On Thu, Mar 8, 2012 at 5:41 PM, Jeremy Huddleston <[email protected]> wrote: > Signed-off-by: Jeremy Huddleston <[email protected]> > --- > configure.ac | 9 +++++++++ > 1 files changed, 9 insertions(+), 0 deletions(-) > > diff --git a/configure.ac b/configure.ac > index c3c711c..1ca3c02 100644 > --- a/configure.ac > +++ b/configure.ac > @@ -297,6 +297,15 @@ AC_COMPILE_IFELSE([AC_LANG_SOURCE([[ > #include <mmintrin.h> > int main () { > __m64 v = _mm_cvtsi32_si64 (1); > + __m64 w; > + int8_t x; > + > + /* Some versions of clang will choke on K */ > + asm ("pshufw %2, %1, %0\n\t" > + : "=y" (v) > + : "y" (w), "K" (x) > + ); > + > return _mm_cvtsi64_si32 (v); > }]])], have_mmx_intrinsics=yes) > CFLAGS=$xserver_save_CFLAGS > -- > 1.7.9
Newer clangs support the "K" constraint? Fixed in response to its use in pixman? :) _______________________________________________ Pixman mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/pixman
