])
])
-AC_ARG_ENABLE(ssse3,
+AC_ARG_ENABLE(sse3,
[ --disable-sse3 disable SSE3/SSSE3 optimizations (default auto)]
,, [
case "${host_cpu}" in
esac
])
AS_IF([test "${enable_sse3}" != "no"], [
-
+ # SSE3
AC_CACHE_CHECK([if $CC groks SSE3 inline assembly],
[ac_cv_sse3_inline],
[CFLAGS="${CFLAGS_save} -O -msse3"
])
AS_IF([test "${ac_cv_sse3_inline}" != "no"], [
AC_DEFINE(CAN_COMPILE_SSE3, 1,
- [Define to 1 if SSE3 inline assembly is available.])
- ]
- )
-
+ [Define to 1 if SSE3 inline assembly is available.]) ])
+ # SSSE3
AC_CACHE_CHECK([if $CC groks SSSE3 inline assembly],
[ac_cv_ssse3_inline],
[CFLAGS="${CFLAGS_save} -O -mssse3"
AS_IF([test "${ac_cv_ssse3_inline}" != "no"], [
AC_DEFINE(CAN_COMPILE_SSSE3, 1,
- [Define to 1 if SSSE3 inline assembly is available.])
- ]
- )
+ [Define to 1 if SSSE3 inline assembly is available.]) ])
+])
+
+AC_ARG_ENABLE(sse4,
+[ --disable-sse4 disable SSE4 optimizations (default auto)]
+,, [
+ case "${host_cpu}" in
+ i686|x86_64)
+ enable_sse4=yes
+ ;;
+ *)
+ enable_sse4=no
+ ;;
+ esac
+])
+AS_IF([test "${enable_sse4}" != "no"], [
+ # SSE3
+ AC_CACHE_CHECK([if $CC groks SSE4 inline assembly],
+ [ac_cv_sse4_inline],
+ [CFLAGS="${CFLAGS_save} -O -msse4"
+ AC_TRY_COMPILE(,[void *p;asm volatile("pmaxsb %%xmm1,%%xmm0"::"r"(p));],
+ ac_cv_sse4_inline=yes, ac_cv_sse4_inline=no)
+ ARCH="${ARCH} sse4"
+ ])
+ AS_IF([test "${ac_cv_sse4_inline}" != "no"], [
+ AC_DEFINE(CAN_COMPILE_SSE4, 1,
+ [Define to 1 if SSE4 inline assembly is available.]) ])
])
AC_CACHE_CHECK([if $CC groks 3D Now! inline assembly],