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} == "i386"
11 . elif ${MACHINE_CPUARCH} == "amd64"
12 MACHINE_CPU = amd64 sse2 sse mmx
13 . elif ${MACHINE_CPUARCH} == "ia64"
15 . elif ${MACHINE_CPUARCH} == "powerpc"
17 . elif ${MACHINE_CPUARCH} == "sparc64"
18 MACHINE_CPU = ultrasparc
19 . elif ${MACHINE_CPUARCH} == "arm"
21 . elif ${MACHINE_CPUARCH} == "mips"
26 # Handle aliases (not documented in make.conf to avoid user confusion
27 # between e.g. i586 and pentium)
29 . if ${MACHINE_CPUARCH} == "i386"
30 . if ${CPUTYPE} == "barcelona"
32 . elif ${CPUTYPE} == "k7"
34 . elif ${CPUTYPE} == "westmere" || ${CPUTYPE} == "nehalem"
36 . elif ${CPUTYPE} == "core"
38 . elif ${CPUTYPE} == "p4"
40 . elif ${CPUTYPE} == "p4m"
42 . elif ${CPUTYPE} == "p3"
44 . elif ${CPUTYPE} == "p3m"
46 . elif ${CPUTYPE} == "p-m"
48 . elif ${CPUTYPE} == "p2"
50 . elif ${CPUTYPE} == "i686"
52 . elif ${CPUTYPE} == "i586/mmx"
54 . elif ${CPUTYPE} == "i586"
57 . elif ${MACHINE_CPUARCH} == "amd64"
58 . if ${CPUTYPE} == "barcelona"
60 . elif ${CPUTYPE} == "westmere" || ${CPUTYPE} == "nehalem"
62 . elif ${CPUTYPE} == "prescott"
65 . elif ${MACHINE_ARCH} == "sparc64"
66 . if ${CPUTYPE} == "us"
68 . elif ${CPUTYPE} == "us3"
73 ###############################################################################
74 # Logic to set up correct gcc optimization flag. This must be included
75 # after /etc/make.conf so it can react to the local value of CPUTYPE
76 # defined therein. Consult:
77 # http://gcc.gnu.org/onlinedocs/gcc/ARM-Options.html
78 # http://gcc.gnu.org/onlinedocs/gcc/IA_002d64-Options.html
79 # http://gcc.gnu.org/onlinedocs/gcc/RS_002f6000-and-PowerPC-Options.html
80 # http://gcc.gnu.org/onlinedocs/gcc/MIPS-Options.html
81 # http://gcc.gnu.org/onlinedocs/gcc/SPARC-Options.html
82 # http://gcc.gnu.org/onlinedocs/gcc/i386-and-x86_002d64-Options.html
84 . if ${MACHINE_CPUARCH} == "i386"
85 . if ${CPUTYPE} == "crusoe"
86 _CPUCFLAGS = -march=i686 -falign-functions=0 -falign-jumps=0 -falign-loops=0
87 . elif ${CPUTYPE} == "k5"
88 _CPUCFLAGS = -march=pentium
89 . elif ${CPUTYPE} == "c7"
90 _CPUCFLAGS = -march=c3-2
92 _CPUCFLAGS = -march=${CPUTYPE}
94 . elif ${MACHINE_CPUARCH} == "amd64"
95 _CPUCFLAGS = -march=${CPUTYPE}
96 . elif ${MACHINE_CPUARCH} == "arm"
97 . if ${CPUTYPE} == "xscale"
98 #XXX: gcc doesn't seem to like -mcpu=xscale, and dies while rebuilding itself
99 #_CPUCFLAGS = -mcpu=xscale
100 _CPUCFLAGS = -march=armv5te -D__XSCALE__
101 . elif ${CPUTYPE} == "armv6"
102 _CPUCFLAGS = -march=${CPUTYPE} -DARM_ARCH_6=1
103 . elif ${CPUTYPE} == "cortexa"
104 _CPUCFLAGS = -DARM_ARCH_6=1 -mfpu=vfp
106 _CPUCFLAGS = -mcpu=${CPUTYPE}
108 . elif ${MACHINE_ARCH} == "powerpc"
109 . if ${CPUTYPE} == "e500"
110 _CPUCFLAGS = -Wa,-me500 -msoft-float
112 _CPUCFLAGS = -mcpu=${CPUTYPE} -mno-powerpc64
114 . elif ${MACHINE_ARCH} == "powerpc64"
115 _CPUCFLAGS = -mcpu=${CPUTYPE}
116 . elif ${MACHINE_CPUARCH} == "mips"
117 . if ${CPUTYPE} == "mips32"
118 _CPUCFLAGS = -march=mips32
119 . elif ${CPUTYPE} == "mips32r2"
120 _CPUCFLAGS = -march=mips32r2
121 . elif ${CPUTYPE} == "mips64"
122 _CPUCFLAGS = -march=mips64
123 . elif ${CPUTYPE} == "mips64r2"
124 _CPUCFLAGS = -march=mips64r2
125 . elif ${CPUTYPE} == "mips4kc"
126 _CPUCFLAGS = -march=4kc
127 . elif ${CPUTYPE} == "mips24kc"
128 _CPUCFLAGS = -march=24kc
130 . elif ${MACHINE_ARCH} == "sparc64"
131 . if ${CPUTYPE} == "v9"
132 _CPUCFLAGS = -mcpu=v9
133 . elif ${CPUTYPE} == "ultrasparc"
134 _CPUCFLAGS = -mcpu=ultrasparc
135 . elif ${CPUTYPE} == "ultrasparc3"
136 _CPUCFLAGS = -mcpu=ultrasparc3
140 # Set up the list of CPU features based on the CPU type. This is an
141 # unordered list to make it easy for client makefiles to test for the
142 # presence of a CPU feature.
