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Re: [PATCH]: R10000 Needs LL/SC Workaround in Gcc

To: Ralf Baechle <>
Subject: Re: [PATCH]: R10000 Needs LL/SC Workaround in Gcc
From: "Maciej W. Rozycki" <>
Date: Tue, 4 Nov 2008 14:26:48 +0000 (GMT)
Cc: Kumba <>,, Linux MIPS List <>,
In-reply-to: <>
Original-recipient: rfc822;
References: <> <> <87abcjibsl.fsf@firetop.home> <> <87tzargrn4.fsf@firetop.home> <> <87prleh2hc.fsf@firetop.home> <> <87myggilk2.fsf@firetop.home> <> <>
User-agent: Alpine 1.10 (LFD 962 2008-03-14)
On Tue, 4 Nov 2008, Ralf Baechle wrote:

> Makes me wonder if there is a point in having a single gcc option, something
> like -march=generic which selects something like this, including all
> workarounds?

 No, please don't.  If we decide to introduce it, someone will actually 
decide to use it wasting computing power of good machines to handle corner 
cases.  If somebody has a broken machine or a hardware vendor or a 
distributor has interest in supporting a particular flavour of breakage, 
then they are of course free to do so.  But please do not make it too easy 
to spread.  Let's give the hardware folks some incentive to fix their 
bugs. ;)


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