From: David Howells <dhowells@redhat.com>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: dhowells@redhat.com, Eric Dumazet <eric.dumazet@gmail.com>,
adobriyan@gmail.com, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] Reduce the number of expensive division instructions done by _parse_integer()
Date: Thu, 09 Feb 2012 18:07:21 +0000 [thread overview]
Message-ID: <8689.1328810841@redhat.com> (raw)
In-Reply-To: <CA+55aFw5z85wuU8xJ_YFp0QB653yAGPOqeGXhJLbdj9ogpHqOA@mail.gmail.com>
Linus Torvalds <torvalds@linux-foundation.org> wrote:
> Bah. The constant is hoisted out of the loop on anything that has
> enough registers - and "cannot generate constants" is almost
> universally associated with "fair amount of registers".
True.
Do you want me to attach my patch description to your patch, or do you want to
do that?
David
next prev parent reply other threads:[~2012-02-09 18:07 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-02-09 15:48 [PATCH] Reduce the number of expensive division instructions done by _parse_integer() David Howells
2012-02-09 16:28 ` Eric Dumazet
2012-02-09 16:42 ` Eric Dumazet
2012-02-09 16:58 ` Linus Torvalds
2012-02-09 17:08 ` Linus Torvalds
2012-02-09 17:46 ` David Howells
2012-02-09 17:56 ` Linus Torvalds
2012-02-09 18:07 ` David Howells [this message]
2012-02-09 18:08 ` Linus Torvalds
2012-02-09 18:50 ` David Howells
2012-02-09 19:14 ` Linus Torvalds
2012-02-10 13:50 ` Alexey Dobriyan
2012-02-09 19:23 ` David Howells
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