[Mesa-dev] [PATCH 1/2] mesa: add runtime support for SSSE3

[Timothy Arceri]

On Thu, 2014-11-06 at 09:59 -0800, Matt Turner wrote:
> On Thu, Nov 6, 2014 at 4:18 AM, Timothy Arceri <t_arceri at yahoo.com.au> wrote:
> > Signed-off-by: Timothy Arceri <t_arceri at yahoo.com.au>
> > ---
> >  configure.ac                       | 6 ++++++
> >  src/mesa/x86/common_x86.c          | 4 ++++
> >  src/mesa/x86/common_x86_features.h | 4 +++-
> >  3 files changed, 13 insertions(+), 1 deletion(-)
> >
> > diff --git a/configure.ac b/configure.ac
> > index 03f1bca..cc0a661 100644
> > --- a/configure.ac
> > +++ b/configure.ac
> > @@ -258,6 +258,12 @@ if test "x$SSE41_SUPPORTED" = x1; then
> >  fi
> >  AM_CONDITIONAL([SSE41_SUPPORTED], [test x$SSE41_SUPPORTED = x1])
> >
> > +AX_CHECK_COMPILE_FLAG([-mssse3], [SSSE3_SUPPORTED=1], [SSSE3_SUPPORTED=0])
> > +if test "x$SSSE3_SUPPORTED" = x1; then
> > +    DEFINES="$DEFINES -DUSE_SSSE3"
> > +fi
> > +AM_CONDITIONAL([SSSE3_SUPPORTED], [test x$SSSE3_SUPPORTED = x1])
> > +
> >  dnl Can't have static and shared libraries, default to static if user
> >  dnl explicitly requested. If both disabled, set to static since shared
> >  dnl was explicitly requested.
> > diff --git a/src/mesa/x86/common_x86.c b/src/mesa/x86/common_x86.c
> > index 25f5c40..ad0648a 100644
> > --- a/src/mesa/x86/common_x86.c
> > +++ b/src/mesa/x86/common_x86.c
> > @@ -352,6 +352,10 @@ _mesa_get_x86_features(void)
> >
> >        __get_cpuid(1, &eax, &ebx, &ecx, &edx);
> >
> > +#ifdef bit_SSSE3
> 
> Why did you put this in an #ifdef bit_SSSE3? That's defined everywhere.

I have no idea. I'll fix it.