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Re: [PATCH] Built kernel without -O2 option

From: Christian Borntraeger <borntraeger at de dot ibm dot com>
To: Segher Boessenkool <segher at kernel dot crashing dot org>
Cc: Américo Wang <xiyou dot wangcong at gmail dot com>, Hui Zhu <teawater at gmail dot com>, linux-kernel at vger dot kernel dot org, gdb at sourceware dot org, hellogcc at freelists dot org, linux-kbuild at vger dot kernel dot org
Date: Mon, 29 Nov 2010 12:17:14 +0100
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>

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.

Follow-Ups:
- Re: [PATCH] Built kernel without -O2 option
  - From: Nicholas Mc Guire

References:
- [PATCH] Built kernel without -O2 option
  - From: Hui Zhu
- Re: [PATCH] Built kernel without -O2 option
  - From: AmÃrico Wang
- Re: [PATCH] Built kernel without -O2 option
  - From: Christian Borntraeger
- Re: [PATCH] Built kernel without -O2 option
  - From: Segher Boessenkool

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