x, insn, 1);
}
@ -1126,7 +1126,8 @@ expr_equiv_p (const_rtx x, const_rtx y)
be moved. */
static void
insert_expr_in_table (rtx x, enum machine_mode mode, rtx insn, int antic_p,
insert_expr_in_table (rtx x, enum machine_mode mode, rtx_insn *insn,
int antic_p,
int avail_p, int max_distance, struct hash_table_d *table)
{
int found, do_not_record_p;
@ -1231,7 +1232,7 @@ insert_expr_in_table (rtx x, enum machine_mode mode, rtx insn, int antic_p,
/* Scan SET present in INSN and add an entry to the hash TABLE. */
static void
hash_scan_set (rtx set, rtx insn, struct hash_table_d *table)
hash_scan_set (rtx set, rtx_insn *insn, struct hash_table_d *table)
{
rtx src = SET_SRC (set);
rtx dest = SET_DEST (set);
@ -1350,14 +1351,14 @@ hash_scan_set (rtx set, rtx insn, struct hash_table_d *table)
}
static void
hash_scan_clobber (rtx x ATTRIBUTE_UNUSED, rtx insn ATTRIBUTE_UNUSED,
hash_scan_clobber (rtx x ATTRIBUTE_UNUSED, rtx_insn *insn ATTRIBUTE_UNUSED,
struct hash_table_d *table ATTRIBUTE_UNUSED)
{
/* Currently nothing to do. */
}
static void
hash_scan_call (rtx x ATTRIBUTE_UNUSED, rtx insn ATTRIBUTE_UNUSED,
hash_scan_call (rtx x ATTRIBUTE_UNUSED, rtx_insn *insn ATTRIBUTE_UNUSED,
struct hash_table_d *table ATTRIBUTE_UNUSED)
{
/* Currently nothing to do. */
@ -1366,7 +1367,7 @@ hash_scan_call (rtx x ATTRIBUTE_UNUSED, rtx insn ATTRIBUTE_UNUSED,
/* Process INSN and add hash table entries as appropriate. */
static void
hash_scan_insn (rtx insn, struct hash_table_d *table)
hash_scan_insn (rtx_insn *insn, struct hash_table_d *table)
{
rtx pat = PATTERN (insn);
int i;
@ -1566,7 +1567,7 @@ compute_hash_table_work (struct hash_table_d *table)
FOR_EACH_BB_FN (current_bb, cfun)
{
rtx insn;
rtx_insn *insn;
unsigned int regno;
/* First pass over the instructions records information used to
@ -2122,13 +2123,13 @@ pre_expr_reaches_here_p (basic_block occr_bb, struct expr *expr, basic_block bb)
/* Generate RTL to copy an EXPR to its `reaching_reg' and return it. */
static rtx
static rtx_insn *
process_insert_insn (struct expr *expr)
{
rtx reg = expr->reaching_reg;
/* Copy the expression to make sure we don't have any sharing issues. */
rtx exp = copy_rtx (expr->expr);
rtx pat;
rtx_insn *pat;
start_sequence ();
@ -2161,10 +2162,10 @@ static void
insert_insn_end_basic_block (struct expr *expr, basic_block bb)
{
rtx insn = BB_END (bb);
rtx new_insn;
rtx_insn *new_insn;
rtx reg = expr->reaching_reg;
int regno = REGNO (reg);
rtx pat, pat_end;
rtx_insn *pat, *pat_end;
pat = process_insert_insn (expr);
gcc_assert (pat && INSN_P (pat));
@ -2190,7 +2191,7 @@ insert_insn_end_basic_block (struct expr *expr, basic_block bb)
insn = XEXP (note, 0);
else
{
rtx maybe_cc0_setter = prev_nonnote_insn (insn);
rtx_insn *maybe_cc0_setter = prev_nonnote_insn (insn);
if (maybe_cc0_setter
&& INSN_P (maybe_cc0_setter)
&& sets_cc0_p (PATTERN (maybe_cc0_setter)))
@ -2298,7 +2299,7 @@ pre_edge_insert (struct edge_list *edge_list, struct expr **index_map)
reach the deleted occurrence in BB. */
if (!bitmap_bit_p (inserted[e], j))
{
rtx insn;
rtx_insn *insn;
edge eg = INDEX_EDGE (edge_list, e);
