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

To: <macro@linux-mips.org>, <kumba@gentoo.org>
Subject: RE: [PATCH]: R10000 Needs LL/SC Workaround in Gcc
From: <Paul_Koning@Dell.com>
Date: Mon, 3 Nov 2008 10:51:49 -0600
Cc: <gcc-patches@gcc.gnu.org>, <linux-mips@linux-mips.org>, <rdsandiford@googlemail.com>
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Thread-topic: [PATCH]: R10000 Needs LL/SC Workaround in Gcc
>From: Maciej W. Rozycki [mailto:macro@linux-mips.org] 
>
> I believe (but have not checked) that all CPUs/ISAs that are within the 
>MIPS II - MIPS IV range enable -mbranch-likely by default, 

Not quite.  sb1 has no-branch-likely.  It actually does implement the 
instruction but the documentation clearly states that it should be avoided.

        paul
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