https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64600
--- Comment #10 from rsandifo at gcc dot gnu.org <rsandifo at gcc dot gnu.org> --- (In reply to ktkachov from comment #8) > The ICE is in the wide-int bit_and code when trying to process the rtx: > > (and:SI > (const_int 4294963215 [0xfffff00f]) > (const_int 4111 [0x100f]) > ) > > In particular it seems to have problems constructing a wide-int for > (const_int 4294963215 [0xfffff00f]) Yeah, that isn't a valid SImode const_int. It needs to be sign-extended rather than zero-extended from bit 31.
