From: Peter Zijlstra <a.p.zijlstra@chello.nl>
To: linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org
Cc: Linus Torvalds <torvalds@linux-foundation.org>,
Andrew Morton <akpm@linux-foundation.org>,
Juri Lelli <juri.lelli@gmail.com>,
Andy Lutomirski <luto@amacapital.net>
Subject: [PATCH 0/2] math128 - v2
Date: Wed, 25 Apr 2012 13:15:52 +0200 [thread overview]
Message-ID: <20120425111552.665217867@chello.nl> (raw)
Take two of the math128 bits..
Changes since last time:
- Added gcc __int128 versions for where it works
- Added Andy's mul_u64_u32_shr() due to popular demand :-)
- Added {shl,shr}_u128 as requested by hpa (although I suspect he'll
use Andy's fancy function).
- Added a U128_INIT() constant initializer.
- Renamed mult_u128 to mul_u64_u64, hpa complaned the name was
misleading
- Fixed some of the code generation issues with add_u128 and
mul_u64_64.
I've also assumed we're all actually ok with adding this functionality,
so unless someone hollers I'll push this for inclusion.
next reply other threads:[~2012-04-25 11:28 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-04-25 11:15 Peter Zijlstra [this message]
2012-04-25 11:15 ` [PATCH 1/2] math128: Introduce {mult,add,cmp}_u128 Peter Zijlstra
2012-04-25 12:50 ` Peter Zijlstra
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
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