3 # Set default CPU compile flags and baseline CPUTYPE for each arch. The
4 # compile flags must support the minimum CPU type for each architecture but
5 # may tune support for more advanced processors.
7 .if !defined(CPUTYPE) || empty(CPUTYPE)
9 . if ${MACHINE_CPUARCH} == "aarch64"
11 . elif ${MACHINE_CPUARCH} == "amd64"
12 MACHINE_CPU = amd64 sse2 sse mmx
13 . elif ${MACHINE_CPUARCH} == "arm"
15 . elif ${MACHINE_CPUARCH} == "i386"
17 . elif ${MACHINE_CPUARCH} == "mips"
19 . elif ${MACHINE_CPUARCH} == "powerpc"
21 . elif ${MACHINE_CPUARCH} == "riscv"
23 . elif ${MACHINE_CPUARCH} == "sparc64"
24 MACHINE_CPU = ultrasparc
28 # Handle aliases (not documented in make.conf to avoid user confusion
29 # between e.g. i586 and pentium)
31 . if ${MACHINE_CPUARCH} == "amd64" || ${MACHINE_CPUARCH} == "i386"
32 . if ${CPUTYPE} == "barcelona"
34 . elif ${CPUTYPE} == "skx"
35 CPUTYPE = skylake-avx512
36 . elif ${CPUTYPE} == "core-avx2"
38 . elif ${CPUTYPE} == "core-avx-i"
40 . elif ${CPUTYPE} == "corei7-avx"
42 . elif ${CPUTYPE} == "corei7"
44 . elif ${CPUTYPE} == "slm"
46 . elif ${CPUTYPE} == "atom"
48 . elif ${CPUTYPE} == "core"
51 . if ${MACHINE_CPUARCH} == "amd64"
52 . if ${CPUTYPE} == "prescott"
56 . if ${CPUTYPE} == "k7"
58 . elif ${CPUTYPE} == "p4"
60 . elif ${CPUTYPE} == "p4m"
62 . elif ${CPUTYPE} == "p3"
64 . elif ${CPUTYPE} == "p3m"
66 . elif ${CPUTYPE} == "p-m"
68 . elif ${CPUTYPE} == "p2"
70 . elif ${CPUTYPE} == "i686"
72 . elif ${CPUTYPE} == "i586/mmx"
74 . elif ${CPUTYPE} == "i586"
78 . elif ${MACHINE_ARCH} == "sparc64"
79 . if ${CPUTYPE} == "us"
81 . elif ${CPUTYPE} == "us3"
86 ###############################################################################
87 # Logic to set up correct gcc optimization flag. This must be included
88 # after /etc/make.conf so it can react to the local value of CPUTYPE
89 # defined therein. Consult:
90 # http://gcc.gnu.org/onlinedocs/gcc/ARM-Options.html
91 # http://gcc.gnu.org/onlinedocs/gcc/RS-6000-and-PowerPC-Options.html
92 # http://gcc.gnu.org/onlinedocs/gcc/MIPS-Options.html
93 # http://gcc.gnu.org/onlinedocs/gcc/SPARC-Options.html
94 # http://gcc.gnu.org/onlinedocs/gcc/i386-and-x86_002d64-Options.html
96 . if ${MACHINE_CPUARCH} == "i386"
97 . if ${CPUTYPE} == "crusoe"
98 _CPUCFLAGS = -march=i686 -falign-functions=0 -falign-jumps=0 -falign-loops=0
99 . elif ${CPUTYPE} == "k5"
100 _CPUCFLAGS = -march=pentium
101 . elif ${CPUTYPE} == "c7"
102 _CPUCFLAGS = -march=c3-2
104 _CPUCFLAGS = -march=${CPUTYPE}
106 . elif ${MACHINE_CPUARCH} == "amd64"
107 _CPUCFLAGS = -march=${CPUTYPE}
108 . elif ${MACHINE_CPUARCH} == "arm"
109 . if ${CPUTYPE} == "xscale"
110 #XXX: gcc doesn't seem to like -mcpu=xscale, and dies while rebuilding itself
111 #_CPUCFLAGS = -mcpu=xscale
112 _CPUCFLAGS = -march=armv5te -D__XSCALE__
113 . elif ${CPUTYPE:M*soft*} != ""
114 _CPUCFLAGS = -mfloat-abi=softfp
115 . elif ${CPUTYPE} == "armv6"
116 # Not sure we still need ARM_ARCH_6=1 here.
