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In message <20010724160429.A18916@redhat.com>you write: > On Tue, Jul 24, 2001 at 02:01:38AM -0400, Daniel Berlin wrote: > > XOR is only used in one place, in flow.c and it's in a verification funct > ion > > (verify_local_live_at_start). > > Either XOR is need, or you need to provide an alternative way > for me to get at the same information for that function. > > In verify_local_live_at_start we are expecting set A == set B, > and if they aren't equal, we need to find all the bits that > are different and validate the changes that occurred. > > Removing NOT and IOR_COMPL make sense, especially if they aren't used. But sbitmap_not is used in gcse & lcm jeff
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