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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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13
configure vendored
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@ -1384,7 +1384,7 @@ Optional Features:
--disable-dependency-tracking
speeds up one-time build
--disable-openmp do not use OpenMP
--enable-simd=SSE4|AVX|AVX2|AVX512|IMCI
--enable-simd=SSE4|AVX|AVXFMA4|AVX2|AVX512|IMCI
Select instructions to be SSE4.0, AVX 1.0, AVX
2.0+FMA, AVX 512, IMCI
--enable-precision=single|double
@ -6403,6 +6403,17 @@ $as_echo "#define AVX1 1" >>confdefs.h
$as_echo "$as_me: WARNING: Your processor does not support AVX instructions" >&2;}
fi
;;
AVXFMA4)
echo Configuring for AVX
$as_echo "#define AVXFMA4 1" >>confdefs.h
if test x"$ax_cv_support_avx_ext" = x"yes"; then supported=yes
else
{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: Your processor does not support AVX instructions" >&5
$as_echo "$as_me: WARNING: Your processor does not support AVX instructions" >&2;}
fi
;;
AVX2)
echo Configuring for AVX2

11
configure.ac
View File

@ -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] )