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Re: Getting rid of -fno-unit-at-a-time [Was Re: RFC: Preservingorder of functions and top-level asms via cgraph]
- From: Andi Kleen <ak at muc dot de>
- To: Daniel Kegel <dkegel at google dot com>
- Cc: gcc at gcc dot gnu dot org, me at rupey dot net
- Date: Tue, 12 Apr 2005 18:34:29 +0200
- Subject: Re: Getting rid of -fno-unit-at-a-time [Was Re: RFC: Preservingorder of functions and top-level asms via cgraph]
- References: <425AAD8E.email@example.com><20050411170358.GA31028@nevyn.them.org>
Daniel Jacobowitz <firstname.lastname@example.org> writes:
> On Mon, Apr 11, 2005 at 10:02:06AM -0700, Daniel Kegel wrote:
>> BTW, I hope -fno-unit-at-a-time doesn't go away until at least gcc-4.1.1
>> or so... I still lean on that crutch.
> A user! Can you explain why?
The x86-64 2.4 linux kernel uses it too, because some code relies on
the ordering between asm and several functions.
Other Linux ports might be similarly affected. 2.6 is fixed, but the
fix is a bit too big to merge into a stable-nearly-dead tree like 2.4.