Re: [PATCH 2/5] bitops: compile time optimization for hweight_long(CONSTANT)

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To: Wu Fengguang <fengguang.wu@xxxxxxxxx>
Subject: Re: [PATCH 2/5] bitops: compile time optimization for hweight_long(CONSTANT)
From: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Date: Wed, 3 Feb 2010 07:08:25 -0800
Cc: LKML <linux-kernel@xxxxxxxxxxxxxxx>, Jamie Lokier <jamie@xxxxxxxxxxxxx>, Roland Dreier <rdreier@xxxxxxxxx>, Al Viro <viro@xxxxxxxxxxxxxxxxxx>, "linux-fsdevel@xxxxxxxxxxxxxxx" <linux-fsdevel@xxxxxxxxxxxxxxx>, Ingo Molnar <mingo@xxxxxxx>, Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>, "H. Peter Anvin" <hpa@xxxxxxxxx>
In-reply-to: <20100203133951.GA24357@localhost>

On Wed, 3 Feb 2010 21:39:51 +0800 Wu Fengguang <fengguang.wu@xxxxxxxxx> wrote:

> Is there an official lowest GCC version that Linux supports?

Documentation/Changes says gcc-3.2.
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Follow-Ups:
- Re: [PATCH 2/5] bitops: compile time optimization for hweight_long(CONSTANT)
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References:
- [PATCH 0/5] [RESEND] FMODE_NONOTIFY and FMODE_NEG_OFFSET bits
  - From: Wu Fengguang
- [PATCH 2/5] bitops: compile time optimization for hweight_long(CONSTANT)
  - From: Wu Fengguang
- Re: [PATCH 2/5] bitops: compile time optimization for hweight_long(CONSTANT)
  - From: Andrew Morton
- Re: [PATCH 2/5] bitops: compile time optimization for hweight_long(CONSTANT)
  - From: Wu Fengguang

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