f1ecee461a
to determine if they should select code paths suitable for the 80386 CPU. Suggested by: ru
195 lines
6.0 KiB
Makefile
195 lines
6.0 KiB
Makefile
# $FreeBSD$
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# Set default CPU compile flags and baseline CPUTYPE for each arch. The
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# compile flags must support the minimum CPU type for each architecture but
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# may tune support for more advanced processors.
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.if !defined(CPUTYPE) || empty(CPUTYPE)
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_CPUCFLAGS =
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. if ${MACHINE_ARCH} == "i386"
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MACHINE_CPU = i486
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. elif ${MACHINE_ARCH} == "alpha"
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_CPUCFLAGS = -mcpu=ev4 -mtune=ev5
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MACHINE_CPU = ev4
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. elif ${MACHINE_ARCH} == "amd64"
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MACHINE_CPU = amd64 sse2 sse
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. elif ${MACHINE_ARCH} == "ia64"
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MACHINE_CPU = itanium
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. elif ${MACHINE_ARCH} == "sparc64"
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. elif ${MACHINE_ARCH} == "arm"
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MACHINE_CPU = arm
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. endif
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.else
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# Handle aliases (not documented in make.conf to avoid user confusion
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# between e.g. i586 and pentium)
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. if ${MACHINE_ARCH} == "i386"
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. if ${CPUTYPE} == "nocona"
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CPUTYPE = prescott
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. elif ${CPUTYPE} == "p4"
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CPUTYPE = pentium4
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. elif ${CPUTYPE} == "p4m"
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CPUTYPE = pentium4m
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. elif ${CPUTYPE} == "p3"
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CPUTYPE = pentium3
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. elif ${CPUTYPE} == "p3m"
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CPUTYPE = pentium3m
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. elif ${CPUTYPE} == "p-m"
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CPUTYPE = pentium-m
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. elif ${CPUTYPE} == "p2"
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CPUTYPE = pentium2
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. elif ${CPUTYPE} == "i686"
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CPUTYPE = pentiumpro
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. elif ${CPUTYPE} == "i586/mmx"
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CPUTYPE = pentium-mmx
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. elif ${CPUTYPE} == "i586"
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CPUTYPE = pentium
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. elif ${CPUTYPE} == "opteron" || ${CPUTYPE} == "athlon64" || \
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${CPUTYPE} == "k8"
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CPUTYPE = athlon-mp
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. elif ${CPUTYPE} == "k7"
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CPUTYPE = athlon
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. endif
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. elif ${MACHINE_ARCH} == "amd64"
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. if ${CPUTYPE} == "prescott"
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CPUTYPE = nocona
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. endif
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. endif
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###############################################################################
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# Logic to set up correct gcc optimization flag. This must be included
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# after /etc/make.conf so it can react to the local value of CPUTYPE
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# defined therein. Consult:
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# http://gcc.gnu.org/onlinedocs/gcc/DEC-Alpha-Options.html
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# http://gcc.gnu.org/onlinedocs/gcc/IA-64-Options.html
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# http://gcc.gnu.org/onlinedocs/gcc/RS-6000-and-PowerPC-Options.html
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# http://gcc.gnu.org/onlinedocs/gcc/SPARC-Options.html
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# http://gcc.gnu.org/onlinedocs/gcc/i386-and-x86-64-Options.html
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. if ${MACHINE_ARCH} == "i386"
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. if ${CPUTYPE} == "crusoe"
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_CPUCFLAGS = -march=i686 -falign-functions=0 -falign-jumps=0 -falign-loops=0
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. elif ${CPUTYPE} == "k5"
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_CPUCFLAGS = -march=pentium
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. else
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_CPUCFLAGS = -march=${CPUTYPE}
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. endif # GCC on 'i386'
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. if ${CPUTYPE} == "crusoe"
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_ICC_CPUCFLAGS = -tpp6 -xiM
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. elif ${CPUTYPE} == "athlon-mp" || ${CPUTYPE} == "athlon-xp" || \
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${CPUTYPE} == "athlon-4"
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_ICC_CPUCFLAGS = -tpp6 -xiMK
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. elif ${CPUTYPE} == "athlon-tbird" || ${CPUTYPE} == "athlon"
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_ICC_CPUCFLAGS = -tpp6 -xiM
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. elif ${CPUTYPE} == "k6-3" || ${CPUTYPE} == "k6-2" || ${CPUTYPE} == "k6"
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_ICC_CPUCFLAGS = -tpp6 -xi
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. elif ${CPUTYPE} == "k5"
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_ICC_CPUCFLAGS = -tpp5
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. elif ${CPUTYPE} == "pentium4" || ${CPUTYPE} == "pentium4m"
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_ICC_CPUCFLAGS = -tpp7 -xiMKW
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. elif ${CPUTYPE} == "pentium3" || ${CPUTYPE} == "pentium3m" || \
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${CPUTYPE} == "pentium-m"
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_ICC_CPUCFLAGS = -tpp6 -xiMK
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. elif ${CPUTYPE} == "pentium2" || ${CPUTYPE} == "pentiumpro"
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_ICC_CPUCFLAGS = -tpp6 -xiM
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. elif ${CPUTYPE} == "pentium-mmx"
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_ICC_CPUCFLAGS = -tpp5 -xM
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. elif ${CPUTYPE} == "pentium"
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_ICC_CPUCFLAGS = -tpp5
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. else
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_ICC_CPUCFLAGS =
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. endif # ICC on 'i386'
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. if ${CPUTYPE} == "i386"
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CFLAGS += -DI386_CPU
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. endif
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. elif ${MACHINE_ARCH} == "alpha"
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_CPUCFLAGS = -mcpu=${CPUTYPE}
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. elif ${MACHINE_ARCH} == "amd64"
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_CPUCFLAGS = -march=${CPUTYPE}
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. elif ${MACHINE_ARCH} == "arm"
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. if ${CPUTYPE} == "xscale"
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#XXX: gcc doesn't seem to like -mcpu=xscale, and dies while rebuilding itself
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#_CPUCFLAGS = -mcpu=xscale
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_CPUCFLAGS = -D__XSCALE__
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. else
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_CPUCFLAGS = -mcpu=${CPUTYPE}
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. endif
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. endif
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# Set up the list of CPU features based on the CPU type. This is an
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# unordered list to make it easy for client makefiles to test for the
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# presence of a CPU feature.
