> 2023年5月7日 18:34，Maciej W. Rozycki 写道：
>
> On Wed, 3 May 2023, Jiaxun Yang wrote:
>
>> Since it’s possible to run R2- binary on R2+ processor, we’d better find a
>> semantic that do eliminate speculation on all processors. While SSNOPs
>> on R2+ proce
> 2023年5月3日 22:04，Maciej W. Rozycki 写道：
>
> On Wed, 3 May 2023, Richard Sandiford wrote:
>
>>> speculation_barrier for MIPS needs sync+jr.hb (r2+),
>>> so we implement __speculation_barrier in libgcc, like arm32 does.
>>
>> Looks reasonable, but do you have a source for the fallback
>>
> 2023年4月28日 13:33，YunQiang Su 写道：
>
> speculation_barrier for MIPS needs sync+jr.hb (r2+),
> so we implement __speculation_barrier in libgcc, like arm32 does.
>
> gcc/ChangeLog:
> * config/mips/mips-protos.h (mips_emit_speculation_barrier): New
>prototype.
> * config/mips/mips.cc
, should we also use that naming in toolchain?
Thanks.
--
Jiaxun Yang
This patch also add a configure options
--with-mips-fix-loongson3-llsc=[yes|no] to enable fix-loongson3-llsc
by config.
>From 16f0fd9e32d2098637dc0eb3e576444c48c43f22 Mon Sep 17 00:00:00 2001
From: Chenghua Xu
Date: Fr
