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} == "cortexa"
116 _CPUCFLAGS = -march=armv7 -mfpu=vfp
117 . elif ${CPUTYPE:Marmv[4567]*} != ""
118 # Handle all the armvX types that FreeBSD runs:
119 # armv4, armv4t, armv5, armv5te, armv6, armv6t2, armv7, armv7-a, armv7ve
120 # they require -march=. All the others require -mcpu=.
121 _CPUCFLAGS = -march=${CPUTYPE}
123 # Common values for FreeBSD
124 # arm: (any arm v4 or v5 processor you are targeting)
125 # arm920t, arm926ej-s, marvell-pj4, fa526, fa626,
126 # fa606te, fa626te, fa726te
127 # armv6: (any arm v7 or v8 processor you are targeting and the arm1176jzf-s)
128 # arm1176jzf-s, generic-armv7-a, cortex-a5, cortex-a7, cortex-a8,
129 # cortex-a9, cortex-a12, cortex-a15, cortex-a17, cortex-a53, cortex-a57,
130 # cortex-a72, exynos-m1
131 _CPUCFLAGS = -mcpu=${CPUTYPE}
133 . elif ${MACHINE_ARCH} == "powerpc"
134 . if ${CPUTYPE} == "e500"
135 _CPUCFLAGS = -Wa,-me500 -msoft-float
137 _CPUCFLAGS = -mcpu=${CPUTYPE} -mno-powerpc64
139 . elif ${MACHINE_ARCH} == "powerpcspe"
140 _CPUCFLAGS = -Wa,-me500 -mspe=yes -mabi=spe -mfloat-gprs=double -mcpu=8548
141 . elif ${MACHINE_ARCH} == "powerpc64"
142 _CPUCFLAGS = -mcpu=${CPUTYPE}
143 . elif ${MACHINE_CPUARCH} == "mips"
144 # mips[1234], mips32, mips64, and all later releases need to have mips
145 # preserved (releases later than r2 require external toolchain)
146 . if ${CPUTYPE:Mmips32*} != "" || ${CPUTYPE:Mmips64*} != "" || \
147 ${CPUTYPE:Mmips[1234]} != ""
148 _CPUCFLAGS = -march=${CPUTYPE}
150 # Default -march to the CPUTYPE passed in, with mips stripped off so we
151 # accept either mips4kc or 4kc, mostly for historical reasons
152 # Typical values for cores:
153 # 4kc, 24kc, 34kc, 74kc, 1004kc, octeon, octeon+, octeon2, octeon3,
155 _CPUCFLAGS = -march=${CPUTYPE:S/^mips//}
157 . elif ${MACHINE_ARCH} == "sparc64"
158 . if ${CPUTYPE} == "v9"
159 _CPUCFLAGS = -mcpu=v9
160 . elif ${CPUTYPE} == "ultrasparc"
161 _CPUCFLAGS = -mcpu=ultrasparc
162 . elif ${CPUTYPE} == "ultrasparc3"
163 _CPUCFLAGS = -mcpu=ultrasparc3
165 . elif ${MACHINE_CPUARCH} == "aarch64"
166 _CPUCFLAGS = -mcpu=${CPUTYPE}
169 # Set up the list of CPU features based on the CPU type. This is an
170 # unordered list to make it easy for client makefiles to test for the
171 # presence of a CPU feature.
