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} == "core-avx2"
36 . elif ${CPUTYPE} == "core-avx-i"
38 . elif ${CPUTYPE} == "corei7-avx"
40 . elif ${CPUTYPE} == "corei7"
42 . elif ${CPUTYPE} == "slm"
44 . elif ${CPUTYPE} == "atom"
46 . elif ${CPUTYPE} == "core"
49 . if ${MACHINE_CPUARCH} == "amd64"
50 . if ${CPUTYPE} == "prescott"
54 . if ${CPUTYPE} == "k7"
56 . elif ${CPUTYPE} == "p4"
58 . elif ${CPUTYPE} == "p4m"
60 . elif ${CPUTYPE} == "p3"
62 . elif ${CPUTYPE} == "p3m"
64 . elif ${CPUTYPE} == "p-m"
66 . elif ${CPUTYPE} == "p2"
68 . elif ${CPUTYPE} == "i686"
70 . elif ${CPUTYPE} == "i586/mmx"
72 . elif ${CPUTYPE} == "i586"
76 . elif ${MACHINE_ARCH} == "sparc64"
77 . if ${CPUTYPE} == "us"
79 . elif ${CPUTYPE} == "us3"
84 ###############################################################################
85 # Logic to set up correct gcc optimization flag. This must be included
86 # after /etc/make.conf so it can react to the local value of CPUTYPE
87 # defined therein. Consult:
88 # http://gcc.gnu.org/onlinedocs/gcc/ARM-Options.html
89 # http://gcc.gnu.org/onlinedocs/gcc/RS-6000-and-PowerPC-Options.html
90 # http://gcc.gnu.org/onlinedocs/gcc/MIPS-Options.html
91 # http://gcc.gnu.org/onlinedocs/gcc/SPARC-Options.html
92 # http://gcc.gnu.org/onlinedocs/gcc/i386-and-x86_002d64-Options.html
94 . if ${MACHINE_CPUARCH} == "i386"
95 . if ${CPUTYPE} == "crusoe"
96 _CPUCFLAGS = -march=i686 -falign-functions=0 -falign-jumps=0 -falign-loops=0
97 . elif ${CPUTYPE} == "k5"
98 _CPUCFLAGS = -march=pentium
99 . elif ${CPUTYPE} == "c7"
100 _CPUCFLAGS = -march=c3-2
102 _CPUCFLAGS = -march=${CPUTYPE}
104 . elif ${MACHINE_CPUARCH} == "amd64"
105 _CPUCFLAGS = -march=${CPUTYPE}
106 . elif ${MACHINE_CPUARCH} == "arm"
107 . if ${CPUTYPE} == "xscale"
108 #XXX: gcc doesn't seem to like -mcpu=xscale, and dies while rebuilding itself
109 #_CPUCFLAGS = -mcpu=xscale
110 _CPUCFLAGS = -march=armv5te -D__XSCALE__
111 . elif ${CPUTYPE:M*soft*} != ""
112 _CPUCFLAGS = -mfloat-abi=softfp
113 . elif ${CPUTYPE} == "armv6"
114 # Not sure we still need ARM_ARCH_6=1 here.
115 _CPUCFLAGS = -march=${CPUTYPE} -DARM_ARCH_6=1
116 . elif ${CPUTYPE} == "cortexa"
117 _CPUCFLAGS = -march=armv7 -DARM_ARCH_6=1 -mfpu=vfp
118 . elif ${CPUTYPE:Marmv[4567]*} != ""
119 # Handle all the armvX types that FreeBSD runs:
120 # armv4, armv4t, armv5, armv5te, armv6, armv6t2, armv7, armv7-a, armv7ve
121 # they require -march=. All the others require -mcpu=.
