SILC_CPU_FLAG(sse2, AC_DEFINE([SILC_CPU_SSE2], [], [SILC_CPU_SSE2]), [])
SILC_CPU_FLAG(sse3, AC_DEFINE([SILC_CPU_SSE3], [], [SILC_CPU_SSE3]), [])
SILC_CPU_FLAG(ssse3, AC_DEFINE([SILC_CPU_SSSE3], [], [SILC_CPU_SSSE3]), [])
SILC_CPU_FLAG(sse2, AC_DEFINE([SILC_CPU_SSE2], [], [SILC_CPU_SSE2]), [])
SILC_CPU_FLAG(sse3, AC_DEFINE([SILC_CPU_SSE3], [], [SILC_CPU_SSE3]), [])
SILC_CPU_FLAG(ssse3, AC_DEFINE([SILC_CPU_SSSE3], [], [SILC_CPU_SSSE3]), [])