xref: /freebsd/share/mk/bsd.cpu.mk (revision 2830819497fb2deae3dd71574592ace55f2fbdba) 
1# $FreeBSD$
2
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.
6
7.if !defined(CPUTYPE) || empty(CPUTYPE)
8_CPUCFLAGS =
9. if ${MACHINE_CPUARCH} == "aarch64"
10MACHINE_CPU = arm64
11. elif ${MACHINE_CPUARCH} == "amd64"
12MACHINE_CPU = amd64 sse2 sse mmx
13. elif ${MACHINE_CPUARCH} == "arm"
14MACHINE_CPU = arm
15. elif ${MACHINE_CPUARCH} == "i386"
16MACHINE_CPU = i486
17. elif ${MACHINE_CPUARCH} == "mips"
18MACHINE_CPU = mips
19. elif ${MACHINE_CPUARCH} == "powerpc"
20MACHINE_CPU = aim
21. elif ${MACHINE_CPUARCH} == "sparc64"
22MACHINE_CPU = ultrasparc
23. endif
24.else
25
26# Handle aliases (not documented in make.conf to avoid user confusion
27# between e.g. i586 and pentium)
28
29. if ${MACHINE_CPUARCH} == "amd64" || ${MACHINE_CPUARCH} == "i386"
30.  if ${CPUTYPE} == "barcelona"
31CPUTYPE = amdfam10
32.  elif ${CPUTYPE} == "core-avx2"
33CPUTYPE = haswell
34.  elif ${CPUTYPE} == "core-avx-i"
35CPUTYPE = ivybridge
36.  elif ${CPUTYPE} == "corei7-avx"
37CPUTYPE = sandybridge
38.  elif ${CPUTYPE} == "corei7"
39CPUTYPE = nehalem
40.  elif ${CPUTYPE} == "slm"
41CPUTYPE = silvermont
42.  elif ${CPUTYPE} == "atom"
43CPUTYPE = bonnell
44.  elif ${CPUTYPE} == "core"
45CPUTYPE = prescott
46.  endif
47.  if ${MACHINE_CPUARCH} == "amd64"
48.   if ${CPUTYPE} == "prescott"
49CPUTYPE = nocona
50.   endif
51.  else
52.   if ${CPUTYPE} == "k7"
53CPUTYPE = athlon
54.   elif ${CPUTYPE} == "p4"
55CPUTYPE = pentium4
56.   elif ${CPUTYPE} == "p4m"
57CPUTYPE = pentium4m
58.   elif ${CPUTYPE} == "p3"
59CPUTYPE = pentium3
60.   elif ${CPUTYPE} == "p3m"
61CPUTYPE = pentium3m
62.   elif ${CPUTYPE} == "p-m"
63CPUTYPE = pentium-m
64.   elif ${CPUTYPE} == "p2"
65CPUTYPE = pentium2
66.   elif ${CPUTYPE} == "i686"
67CPUTYPE = pentiumpro
68.   elif ${CPUTYPE} == "i586/mmx"
69CPUTYPE = pentium-mmx
70.   elif ${CPUTYPE} == "i586"
71CPUTYPE = pentium
72.   endif
73.  endif
74. elif ${MACHINE_ARCH} == "sparc64"
75.  if ${CPUTYPE} == "us"
76CPUTYPE = ultrasparc
77.  elif ${CPUTYPE} == "us3"
78CPUTYPE = ultrasparc3
79.  endif
80. endif
81
82###############################################################################
83# Logic to set up correct gcc optimization flag.  This must be included
84# after /etc/make.conf so it can react to the local value of CPUTYPE
85# defined therein.  Consult:
86#	http://gcc.gnu.org/onlinedocs/gcc/ARM-Options.html
87#	http://gcc.gnu.org/onlinedocs/gcc/RS-6000-and-PowerPC-Options.html
88#	http://gcc.gnu.org/onlinedocs/gcc/MIPS-Options.html
89#	http://gcc.gnu.org/onlinedocs/gcc/SPARC-Options.html
90#	http://gcc.gnu.org/onlinedocs/gcc/i386-and-x86_002d64-Options.html
91
92. if ${MACHINE_CPUARCH} == "i386"
93.  if ${CPUTYPE} == "crusoe"
94_CPUCFLAGS = -march=i686 -falign-functions=0 -falign-jumps=0 -falign-loops=0
95.  elif ${CPUTYPE} == "k5"
96_CPUCFLAGS = -march=pentium