117 _CPUCFLAGS = -march=${CPUTYPE} -DARM_ARCH_6=1
118 . elif ${CPUTYPE} == "cortexa"
119 _CPUCFLAGS = -march=armv7 -DARM_ARCH_6=1 -mfpu=vfp
120 . elif ${CPUTYPE:Marmv[4567]*} != ""
121 # Handle all the armvX types that FreeBSD runs:
122 # armv4, armv4t, armv5, armv5te, armv6, armv6t2, armv7, armv7-a, armv7ve
123 # they require -march=. All the others require -mcpu=.
124 _CPUCFLAGS = -march=${CPUTYPE}
126 # Common values for FreeBSD
127 # arm: (any arm v4 or v5 processor you are targeting)
128 # arm920t, arm926ej-s, marvell-pj4, fa526, fa626,
129 # fa606te, fa626te, fa726te
130 # armv6: (any arm v7 or v8 processor you are targeting and the arm1176jzf-s)
131 # arm1176jzf-s, generic-armv7-a, cortex-a5, cortex-a7, cortex-a8,
132 # cortex-a9, cortex-a12, cortex-a15, cortex-a17, cortex-a53, cortex-a57,
133 # cortex-a72, exynos-m1
134 _CPUCFLAGS = -mcpu=${CPUTYPE}
136 . elif ${MACHINE_ARCH} == "powerpc"
137 . if ${CPUTYPE} == "e500"
138 _CPUCFLAGS = -Wa,-me500 -msoft-float
140 _CPUCFLAGS = -mcpu=${CPUTYPE} -mno-powerpc64
142 . elif ${MACHINE_ARCH} == "powerpc64"
143 _CPUCFLAGS = -mcpu=${CPUTYPE}
144 . elif ${MACHINE_CPUARCH} == "mips"
145 # mips[1234], mips32, mips64, and all later releases need to have mips
146 # preserved (releases later than r2 require external toolchain)
147 . if ${CPUTYPE:Mmips32*} != "" || ${CPUTYPE:Mmips64*} != "" || \
148 ${CPUTYPE:Mmips[1234]} != ""
149 _CPUCFLAGS = -march=${CPUTYPE}
151 # Default -march to the CPUTYPE passed in, with mips stripped off so we
152 # accept either mips4kc or 4kc, mostly for historical reasons
153 # Typical values for cores:
154 # 4kc, 24kc, 34kc, 74kc, 1004kc, octeon, octeon+, octeon2, octeon3,
156 _CPUCFLAGS = -march=${CPUTYPE:S/^mips//}
158 . elif ${MACHINE_CPUARCH} == "riscv"
159 _CPUCFLAGS = -msoft-float # -march="RV64I" # RISCVTODO
160 . elif ${MACHINE_ARCH} == "sparc64"
161 . if ${CPUTYPE} == "v9"
162 _CPUCFLAGS = -mcpu=v9
163 . elif ${CPUTYPE} == "ultrasparc"
164 _CPUCFLAGS = -mcpu=ultrasparc
165 . elif ${CPUTYPE} == "ultrasparc3"
166 _CPUCFLAGS = -mcpu=ultrasparc3
168 . elif ${MACHINE_CPUARCH} == "aarch64"
169 _CPUCFLAGS = -mcpu=${CPUTYPE}
172 # Set up the list of CPU features based on the CPU type. This is an
173 # unordered list to make it easy for client makefiles to test for the
174 # presence of a CPU feature.
