r142460 - in /branches/var-tracking-assignments...

[aoliva@gcc.gnu.org]

Author: aoliva
Date: Fri Dec  5 07:11:59 2008
New Revision: 142460

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=142460
Log:
* rtl-factoring.c (struct hash_bucket_def): Add linked list of
candidates.
(struct hash_elem_def): Add pointer to successor.
(collect_pattern_seqs): Iterate over linked lists.  Halve the
number of examined pairs.
(htab_eq_elem): Compare insn rather than hash.
(fill_hash_bucket): Maintain linked list.

Modified:
    branches/var-tracking-assignments-branch/gcc/ChangeLog.vta
    branches/var-tracking-assignments-branch/gcc/rtl-factoring.c