@@ -307,6 +307,7 @@ smartcard_nss=""
libusb=""
usb_redir=""
opengl=""
+avx2="no"
zlib="yes"
lzo=""
snappy=""
@@ -1052,6 +1053,8 @@ for opt do
;;
--enable-usb-redir) usb_redir="yes"
;;
+ --enable-avx2) avx2="yes"
+ ;;
--disable-zlib-test) zlib="no"
;;
--disable-lzo) lzo="no"
@@ -1354,6 +1357,7 @@ disabled with --disable-FEATURE, default is enabled if available:
smartcard-nss smartcard nss support
libusb libusb (for usb passthrough)
usb-redir usb network redirection support
+ avx2 support of avx2 instruction
lzo support of lzo compression library
snappy support of snappy compression library
bzip2 support of bzip2 compression library
@@ -1758,6 +1762,13 @@ EOF
fi
fi
+########################################
+# avx2 check
+
+if test "$avx2" = "yes" ; then
+ CFLAGS="$CFLAGS -mavx2"
+fi
+
##########################################
# zlib check
@@ -4589,6 +4600,7 @@ echo "libssh2 support $libssh2"
echo "TPM passthrough $tpm_passthrough"
echo "QOM debugging $qom_cast_debug"
echo "vhdx $vhdx"
+echo "avx2 support $avx2"
echo "lzo support $lzo"
echo "snappy support $snappy"
echo "bzip2 support $bzip2"
@@ -4962,6 +4974,10 @@ if test "$opengl" = "yes" ; then
echo "OPENGL_LIBS=$opengl_libs" >> $config_host_mak
fi
+if test "$avx2" = "yes" ; then
+ echo "CONFIG_AVX2=y" >> $config_host_mak
+fi
+
if test "$lzo" = "yes" ; then
echo "CONFIG_LZO=y" >> $config_host_mak
fi
Add the --enable-avx2 option so as to enable the AVX2 instruction optimization for buffer_find_nonzero_offset(). Signed-off-by: Liang Li <liang.z.li@intel.com> --- configure | 16 ++++++++++++++++ 1 file changed, 16 insertions(+)