177 . if ${MACHINE_CPUARCH} == "i386"
178 . if ${CPUTYPE} == "znver1"
179 MACHINE_CPU = avx2 avx sse42 sse41 ssse3 sse4a sse3 sse2 sse mmx k6 k5 i586
180 . elif ${CPUTYPE} == "bdver4"
181 MACHINE_CPU = xop avx2 avx sse42 sse41 ssse3 sse4a sse3 sse2 sse mmx k6 k5 i586
182 . elif ${CPUTYPE} == "bdver3" || ${CPUTYPE} == "bdver2" || \
183 ${CPUTYPE} == "bdver1"
184 MACHINE_CPU = xop avx sse42 sse41 ssse3 sse4a sse3 sse2 sse mmx k6 k5 i586
185 . elif ${CPUTYPE} == "btver2"
186 MACHINE_CPU = avx sse42 sse41 ssse3 sse4a sse3 sse2 sse mmx k6 k5 i586
187 . elif ${CPUTYPE} == "btver1"
188 MACHINE_CPU = ssse3 sse4a sse3 sse2 sse mmx k6 k5 i586
189 . elif ${CPUTYPE} == "amdfam10"
190 MACHINE_CPU = athlon-xp athlon k7 3dnow sse4a sse3 sse2 sse mmx k6 k5 i586
191 . elif ${CPUTYPE} == "opteron-sse3" || ${CPUTYPE} == "athlon64-sse3"
192 MACHINE_CPU = athlon-xp athlon k7 3dnow sse3 sse2 sse mmx k6 k5 i586
193 . elif ${CPUTYPE} == "opteron" || ${CPUTYPE} == "athlon64" || \
194 ${CPUTYPE} == "athlon-fx"
195 MACHINE_CPU = athlon-xp athlon k7 3dnow sse2 sse mmx k6 k5 i586
196 . elif ${CPUTYPE} == "athlon-mp" || ${CPUTYPE} == "athlon-xp" || \
197 ${CPUTYPE} == "athlon-4"
198 MACHINE_CPU = athlon-xp athlon k7 3dnow sse mmx k6 k5 i586
199 . elif ${CPUTYPE} == "athlon" || ${CPUTYPE} == "athlon-tbird"
200 MACHINE_CPU = athlon k7 3dnow mmx k6 k5 i586
201 . elif ${CPUTYPE} == "k6-3" || ${CPUTYPE} == "k6-2" || ${CPUTYPE} == "geode"
202 MACHINE_CPU = 3dnow mmx k6 k5 i586
203 . elif ${CPUTYPE} == "k6"
204 MACHINE_CPU = mmx k6 k5 i586
205 . elif ${CPUTYPE} == "k5"
206 MACHINE_CPU = k5 i586
207 . elif ${CPUTYPE} == "icelake-server" || ${CPUTYPE} == "icelake-client" || \
208 ${CPUTYPE} == "cannonlake" || ${CPUTYPE} == "knm" || \
209 ${CPUTYPE} == "skylake-avx512" || ${CPUTYPE} == "knl"
210 MACHINE_CPU = avx512 avx2 avx sse42 sse41 ssse3 sse3 sse2 sse i686 mmx i586
211 . elif ${CPUTYPE} == "skylake" || ${CPUTYPE} == "broadwell" || \
212 ${CPUTYPE} == "haswell"
213 MACHINE_CPU = avx2 avx sse42 sse41 ssse3 sse3 sse2 sse i686 mmx i586
214 . elif ${CPUTYPE} == "ivybridge" || ${CPUTYPE} == "sandybridge"
215 MACHINE_CPU = avx sse42 sse41 ssse3 sse3 sse2 sse i686 mmx i586
216 . elif ${CPUTYPE} == "tremont" || ${CPUTYPE} == "goldmont-plus" || \
217 ${CPUTYPE} == "goldmont" || ${CPUTYPE} == "westmere" || \
218 ${CPUTYPE} == "nehalem" || ${CPUTYPE} == "silvermont"
219 MACHINE_CPU = sse42 sse41 ssse3 sse3 sse2 sse i686 mmx i586
220 . elif ${CPUTYPE} == "penryn"
221 MACHINE_CPU = sse41 ssse3 sse3 sse2 sse i686 mmx i586
222 . elif ${CPUTYPE} == "core2" || ${CPUTYPE} == "bonnell"