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. if ${MACHINE_ARCH} == "i386"
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. if ${CPUTYPE} == "opteron" || ${CPUTYPE} == "athlon64"
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MACHINE_CPU = athlon-xp athlon k7 3dnow sse2 sse mmx k6 k5 i586 i486 i386
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. elif ${CPUTYPE} == "athlon-mp" || ${CPUTYPE} == "athlon-xp" || \
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${CPUTYPE} == "athlon-4"
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MACHINE_CPU = athlon-xp athlon k7 3dnow sse mmx k6 k5 i586 i486 i386
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. elif ${CPUTYPE} == "athlon" || ${CPUTYPE} == "athlon-tbird"
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MACHINE_CPU = athlon k7 3dnow mmx k6 k5 i586 i486 i386
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. elif ${CPUTYPE} == "k6-3" || ${CPUTYPE} == "k6-2"
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MACHINE_CPU = 3dnow mmx k6 k5 i586 i486 i386
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. elif ${CPUTYPE} == "k6"
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MACHINE_CPU = mmx k6 k5 i586 i486 i386
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. elif ${CPUTYPE} == "k5"
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MACHINE_CPU = k5 i586 i486 i386
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. elif ${CPUTYPE} == "pentium4" || ${CPUTYPE} == "pentium4m" || ${CPUTYPE} == "pentium-m"
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MACHINE_CPU = sse2 sse i686 mmx i586 i486 i386
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. elif ${CPUTYPE} == "pentium3" || ${CPUTYPE} == "pentium3m"
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MACHINE_CPU = sse i686 mmx i586 i486 i386
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. elif ${CPUTYPE} == "pentium2"
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MACHINE_CPU = i686 mmx i586 i486 i386
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. elif ${CPUTYPE} == "pentiumpro"
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MACHINE_CPU = i686 i586 i486 i386
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. elif ${CPUTYPE} == "pentium-mmx"
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MACHINE_CPU = mmx i586 i486 i386
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. elif ${CPUTYPE} == "pentium"
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MACHINE_CPU = i586 i486 i386
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. elif ${CPUTYPE} == "i486"
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MACHINE_CPU = i486 i386
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. elif ${CPUTYPE} == "i386"
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MACHINE_CPU = i386
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. endif
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. elif ${MACHINE_ARCH} == "alpha"
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. if ${CPUTYPE} == "ev6"
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MACHINE_CPU = ev6 ev56 pca56 ev5 ev45 ev4
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. elif ${CPUTYPE} == "pca56"
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MACHINE_CPU = pca56 ev56 ev5 ev45 ev4
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. elif ${CPUTYPE} == "ev56"
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MACHINE_CPU = ev56 ev5 ev45 ev4
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. elif ${CPUTYPE} == "ev5"
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MACHINE_CPU = ev5 ev45 ev4
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. elif ${CPUTYPE} == "ev45"
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MACHINE_CPU = ev45 ev4
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. elif ${CPUTYPE} == "ev4"
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MACHINE_CPU = ev4
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. endif
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. elif ${MACHINE_ARCH} == "amd64"
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. if ${CPUTYPE} == "opteron" || ${CPUTYPE} == "athlon64" || ${CPUTYPE} == "k8"
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MACHINE_CPU = amd64 k8 athlon-mp athlon k7 3dnow sse2 sse mmx k6 k5 i586 i486 i386
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. elif ${CPUTYPE} == "nocona"
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MACHINE_CPU = sse3 sse2 sse mmx
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. endif
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. elif ${MACHINE_ARCH} == "ia64"
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. if ${CPUTYPE} == "itanium"
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MACHINE_CPU = itanium
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. endif
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. endif
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.endif
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.if ${MACHINE_ARCH} == "alpha"
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_CPUCFLAGS += -mieee
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.endif
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# NB: COPTFLAGS is handled in /usr/src/sys/conf/kern.pre.mk
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.if !defined(NO_CPU_CFLAGS)
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. if ${CC} == "icc"
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CFLAGS += ${_ICC_CPUCFLAGS}
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. else
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CFLAGS += ${_CPUCFLAGS}
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. endif
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.endif
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