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| author | Jan Hubicka <jh@suse.cz> | 2004-01-23 12:02:09 +0100 |
|---|---|---|
| committer | Jan Hubicka <hubicka@gcc.gnu.org> | 2004-01-23 11:02:09 +0000 |
| commit | 23bd7a9342bdb30b732cbb678a6d29c2245e8449 (patch) | |
| tree | 802fba0f5d8b9b39d10bd272582ae4909f3a1a5e /gcc/cselib.c | |
| parent | b291953f9d4b1c4f927cd20a7905d4f633fa3162 (diff) | |
| download | gcc-23bd7a9342bdb30b732cbb678a6d29c2245e8449.zip gcc-23bd7a9342bdb30b732cbb678a6d29c2245e8449.tar.gz gcc-23bd7a9342bdb30b732cbb678a6d29c2245e8449.tar.bz2 | |
basic-block.h (PROP_POSTRELOAD): New macro.
* 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
Diffstat (limited to 'gcc/cselib.c')
| -rw-r--r-- | gcc/cselib.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/gcc/cselib.c b/gcc/cselib.c index 87cc3f4..de13ebe 100644 --- a/gcc/cselib.c +++ b/gcc/cselib.c @@ -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; |