223 MACHINE_CPU = ssse3 sse3 sse2 sse i686 mmx i586
224 . elif ${CPUTYPE} == "yonah" || ${CPUTYPE} == "prescott"
225 MACHINE_CPU = sse3 sse2 sse i686 mmx i586
226 . elif ${CPUTYPE} == "pentium4" || ${CPUTYPE} == "pentium4m" || \
227 ${CPUTYPE} == "pentium-m"
228 MACHINE_CPU = sse2 sse i686 mmx i586
229 . elif ${CPUTYPE} == "pentium3" || ${CPUTYPE} == "pentium3m"
230 MACHINE_CPU = sse i686 mmx i586
231 . elif ${CPUTYPE} == "pentium2"
232 MACHINE_CPU = i686 mmx i586
233 . elif ${CPUTYPE} == "pentiumpro"
234 MACHINE_CPU = i686 i586
235 . elif ${CPUTYPE} == "pentium-mmx"
236 MACHINE_CPU = mmx i586
237 . elif ${CPUTYPE} == "pentium"
239 . elif ${CPUTYPE} == "c7"
240 MACHINE_CPU = sse3 sse2 sse i686 mmx i586
241 . elif ${CPUTYPE} == "c3-2"
242 MACHINE_CPU = sse i686 mmx i586
243 . elif ${CPUTYPE} == "c3"
244 MACHINE_CPU = 3dnow mmx i586
245 . elif ${CPUTYPE} == "winchip2"
246 MACHINE_CPU = 3dnow mmx
247 . elif ${CPUTYPE} == "winchip-c6"
252 . elif ${MACHINE_CPUARCH} == "amd64"
253 . if ${CPUTYPE} == "znver1"
254 MACHINE_CPU = avx2 avx sse42 sse41 ssse3 sse4a sse3
255 . elif ${CPUTYPE} == "bdver4"
256 MACHINE_CPU = xop avx2 avx sse42 sse41 ssse3 sse4a sse3
257 . elif ${CPUTYPE} == "bdver3" || ${CPUTYPE} == "bdver2" || \
258 ${CPUTYPE} == "bdver1"
259 MACHINE_CPU = xop avx sse42 sse41 ssse3 sse4a sse3
260 . elif ${CPUTYPE} == "btver2"
261 MACHINE_CPU = avx sse42 sse41 ssse3 sse4a sse3
262 . elif ${CPUTYPE} == "btver1"
263 MACHINE_CPU = ssse3 sse4a sse3
264 . elif ${CPUTYPE} == "amdfam10"
265 MACHINE_CPU = k8 3dnow sse4a sse3
266 . elif ${CPUTYPE} == "opteron-sse3" || ${CPUTYPE} == "athlon64-sse3" || \
267 ${CPUTYPE} == "k8-sse3"
268 MACHINE_CPU = k8 3dnow sse3
269 . elif ${CPUTYPE} == "opteron" || ${CPUTYPE} == "athlon64" || \
270 ${CPUTYPE} == "athlon-fx" || ${CPUTYPE} == "k8"
271 MACHINE_CPU = k8 3dnow
272 . elif ${CPUTYPE} == "icelake-server" || ${CPUTYPE} == "icelake-client" || \
273 ${CPUTYPE} == "cannonlake" || ${CPUTYPE} == "knm" || \
274 ${CPUTYPE} == "skylake-avx512" || ${CPUTYPE} == "knl"
275 MACHINE_CPU = avx512 avx2 avx sse42 sse41 ssse3 sse3
276 . elif ${CPUTYPE} == "skylake" || ${CPUTYPE} == "broadwell" || \
277 ${CPUTYPE} == "haswell"
278 MACHINE_CPU = avx2 avx sse42 sse41 ssse3 sse3
279 . elif ${CPUTYPE} == "ivybridge" || ${CPUTYPE} == "sandybridge"
280 MACHINE_CPU = avx sse42 sse41 ssse3 sse3
281 . elif ${CPUTYPE} == "tremont" || ${CPUTYPE} == "goldmont-plus" || \
282 ${CPUTYPE} == "goldmont" || ${CPUTYPE} == "westmere" || \
283 ${CPUTYPE} == "nehalem" || ${CPUTYPE} == "silvermont"
284 MACHINE_CPU = sse42 sse41 ssse3 sse3
