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Check for SSSE3 instructions set

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Frank Denis 2014-05-14 22:34:27 -07:00
parent 27a33a062d
commit 4653471cad
1 changed files with 8 additions and 0 deletions
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8
configure.ac
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@ -272,6 +272,14 @@ AS_IF([test "x$EMSCRIPTEN" = "x"],[
AC_DEFINE([HAVE_PMMINTRIN_H], [1], [sse3 is available])],
[AC_MSG_RESULT(no)])
AC_MSG_CHECKING(for SSSE3 instructions set)
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
#pragma GCC target("ssse3")
#include <tmmintrin.h>
]], [[ __m64 x = _mm_abs_pi32(_m_from_int(0)); ]])],
[AC_MSG_RESULT(yes)
AC_DEFINE([HAVE_TMMINTRIN_H], [1], [ssse3 is available])],
[AC_MSG_RESULT(no)])
])
AC_CHECK_HEADERS([sys/mman.h])