From: Christian Borntraeger <borntraeger@de.ibm.com>
To: Segher Boessenkool <segher@kernel.crashing.org>
Cc: "Américo 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
Date: Mon, 29 Nov 2010 12:17:14 +0100 [thread overview]
Message-ID: <4CF38BBA.4020202@de.ibm.com> (raw)
In-Reply-To: <52488.94.211.195.167.1291029121.squirrel@gate.crashing.org>
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.
next prev parent reply other threads:[~2010-11-29 11:17 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <AANLkTimewZ4QhxzL2vOYYV85pegy8Fu6Rb4XUAPqGUXS@mail.gmail.com>
[not found] ` <20101129081619.GD5218@cr0.nay.redhat.com>
2010-11-29 9:44 ` [PATCH] Built kernel without -O2 option Christian Borntraeger
2010-11-29 11:12 ` Segher Boessenkool
2010-11-29 11:17 ` Christian Borntraeger [this message]
2010-11-29 11:57 ` Nicholas Mc Guire
2010-12-01 12:18 ` Hui Zhu
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