freebsd-skq/share/mk/bsd.cpu.mk
2006-10-19 22:51:26 +00:00

180 lines
5.6 KiB
Makefile

# $FreeBSD$
# Set default CPU compile flags and baseline CPUTYPE for each arch. The
# compile flags must support the minimum CPU type for each architecture but
# may tune support for more advanced processors.
.if !defined(CPUTYPE) || empty(CPUTYPE)
_CPUCFLAGS =
. if ${MACHINE_ARCH} == "i386"
MACHINE_CPU = i486
. elif ${MACHINE_ARCH} == "amd64"
MACHINE_CPU = amd64 sse2 sse
. elif ${MACHINE_ARCH} == "ia64"
MACHINE_CPU = itanium
. elif ${MACHINE_ARCH} == "sparc64"
. elif ${MACHINE_ARCH} == "arm"
MACHINE_CPU = arm
. endif
.else
# Handle aliases (not documented in make.conf to avoid user confusion
# between e.g. i586 and pentium)
. if ${MACHINE_ARCH} == "i386"
. if ${CPUTYPE} == "nocona"
CPUTYPE = prescott
. elif ${CPUTYPE} == "p4"
CPUTYPE = pentium4
. elif ${CPUTYPE} == "p4m"
CPUTYPE = pentium4m
. elif ${CPUTYPE} == "p3"
CPUTYPE = pentium3
. elif ${CPUTYPE} == "p3m"
CPUTYPE = pentium3m
. elif ${CPUTYPE} == "p-m"
CPUTYPE = pentium-m
. elif ${CPUTYPE} == "p2"
CPUTYPE = pentium2
. elif ${CPUTYPE} == "i686"
CPUTYPE = pentiumpro
. elif ${CPUTYPE} == "i586/mmx"
CPUTYPE = pentium-mmx
. elif ${CPUTYPE} == "i586"
CPUTYPE = pentium
. elif ${CPUTYPE} == "opteron" || ${CPUTYPE} == "athlon64" || \
${CPUTYPE} == "k8"
CPUTYPE = athlon-mp
. elif ${CPUTYPE} == "k7"
CPUTYPE = athlon
. endif
. elif ${MACHINE_ARCH} == "amd64"
. if ${CPUTYPE} == "prescott"
CPUTYPE = nocona
. endif
. endif
###############################################################################
# Logic to set up correct gcc optimization flag. This must be included
# after /etc/make.conf so it can react to the local value of CPUTYPE
# defined therein. Consult:
# http://gcc.gnu.org/onlinedocs/gcc/ARM-Options.html
# http://gcc.gnu.org/onlinedocs/gcc/IA-64-Options.html
# http://gcc.gnu.org/onlinedocs/gcc/RS-6000-and-PowerPC-Options.html
# http://gcc.gnu.org/onlinedocs/gcc/SPARC-Options.html
# http://gcc.gnu.org/onlinedocs/gcc/i386-and-x86-64-Options.html
. if ${MACHINE_ARCH} == "i386"
. if ${CPUTYPE} == "crusoe"
_CPUCFLAGS = -march=i686 -falign-functions=0 -falign-jumps=0 -falign-loops=0
. elif ${CPUTYPE} == "k5"
_CPUCFLAGS = -march=pentium
. else
_CPUCFLAGS = -march=${CPUTYPE}
. endif # GCC on 'i386'
. if ${CPUTYPE} == "crusoe"
_ICC_CPUCFLAGS = -tpp6 -xiM
. elif ${CPUTYPE} == "athlon-mp" || ${CPUTYPE} == "athlon-xp" || \
${CPUTYPE} == "athlon-4"
_ICC_CPUCFLAGS = -tpp6 -xiMK
. elif ${CPUTYPE} == "athlon-tbird" || ${CPUTYPE} == "athlon"
_ICC_CPUCFLAGS = -tpp6 -xiM
. elif ${CPUTYPE} == "k6-3" || ${CPUTYPE} == "k6-2" || ${CPUTYPE} == "k6"
_ICC_CPUCFLAGS = -tpp6 -xi
. elif ${CPUTYPE} == "k5"
_ICC_CPUCFLAGS = -tpp5
. elif ${CPUTYPE} == "pentium4" || ${CPUTYPE} == "pentium4m"
_ICC_CPUCFLAGS = -tpp7 -xiMKW
. elif ${CPUTYPE} == "pentium3" || ${CPUTYPE} == "pentium3m" || \
${CPUTYPE} == "pentium-m"
_ICC_CPUCFLAGS = -tpp6 -xiMK
. elif ${CPUTYPE} == "pentium2" || ${CPUTYPE} == "pentiumpro"
_ICC_CPUCFLAGS = -tpp6 -xiM
. elif ${CPUTYPE} == "pentium-mmx"
_ICC_CPUCFLAGS = -tpp5 -xM
. elif ${CPUTYPE} == "pentium"
_ICC_CPUCFLAGS = -tpp5
. else
_ICC_CPUCFLAGS =
. endif # ICC on 'i386'
. elif ${MACHINE_ARCH} == "amd64"
_CPUCFLAGS = -march=${CPUTYPE}
. elif ${MACHINE_ARCH} == "arm"
. if ${CPUTYPE} == "xscale"
