------- Additional Comments From rsandifo at gcc dot gnu dot org 2005-07-05 14:51 ------- > The analysis is slightly flawed. For example: > > UINT32 r0045025C = opt_and(ic, r004501D4); // N = and (_, M) :00022108 > UINT32 r00450994 = opt_not(r0045025C); // b = not (N) > :fffddef7 > > Since you are using 1s to represent bits that are known to be 0 and 0s > to represent bits whose value are completely unknown, b should be > 00000000. All known 0s flip to 1s, and you can say nothing about the > other bits because their values are all unknown.
Yup. I guess you didn't read comment #4 ;) Anyway, thanks for the confirmation. I'll close this as invalid. -- What |Removed |Added ---------------------------------------------------------------------------- Status|WAITING |RESOLVED Resolution| |INVALID http://gcc.gnu.org/bugzilla/show_bug.cgi?id=21970