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Re: [PATCH] trivial: the memset operation on a automatic array variable should be optimized out by data initialization

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From: Benjamin LaHaise
Subject: Re: [PATCH] trivial: the memset operation on a automatic array variable should be optimized out by data initialization
Date: Sunday, June 24, 2007 - 5:12 pm

On Sun, Jun 24, 2007 at 05:09:16PM -0700, Arjan van de Ven wrote:

Certain distros are shipping kernels compiled with -Os.  And it's more 
than just a couple of cycles.

		-ben
-- 
"Time is of no importance, Mr. President, only life is important."
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Messages in current thread:
[PATCH] trivial: the memset operation on a automatic array ..., Denis Cheng, (Fri Jun 22, 10:15 pm)
Re: [PATCH] trivial: the memset operation on a automatic a ..., Oleg Verych, (Sat Jun 23, 12:59 am)
Re: [PATCH] trivial: the memset operation on a automatic a ..., Adrian Bunk, (Sat Jun 23, 6:13 am)
Re: [PATCH] trivial: the memset operation on a automatic a ..., Oleg Verych, (Sat Jun 23, 6:41 am)
Re: [PATCH] trivial: the memset operation on a automatic a ..., Adrian Bunk, (Sat Jun 23, 6:57 am)
Re: [PATCH] trivial: the memset operation on a automatic a ..., Segher Boessenkool, (Sat Jun 23, 8:21 am)
Re: [PATCH] trivial: the memset operation on a automatic a ..., rae l, (Sun Jun 24, 5:58 am)
Re: [PATCH] trivial: the memset operation on a automatic a ..., Arjan van de Ven, (Sun Jun 24, 3:15 pm)
Re: [PATCH] trivial: the memset operation on a automatic a ..., Oleg Verych, (Sun Jun 24, 3:25 pm)
Re: [PATCH] trivial: the memset operation on a automatic a ..., Benjamin LaHaise, (Sun Jun 24, 4:23 pm)
memset() with zeroes (Re: [PATCH] trivial: the memset oper ..., Oleg Verych, (Sun Jun 24, 4:33 pm)
Re: [PATCH] trivial: the memset operation on a automatic a ..., Arjan van de Ven, (Sun Jun 24, 5:09 pm)
Re: [PATCH] trivial: the memset operation on a automatic a ..., Benjamin LaHaise, (Sun Jun 24, 5:12 pm)
Re: [PATCH] trivial: the memset operation on a automatic a ..., Arjan van de Ven, (Sun Jun 24, 5:23 pm)
-Os versus -O2, Adrian Bunk, (Sun Jun 24, 5:41 pm)
Re: -Os versus -O2, Arjan van de Ven, (Sun Jun 24, 5:58 pm)
Re: -Os versus -O2, david, (Sun Jun 24, 6:08 pm)
Re: -Os versus -O2, Arjan van de Ven, (Sun Jun 24, 6:17 pm)
Re: -Os versus -O2, Rene Herman, (Sun Jun 24, 6:23 pm)
Re: -Os versus -O2, Rene Herman, (Sun Jun 24, 6:31 pm)
Re: -Os versus -O2, Adrian Bunk, (Sun Jun 24, 6:33 pm)
Re: -Os versus -O2, david, (Sun Jun 24, 6:33 pm)
Re: -Os versus -O2, Jeff Garzik, (Sun Jun 24, 6:34 pm)
Re: -Os versus -O2, Rene Herman, (Sun Jun 24, 6:41 pm)
Re: -Os versus -O2, Adrian Bunk, (Sun Jun 24, 6:46 pm)
Re: -Os versus -O2, david, (Sun Jun 24, 7:19 pm)
Re: -Os versus -O2, Willy Tarreau, (Sun Jun 24, 10:04 pm)
Re: -Os versus -O2, Segher Boessenkool, (Mon Jun 25, 12:03 am)
Re: -Os versus -O2, Segher Boessenkool, (Mon Jun 25, 12:08 am)
Re: -Os versus -O2, david, (Mon Jun 25, 12:13 am)
Re: -Os versus -O2, david, (Mon Jun 25, 12:15 am)
Re: -Os versus -O2, Segher Boessenkool, (Mon Jun 25, 12:35 am)
Re: -Os versus -O2, Segher Boessenkool, (Mon Jun 25, 12:41 am)
Re: -Os versus -O2, Willy Tarreau, (Mon Jun 25, 1:19 am)
Re: -Os versus -O2, Segher Boessenkool, (Mon Jun 25, 1:41 am)