if_tun: Update tun.4 man page to match the code
[dragonfly.git] / share / mk / bsd.cpu.gcc80.mk
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.
4
5 generic_x86_64= x86_64 mmx sse sse2
6 generic_i386=   i386
7
8 .if !defined(CPUTYPE) || empty(CPUTYPE) || ${CPUTYPE} == "native"
9
10 . if defined(CPUTYPE) && ${CPUTYPE:Mnative}
11 _CPUCFLAGS=     -march=native
12 . else
13 _CPUCFLAGS=
14 . endif
15
16 MACHINE_CPU=    ${generic_${MACHINE_ARCH}}
17
18 .else
19
20 ###############################################################################
21 # Logic to set up correct gcc optimization flag.  This must be included
22 # after /etc/make.conf so it can react to the local value of CPUTYPE
23 # defined therein.  Consult:
24 #       https://gcc.gnu.org/onlinedocs/gcc-5.3.0/gcc/x86-Options.html
25 ###############################################################################
26
27 # Some GCC cpu-types have aliases, rename them to a single identifier
28 # If the value for cpu-type is not recognized, throw it away and use -native
29
30 . if ${CPUTYPE} == "k8" \
31   || ${CPUTYPE} == "opteron" \
32   || ${CPUTYPE} == "athlon-fx"
33 CT2=    athlon64
34 . elif ${CPUTYPE} == "k8-sse3" \
35     || ${CPUTYPE} == "opteron-sse3"
36 CT2=    athlon64-sse3
37 . elif ${CPUTYPE} == "amdfam10"
38 CT2=    barcelona
39 . else
40 CT2=    ${CPUTYPE}
41 . endif
42
43 known_x86_64=   athlon64 \
44                 athlon64-sse3 \
45                 barcelona \
46                 bdver1 bdver2 bdver3 bdver4 \
47                 bonnell \
48                 broadwell \
49                 btver1 btver2 \
50                 core2 \
51                 haswell \
52                 i386 \
53                 ivybridge \
54                 knl \
55                 nocona \
56                 nehalem \
57                 sandybridge \
58                 silvermont \
59                 skylake \
60                 skylake-avx512 \
61                 westmere \
62                 znver1
63
64 known_i386=     i386
65
66 . if defined(known_${MACHINE_ARCH}) && \
67      !empty(known_${MACHINE_ARCH}:M${CT2})              # CID: Check CPUTYPE
68
69 # Set up the list of CPU features based on the CPU type.  This is an
70 # unordered list to make it easy for client makefiles to test for the
71 # presence of a CPU feature.
72
73 .  if ${MACHINE_ARCH} == "x86_64"
74 C_nocona=       ${generic_x86_64} sse3
75 C_core2=        ${C_nocona} ssse3
76 C_nehalem=      ${C_core2} sse41 sse42 popcnt
77 C_westmere=     ${C_nehalem} aes pclmul
78 C_sandybridge=  ${C_westmere} avx
79 C_ivybridge=    ${C_sandybridge} fsgsbase rdrnd f16c
80 C_haswell=      ${C_ivybridge} movbe avx2 fma bmi bmi2
81 C_broadwell=    ${C_haswell} rdseed adcx prefetchw
82 C_skylake=      ${C_broadwell} xsavec xsaves clflushop
83 C_knl=          ${C_broadwell} avx512f avx512pf avx512er avx512cd
84 C_bonnell=      ${C_core2} movbe
85 C_silvermont=   ${C_westmere} movbe rdrnd
86 C_skylakeavx512=${C_skylake} pku avx512f avx512vl avx512bw avx512dq avx512cd
87 C_athlon64=     ${generic_x86_64} 3dnow
88 C_athlon64sse3= ${C_athlon64} sse3
89 C_barcelona=    ${C_athlon64sse3} sse4a abm
90 C_bdver1=       ${C_core2} sse4a sse41 sse42 abm fma4 avx xop lwp aes \
91                 pclmul cx16
92 C_bdver2=       ${C_bdver1} bmi f16c fma tbm
93 C_bdver3=       ${C_bdver2} fsgsbase
94 C_bdver4=       ${C_bdver3} bmi2 avx2 movbe
95 C_znver1=       ${C_core2} bmi bmi2 f16c fma fsgsbase avx avx2 adcx rdseed \
96                 mwaitx sha clzero aes pclmul cx16 movbe sse4a sse41 sse42 \
97                 abm xsavec xsaves clflushop popcnt
98 C_btver1=       ${C_barcelona} cx16
99 C_btver2=       ${C_btver1} movbe f16c bmi avx pclmul aes sse41 sse42
100 C_i386=         ${generic_i386}
101
102 .  endif        # end of x86_64 feature list
103
104 # i386 used for 32-bit BIOS-based boot loaders
105
106 .  if ${MACHINE_ARCH} == "i386"
107 C_i386=         ${generic_i386}
108 .  endif        # end of i386 feature list
109
110 _CPUCFLAGS=     -march=${CT2}
111 MACHINE_CPU=    ${C_${CT2:S|-||}}
112
113 . else                                                  # CID: Check CPUTYPE
114
115 # CPUTYPE was defined and was not empty, but the value does not match known
116 # CPU types of the defined MACHINE_ARCH.  Set -march to native and define
117 # generic features based on MACHINE_ARCH
118
119 _CPUCFLAGS=     -march=native
120 MACHINE_CPU=    ${generic_${MACHINE_ARCH}}
121
122 . endif                                                 # CID: Check CPUTYPE
123
124 .endif