<[email protected]> 于2020年3月28日周六 上午11:13写道:
>
> &gt; -----原始邮件-----
> &gt; 发件人: "YunQiang Su" <[email protected]>
> &gt; 发送时间: 2020-03-28 08:50:46 (星期六)
> &gt; 收件人: "Shiyou Yin" <[email protected]>
> &gt; 抄送: pixman <[email protected]>
> &gt; 主题: Re: [Pixman] [PATCH 1/2] configure.ac: Use '-mloongson-mmi' for 
> Loongson MMI.
> &gt;
> &gt; Please reject ALL of @loongson.cn patch, as I know they are try to
> &gt; KILL all other MIPS platform.
> &gt; There are some extensions are Loongson-only (MMI here), while they
> &gt; continue to try to set them as default.
>
> Please don't be so extreme, we will never trying to kill other mips platform.

This a the mistake of mine.
The LS_CFLAGS is used only for libpixman-loongson-mmi.la,
and it will not be used globally. Then it won't break other MIPS platforms.
I apologize for my mistake.

> About this setting for MMI, yes, now it's enable by default, but there are 
> runtime check for MMI.
> If it still crashes on other mips platform, it may be a bug of runtimechek.

For the incompatible between 2F (-march=loongson2f) and 3A (-mloongson-mmi),
I checked that all of currently used insns are compatible.

While there do be some insns are incompatible: single-paired and some
condition insns.
Luckily, they are not used yet.
If they are used in future, we should be very carefully.



> I still suggest to enable it by default. If our views cannot be reached, then 
> choose proposal B
> to delete this default 
> setting.</[email protected]></[email protected]></[email protected]>



--
YunQiang Su
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