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Date: Mon, 29 Nov 2010 11:17:00 -0000
From: Christian Borntraeger <borntraeger@de.ibm.com>
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To: Segher Boessenkool <segher@kernel.crashing.org>
CC: =?ISO-8859-1?Q?Am=E9rico_Wang?= <xiyou.wangcong@gmail.com>,        Hui Zhu <teawater@gmail.com>, linux-kernel@vger.kernel.org,        gdb@sourceware.org, hellogcc@freelists.org,        linux-kbuild@vger.kernel.org
Subject: Re: [PATCH] Built kernel without -O2 option
References: <AANLkTimewZ4QhxzL2vOYYV85pegy8Fu6Rb4XUAPqGUXS@mail.gmail.com> <20101129081619.GD5218@cr0.nay.redhat.com>    <4CF37603.5080301@de.ibm.com> <52488.94.211.195.167.1291029121.squirrel@gate.crashing.org>
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Am 29.11.2010 12:12, schrieb Segher Boessenkool:
>> In essence -O2 just tells gcc to activate a list of optimizations
>> gcc  -Q -O2 --help=optimizers
>> tells you what.
> 
> Not quite; see http://gcc.gnu.org/wiki/FAQ#optimization-options .
> 

Erm...right. Thank you.