diff options
Diffstat (limited to 'configure')
| -rwxr-xr-x | configure | 59 |
1 files changed, 58 insertions, 1 deletions
@@ -26,6 +26,7 @@ ranlib="ranlib" make="make" strip="strip" cpu=`uname -m` +tune="generic" mmx="default" altivec="default" mmi="default" @@ -272,6 +273,8 @@ for opt do ;; --cpu=*) cpu=`echo $opt | cut -d '=' -f 2` ;; + --tune=*) tune=`echo $opt | cut -d '=' -f 2` + ;; --disable-mmx) mmx="no" ;; --disable-altivec) altivec="no" @@ -351,6 +354,58 @@ if test $altivec = "default"; then fi fi +# Add processor-specific flags +TUNECPU="generic" +if test $tune != "generic"; then + case $tune in + 601|ppc601|PowerPC601) + CFLAGS="$CFLAGS -mcpu=601" + if test $altivec = "yes"; then + echo "WARNING: tuning for PPC601 but altivec enabled !"; + fi + TUNECPU=ppc601 + ;; + 603*|ppc603*|PowerPC603*) + CFLAGS="$CFLAGS -mcpu=603" + if test $altivec = "yes"; then + echo "WARNING: tuning for PPC603 but altivec enabled !"; + fi + TUNECPU=ppc603 + ;; + 604*|ppc604*|PowerPC604*) + CFLAGS="$CFLAGS -mcpu=604" + if test $altivec = "yes"; then + echo "WARNING: tuning for PPC604 but altivec enabled !"; + fi + TUNECPU=ppc604 + ;; + G3|75*|ppc75*|PowerPC75*) + CFLAGS="$CFLAGS -mcpu=750" + if test $altivec = "yes"; then + echo "WARNING: tuning for PPC75x but altivec enabled !"; + fi + TUNECPU=ppc750 + ;; + G4|74*|ppc74*|PowerPC74*) + CFLAGS="$CFLAGS -mcpu=7400" + if test $altivec = "no"; then + echo "WARNING: tuning for PPC74xx but altivec disabled !"; + fi + TUNECPU=ppc7400 + ;; + G5|970|ppc970|PowerPC970|power4*|Power4*) + CFLAGS="$CFLAGS -mcpu=970 -mtune=970 -mpowerpc64 -force_cpusubtype_ALL " + if test $altivec = "no"; then + echo "WARNING: tuning for PPC970 but altivec disabled !"; + fi + TUNECPU=ppc970 + ;; + *) + echo "WARNING: unknown CPU "$tune", ignored" + ;; + esac +fi + # See if we have <altivec.h> cat > $TMPC << EOF #include <altivec.h> @@ -686,6 +741,7 @@ echo " --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]" echo " --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]" echo " --extra-libs=ELIBS add ELIBS [$ELIBS]" echo " --cpu=CPU force cpu to CPU [$cpu]" +echo " --tune=PROCESSOR tune code for a particular CPU (may fails or misperforms on other CPUs)" echo " --disable-mmx disable mmx usage" echo " --disable-altivec disable AltiVec usage" echo " --disable-audio-oss disable OSS audio support [default=no]" @@ -712,7 +768,7 @@ echo "Install prefix $prefix" echo "Source path $source_path" echo "C compiler $cc" echo "make $make" -echo "CPU $cpu" +echo "CPU $cpu ($tune)" echo "Big Endian $bigendian" if test $cpu = "x86"; then echo "MMX enabled $mmx" @@ -792,6 +848,7 @@ elif test "$cpu" = "mips" ; then echo "TARGET_ARCH_MIPS=yes" >> config.mak echo "#define ARCH_MIPS 1" >> $TMPH fi +echo "#define TUNECPU $TUNECPU" >> $TMPH if test "$bigendian" = "yes" ; then echo "WORDS_BIGENDIAN=yes" >> config.mak echo "#define WORDS_BIGENDIAN 1" >> $TMPH |