Shiyou Yin <yinshiyou...@loongson.cn> 于2020年2月11日周二 下午6:29写道: > > > >-----Original Message----- > >From: YunQiang Su [mailto:wzss...@gmail.com] > >Sent: Tuesday, February 11, 2020 5:26 PM > >To: Yin Shiyou > >Cc: pixman@lists.freedesktop.org > >Subject: Re: [Pixman] [PATCH 2/3] build: use '-mloongson-mmi' for Loongson > >MMI. > > > >Yin Shiyou <yinshiyou...@loongson.cn> 于2020年2月11日周二 下午3:59写道: > >> > >> It's suggested to use '-mloongson-mmi' to enable MMI. > >> Use '-march=loongson2f' will lead a link error in new platform > >> while config check and then MMI will be disabled. > >> --- > >> configure.ac | 2 +- > >> meson.build | 2 +- > >> 2 files changed, 2 insertions(+), 2 deletions(-) > >> > >> diff --git a/configure.ac b/configure.ac > >> index 1ca3974..fd7df47 100644 > >> --- a/configure.ac > >> +++ b/configure.ac > >> @@ -273,7 +273,7 @@ dnl > >=========================================================================== > >> dnl Check for Loongson Multimedia Instructions > >> > >> if test "x$LS_CFLAGS" = "x" ; then > >> - LS_CFLAGS="-march=loongson2f" > >> + LS_CFLAGS="-mloongson-mmi" > >> fi > >>
somebody told me that the opcode of MMI on 2F and 3A is different. So which set of opcode will -mloongson-mmi generate? > > > >As I know, somebody are still using 2F, such as Gentoo. > >This change will break these distributions. > > > >Keep compatible please. > > > Thank you for you reminder. Are you sure this patch will cause break on 2F? > In my opinion, use these FLAGS is aim to compile MMI instructions. > From this point, '-mloongson-mmi' may be more appropriate.. > > -- YunQiang Su _______________________________________________ Pixman mailing list Pixman@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/pixman