Re: [PATCH] fix size of loaded bitfields

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Mon, Feb 27, 2017 at 4:22 PM, Christopher Li <sparse@xxxxxxxxxxx> wrote:
> On Fri, Feb 17, 2017 at 10:44 AM, Luc Van Oostenryck
> <luc.vanoostenryck@xxxxxxxxx> wrote:
>> Loading a bitfield correctly take in account the offset
>> of the bitfield inside the whole container integer.
>> But truncating it to the width of the bitfield is not done
>> or is done very implicitely (because the correct size is not lost).
>
>> Fix this by adding the missing truncating cast.
>> This will then gives something like:
>>         get__bfu_a:
>>                 cast.3      %r2 <- (32) %arg1
>>                 cast.32     %r3 <- (3) %r2
>>                 ret.32      %r3
>
> The patch looks good. Applied to sparse-next.

Actually, after apply this patch. The testsuite failed
on matching the test case of the bitfield-size.c.

Chris
--
To unsubscribe from this list: send the line "unsubscribe linux-sparse" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html



[Index of Archives]     [Newbies FAQ]     [LKML]     [IETF Annouce]     [DCCP]     [Netdev]     [Networking]     [Security]     [Bugtraq]     [Yosemite]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Linux SCSI]     [Trinity Fuzzer Tool]

  Powered by Linux