122 _CPUCFLAGS = -march=${CPUTYPE}
124 # Common values for FreeBSD
125 # arm: (any arm v4 or v5 processor you are targeting)
126 # arm920t, arm926ej-s, marvell-pj4, fa526, fa626,
127 # fa606te, fa626te, fa726te
128 # armv6: (any arm v7 or v8 processor you are targeting and the arm1176jzf-s)
129 # arm1176jzf-s, generic-armv7-a, cortex-a5, cortex-a7, cortex-a8,
130 # cortex-a9, cortex-a12, cortex-a15, cortex-a17, cortex-a53, cortex-a57,
131 # cortex-a72, exynos-m1
132 _CPUCFLAGS = -mcpu=${CPUTYPE}
134 . elif ${MACHINE_ARCH} == "powerpc"
135 . if ${CPUTYPE} == "e500"
136 _CPUCFLAGS = -Wa,-me500 -msoft-float
138 _CPUCFLAGS = -mcpu=${CPUTYPE} -mno-powerpc64
140 . elif ${MACHINE_ARCH} == "powerpc64"
141 _CPUCFLAGS = -mcpu=${CPUTYPE}
142 . elif ${MACHINE_CPUARCH} == "mips"
143 # mips[1234], mips32, mips64, and all later releases need to have mips
144 # preserved (releases later than r2 require external toolchain)
145 . if ${CPUTYPE:Mmips32*} != "" || ${CPUTYPE:Mmips64*} != "" || \
146 ${CPUTYPE:Mmips[1234]} != ""
147 _CPUCFLAGS = -march=${CPUTYPE}
149 # Default -march to the CPUTYPE passed in, with mips stripped off so we
150 # accept either mips4kc or 4kc, mostly for historical reasons
151 # Typical values for cores:
152 # 4kc, 24kc, 34kc, 74kc, 1004kc, octeon, octeon+, octeon2, octeon3,
154 _CPUCFLAGS = -march=${CPUTYPE:S/^mips//}
156 . elif ${MACHINE_CPUARCH} == "riscv"
157 _CPUCFLAGS = -msoft-float # -march="RV64I" # RISCVTODO
158 . elif ${MACHINE_ARCH} == "sparc64"
159 . if ${CPUTYPE} == "v9"
160 _CPUCFLAGS = -mcpu=v9
161 . elif ${CPUTYPE} == "ultrasparc"
162 _CPUCFLAGS = -mcpu=ultrasparc
163 . elif ${CPUTYPE} == "ultrasparc3"
164 _CPUCFLAGS = -mcpu=ultrasparc3
166 . elif ${MACHINE_CPUARCH} == "aarch64"
167 _CPUCFLAGS = -mcpu=${CPUTYPE}
170 # Set up the list of CPU features based on the CPU type. This is an
171 # unordered list to make it easy for client makefiles to test for the
172 # presence of a CPU feature.
175 . if ${MACHINE_CPUARCH} == "i386"
176 . if ${CPUTYPE} == "znver1"
177 MACHINE_CPU = avx2 avx sse42 sse41 ssse3 sse4a sse3 sse2 sse mmx k6 k5 i586
178 . elif ${CPUTYPE} == "bdver4"
179 MACHINE_CPU = xop avx2 avx sse42 sse41 ssse3 sse4a sse3 sse2 sse mmx k6 k5 i586
180 . elif ${CPUTYPE} == "bdver3" || ${CPUTYPE} == "bdver2" || \
181 ${CPUTYPE} == "bdver1"
182 MACHINE_CPU = xop avx sse42 sse41 ssse3 sse4a sse3 sse2 sse mmx k6 k5 i586
183 . elif ${CPUTYPE} == "btver2"
184 MACHINE_CPU = avx sse42 sse41 ssse3 sse4a sse3 sse2 sse mmx k6 k5 i586
185 . elif ${CPUTYPE} == "btver1"
186 MACHINE_CPU = ssse3 sse4a sse3 sse2 sse mmx k6 k5 i586
187 . elif ${CPUTYPE} == "amdfam10"
188 MACHINE_CPU = athlon-xp athlon k7 3dnow sse4a sse3 sse2 sse mmx k6 k5 i586
189 . elif ${CPUTYPE} == "opteron-sse3" || ${CPUTYPE} == "athlon64-sse3"
190 MACHINE_CPU = athlon-xp athlon k7 3dnow sse3 sse2 sse mmx k6 k5 i586
191 . elif ${CPUTYPE} == "opteron" || ${CPUTYPE} == "athlon64" || \
192 ${CPUTYPE} == "athlon-fx"
193 MACHINE_CPU = athlon-xp athlon k7 3dnow sse2 sse mmx k6 k5 i586
194 . elif ${CPUTYPE} == "athlon-mp" || ${CPUTYPE} == "athlon-xp" || \
195 ${CPUTYPE} == "athlon-4"
