gcc/gcc ChangeLog gcse.c

[rguenth@gcc.gnu.org]

CVSROOT:	/cvs/gcc
Module name:	gcc
Changes by:	rguenth@gcc.gnu.org	2005-09-26 08:38:32

Modified files:
	gcc            : ChangeLog gcse.c 

Log message:
	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.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&r1=2.10020&r2=2.10021
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/gcse.c.diff?cvsroot=gcc&r1=1.348&r2=1.349