* rtlanal.c (num_sign_bit_copies1): Improve cases of ANDing or
commitc07054e9cb2002971dbefcf713d5dd3ee131bfc4
authornemet <nemet@138bc75d-0d04-0410-961f-82ee72b054a4>
Fri, 6 Jul 2007 00:20:46 +0000 (6 00:20 +0000)
committernemet <nemet@138bc75d-0d04-0410-961f-82ee72b054a4>
Fri, 6 Jul 2007 00:20:46 +0000 (6 00:20 +0000)
treef707059f7c1e3dc69a66829d782c26a55fe2be16
parentcfaeedae3635b0dc78d5ffc3b0df8a6f91a1231e
* rtlanal.c (num_sign_bit_copies1): Improve cases of ANDing or
IORing with a constant.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@126397 138bc75d-0d04-0410-961f-82ee72b054a4
gcc/ChangeLog
gcc/rtlanal.c