From: Peter Zijlstra <a.p.zijlstra@chello.nl>
To: linux-kernel@vger.kernel.org
Cc: linux-arch@vger.kernel.org,
Linus Torvalds <torvalds@linux-foundation.org>,
Andrew Morton <akpm@linux-foundation.org>,
Juri Lelli <juri.lelli@gmail.com>,
Andy Lutomirski <luto@amacapital.net>,
Ingo Molnar <mingo@kernel.org>,
Thomas Gleixner <tglx@linutronix.de>
Subject: Re: [PATCH 1/2] math128: Introduce {mult,add,cmp}_u128
Date: Wed, 25 Apr 2012 14:50:06 +0200 [thread overview]
Message-ID: <1335358206.28150.265.camel@twins> (raw)
In-Reply-To: <20120425112244.894997253@chello.nl>
On Wed, 2012-04-25 at 13:15 +0200, Peter Zijlstra wrote:
> +static inline u128 add_u128(u128 a, u128 b)
> +{
> + a.lo += b.lo;
> + if (a.lo < b.lo)
> + a.hi++;
> +
> + return a;
> +}
D'0h I lost a .hi add there..
next prev parent reply other threads:[~2012-04-25 12:50 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
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 [this message]
2012-04-25 11:15 ` [PATCH 2/2] math128, x86_64: Implement {mult,add}_u128 in 64bit asm Peter Zijlstra
2012-04-25 18:02 ` Andy Lutomirski
2012-04-25 18:10 ` Peter Zijlstra
-- strict thread matches above, loose matches on Subject: below --
2012-04-25 14:29 [PATCH 1/2] math128: Introduce {mult,add,cmp}_u128 Jay Foad
2012-04-25 15:02 ` Peter Zijlstra
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