r198682 - in /trunk/gcc: ChangeLog gimple-ssa-s...

[wschmidt@gcc.gnu.org]

Author: wschmidt
Date: Tue May  7 14:11:21 2013
New Revision: 198682

URL: http://gcc.gnu.org/viewcvs?rev=198682&root=gcc&view=rev
Log:
2013-05-07  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	* gimple-ssa-strength-reduction.c (MAX_INCR_VEC_LEN): New constant.
	(incr_vec_index): Return -1 if increment not found.
	(create_add_on_incoming_edge): Assert if increment not found.
	(record_increment): Limit number of increments recorded.
	(all_phi_incrs_profitable): Return false if an increment not found.
	(replace_profitable_candidates): Don't process increments that were
	not recorded.
	(analyze_candidates_and_replace): Limit size of incr_vec.


Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/gimple-ssa-strength-reduction.c