diff options
-rwxr-xr-x | configure | 25 |
1 files changed, 25 insertions, 0 deletions
@@ -469,6 +469,26 @@ for restrict_keyword in restrict __restrict__ __restrict; do fi done +# test gcc version to see if vector builtins can be used +# currently only used on i386 for MMX builtins +cat > $TMPC << EOF +int main(void) { +#if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 2) +return 0; +#else +#error no vector builtins +#endif +} +EOF + +builtin_vector=no +if $cc -o $TMPO $TMPC 2> /dev/null ; then + builtin_vector=yes + if test "$mmx" = "yes" ; then + CFLAGS="$CFLAGS -msse" + fi +fi + if test x"$1" = x"-h" -o x"$1" = x"--help" ; then cat << EOF @@ -522,6 +542,7 @@ echo "CPU $cpu" echo "Big Endian $bigendian" if test $cpu = "x86"; then echo "MMX enabled $mmx" +echo "Vector Builtins $builtin_vector" fi if test $cpu = "mips"; then echo "MMI enabled $mmi" @@ -583,6 +604,10 @@ if test "$mmx" = "yes" ; then echo "TARGET_MMX=yes" >> config.mak echo "#define HAVE_MMX 1" >> $TMPH fi +if test "$builtin_vector" = "yes" ; then + echo "TARGET_BUILTIN_VECTOR=yes" >> config.mak + echo "#define HAVE_BUILTIN_VECTOR 1" >> $TMPH +fi if test "$mmi" = "yes" ; then echo "TARGET_MMI=yes" >> config.mak echo "#define HAVE_MMI 1" >> $TMPH |