While building global lifetime information, keep track of which registers are
commitb2bbb6552cd35b778247d4a5fb88d7d55f297f59
authorbernds <bernds@138bc75d-0d04-0410-961f-82ee72b054a4>
Mon, 27 Nov 2000 17:50:11 +0000 (27 17:50 +0000)
committerbernds <bernds@138bc75d-0d04-0410-961f-82ee72b054a4>
Mon, 27 Nov 2000 17:50:11 +0000 (27 17:50 +0000)
tree9edf3e2ab6d41894c57ae07bf83a362429fbfab0
parent892dff37b2b3fe86cec8d6d53e22310dcebb26d1
While building global lifetime information, keep track of which registers are
only conditionally set.  Use this to force rescans in more cases where they
are needed.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@37801 138bc75d-0d04-0410-961f-82ee72b054a4
gcc/ChangeLog
gcc/basic-block.h
gcc/flow.c
gcc/ifcvt.c
gcc/recog.c