From: Peter Zijlstra <a.p.zijlstra@chello.nl>
To: Jay Foad <jay.foad@gmail.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [PATCH 1/2] math128: Introduce {mult,add,cmp}_u128
Date: Wed, 25 Apr 2012 17:02:52 +0200 [thread overview]
Message-ID: <1335366172.28150.268.camel@twins> (raw)
In-Reply-To: <CANd1uZ=btyt8q5vbhFjh06bij2xaqGxMLjHf10ORk-XQq-gSxQ@mail.gmail.com>
On Wed, 2012-04-25 at 15:29 +0100, Jay Foad wrote:
> > + res.hi |= x.lo >> (64 - n);
>
> This is undefined when n == 0.
>
>
Thanks, added a !n test.
next prev parent reply other threads:[~2012-04-25 15:03 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-04-25 14:29 [PATCH 1/2] math128: Introduce {mult,add,cmp}_u128 Jay Foad
2012-04-25 15:02 ` Peter Zijlstra [this message]
-- strict thread matches above, loose matches on Subject: below --
2012-04-25 11:15 [PATCH 0/2] math128 - v2 Peter Zijlstra
2012-04-25 11:15 ` [PATCH 1/2] math128: Introduce {mult,add,cmp}_u128 Peter Zijlstra
2012-04-25 12:50 ` Peter Zijlstra
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