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|
#!/bin/sh
# $NetBSD: cpuflags.Linux,v 1.6 2004/07/27 19:25:44 abs Exp $
PATH=/sbin:/usr/sbin:/bin:/usr/bin:$PATH
if [ -n "$1" ]; then
CC=$1
else
CC=gcc
fi
hw_machine_arch=$(uname -m)
if [ ! -f /proc/cpuinfo ] ; then
echo "Unable to open /proc/cpuinfo"
hw_model=Unknown
else
hw_model=$(awk -F: '/model name/{sub(" ","",$2);print $2}' /proc/cpuinfo)
fi
case $hw_machine_arch in
# i386
i386) FLAGS='-march=i386' ;;
i486) FLAGS='-march=i486' ;;
i586) FLAGS='-march=pentium' ;;
i686) case $hw_model in
"AMD Duron(TM)") FLAGS='-march=athlon' ;;
esac
;;
#
esac
if [ -z "$FLAGS" -a -z "$NONE" ] ; then
echo 'Unknown machine - please send details to abs@netbsd.org' >&2
echo " hw.model : '$hw_model'" >&2
echo " hw.machine_arch : '$hw_machine_arch'" >&2
fi
# Fixup options for older gccs.
# Entries can be recursive - eg:
# -march=k6-3 -> -march=k6 -> -march=pentium -> -march=i486
#
# The format of table is
# gcc_version_in_which_option_was_introduced new_option old_option
if [ -n "$FLAGS" ]; then
gcc_ver=`${CC} -dumpversion | sed 's/^egcs-//'`
FLAGS=`awk -F: -v "flags=$FLAGS" -v "gcc_ver=$gcc_ver" '
{ if (gcc_ver < $1){map[$2] = ""$3} }
END { while (flags in map) {flags = map[flags]} print flags }
' <<EOD
2.90:-march=i386:-mno-486
2.90:-march=i486:-m486
2.90:-march=pentium:-m486
2.90:-march=pentiumpro:-m486
2.90:-mcpu=21164a:
2.90:-mcpu=arm610:-m6
2.90:-mcpu=arm710:-m6
2.90:-mcpu=cypress:-mcypress
2.90:-mcpu=sparclite:-msparclite
2.90:-mcpu=strongarm110:-m6
2.90:-mcpu=supersparc:-msupersparc
2.90:-mcpu=v9:-mv8
2.95:-march=k6:-march=pentium
3.0:-march=athlon:-march=pentiumpro
3.1:-march=athlon-4:-march=pentiumpro
3.1:-march=athlon-mp:-march=pentiumpro
3.1:-march=athlon-tbird:-march=pentiumpro
3.1:-march=athlon-xp:-march=pentiumpro
3.1:-march=k6-2:-march=k6
3.1:-march=k6-3:-march=k6
3.1:-march=pentium-mmx:-march=pentium
3.1:-march=pentium2:-march=pentiumpro
3.1:-march=pentium3 -mno-sse:-march=pentiumpro
3.1:-march=pentium3:-march=pentiumpro
3.1:-march=pentium4:-march=pentiumpro
3.1:-march=r2000:-cpu=r2000
3.1:-march=r3000:-cpu=r3000
3.1:-march=r3900:-cpu=r3900
3.1:-march=r4000:-cpu=r4000
3.1:-march=r4100:-cpu=r4100
3.1:-march=r4300:-cpu=r4300
3.1:-march=r4400:-cpu=r4400
3.1:-march=r4600:-cpu=r4600
3.1:-march=r5000:-cpu=r5000
3.1:-march=r6000:-cpu=r6000
3.1:-march=r8000:-cpu=r8000
3.1:-mcpu=21264a:-mcpu=21264
3.1:-mtune=r2000:-cpu=r2000
3.1:-mtune=r3000:-cpu=r3000
3.1:-mtune=r3900:-cpu=r3900
3.1:-mtune=r4000:-cpu=r4000
3.1:-mtune=r4100:-cpu=r4100
3.1:-mtune=r4300:-cpu=r4300
3.1:-mtune=r4400:-cpu=r4400
3.1:-mtune=r4600:-cpu=r4600
3.1:-mtune=r5000:-cpu=r5000
3.1:-mtune=r6000:-cpu=r6000
3.1:-mtune=r8000:-cpu=r8000
3.3:-march=c3:-march=i586
EOD
`
fi
echo $FLAGS
exit 0
|