#XXX: gcc doesn't seem to like -mcpu=xscale, and dies while rebuilding itself
#_CPUCFLAGS = -mcpu=xscale
_CPUCFLAGS = -march=armv5te -D__XSCALE__
. else
_CPUCFLAGS = -mcpu=${CPUTYPE}
. endif
. endif
# Set up the list of CPU features based on the CPU type. This is an
# unordered list to make it easy for client makefiles to test for the
# presence of a CPU feature.
. if ${MACHINE_ARCH} == "i386"
. if ${CPUTYPE} == "opteron" || ${CPUTYPE} == "athlon64"
MACHINE_CPU = athlon-xp athlon k7 3dnow sse2 sse mmx k6 k5 i586 i486 i386
. elif ${CPUTYPE} == "athlon-mp" || ${CPUTYPE} == "athlon-xp" || \
${CPUTYPE} == "athlon-4"
MACHINE_CPU = athlon-xp athlon k7 3dnow sse mmx k6 k5 i586 i486 i386
. elif ${CPUTYPE} == "athlon" || ${CPUTYPE} == "athlon-tbird"
MACHINE_CPU = athlon k7 3dnow mmx k6 k5 i586 i486 i386
. elif ${CPUTYPE} == "k6-3" || ${CPUTYPE} == "k6-2"
MACHINE_CPU = 3dnow mmx k6 k5 i586 i486 i386
. elif ${CPUTYPE} == "k6"
MACHINE_CPU = mmx k6 k5 i586 i486 i386
. elif ${CPUTYPE} == "k5"
MACHINE_CPU = k5 i586 i486 i386
. elif ${CPUTYPE} == "c3"
MACHINE_CPU = 3dnow mmx i586 i486 i386
. elif ${CPUTYPE} == "c3-2"
MACHINE_CPU = sse mmx i586 i486 i386
. elif ${CPUTYPE} == "pentium4" || ${CPUTYPE} == "pentium4m" || ${CPUTYPE} == "pentium-m"
MACHINE_CPU = sse2 sse i686 mmx i586 i486 i386
. elif ${CPUTYPE} == "pentium3" || ${CPUTYPE} == "pentium3m"
MACHINE_CPU = sse i686 mmx i586 i486 i386
. elif ${CPUTYPE} == "pentium2"
MACHINE_CPU = i686 mmx i586 i486 i386
. elif ${CPUTYPE} == "pentiumpro"
MACHINE_CPU = i686 i586 i486 i386
. elif ${CPUTYPE} == "pentium-mmx"
MACHINE_CPU = mmx i586 i486 i386
. elif ${CPUTYPE} == "pentium"
MACHINE_CPU = i586 i486 i386
. elif ${CPUTYPE} == "i486"
MACHINE_CPU = i486 i386
. elif ${CPUTYPE} == "i386"
MACHINE_CPU = i386
. endif
. elif ${MACHINE_ARCH} == "amd64"
. if ${CPUTYPE} == "opteron" || ${CPUTYPE} == "athlon64" || ${CPUTYPE} == "k8"
MACHINE_CPU = k8 3dnow
. elif ${CPUTYPE} == "nocona"
MACHINE_CPU = sse3
. endif
MACHINE_CPU += amd64 sse2 sse mmx
. elif ${MACHINE_ARCH} == "ia64"
. if ${CPUTYPE} == "itanium"
MACHINE_CPU = itanium
. endif
. endif
.endif
.if ${MACHINE_ARCH} == "arm" && defined(TARGET_BIG_ENDIAN)
CFLAGS += -mbig-endian
LDFLAGS += -mbig-endian
LD += -EB
.endif
# NB: COPTFLAGS is handled in /usr/src/sys/conf/kern.pre.mk
.if !defined(NO_CPU_CFLAGS)
. if ${CC} == "icc"
CFLAGS += ${_ICC_CPUCFLAGS}
. else
CFLAGS += ${_CPUCFLAGS}
. endif
.endif