1 # Set default CPU compile flags and baseline CPUTYPE for each arch. The
2 # compile flags must support the minimum CPU type for each architecture but
3 # may tune support for more advanced processors.
5 generic_x86_64= x86_64 mmx sse sse2
7 .if !defined(CPUTYPE) || empty(CPUTYPE) || ${CPUTYPE} == "native"
9 . if defined(CPUTYPE) && ${CPUTYPE:Mnative}
10 _CPUCFLAGS= -march=native
15 MACHINE_CPU= ${generic_${MACHINE_ARCH}}
19 ###############################################################################
20 # Logic to set up correct gcc optimization flag. This must be included
21 # after /etc/make.conf so it can react to the local value of CPUTYPE
22 # defined therein. Consult:
23 # https://gcc.gnu.org/onlinedocs/gcc-5.3.0/gcc/x86-Options.html
24 ###############################################################################
26 # Some GCC cpu-types have aliases, rename them to a single identifier
27 # If the value for cpu-type is not recognized, throw it away and use -native
29 . if ${CPUTYPE} == "k8" \
30 || ${CPUTYPE} == "opteron" \
31 || ${CPUTYPE} == "athlon-fx"
33 . elif ${CPUTYPE} == "k8-sse3" \
34 || ${CPUTYPE} == "opteron-sse3"
36 . elif ${CPUTYPE} == "amdfam10"
42 known_x86_64= athlon64 \
45 bdver1 bdver2 bdver3 bdver4 \
62 . if defined(known_${MACHINE_ARCH}) && \
63 !empty(known_${MACHINE_ARCH}:M${CT2}) # CID: Check CPUTYPE
65 # Set up the list of CPU features based on the CPU type. This is an
66 # unordered list to make it easy for client makefiles to test for the
67 # presence of a CPU feature.
69 . if ${MACHINE_ARCH} == "x86_64"
70 C_nocona= ${generic_x86_64} sse3
71 C_core2= ${C_nocona} ssse3
72 C_nehalem= ${C_core2} sse41 sse42 popcnt
73 C_westmere= ${C_nehalem} aes pclmul
74 C_sandybridge= ${C_westmere} avx
75 C_ivybridge= ${C_sandybridge} fsgsbase rdrnd f16c
76 C_haswell= ${C_ivybridge} movbe avx2 fma bmi bmi2
77 C_broadwell= ${C_haswell} rdseed adcx prefetchw
78 C_skylake= ${C_broadwell} xsavec xsaves clflushop
79 C_knl= ${C_broadwell} avx512f avx512pf avx512er avx512cd
80 C_bonnell= ${C_core2} movbe
81 C_silvermont= ${C_westmere} movbe rdrnd
82 C_skylakeavx512=${C_skylake} pku avx512f avx512vl avx512bw avx512dq avx512cd
83 C_athlon64= ${generic_x86_64} 3dnow
84 C_athlon64sse3= ${C_athlon64} sse3
85 C_barcelona= ${C_athlon64sse3} sse4a abm
86 C_bdver1= ${C_core2} sse4a sse41 sse42 abm fma4 avx xop lwp aes \
88 C_bdver2= ${C_bdver1} bmi f16c fma tbm
89 C_bdver3= ${C_bdver2} fsgsbase
90 C_bdver4= ${C_bdver3} bmi2 avx2 movbe
91 C_znver1= ${C_core2} bmi bmi2 f16c fma fsgsbase avx avx2 adcx rdseed \
92 mwaitx sha clzero aes pclmul cx16 movbe sse4a sse41 sse42 \
93 abm xsavec xsaves clflushop popcnt
94 C_btver1= ${C_barcelona} cx16
95 C_btver2= ${C_btver1} movbe f16c bmi avx pclmul aes sse41 sse42
97 . endif # end of x86_64 feature list
99 _CPUCFLAGS= -march=${CT2}
100 MACHINE_CPU= ${C_${CT2:S|-||}}
102 . else # CID: Check CPUTYPE
104 # CPUTYPE was defined and was not empty, but the value does not match known
105 # CPU types of the defined MACHINE_ARCH. Set -march to native and define
106 # generic features based on MACHINE_ARCH
108 _CPUCFLAGS= -march=native
109 MACHINE_CPU= ${generic_${MACHINE_ARCH}}
111 . endif # CID: Check CPUTYPE