174 . if ${MACHINE_CPUARCH} == "i386"
175 . if ${CPUTYPE} == "znver1"
176 MACHINE_CPU = avx2 avx sse42 sse41 ssse3 sse4a sse3 sse2 sse mmx k6 k5 i586
177 . elif ${CPUTYPE} == "bdver4"
178 MACHINE_CPU = xop avx2 avx sse42 sse41 ssse3 sse4a sse3 sse2 sse mmx k6 k5 i586
179 . elif ${CPUTYPE} == "bdver3" || ${CPUTYPE} == "bdver2" || \
180 ${CPUTYPE} == "bdver1"
181 MACHINE_CPU = xop avx sse42 sse41 ssse3 sse4a sse3 sse2 sse mmx k6 k5 i586
182 . elif ${CPUTYPE} == "btver2"
183 MACHINE_CPU = avx sse42 sse41 ssse3 sse4a sse3 sse2 sse mmx k6 k5 i586
184 . elif ${CPUTYPE} == "btver1"
185 MACHINE_CPU = ssse3 sse4a sse3 sse2 sse mmx k6 k5 i586
186 . elif ${CPUTYPE} == "amdfam10"
187 MACHINE_CPU = athlon-xp athlon k7 3dnow sse4a sse3 sse2 sse mmx k6 k5 i586
188 . elif ${CPUTYPE} == "opteron-sse3" || ${CPUTYPE} == "athlon64-sse3"
189 MACHINE_CPU = athlon-xp athlon k7 3dnow sse3 sse2 sse mmx k6 k5 i586
190 . elif ${CPUTYPE} == "opteron" || ${CPUTYPE} == "athlon64" || \
191 ${CPUTYPE} == "athlon-fx"
192 MACHINE_CPU = athlon-xp athlon k7 3dnow sse2 sse mmx k6 k5 i586
193 . elif ${CPUTYPE} == "athlon-mp" || ${CPUTYPE} == "athlon-xp" || \
194 ${CPUTYPE} == "athlon-4"
195 MACHINE_CPU = athlon-xp athlon k7 3dnow sse mmx k6 k5 i586
196 . elif ${CPUTYPE} == "athlon" || ${CPUTYPE} == "athlon-tbird"
197 MACHINE_CPU = athlon k7 3dnow mmx k6 k5 i586
198 . elif ${CPUTYPE} == "k6-3" || ${CPUTYPE} == "k6-2" || ${CPUTYPE} == "geode"
199 MACHINE_CPU = 3dnow mmx k6 k5 i586
200 . elif ${CPUTYPE} == "k6"
201 MACHINE_CPU = mmx k6 k5 i586
202 . elif ${CPUTYPE} == "k5"
203 MACHINE_CPU = k5 i586
204 . elif ${CPUTYPE} == "cascadelake" || ${CPUTYPE} == "icelake-server" || \
205 ${CPUTYPE} == "icelake-client" || ${CPUTYPE} == "cannonlake" || \
206 ${CPUTYPE} == "knm" || ${CPUTYPE} == "skylake-avx512" || \
208 MACHINE_CPU = avx512 avx2 avx sse42 sse41 ssse3 sse3 sse2 sse i686 mmx i586
209 . elif ${CPUTYPE} == "skylake" || ${CPUTYPE} == "broadwell" || \
210 ${CPUTYPE} == "haswell"
211 MACHINE_CPU = avx2 avx sse42 sse41 ssse3 sse3 sse2 sse i686 mmx i586
212 . elif ${CPUTYPE} == "ivybridge" || ${CPUTYPE} == "sandybridge"
213 MACHINE_CPU = avx sse42 sse41 ssse3 sse3 sse2 sse i686 mmx i586
214 . elif ${CPUTYPE} == "tremont" || ${CPUTYPE} == "goldmont-plus" || \
215 ${CPUTYPE} == "goldmont" || ${CPUTYPE} == "westmere" || \
216 ${CPUTYPE} == "nehalem" || ${CPUTYPE} == "silvermont"
217 MACHINE_CPU = sse42 sse41 ssse3 sse3 sse2 sse i686 mmx i586
218 . elif ${CPUTYPE} == "penryn"
219 MACHINE_CPU = sse41 ssse3 sse3 sse2 sse i686 mmx i586
220 . elif ${CPUTYPE} == "core2" || ${CPUTYPE} == "bonnell"
221 MACHINE_CPU = ssse3 sse3 sse2 sse i686 mmx i586
222 . elif ${CPUTYPE} == "yonah" || ${CPUTYPE} == "prescott"
223 MACHINE_CPU = sse3 sse2 sse i686 mmx i586
