hash.h warning - left shift count

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* hash.h warning - left shift count
@ 2016-05-25  1:38 Bruce Cran
  2016-05-25 19:20 ` Jens Axboe
  0 siblings, 1 reply; 2+ messages in thread
From: Bruce Cran @ 2016-05-25  1:38 UTC (permalink / raw)
  To: fio

I'm seeing a new compiler warning on Windows. Since 'long' is 32 bits:


hash.h: In function ‘__hash_long’:
hash.h:58:2: warning: left shift count >= width of type
   n <<= 33;
   ^

-- 
Bruce


^ permalink raw reply	[flat|nested] 2+ messages in thread

* Re: hash.h warning - left shift count
  2016-05-25  1:38 hash.h warning - left shift count Bruce Cran
@ 2016-05-25 19:20 ` Jens Axboe
  0 siblings, 0 replies; 2+ messages in thread
From: Jens Axboe @ 2016-05-25 19:20 UTC (permalink / raw)
  To: Bruce Cran, fio

On 05/24/2016 07:38 PM, Bruce Cran wrote:
> I'm seeing a new compiler warning on Windows. Since 'long' is 32 bits:
>
>
> hash.h: In function ‘__hash_long’:
> hash.h:58:2: warning: left shift count >= width of type
>    n <<= 33;
>    ^

Should be fixed by this:

http://git.kernel.dk/cgit/fio/commit/?id=1bd4cb6b62903c7785d6891d8b40a745b52c609f

-- 
Jens Axboe



^ permalink raw reply	[flat|nested] 2+ messages in thread

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