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AMD FMA4 addition

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This commit is contained in:
Peter Boyle
2015-10-09 00:44:20 +02:00
parent 83afb2e26a
commit d4289a33b8
2 changed files with 22 additions and 2 deletions
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11
configure.ac
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@ -65,7 +65,7 @@ AC_CHECK_FUNCS([gettimeofday])
#Please install or provide the correct path to your installation
#Info at: http://www.mpfr.org/)])
AC_ARG_ENABLE([simd],[AC_HELP_STRING([--enable-simd=SSE4|AVX|AVX2|AVX512|IMCI],\
AC_ARG_ENABLE([simd],[AC_HELP_STRING([--enable-simd=SSE4|AVX|AVXFMA4|AVX2|AVX512|IMCI],\
[Select instructions to be SSE4.0, AVX 1.0, AVX 2.0+FMA, AVX 512, IMCI])],\
[ac_SIMD=${enable_simd}],[ac_SIMD=AVX2])
@ -90,6 +90,15 @@ case ${ac_SIMD} in
AC_MSG_WARN([Your processor does not support AVX instructions])
fi
;;
AVXFMA4)
echo Configuring for AVX
AC_DEFINE([AVXFMA4],[1],[AVX Intrinsics with FMA4] )
if test x"$ax_cv_support_avx_ext" = x"yes"; then dnl minimal support for AVX
supported=yes
else
AC_MSG_WARN([Your processor does not support AVX instructions])
fi
;;
AVX2)
echo Configuring for AVX2
AC_DEFINE([AVX2],[1],[AVX2 Intrinsics] )