224 . elif ${CPUTYPE} == "pentium4" || ${CPUTYPE} == "pentium4m" || \
225 ${CPUTYPE} == "pentium-m"
226 MACHINE_CPU = sse2 sse i686 mmx i586
227 . elif ${CPUTYPE} == "pentium3" || ${CPUTYPE} == "pentium3m"
228 MACHINE_CPU = sse i686 mmx i586
229 . elif ${CPUTYPE} == "pentium2"
230 MACHINE_CPU = i686 mmx i586
231 . elif ${CPUTYPE} == "pentiumpro"
232 MACHINE_CPU = i686 i586
233 . elif ${CPUTYPE} == "pentium-mmx"
234 MACHINE_CPU = mmx i586
235 . elif ${CPUTYPE} == "pentium"
237 . elif ${CPUTYPE} == "c7"
238 MACHINE_CPU = sse3 sse2 sse i686 mmx i586
239 . elif ${CPUTYPE} == "c3-2"
240 MACHINE_CPU = sse i686 mmx i586
241 . elif ${CPUTYPE} == "c3"
242 MACHINE_CPU = 3dnow mmx i586
243 . elif ${CPUTYPE} == "winchip2"
244 MACHINE_CPU = 3dnow mmx
245 . elif ${CPUTYPE} == "winchip-c6"
250 . elif ${MACHINE_CPUARCH} == "amd64"
251 . if ${CPUTYPE} == "znver1"
252 MACHINE_CPU = avx2 avx sse42 sse41 ssse3 sse4a sse3
253 . elif ${CPUTYPE} == "bdver4"
254 MACHINE_CPU = xop avx2 avx sse42 sse41 ssse3 sse4a sse3
255 . elif ${CPUTYPE} == "bdver3" || ${CPUTYPE} == "bdver2" || \
256 ${CPUTYPE} == "bdver1"
257 MACHINE_CPU = xop avx sse42 sse41 ssse3 sse4a sse3
258 . elif ${CPUTYPE} == "btver2"
259 MACHINE_CPU = avx sse42 sse41 ssse3 sse4a sse3
260 . elif ${CPUTYPE} == "btver1"
261 MACHINE_CPU = ssse3 sse4a sse3
262 . elif ${CPUTYPE} == "amdfam10"
263 MACHINE_CPU = k8 3dnow sse4a sse3
264 . elif ${CPUTYPE} == "opteron-sse3" || ${CPUTYPE} == "athlon64-sse3" || \
265 ${CPUTYPE} == "k8-sse3"
266 MACHINE_CPU = k8 3dnow sse3
267 . elif ${CPUTYPE} == "opteron" || ${CPUTYPE} == "athlon64" || \
268 ${CPUTYPE} == "athlon-fx" || ${CPUTYPE} == "k8"
269 MACHINE_CPU = k8 3dnow
270 . elif ${CPUTYPE} == "cascadelake" || ${CPUTYPE} == "icelake-server" || \
271 ${CPUTYPE} == "icelake-client" || ${CPUTYPE} == "cannonlake" || \
272 ${CPUTYPE} == "knm" || ${CPUTYPE} == "skylake-avx512" || \
274 MACHINE_CPU = avx512 avx2 avx sse42 sse41 ssse3 sse3
275 . elif ${CPUTYPE} == "skylake" || ${CPUTYPE} == "broadwell" || \
276 ${CPUTYPE} == "haswell"
277 MACHINE_CPU = avx2 avx sse42 sse41 ssse3 sse3
278 . elif ${CPUTYPE} == "ivybridge" || ${CPUTYPE} == "sandybridge"
279 MACHINE_CPU = avx sse42 sse41 ssse3 sse3
280 . elif ${CPUTYPE} == "tremont" || ${CPUTYPE} == "goldmont-plus" || \
281 ${CPUTYPE} == "goldmont" || ${CPUTYPE} == "westmere" || \
282 ${CPUTYPE} == "nehalem" || ${CPUTYPE} == "silvermont"
283 MACHINE_CPU = sse42 sse41 ssse3 sse3
284 . elif ${CPUTYPE} == "penryn"
285 MACHINE_CPU = sse41 ssse3 sse3
286 . elif ${CPUTYPE} == "core2" || ${CPUTYPE} == "bonnell"
287 MACHINE_CPU = ssse3 sse3
288 . elif ${CPUTYPE} == "nocona"
291 MACHINE_CPU += amd64 sse2 sse mmx
293 . elif ${MACHINE_CPUARCH} == "mips"
296 . elif ${MACHINE_ARCH} == "powerpc"
