r126397 - in /trunk/gcc: ChangeLog rtlanal.c

[nemet@gcc.gnu.org]

Author: nemet
Date: Fri Jul  6 00:20:46 2007
New Revision: 126397

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=126397
Log:
	* rtlanal.c (num_sign_bit_copies1): Improve cases of ANDing or
	IORing with a constant.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/rtlanal.c