196 MACHINE_CPU = athlon-xp athlon k7 3dnow sse mmx k6 k5 i586
197 . elif ${CPUTYPE} == "athlon" || ${CPUTYPE} == "athlon-tbird"
198 MACHINE_CPU = athlon k7 3dnow mmx k6 k5 i586
199 . elif ${CPUTYPE} == "k6-3" || ${CPUTYPE} == "k6-2" || ${CPUTYPE} == "geode"
200 MACHINE_CPU = 3dnow mmx k6 k5 i586
201 . elif ${CPUTYPE} == "k6"
202 MACHINE_CPU = mmx k6 k5 i586
203 . elif ${CPUTYPE} == "k5"
204 MACHINE_CPU = k5 i586
205 . elif ${CPUTYPE} == "cannonlake" || ${CPUTYPE} == "knm" || \
206 ${CPUTYPE} == "skylake-avx512" || ${CPUTYPE} == "knl"
207 MACHINE_CPU = avx512 avx2 avx sse42 sse41 ssse3 sse3 sse2 sse i686 mmx i586
208 . elif ${CPUTYPE} == "skylake" || ${CPUTYPE} == "broadwell" || \
209 ${CPUTYPE} == "haswell"
210 MACHINE_CPU = avx2 avx sse42 sse41 ssse3 sse3 sse2 sse i686 mmx i586
211 . elif ${CPUTYPE} == "ivybridge" || ${CPUTYPE} == "sandybridge"
212 MACHINE_CPU = avx sse42 sse41 ssse3 sse3 sse2 sse i686 mmx i586
213 . elif ${CPUTYPE} == "goldmont" || ${CPUTYPE} == "westmere" || \
214 ${CPUTYPE} == "nehalem" || ${CPUTYPE} == "silvermont"
215 MACHINE_CPU = sse42 sse41 ssse3 sse3 sse2 sse i686 mmx i586
216 . elif ${CPUTYPE} == "penryn"
217 MACHINE_CPU = sse41 ssse3 sse3 sse2 sse i686 mmx i586
218 . elif ${CPUTYPE} == "core2" || ${CPUTYPE} == "bonnell"
219 MACHINE_CPU = ssse3 sse3 sse2 sse i686 mmx i586
220 . elif ${CPUTYPE} == "yonah" || ${CPUTYPE} == "prescott"
221 MACHINE_CPU = sse3 sse2 sse i686 mmx i586
222 . elif ${CPUTYPE} == "pentium4" || ${CPUTYPE} == "pentium4m" || \
223 ${CPUTYPE} == "pentium-m"
224 MACHINE_CPU = sse2 sse i686 mmx i586
225 . elif ${CPUTYPE} == "pentium3" || ${CPUTYPE} == "pentium3m"
226 MACHINE_CPU = sse i686 mmx i586
227 . elif ${CPUTYPE} == "pentium2"
228 MACHINE_CPU = i686 mmx i586
229 . elif ${CPUTYPE} == "pentiumpro"
230 MACHINE_CPU = i686 i586
231 . elif ${CPUTYPE} == "pentium-mmx"
232 MACHINE_CPU = mmx i586
233 . elif ${CPUTYPE} == "pentium"
235 . elif ${CPUTYPE} == "c7"
236 MACHINE_CPU = sse3 sse2 sse i686 mmx i586
237 . elif ${CPUTYPE} == "c3-2"
238 MACHINE_CPU = sse i686 mmx i586
239 . elif ${CPUTYPE} == "c3"
240 MACHINE_CPU = 3dnow mmx i586
241 . elif ${CPUTYPE} == "winchip2"
242 MACHINE_CPU = 3dnow mmx
243 . elif ${CPUTYPE} == "winchip-c6"
248 . elif ${MACHINE_CPUARCH} == "amd64"
249 . if ${CPUTYPE} == "znver1"
250 MACHINE_CPU = avx2 avx sse42 sse41 ssse3 sse4a sse3
251 . elif ${CPUTYPE} == "bdver4"
252 MACHINE_CPU = xop avx2 avx sse42 sse41 ssse3 sse4a sse3
253 . elif ${CPUTYPE} == "bdver3" || ${CPUTYPE} == "bdver2" || \
254 ${CPUTYPE} == "bdver1"
255 MACHINE_CPU = xop avx sse42 sse41 ssse3 sse4a sse3
256 . elif ${CPUTYPE} == "btver2"
257 MACHINE_CPU = avx sse42 sse41 ssse3 sse4a sse3
258 . elif ${CPUTYPE} == "btver1"
259 MACHINE_CPU = ssse3 sse4a sse3
260 . elif ${CPUTYPE} == "amdfam10"
261 MACHINE_CPU = k8 3dnow sse4a sse3
262 . elif ${CPUTYPE} == "opteron-sse3" || ${CPUTYPE} == "athlon64-sse3" || \
263 ${CPUTYPE} == "k8-sse3"
264 MACHINE_CPU = k8 3dnow sse3
265 . elif ${CPUTYPE} == "opteron" || ${CPUTYPE} == "athlon64" || \
266 ${CPUTYPE} == "athlon-fx" || ${CPUTYPE} == "k8"
267 MACHINE_CPU = k8 3dnow
268 . elif ${CPUTYPE} == "cannonlake" || ${CPUTYPE} == "knm" || \