297 . if ${CPUTYPE} == "e500"
298 MACHINE_CPU = booke softfp
301 . elif ${MACHINE_CPUARCH} == "riscv"
304 . elif ${MACHINE_ARCH} == "sparc64"
305 . if ${CPUTYPE} == "v9"
307 . elif ${CPUTYPE} == "ultrasparc"
308 MACHINE_CPU = v9 ultrasparc
309 . elif ${CPUTYPE} == "ultrasparc3"
310 MACHINE_CPU = v9 ultrasparc ultrasparc3
315 .if ${MACHINE_CPUARCH} == "mips"
317 . if ${MACHINE_ARCH:Mmips*el*} != ""
326 . if ${MACHINE_ARCH:Mmips64*} != ""
330 . elif ${MACHINE_ARCH:Mmipsn32*} != ""
339 . if ${MACHINE_ARCH:Mmips*hf}
340 CFLAGS += -mhard-float
342 CFLAGS += -msoft-float
347 .if ${MACHINE_CPUARCH} == "arm"
349 . if ${MACHINE_ARCH:Marmv6*} != ""
352 . if ${MACHINE_ARCH:Marmv7*} != ""
355 # armv6 and armv7 are a hybrid. It can use the softfp ABI, but doesn't emulate
356 # floating point in the general case, so don't define softfp for it at this
357 # time. arm is pure softfp, so define it for them.
358 . if ${MACHINE_ARCH:Marmv[67]*} == ""
359 MACHINE_CPU += softfp
361 # Normally armv6 and armv7 are hard float ABI from FreeBSD 11 onwards. However
362 # when CPUTYPE has 'soft' in it, we use the soft-float ABI to allow building of
363 # soft-float ABI libraries. In this case, we have to add the -mfloat-abi=softfp
365 .if ${MACHINE_ARCH:Marmv[67]*} && defined(CPUTYPE) && ${CPUTYPE:M*soft*} != ""
366 # Needs to be CFLAGS not _CPUCFLAGS because it's needed for the ABI
367 # not a nice optimization.
368 CFLAGS += -mfloat-abi=softfp
372 .if ${MACHINE_ARCH} == "powerpcspe"
373 CFLAGS += -mcpu=8548 -Wa,-me500 -mspe=yes -mabi=spe -mfloat-gprs=double
376 .if ${MACHINE_CPUARCH} == "riscv"
377 .if ${MACHINE_ARCH:Mriscv*sf}
378 CFLAGS += -march=rv64imac -mabi=lp64
380 CFLAGS += -march=rv64imafdc -mabi=lp64d
384 # NB: COPTFLAGS is handled in /usr/src/sys/conf/kern.pre.mk
386 .if !defined(NO_CPU_CFLAGS)
387 CFLAGS += ${_CPUCFLAGS}
391 # Prohibit the compiler from emitting SIMD instructions.
392 # These flags are added to CFLAGS in areas where the extra context-switch
393 # cost outweighs the advantages of SIMD instructions.
396 # Setting -mno-mmx implies -mno-3dnow
397 # Setting -mno-sse implies -mno-sse2, -mno-sse3, -mno-ssse3 and -mfpmath=387
400 # Setting -mno-mmx implies -mno-3dnow and -mno-3dnowa
401 # Setting -mno-sse implies -mno-sse2, -mno-sse3, -mno-ssse3, -mno-sse41 and
403 # (-mfpmath= is not supported)
405 .if ${MACHINE_CPUARCH} == "i386" || ${MACHINE_CPUARCH} == "amd64"
406 CFLAGS_NO_SIMD.clang= -mno-avx -mno-avx2
407 CFLAGS_NO_SIMD= -mno-mmx -mno-sse
409 CFLAGS_NO_SIMD += ${CFLAGS_NO_SIMD.${COMPILER_TYPE}}
411 # Add in any architecture-specific CFLAGS.
412 # These come from make.conf or the command line or the environment.
413 CFLAGS += ${CFLAGS.${MACHINE_ARCH}}
414 CXXFLAGS += ${CXXFLAGS.${MACHINE_ARCH}}