linux-kernel - Re: Linux kernel support -O0 optimization flag?

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Message-ID: <1366092629.23016.1.camel@leyfoon-vm>
Date:	Tue, 16 Apr 2013 14:10:29 +0800
From:	Ley Foon Tan <lftan@...era.com>
To:	richard -rw- weinberger <richard.weinberger@...il.com>
CC:	LKML <linux-kernel@...r.kernel.org>,
	Kenneth Chong Yin Tan <cytan@...era.com>
Subject: Re: Linux kernel support -O0 optimization flag?

On Mon, 2013-04-15 at 13:16 +0200, richard -rw- weinberger wrote:

> No. If I'm not mistaken we need this to make sure that the compiler
> inlines some functions.
> 
> In your case the compiler failed to compute the BUILD_BUG() macro correctly.
> It depends also on optimization.
> 
Thank you.
So, the supported optimization flags are -O1, -O2, -O3 and -Os?

Regards
LFTAN

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