144 . if ${MACHINE_CPUARCH} == "i386"
145 . if ${CPUTYPE} == "bdver3" || ${CPUTYPE} == "bdver2" || \
146 ${CPUTYPE} == "bdver1"
147 MACHINE_CPU = xop avx sse42 sse41 ssse3 sse4a sse3 sse2 sse mmx k6 k5 i586
148 . elif ${CPUTYPE} == "btver2"
149 MACHINE_CPU = avx sse42 sse41 ssse3 sse4a sse3 sse2 sse mmx k6 k5 i586
150 . elif ${CPUTYPE} == "btver1"
151 MACHINE_CPU = ssse3 sse4a sse3 sse2 sse mmx k6 k5 i586
152 . elif ${CPUTYPE} == "amdfam10"
153 MACHINE_CPU = athlon-xp athlon k7 3dnow sse4a sse3 sse2 sse mmx k6 k5 i586
154 . elif ${CPUTYPE} == "opteron-sse3" || ${CPUTYPE} == "athlon64-sse3"
155 MACHINE_CPU = athlon-xp athlon k7 3dnow sse3 sse2 sse mmx k6 k5 i586
156 . elif ${CPUTYPE} == "opteron" || ${CPUTYPE} == "athlon64" || \
157 ${CPUTYPE} == "athlon-fx"
158 MACHINE_CPU = athlon-xp athlon k7 3dnow sse2 sse mmx k6 k5 i586
159 . elif ${CPUTYPE} == "athlon-mp" || ${CPUTYPE} == "athlon-xp" || \
160 ${CPUTYPE} == "athlon-4"
161 MACHINE_CPU = athlon-xp athlon k7 3dnow sse mmx k6 k5 i586
162 . elif ${CPUTYPE} == "athlon" || ${CPUTYPE} == "athlon-tbird"
163 MACHINE_CPU = athlon k7 3dnow mmx k6 k5 i586
164 . elif ${CPUTYPE} == "k6-3" || ${CPUTYPE} == "k6-2" || ${CPUTYPE} == "geode"
165 MACHINE_CPU = 3dnow mmx k6 k5 i586
166 . elif ${CPUTYPE} == "k6"
167 MACHINE_CPU = mmx k6 k5 i586
168 . elif ${CPUTYPE} == "k5"
169 MACHINE_CPU = k5 i586
170 . elif ${CPUTYPE} == "core-avx2"
171 MACHINE_CPU = avx2 avx sse42 sse41 ssse3 sse3 sse2 sse i686 mmx i586
172 . elif ${CPUTYPE} == "core-avx-i" || ${CPUTYPE} == "corei7-avx"
173 MACHINE_CPU = avx sse42 sse41 ssse3 sse3 sse2 sse i686 mmx i586
174 . elif ${CPUTYPE} == "slm" || ${CPUTYPE} == "corei7"
175 MACHINE_CPU = sse42 sse41 ssse3 sse3 sse2 sse i686 mmx i586
176 . elif ${CPUTYPE} == "penryn"
177 MACHINE_CPU = sse41 ssse3 sse3 sse2 sse i686 mmx i586
178 . elif ${CPUTYPE} == "atom" || ${CPUTYPE} == "core2"
179 MACHINE_CPU = ssse3 sse3 sse2 sse i686 mmx i586
180 . elif ${CPUTYPE} == "yonah" || ${CPUTYPE} == "prescott"
181 MACHINE_CPU = sse3 sse2 sse i686 mmx i586
182 . elif ${CPUTYPE} == "pentium4" || ${CPUTYPE} == "pentium4m" || \
183 ${CPUTYPE} == "pentium-m"
184 MACHINE_CPU = sse2 sse i686 mmx i586
185 . elif ${CPUTYPE} == "pentium3" || ${CPUTYPE} == "pentium3m"
186 MACHINE_CPU = sse i686 mmx i586
187 . elif ${CPUTYPE} == "pentium2"
188 MACHINE_CPU = i686 mmx i586
189 . elif ${CPUTYPE} == "pentiumpro"
190 MACHINE_CPU = i686 i586
191 . elif ${CPUTYPE} == "pentium-mmx"
192 MACHINE_CPU = mmx i586
193 . elif ${CPUTYPE} == "pentium"
195 . elif ${CPUTYPE} == "c7"
196 MACHINE_CPU = sse3 sse2 sse i686 mmx i586
197 . elif ${CPUTYPE} == "c3-2"
198 MACHINE_CPU = sse i686 mmx i586
199 . elif ${CPUTYPE} == "c3"
200 MACHINE_CPU = 3dnow mmx i586
201 . elif ${CPUTYPE} == "winchip2"
202 MACHINE_CPU = 3dnow mmx