97.  elif ${CPUTYPE} == "c7"
98_CPUCFLAGS = -march=c3-2
99.  else
100_CPUCFLAGS = -march=${CPUTYPE}
101.  endif
102. elif ${MACHINE_CPUARCH} == "amd64"
103_CPUCFLAGS = -march=${CPUTYPE}
104. elif ${MACHINE_CPUARCH} == "arm"
105.  if ${CPUTYPE} == "xscale"
106#XXX: gcc doesn't seem to like -mcpu=xscale, and dies while rebuilding itself
107#_CPUCFLAGS = -mcpu=xscale
108_CPUCFLAGS = -march=armv5te -D__XSCALE__
109. elif ${CPUTYPE} == "armv6"
110_CPUCFLAGS = -march=${CPUTYPE} -DARM_ARCH_6=1
111. elif ${CPUTYPE} == "cortexa"
112_CPUCFLAGS = -march=armv7 -DARM_ARCH_6=1 -mfpu=vfp
113.  else
114_CPUCFLAGS = -mcpu=${CPUTYPE}
115.  endif
116. elif ${MACHINE_ARCH} == "powerpc"
117.  if ${CPUTYPE} == "e500"
118_CPUCFLAGS = -Wa,-me500 -msoft-float
119.  else
120_CPUCFLAGS = -mcpu=${CPUTYPE} -mno-powerpc64
121.  endif
122. elif ${MACHINE_ARCH} == "powerpc64"
123_CPUCFLAGS = -mcpu=${CPUTYPE}
124. elif ${MACHINE_CPUARCH} == "mips"
125.  if ${CPUTYPE} == "mips32"
126_CPUCFLAGS = -march=mips32
127.  elif ${CPUTYPE} == "mips32r2"
128_CPUCFLAGS = -march=mips32r2
129.  elif ${CPUTYPE} == "mips64"
130_CPUCFLAGS = -march=mips64
131.  elif ${CPUTYPE} == "mips64r2"
132_CPUCFLAGS = -march=mips64r2
133.  elif ${CPUTYPE} == "mips4kc"
134_CPUCFLAGS = -march=4kc
135.  elif ${CPUTYPE} == "mips24kc"
136_CPUCFLAGS = -march=24kc
137.  endif
138. elif ${MACHINE_ARCH} == "sparc64"
139.  if ${CPUTYPE} == "v9"
140_CPUCFLAGS = -mcpu=v9
141.  elif ${CPUTYPE} == "ultrasparc"
142_CPUCFLAGS = -mcpu=ultrasparc
143.  elif ${CPUTYPE} == "ultrasparc3"
144_CPUCFLAGS = -mcpu=ultrasparc3
145.  endif
146. endif
147
148# Set up the list of CPU features based on the CPU type.  This is an
149# unordered list to make it easy for client makefiles to test for the
150# presence of a CPU feature.
151
152########## i386
153. if ${MACHINE_CPUARCH} == "i386"
154.  if ${CPUTYPE} == "bdver4"
155MACHINE_CPU = xop avx2 avx sse42 sse41 ssse3 sse4a sse3 sse2 sse mmx k6 k5 i586
156.  elif ${CPUTYPE} == "bdver3" || ${CPUTYPE} == "bdver2" || \
157    ${CPUTYPE} == "bdver1"
158MACHINE_CPU = xop avx sse42 sse41 ssse3 sse4a sse3 sse2 sse mmx k6 k5 i586
159.  elif ${CPUTYPE} == "btver2"
160MACHINE_CPU = avx sse42 sse41 ssse3 sse4a sse3 sse2 sse mmx k6 k5 i586
161.  elif ${CPUTYPE} == "btver1"
162MACHINE_CPU = ssse3 sse4a sse3 sse2 sse mmx k6 k5 i586
163.  elif ${CPUTYPE} == "amdfam10"
164MACHINE_CPU = athlon-xp athlon k7 3dnow sse4a sse3 sse2 sse mmx k6 k5 i586
165.  elif ${CPUTYPE} == "opteron-sse3" || ${CPUTYPE} == "athlon64-sse3"
166MACHINE_CPU = athlon-xp athlon k7 3dnow sse3 sse2 sse mmx k6 k5 i586
167.  elif ${CPUTYPE} == "opteron" || ${CPUTYPE} == "athlon64" || \
168    ${CPUTYPE} == "athlon-fx"
169MACHINE_CPU = athlon-xp athlon k7 3dnow sse2 sse mmx k6 k5 i586
170.  elif ${CPUTYPE} == "athlon-mp" || ${CPUTYPE} == "athlon-xp" || \
171    ${CPUTYPE} == "athlon-4"
172MACHINE_CPU = athlon-xp athlon k7 3dnow sse mmx k6 k5 i586
