Message ID | 1447126297-27239-3-git-send-email-liang.z.li@intel.com |
---|---|
State | New |
Headers | show |
Liang Li <liang.z.li@intel.com> wrote: > Add the '--enable-avx2' & '--disable-avx2' option so as to config > the AVX2 instruction optimization. > > By default, avx2 optimization is enabled, if '--disable-avx2' is not > set, configure will detect if the compiler can support AVX2 option, > if yes, AVX2 optimization is eabled, else disabled. > > Signed-off-by: Liang Li <liang.z.li@intel.com> > --- > configure | 29 +++++++++++++++++++++++++++++ > 1 file changed, 29 insertions(+) > > diff --git a/configure b/configure > index 42e57c0..4d81be2 100755 > --- a/configure > +++ b/configure > @@ -310,6 +310,7 @@ smartcard="" > libusb="" > usb_redir="" > opengl="" > +avx2="yes" > zlib="yes" > lzo="" > snappy="" > @@ -1057,6 +1058,10 @@ for opt do > ;; > --enable-usb-redir) usb_redir="yes" > ;; > + --disable-avx2) avx2="no" > + ;; > + --enable-avx2) avx2="yes" > + ;; > --disable-zlib-test) zlib="no" > ;; > --disable-lzo) lzo="no" > @@ -1373,6 +1378,7 @@ disabled with --disable-FEATURE, default is enabled if available: > smartcard smartcard support (libcacard) > 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 > @@ -1809,6 +1815,24 @@ EOF > fi > fi > > +######################################## > +# avx2 check > + > +if test "$avx2" != "no" ; then > + cat > $TMPC << EOF > +int main(void) { return 0; } > +EOF > + if compile_prog "" "-mavx2" ; then > + avx2="yes" > + else > + avx2="no" the else bit shouldn't be: if test "$avx2" = "yes"; then feature_not_found "avx2" "Your compiler don't support avx2" fi avx=2="no" ?? > + fi > +fi > + > +if test "$avx2" = "yes" ; then > + avx2_cflags=" -mavx2" > +fi > + > ########################################## > # zlib check > > @@ -4782,6 +4806,7 @@ 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 $bzip2" > @@ -5166,6 +5191,10 @@ if test "$opengl" = "yes" ; then > echo "OPENGL_LIBS=$opengl_libs" >> $config_host_mak > fi > > +if test "$avx2" = "yes" ; then > + echo "AVX2_CFLAGS=$avx2_cflags" >> $config_host_mak > +fi > + > if test "$lzo" = "yes" ; then > echo "CONFIG_LZO=y" >> $config_host_mak > fi
diff --git a/configure b/configure index 42e57c0..4d81be2 100755 --- a/configure +++ b/configure @@ -310,6 +310,7 @@ smartcard="" libusb="" usb_redir="" opengl="" +avx2="yes" zlib="yes" lzo="" snappy="" @@ -1057,6 +1058,10 @@ for opt do ;; --enable-usb-redir) usb_redir="yes" ;; + --disable-avx2) avx2="no" + ;; + --enable-avx2) avx2="yes" + ;; --disable-zlib-test) zlib="no" ;; --disable-lzo) lzo="no" @@ -1373,6 +1378,7 @@ disabled with --disable-FEATURE, default is enabled if available: smartcard smartcard support (libcacard) libusb libusb (for usb passthrough) usb-redir usb network redirection support + avx2 support of avx2 instruction lzo support of lzo compression library snappy support of snappy compression library bzip2 support of bzip2 compression library @@ -1809,6 +1815,24 @@ EOF fi fi +######################################## +# avx2 check + +if test "$avx2" != "no" ; then + cat > $TMPC << EOF +int main(void) { return 0; } +EOF + if compile_prog "" "-mavx2" ; then + avx2="yes" + else + avx2="no" + fi +fi + +if test "$avx2" = "yes" ; then + avx2_cflags=" -mavx2" +fi + ########################################## # zlib check @@ -4782,6 +4806,7 @@ 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 $bzip2" @@ -5166,6 +5191,10 @@ if test "$opengl" = "yes" ; then echo "OPENGL_LIBS=$opengl_libs" >> $config_host_mak fi +if test "$avx2" = "yes" ; then + echo "AVX2_CFLAGS=$avx2_cflags" >> $config_host_mak +fi + if test "$lzo" = "yes" ; then echo "CONFIG_LZO=y" >> $config_host_mak fi
Add the '--enable-avx2' & '--disable-avx2' option so as to config the AVX2 instruction optimization. By default, avx2 optimization is enabled, if '--disable-avx2' is not set, configure will detect if the compiler can support AVX2 option, if yes, AVX2 optimization is eabled, else disabled. Signed-off-by: Liang Li <liang.z.li@intel.com> --- configure | 29 +++++++++++++++++++++++++++++ 1 file changed, 29 insertions(+)