285 . elif ${CPUTYPE} == "penryn"
286 MACHINE_CPU = sse41 ssse3 sse3
287 . elif ${CPUTYPE} == "core2" || ${CPUTYPE} == "bonnell"
288 MACHINE_CPU = ssse3 sse3
289 . elif ${CPUTYPE} == "nocona"
292 MACHINE_CPU += amd64 sse2 sse mmx
294 . elif ${MACHINE_CPUARCH} == "mips"
297 . elif ${MACHINE_ARCH} == "powerpc"
298 . if ${CPUTYPE} == "e500"
299 MACHINE_CPU = booke softfp
302 . elif ${MACHINE_CPUARCH} == "riscv"
305 . elif ${MACHINE_ARCH} == "sparc64"
306 . if ${CPUTYPE} == "v9"
308 . elif ${CPUTYPE} == "ultrasparc"
309 MACHINE_CPU = v9 ultrasparc
310 . elif ${CPUTYPE} == "ultrasparc3"
311 MACHINE_CPU = v9 ultrasparc ultrasparc3
316 .if ${MACHINE_CPUARCH} == "mips"
321 .if ${MACHINE_CPUARCH} == "arm"
323 . if ${MACHINE_ARCH:Marmv6*} != ""
326 # armv6 is a hybrid. It can use the softfp ABI, but doesn't emulate
327 # floating point in the general case, so don't define softfp for
328 # it at this time. arm and armeb are pure softfp, so define it
330 . if ${MACHINE_ARCH:Marmv6*} == ""
331 MACHINE_CPU += softfp
333 # Normally armv6 is hard float ABI from FreeBSD 11 onwards. However
334 # when CPUTYPE has 'soft' in it, we use the soft-float ABI to allow
335 # building of soft-float ABI libraries. In this case, we have to
336 # add the -mfloat-abi=softfp to force that.
337 .if ${MACHINE_ARCH:Marmv6*} && defined(CPUTYPE) && ${CPUTYPE:M*soft*} != ""
338 # Needs to be CFLAGS not _CPUCFLAGS because it's needed for the ABI
339 # not a nice optimization.
340 CFLAGS += -mfloat-abi=softfp
344 .if ${MACHINE_CPUARCH} == "riscv"
345 CFLAGS += -msoft-float
348 # NB: COPTFLAGS is handled in /usr/src/sys/conf/kern.pre.mk
350 .if !defined(NO_CPU_CFLAGS)
351 CFLAGS += ${_CPUCFLAGS}
355 # Prohibit the compiler from emitting SIMD instructions.
356 # These flags are added to CFLAGS in areas where the extra context-switch
357 # cost outweighs the advantages of SIMD instructions.
360 # Setting -mno-mmx implies -mno-3dnow
361 # Setting -mno-sse implies -mno-sse2, -mno-sse3, -mno-ssse3 and -mfpmath=387
364 # Setting -mno-mmx implies -mno-3dnow and -mno-3dnowa
365 # Setting -mno-sse implies -mno-sse2, -mno-sse3, -mno-ssse3, -mno-sse41 and
367 # (-mfpmath= is not supported)
369 .if ${MACHINE_CPUARCH} == "i386" || ${MACHINE_CPUARCH} == "amd64"
370 CFLAGS_NO_SIMD.clang= -mno-avx
371 CFLAGS_NO_SIMD= -mno-mmx -mno-sse
373 CFLAGS_NO_SIMD += ${CFLAGS_NO_SIMD.${COMPILER_TYPE}}
375 # Add in any architecture-specific CFLAGS.
376 # These come from make.conf or the command line or the environment.
377 CFLAGS += ${CFLAGS.${MACHINE_ARCH}}
378 CXXFLAGS += ${CXXFLAGS.${MACHINE_ARCH}}