173.  elif ${CPUTYPE} == "athlon" || ${CPUTYPE} == "athlon-tbird"
174MACHINE_CPU = athlon k7 3dnow mmx k6 k5 i586
175.  elif ${CPUTYPE} == "k6-3" || ${CPUTYPE} == "k6-2" || ${CPUTYPE} == "geode"
176MACHINE_CPU = 3dnow mmx k6 k5 i586
177.  elif ${CPUTYPE} == "k6"
178MACHINE_CPU = mmx k6 k5 i586
179.  elif ${CPUTYPE} == "k5"
180MACHINE_CPU = k5 i586
181.  elif ${CPUTYPE} == "skylake" || ${CPUTYPE} == "knl"
182MACHINE_CPU = avx512 avx2 avx sse42 sse41 ssse3 sse3 sse2 sse i686 mmx i586
183.  elif ${CPUTYPE} == "broadwell" || ${CPUTYPE} == "haswell"
184MACHINE_CPU = avx2 avx sse42 sse41 ssse3 sse3 sse2 sse i686 mmx i586
185.  elif ${CPUTYPE} == "ivybridge" || ${CPUTYPE} == "sandybridge"
186MACHINE_CPU = avx sse42 sse41 ssse3 sse3 sse2 sse i686 mmx i586
187.  elif ${CPUTYPE} == "westmere" || ${CPUTYPE} == "nehalem" || \
188    ${CPUTYPE} == "silvermont"
189MACHINE_CPU = sse42 sse41 ssse3 sse3 sse2 sse i686 mmx i586
190.  elif ${CPUTYPE} == "penryn"
191MACHINE_CPU = sse41 ssse3 sse3 sse2 sse i686 mmx i586
192.  elif ${CPUTYPE} == "core2" || ${CPUTYPE} == "bonnell"
193MACHINE_CPU = ssse3 sse3 sse2 sse i686 mmx i586
194.  elif ${CPUTYPE} == "yonah" || ${CPUTYPE} == "prescott"
195MACHINE_CPU = sse3 sse2 sse i686 mmx i586
196.  elif ${CPUTYPE} == "pentium4" || ${CPUTYPE} == "pentium4m" || \
197    ${CPUTYPE} == "pentium-m"
198MACHINE_CPU = sse2 sse i686 mmx i586
199.  elif ${CPUTYPE} == "pentium3" || ${CPUTYPE} == "pentium3m"
200MACHINE_CPU = sse i686 mmx i586
201.  elif ${CPUTYPE} == "pentium2"
202MACHINE_CPU = i686 mmx i586
203.  elif ${CPUTYPE} == "pentiumpro"
204MACHINE_CPU = i686 i586
205.  elif ${CPUTYPE} == "pentium-mmx"
206MACHINE_CPU = mmx i586
207.  elif ${CPUTYPE} == "pentium"
208MACHINE_CPU = i586
209.  elif ${CPUTYPE} == "c7"
210MACHINE_CPU = sse3 sse2 sse i686 mmx i586
211.  elif ${CPUTYPE} == "c3-2"
212MACHINE_CPU = sse i686 mmx i586
213.  elif ${CPUTYPE} == "c3"
214MACHINE_CPU = 3dnow mmx i586
215.  elif ${CPUTYPE} == "winchip2"
216MACHINE_CPU = 3dnow mmx
217.  elif ${CPUTYPE} == "winchip-c6"
218MACHINE_CPU = mmx
219.  endif
220MACHINE_CPU += i486
221########## amd64
222. elif ${MACHINE_CPUARCH} == "amd64"
223.  if ${CPUTYPE} == "bdver4"
224MACHINE_CPU = xop avx2 avx sse42 sse41 ssse3 sse4a sse3
225.  elif ${CPUTYPE} == "bdver3" || ${CPUTYPE} == "bdver2" || \
226    ${CPUTYPE} == "bdver1"
227MACHINE_CPU = xop avx sse42 sse41 ssse3 sse4a sse3
228.  elif ${CPUTYPE} == "btver2"
229MACHINE_CPU = avx sse42 sse41 ssse3 sse4a sse3
230.  elif ${CPUTYPE} == "btver1"
231MACHINE_CPU = ssse3 sse4a sse3
232.  elif ${CPUTYPE} == "amdfam10"
233MACHINE_CPU = k8 3dnow sse4a sse3
234.  elif ${CPUTYPE} == "opteron-sse3" || ${CPUTYPE} == "athlon64-sse3" || \
235    ${CPUTYPE} == "k8-sse3"
236MACHINE_CPU = k8 3dnow sse3
237.  elif ${CPUTYPE} == "opteron" || ${CPUTYPE} == "athlon64" || \
238    ${CPUTYPE} == "athlon-fx" || ${CPUTYPE} == "k8"
239MACHINE_CPU = k8 3dnow
240.  elif ${CPUTYPE} == "skylake" || ${CPUTYPE} == "knl"