203 . elif ${CPUTYPE} == "winchip-c6"
207 . elif ${MACHINE_CPUARCH} == "amd64"
208 . if ${CPUTYPE} == "bdver3" || ${CPUTYPE} == "bdver2" || \
209 ${CPUTYPE} == "bdver1"
210 MACHINE_CPU = xop avx sse42 sse41 ssse3 sse4a sse3
211 . elif ${CPUTYPE} == "btver2"
212 MACHINE_CPU = avx sse42 sse41 ssse3 sse4a sse3
213 . elif ${CPUTYPE} == "btver1"
214 MACHINE_CPU = ssse3 sse4a sse3
215 . elif ${CPUTYPE} == "amdfam10"
216 MACHINE_CPU = k8 3dnow sse4a sse3
217 . elif ${CPUTYPE} == "opteron-sse3" || ${CPUTYPE} == "athlon64-sse3" || \
218 ${CPUTYPE} == "k8-sse3"
219 MACHINE_CPU = k8 3dnow sse3
220 . elif ${CPUTYPE} == "opteron" || ${CPUTYPE} == "athlon64" || \
221 ${CPUTYPE} == "athlon-fx" || ${CPUTYPE} == "k8"
222 MACHINE_CPU = k8 3dnow
223 . elif ${CPUTYPE} == "core-avx2"
224 MACHINE_CPU = avx2 avx sse42 sse41 ssse3 sse3
225 . elif ${CPUTYPE} == "core-avx-i" || ${CPUTYPE} == "corei7-avx"
226 MACHINE_CPU = avx sse42 sse41 ssse3 sse3
227 . elif ${CPUTYPE} == "slm" || ${CPUTYPE} == "corei7"
228 MACHINE_CPU = sse42 sse41 ssse3 sse3
229 . elif ${CPUTYPE} == "penryn"
230 MACHINE_CPU = sse41 ssse3 sse3
231 . elif ${CPUTYPE} == "atom" || ${CPUTYPE} == "core2"
232 MACHINE_CPU = ssse3 sse3
233 . elif ${CPUTYPE} == "nocona"
236 MACHINE_CPU += amd64 sse2 sse mmx
237 . elif ${MACHINE_CPUARCH} == "ia64"
238 . if ${CPUTYPE} == "itanium"
239 MACHINE_CPU = itanium
241 . elif ${MACHINE_ARCH} == "powerpc"
242 . if ${CPUTYPE} == "e500"
245 . elif ${MACHINE_ARCH} == "sparc64"
246 . if ${CPUTYPE} == "v9"
248 . elif ${CPUTYPE} == "ultrasparc"
249 MACHINE_CPU = v9 ultrasparc
250 . elif ${CPUTYPE} == "ultrasparc3"
251 MACHINE_CPU = v9 ultrasparc ultrasparc3
256 .if ${MACHINE_CPUARCH} == "mips"
260 .if ${MACHINE_ARCH} == "armv6"
261 _CPUCFLAGS += -mfloat-abi=softfp
264 # NB: COPTFLAGS is handled in /usr/src/sys/conf/kern.pre.mk
266 .if !defined(NO_CPU_CFLAGS)
267 CFLAGS += ${_CPUCFLAGS}
271 # Prohibit the compiler from emitting SIMD instructions.
272 # These flags are added to CFLAGS in areas where the extra context-switch
273 # cost outweighs the advantages of SIMD instructions.
276 # Setting -mno-mmx implies -mno-3dnow
277 # Setting -mno-sse implies -mno-sse2, -mno-sse3, -mno-ssse3 and -mfpmath=387
280 # Setting -mno-mmx implies -mno-3dnow and -mno-3dnowa
281 # Setting -mno-sse implies -mno-sse2, -mno-sse3, -mno-ssse3, -mno-sse41 and
283 # (-mfpmath= is not supported)
285 .if ${MACHINE_CPUARCH} == "i386" || ${MACHINE_CPUARCH} == "amd64"
286 CFLAGS_NO_SIMD.clang= -mno-avx
287 CFLAGS_NO_SIMD= -mno-mmx -mno-sse
289 CFLAGS_NO_SIMD += ${CFLAGS_NO_SIMD.${COMPILER_TYPE}}
291 # Add in any architecture-specific CFLAGS.
292 # These come from make.conf or the command line or the environment.
293 CFLAGS += ${CFLAGS.${MACHINE_ARCH}}
294 CXXFLAGS += ${CXXFLAGS.${MACHINE_ARCH}}