| 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> |
| In-reply-to: | <alpine.LFD.1.10.0811021036330.20461@ftp.linux-mips.org> |
| Original-recipient: | rfc822;linux-mips@linux-mips.org |
| References: | <490A90F4.6040601@gentoo.org> <490C05A9.9070707@gentoo.org> <87abcjibsl.fsf@firetop.home> <490CA4C8.40904@gentoo.org> <87tzargrn4.fsf@firetop.home> <490CEDB9.6030600@gentoo.org> <alpine.LFD.1.10.0811021036330.20461@ftp.linux-mips.org> |
| Sender: | linux-mips-bounce@linux-mips.org |
| Thread-index: | Ack82OjfUvzB2ktXQC2D76Rks6NIIgA+2yHw |
| 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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