/* We can't insert anything on an abnormal and
@ -2355,7 +2356,7 @@ pre_edge_insert (struct edge_list *edge_list, struct expr **index_map)
MEM <- reaching_reg. */
static void
pre_insert_copy_insn (struct expr *expr, rtx insn)
pre_insert_copy_insn (struct expr *expr, rtx_insn *insn)
{
rtx reg = expr->reaching_reg;
int regno = REGNO (reg);
@ -2478,7 +2479,7 @@ pre_insert_copies (void)
for (avail = expr->avail_occr; avail != NULL; avail = avail->next)
{
rtx insn = avail->insn;
rtx_insn *insn = avail->insn;
/* No need to handle this one if handled already. */
if (avail->copied_p)
@ -2509,7 +2510,7 @@ pre_insert_copies (void)
struct set_data
{
rtx insn;
rtx_insn *insn;
const_rtx set;
int nsets;
};
@ -2545,7 +2546,7 @@ record_set_data (rtx dest, const_rtx set, void *data)
}
static const_rtx
single_set_gcse (rtx insn)
single_set_gcse (rtx_insn *insn)
{
struct set_data s;
rtx pattern;
@ -2570,7 +2571,7 @@ single_set_gcse (rtx insn)
in INSN. */
static rtx
gcse_emit_move_after (rtx dest, rtx src, rtx insn)
gcse_emit_move_after (rtx dest, rtx src, rtx_insn *insn)
{
rtx new_rtx;
const_rtx set = single_set_gcse (insn);
@ -2625,7 +2626,7 @@ pre_delete (void)
/* We only need to search antic_occr since we require ANTLOC != 0. */
for (occr = expr->antic_occr; occr != NULL; occr = occr->next)
{
rtx insn = occr->insn;
rtx_insn *insn = occr->insn;
rtx set;
basic_block bb = BLOCK_FOR_INSN (insn);
@ -2957,9 +2958,10 @@ compute_code_hoist_data (void)
NOTE: Register pressure won't be increased in this function. */
static int
update_bb_reg_pressure (basic_block bb, rtx from)
update_bb_reg_pressure (basic_block bb, rtx_insn *from)
{
rtx dreg, insn;
rtx dreg;
rtx_insn *insn;
basic_block succ_bb;
df_ref use, op_ref;
edge succ;
@ -3043,7 +3045,7 @@ static int
should_hoist_expr_to_dom (basic_block expr_bb, struct expr *expr,
basic_block bb, sbitmap visited, int distance,
int *bb_size, enum reg_class pressure_class,
int *nregs, bitmap hoisted_bbs, rtx from)
int *nregs, bitmap hoisted_bbs, rtx_insn *from)
{
unsigned int i;
edge pred;
@ -3239,7 +3241,7 @@ hoist_code (void)
FOR_EACH_BB_FN (bb, cfun)
{
rtx insn;
rtx_insn *insn;
int to_head;
to_head = 0;
@ -3433,7 +3435,7 @@ hoist_code (void)
to hoist to BB and make the transformations. */
FOR_EACH_VEC_ELT (occrs_to_hoist, j, occr)
{
rtx insn;
rtx_insn *insn;
const_rtx set;
gcc_assert (!occr->deleted_p);
@ -3516,7 +3518,7 @@ get_regno_pressure_class (int regno, int *nregs)
/* Return pressure class and number of hard registers (through *NREGS)
for destination of INSN. */
static enum reg_class
get_pressure_class_and_nregs (rtx insn, int *nregs)
get_pressure_class_and_nregs (rtx_insn *insn, int *nregs)
{
rtx reg;
enum reg_class pressure_class;
@ -3569,7 +3571,7 @@ calculate_bb_reg_pressure (void)
{
int i;
unsigned int j;
rtx insn;
rtx_insn *insn;
basic_block bb;
bitmap curr_regs_live;
bitmap_iterator bi;
@ -3948,7 +3950,7 @@ compute_ld_motion_mems (void)
{
struct ls_expr * ptr;
basic_block bb;
rtx insn;
rtx_insn *insn;
pre_ldst_mems = NULL;
pre_ldst_table = new hash_table<pre_ldst_expr_hasher> (13);