241MACHINE_CPU = avx512 avx2 avx sse42 sse41 ssse3 sse3
242.  elif ${CPUTYPE} == "broadwell" || ${CPUTYPE} == "haswell"
243MACHINE_CPU = avx2 avx sse42 sse41 ssse3 sse3
244.  elif ${CPUTYPE} == "ivybridge" || ${CPUTYPE} == "sandybridge"
245MACHINE_CPU = avx sse42 sse41 ssse3 sse3
246.  elif ${CPUTYPE} == "westmere" || ${CPUTYPE} == "nehalem" || \
247    ${CPUTYPE} == "silvermont"
248MACHINE_CPU = sse42 sse41 ssse3 sse3
249.  elif ${CPUTYPE} == "penryn"
250MACHINE_CPU = sse41 ssse3 sse3
251.  elif ${CPUTYPE} == "core2" || ${CPUTYPE} == "bonnell"
252MACHINE_CPU = ssse3 sse3
253.  elif ${CPUTYPE} == "nocona"
254MACHINE_CPU = sse3
255.  endif
256MACHINE_CPU += amd64 sse2 sse mmx
257########## powerpc
258. elif ${MACHINE_ARCH} == "powerpc"
259.  if ${CPUTYPE} == "e500"
260MACHINE_CPU = booke softfp
261.  endif
262########## sparc64
263. elif ${MACHINE_ARCH} == "sparc64"
264.  if ${CPUTYPE} == "v9"
265MACHINE_CPU = v9
266.  elif ${CPUTYPE} == "ultrasparc"
267MACHINE_CPU = v9 ultrasparc
268.  elif ${CPUTYPE} == "ultrasparc3"
269MACHINE_CPU = v9 ultrasparc ultrasparc3
270.  endif
271. endif
272.endif
273
274.if ${MACHINE_CPUARCH} == "mips"
275CFLAGS += -G0
276.endif
277
278########## arm
279.if ${MACHINE_CPUARCH} == "arm"
280MACHINE_CPU += arm
281. if ${MACHINE_ARCH:Marmv6*} != ""
282MACHINE_CPU += armv6
283. endif
284# armv6 is a hybrid. It uses the softfp ABI, but doesn't emulate
285# floating point in the general case, so don't define softfp for
286# it at this time. arm and armeb are pure softfp, so define it
287# for them.
288. if ${MACHINE_ARCH:Marmv6*} == ""
289MACHINE_CPU += softfp
290. endif
291.if ${MACHINE_ARCH} == "armv6"
292# Needs to be CFLAGS not _CPUCFLAGS because it's needed for the ABI
293# not a nice optimization.
294CFLAGS += -mfloat-abi=softfp
295.endif
296.endif
297
298# NB: COPTFLAGS is handled in /usr/src/sys/conf/kern.pre.mk
299
300.if !defined(NO_CPU_CFLAGS)
301CFLAGS += ${_CPUCFLAGS}
302.endif
303
304#
305# Prohibit the compiler from emitting SIMD instructions.
306# These flags are added to CFLAGS in areas where the extra context-switch
307# cost outweighs the advantages of SIMD instructions.
308#
309# gcc:
310# Setting -mno-mmx implies -mno-3dnow
311# Setting -mno-sse implies -mno-sse2, -mno-sse3, -mno-ssse3 and -mfpmath=387
312#
313# clang:
314# Setting -mno-mmx implies -mno-3dnow and -mno-3dnowa
315# Setting -mno-sse implies -mno-sse2, -mno-sse3, -mno-ssse3, -mno-sse41 and
316# -mno-sse42
317# (-mfpmath= is not supported)
318#
319.if ${MACHINE_CPUARCH} == "i386" || ${MACHINE_CPUARCH} == "amd64"
320CFLAGS_NO_SIMD.clang= -mno-avx
321CFLAGS_NO_SIMD= -mno-mmx -mno-sse
322.endif
323CFLAGS_NO_SIMD += ${CFLAGS_NO_SIMD.${COMPILER_TYPE}}
324
325# Add in any architecture-specific CFLAGS.
326# These come from make.conf or the command line or the environment.
327CFLAGS += ${CFLAGS.${MACHINE_ARCH}}
328CXXFLAGS += ${CXXFLAGS.${MACHINE_ARCH}}
329