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basic-block.h (PROP_POSTRELOAD): New macro.

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* basic-block.h (PROP_POSTRELOAD): New macro.
	(CLEANUP_LOG_LINKS): New.
	* cfgcleanup.c (cleanup_cfg): Only PROP_LOG_LINKS when asked to.
	* toplev.c (rest_of_handle_life):  Preserve LOG_LINKS trought cleanup_cfg.

	* cselib.c (value_pool): New.
	(new_cselib_val): Use pool.
	(cselib_init): Initialize value_pool
	(cselib_finish): Free pool.

From-SVN: r76405
This commit is contained in:
Jan Hubicka 2004-01-23 12:02:09 +01:00 committed by Jan Hubicka
parent b291953f9d
commit 23bd7a9342
5 changed files with 31 additions and 4 deletions
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12
gcc/ChangeLog
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@ -1,3 +1,15 @@
2004-01-23 Jan Hubicka <jh@suse.cz>
* basic-block.h (PROP_POSTRELOAD): New macro.
(CLEANUP_LOG_LINKS): New.
* cfgcleanup.c (cleanup_cfg): Only PROP_LOG_LINKS when asked to.
* toplev.c (rest_of_handle_life): Preserve LOG_LINKS trought cleanup_cfg.
* cselib.c (value_pool): New.
(new_cselib_val): Use pool.
(cselib_init): Initialize value_pool
(cselib_finish): Free pool.
2004-01-23 Eric Botcazou <ebotcazou@libertysurf.fr>
* config/sparc/sparc.c (scan_record_type): New function.

5
gcc/basic-block.h
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@ -480,6 +480,10 @@ enum update_life_extent
| PROP_SCAN_DEAD_CODE | PROP_AUTOINC \
| PROP_ALLOW_CFG_CHANGES \
| PROP_SCAN_DEAD_STORES)
#define PROP_POSTRELOAD (PROP_DEATH_NOTES \
| PROP_KILL_DEAD_CODE \
| PROP_SCAN_DEAD_CODE | PROP_AUTOINC \
| PROP_SCAN_DEAD_STORES)
#define CLEANUP_EXPENSIVE 1 /* Do relatively expensive optimizations
except for edge forwarding */
@ -495,6 +499,7 @@ enum update_life_extent
#define CLEANUP_NO_INSN_DEL 128 /* Do not try to delete trivially dead
insns. */
#define CLEANUP_CFGLAYOUT 256 /* Do cleanup in cfglayout mode. */
#define CLEANUP_LOG_LINKS 512 /* Update log links. */
extern void life_analysis (rtx, FILE *, int);
extern int update_life_info (sbitmap, enum update_life_extent, int);
extern int update_life_info_in_dirty_blocks (enum update_life_extent, int);

3
gcc/cfgcleanup.c
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@ -1916,7 +1916,8 @@ cleanup_cfg (int mode)
PROP_DEATH_NOTES
| PROP_SCAN_DEAD_CODE
| PROP_KILL_DEAD_CODE
| PROP_LOG_LINKS))
| ((mode & CLEANUP_LOG_LINKS)
? PROP_LOG_LINKS : 0)))
break;
}
else if (!(mode & (CLEANUP_NO_INSN_DEL | CLEANUP_PRE_SIBCALL))

12
gcc/cselib.c
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@ -130,7 +130,7 @@ static cselib_val dummy_val;
May or may not contain the useless values - the list is compacted
each time memory is invalidated. */
static cselib_val *first_containing_mem = &dummy_val;
static alloc_pool elt_loc_list_pool, elt_list_pool, cselib_val_pool;
static alloc_pool elt_loc_list_pool, elt_list_pool, cselib_val_pool, value_pool;
/* Allocate a struct elt_list and fill in its two elements with the
@ -694,7 +694,12 @@ new_cselib_val (unsigned int value, enum machine_mode mode)
#endif
e->value = value;
e->u.val_rtx = gen_rtx_VALUE (mode);
/* We use custom method to allocate this RTL construct because it accounts
about 8% of overall memory usage. */
e->u.val_rtx = pool_alloc (value_pool);
memset (e->u.val_rtx, 0, RTX_HDR_SIZE);
PUT_CODE (e->u.val_rtx, VALUE);
PUT_MODE (e->u.val_rtx, mode);
CSELIB_VAL_PTR (e->u.val_rtx) = e;
e->addr_list = 0;
e->locs = 0;
@ -1392,6 +1397,8 @@ cselib_init (void)
sizeof (struct elt_loc_list), 10);
cselib_val_pool = create_alloc_pool ("cselib_val_list",
sizeof (cselib_val), 10);
value_pool = create_alloc_pool ("value",
RTX_SIZE (VALUE), 100);
/* This is only created once. */
if (! callmem)
callmem = gen_rtx_MEM (BLKmode, const0_rtx);
@ -1420,6 +1427,7 @@ cselib_finish (void)
free_alloc_pool (elt_list_pool);
free_alloc_pool (elt_loc_list_pool);
free_alloc_pool (cselib_val_pool);
free_alloc_pool (value_pool);
clear_table ();
reg_values_old = reg_values;
reg_values = 0;

3
gcc/toplev.c
View File

@ -2812,6 +2812,7 @@ rest_of_handle_life (tree decl, rtx insns)
life_analysis (insns, rtl_dump_file, PROP_FINAL);
if (optimize)
cleanup_cfg ((optimize ? CLEANUP_EXPENSIVE : 0) | CLEANUP_UPDATE_LIFE
| CLEANUP_LOG_LINKS
| (flag_thread_jumps ? CLEANUP_THREADING : 0));
timevar_pop (TV_FLOW);
@ -3456,7 +3457,7 @@ rest_of_compilation (tree decl)
if (optimize)
{
life_analysis (insns, rtl_dump_file, PROP_FINAL);
life_analysis (insns, rtl_dump_file, PROP_POSTRELOAD);
cleanup_cfg (CLEANUP_EXPENSIVE | CLEANUP_UPDATE_LIFE
| (flag_crossjumping ? CLEANUP_CROSSJUMP : 0));