#!/bin/sh
# $NetBSD: cpuflags.SunOS,v 1.4 2004/09/23 11:41:10 abs Exp $
PATH=/sbin:/usr/sbin:/bin:/usr/bin:$PATH

if [ "$1" = -v ] ; then
    shift
    opt_v=1
fi
if [ -n "$1" ]; then
    CC=$1
else
    CC=gcc
fi

display_hw_details()
    {
    echo "  OS              : '`uname`'"
    echo "  arch            : '$hw_arch'"
    }

hw_arch=`/usr/bin/uname -m`

case $hw_arch in
    sun4c | sun4 )		FLAGS='-mcpu=cypress' ;;
    sun4m )			FLAGS='-mcpu=supersparc' ;;
    sun4u )			FLAGS='-mcpu=v9' ;;
esac

############
# Everything from this point common between all cpuflags variants.

if [ -n "$opt_v" ] ; then
    if [ -z "$NONE" ] ; then
	echo "CPUFLAGS=Unknown"
    else
	echo "CPUFLAGS=None"
    fi
    display_hw_details
    exit
fi
if [ -z "$FLAGS" -a -z "$NONE" ] ; then
    echo 'Unknown machine - please send details to abs@netbsd.org'	>&2
    display_hw_details							>&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=athlon
3.1:-march=athlon-mp:-march=athlon
3.1:-march=athlon-tbird:-march=athlon
3.1:-march=athlon-xp:-march=athlon
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
3.3:-march=winchip-c6:-march=i586
3.3:-march=winchip2:-march=i586
3.4:-march=athlon64:-march=athlon-xp
3.4:-march=athlon-fx:-march=athlon-xp
3.4:-march=c3-2:-march=c3
3.4:-march=k8:-march=athlon-xp
3.4:-march=nocona:-march=pentium4
3.4:-march=opteron:-march=athlon-xp
3.4:-march=pentium-m:-march=pentium3
3.4:-march=pentium3m:-march=pentium3
3.4:-march=pentium4m:-march=pentium4
3.4:-march=prescott:-march=pentium4
EOD
`
fi

echo $FLAGS

exit 0