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From: Richard Knutsson <ricknu-0@student.ltu.se>
To: kernel-janitors@vger.kernel.org
Subject: Re: [KJ] BIT macro cleanup
Date: Wed, 21 Feb 2007 11:28:54 +0000	[thread overview]
Message-ID: <45DC2CF6.3070409@student.ltu.se> (raw)
In-Reply-To: <45CADD09.70809@bfs.de>

Milind Choudhary wrote:
> On 2/21/07, Richard Knutsson <ricknu-0@student.ltu.se> wrote:
>> > so that gcc only will guide them whether to use  BIT or LLBIT
>> > depending  upon size of long  & the "nr" value .
>> How do you mean, gcc "will guide them"?
>>
> I mean if somebody blindly passes a value greater than BITS_PER_LONG
> [on architectures where long & long long aren't of same size]
> gcc would complain with
> :warning: left shift count >= width of type
> so they will backtrack & come to see whats cooking inside BIT
> & on the very next line they notice that there is LLBIT
> which they can use & live happily ever after.
Ok, I took it first as gcc were suppose to choose between them.

BTW, (out of curiosity) is there still much work before releasing the 
BIT-patch?

Richard Knutsson

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  parent reply	other threads:[~2007-02-21 11:28 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-02-08  8:19 [KJ] BIT macro cleanup walter harms
2007-02-09 17:45 ` Milind Choudhary
2007-02-09 17:55 ` Jaco Kroon
2007-02-20 18:28 ` Milind Choudhary
2007-02-20 19:33 ` Richard Knutsson
2007-02-20 20:30 ` Milind Choudhary
2007-02-21  5:56 ` Richard Knutsson
2007-02-21  9:24 ` Milind Choudhary
2007-02-21  9:39 ` Richard Knutsson
2007-02-21 10:46 ` Milind Choudhary
2007-02-21 11:28 ` Richard Knutsson [this message]
2007-02-21 11:59 ` Richard Knutsson
2007-02-21 12:02 ` Darren Jenkins
2007-02-21 12:04 ` Darren Jenkins
2007-02-21 13:26 ` Milind Choudhary
2007-02-21 14:02 ` Milind Choudhary
2007-02-21 14:45 ` Håkon Løvdal
2007-02-21 16:07 ` Richard Knutsson
  -- strict thread matches above, loose matches on Subject: below --
2007-02-07 15:30 Milind Choudhary

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