2005-09-26 Richard Guenther <rguenther@suse.de>
PR middle-end/15855
* gcse.c: Include hashtab.h, define ldst entry hashtable.
(pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
(ldst_entry): Use the hashtable instead of list-walking.
(find_rtx_in_ldst): Likewise.
(free_ldst_entry): Free the hashtable.
(compute_ld_motion_mems): Create the hashtable.
(trim_ld_motion_mems): Remove entry from hashtable if
removing it from list.
(compute_store_table): Likewise^2.
(store_motion): Free hashtable in case we did not see
any stores.
From-SVN: r104641
