This is the mail archive of the gcc-bugs@gcc.gnu.org mailing list for the GCC project.


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]
Other format: [Raw text]

[Bug target/64600] [5.0 regression] arm-rtems ICE on valid code (-mcpu=xscale)


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.


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]