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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
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