gcc/gcc ChangeLog expmed.c

[kazu@gcc.gnu.org]

CVSROOT:	/cvs/gcc
Module name:	gcc
Changes by:	kazu@gcc.gnu.org	2005-09-21 16:32:13

Modified files:
	gcc            : ChangeLog expmed.c 

Log message:
	* expmed.c (alg_code): Add alg_impossible.
	(alg_hash_entry): Add cost.
	(synth_mult): Record alg_impossible in the hash table if
	multiplication by a given integer is impossble within the
	limit.  Speed up using alg_impossible.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&r1=2.9996&r2=2.9997
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/expmed.c.diff?cvsroot=gcc&r1=1.234&r2=1.235