269 ${CPUTYPE} == "skylake-avx512" || ${CPUTYPE} == "knl"
270 MACHINE_CPU = avx512 avx2 avx sse42 sse41 ssse3 sse3
271 . elif ${CPUTYPE} == "skylake" || ${CPUTYPE} == "broadwell" || \
272 ${CPUTYPE} == "haswell"
273 MACHINE_CPU = avx2 avx sse42 sse41 ssse3 sse3
274 . elif ${CPUTYPE} == "ivybridge" || ${CPUTYPE} == "sandybridge"
275 MACHINE_CPU = avx sse42 sse41 ssse3 sse3
276 . elif ${CPUTYPE} == "goldmont" || ${CPUTYPE} == "westmere" || \
277 ${CPUTYPE} == "nehalem" || ${CPUTYPE} == "silvermont"
278 MACHINE_CPU = sse42 sse41 ssse3 sse3
279 . elif ${CPUTYPE} == "penryn"
280 MACHINE_CPU = sse41 ssse3 sse3
281 . elif ${CPUTYPE} == "core2" || ${CPUTYPE} == "bonnell"
282 MACHINE_CPU = ssse3 sse3
283 . elif ${CPUTYPE} == "nocona"
286 MACHINE_CPU += amd64 sse2 sse mmx
288 . elif ${MACHINE_CPUARCH} == "mips"
291 . elif ${MACHINE_ARCH} == "powerpc"
292 . if ${CPUTYPE} == "e500"
293 MACHINE_CPU = booke softfp
296 . elif ${MACHINE_CPUARCH} == "riscv"
299 . elif ${MACHINE_ARCH} == "sparc64"
300 . if ${CPUTYPE} == "v9"
302 . elif ${CPUTYPE} == "ultrasparc"
303 MACHINE_CPU = v9 ultrasparc
304 . elif ${CPUTYPE} == "ultrasparc3"
305 MACHINE_CPU = v9 ultrasparc ultrasparc3
310 .if ${MACHINE_CPUARCH} == "mips"
315 .if ${MACHINE_CPUARCH} == "arm"
317 . if ${MACHINE_ARCH:Marmv6*} != ""
320 # armv6 is a hybrid. It can use the softfp ABI, but doesn't emulate
321 # floating point in the general case, so don't define softfp for
322 # it at this time. arm and armeb are pure softfp, so define it
324 . if ${MACHINE_ARCH:Marmv6*} == ""
325 MACHINE_CPU += softfp
327 # Normally armv6 is hard float ABI from FreeBSD 11 onwards. However
328 # when CPUTYPE has 'soft' in it, we use the soft-float ABI to allow
329 # building of soft-float ABI libraries. In this case, we have to
330 # add the -mfloat-abi=softfp to force that.
331 .if ${MACHINE_ARCH:Marmv6*} && defined(CPUTYPE) && ${CPUTYPE:M*soft*} != ""
332 # Needs to be CFLAGS not _CPUCFLAGS because it's needed for the ABI
333 # not a nice optimization.
334 CFLAGS += -mfloat-abi=softfp
338 .if ${MACHINE_CPUARCH} == "riscv"
339 CFLAGS += -msoft-float
342 # NB: COPTFLAGS is handled in /usr/src/sys/conf/kern.pre.mk
344 .if !defined(NO_CPU_CFLAGS)
345 CFLAGS += ${_CPUCFLAGS}
349 # Prohibit the compiler from emitting SIMD instructions.
350 # These flags are added to CFLAGS in areas where the extra context-switch
351 # cost outweighs the advantages of SIMD instructions.
354 # Setting -mno-mmx implies -mno-3dnow
355 # Setting -mno-sse implies -mno-sse2, -mno-sse3, -mno-ssse3 and -mfpmath=387
358 # Setting -mno-mmx implies -mno-3dnow and -mno-3dnowa
359 # Setting -mno-sse implies -mno-sse2, -mno-sse3, -mno-ssse3, -mno-sse41 and
361 # (-mfpmath= is not supported)
363 .if ${MACHINE_CPUARCH} == "i386" || ${MACHINE_CPUARCH} == "amd64"
364 CFLAGS_NO_SIMD.clang= -mno-avx
365 CFLAGS_NO_SIMD= -mno-mmx -mno-sse
367 CFLAGS_NO_SIMD += ${CFLAGS_NO_SIMD.${COMPILER_TYPE}}
369 # Add in any architecture-specific CFLAGS.
370 # These come from make.conf or the command line or the environment.
371 CFLAGS += ${CFLAGS.${MACHINE_ARCH}}
372 CXXFLAGS += ${CXXFLAGS.${MACHINE_ARCH}}