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# $NetBSD: subr_gcc,v 1.6 2009/01/12 22:11:58 abs Exp $
# Return gcc version string
gcc_ver()
{
gcc=$1
${gcc} -dumpversion | $SED -e 's/^[^0-9\.]\{1,\}//' -e 's/[^0-9\.]\{1,\}$//'
}
gcc_ser()
{
gcc=$1
gcc_ver $gcc | $AWK -F. '{ print ($1*1000+$2)}'
}
gcc_fixup_arch_flags()
{
gcc=$1
shift
gcc_arch_flags="$*"
# 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
$AWK -F: -v "flags=$gcc_arch_flags" -v "gcc_ver=$(gcc_ver $gcc)" '
{ if (gcc_ver < $1) { map[$2] = ""$3 } }
END {
FS=" "; split(flags, flaglist);
for (af in flaglist) {
flag = flaglist[af];
while (flag in map) {
flag = map[flag]
}
print flag
}
}
' <<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:-mcpu=7400:-mcpu=750
3.1:-mcpu=7450:-mcpu=750
3.1:-mfpmath=sse:
3.1:-mmmx:
3.1:-msse2:
3.1:-msse:
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=athlon-fx:-march=athlon-xp
3.4:-march=athlon64:-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
3.4:-msse3:
4.2:-m3dnow:
4.2:-march=native:
4.3:-march=amdfam10:-march=athlon64
4.3:-march=athlon64-sse3:-march=athlon64
4.3:-march=barcelona:-march=athlon64
4.3:-march=core2:-march=nocona
4.3:-march=geode:-march=k6-3
4.3:-march=k8-sse3:-march=k8
4.3:-march=opteron-sse3:-march=opteron
EOD
}
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