xref: /freebsd-11-stable/share/mk/bsd.cpu.mk (revision fd644be3d2a96caa7252b1055f0d0d969e1a3172) 
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} == "riscv"
22MACHINE_CPU = riscv
23. elif ${MACHINE_CPUARCH} == "sparc64"
24MACHINE_CPU = ultrasparc
25. endif
26.else
27
28# Handle aliases (not documented in make.conf to avoid user confusion
29# between e.g. i586 and pentium)
30
31. if ${MACHINE_CPUARCH} == "amd64" || ${MACHINE_CPUARCH} == "i386"
32.  if ${CPUTYPE} == "barcelona"
33CPUTYPE = amdfam10
34.  elif ${CPUTYPE} == "skx"
35CPUTYPE = skylake-avx512
36.  elif ${CPUTYPE} == "core-avx2"
37CPUTYPE = haswell
38.  elif ${CPUTYPE} == "core-avx-i"
39CPUTYPE = ivybridge
40.  elif ${CPUTYPE} == "corei7-avx"
41CPUTYPE = sandybridge
42.  elif ${CPUTYPE} == "corei7"
43CPUTYPE = nehalem
44.  elif ${CPUTYPE} == "slm"
45CPUTYPE = silvermont
46.  elif ${CPUTYPE} == "atom"
47CPUTYPE = bonnell
48.  elif ${CPUTYPE} == "core"
49CPUTYPE = prescott
50.  endif
51.  if ${MACHINE_CPUARCH} == "amd64"
52.   if ${CPUTYPE} == "prescott"
53CPUTYPE = nocona
54.   endif
55.  else
56.   if ${CPUTYPE} == "k7"
57CPUTYPE = athlon
58.   elif ${CPUTYPE} == "p4"
59CPUTYPE = pentium4
60.   elif ${CPUTYPE} == "p4m"
61CPUTYPE = pentium4m
62.   elif ${CPUTYPE} == "p3"
63CPUTYPE = pentium3
64.   elif ${CPUTYPE} == "p3m"
65CPUTYPE = pentium3m
66.   elif ${CPUTYPE} == "p-m"
67CPUTYPE = pentium-m
68.   elif ${CPUTYPE} == "p2"
69CPUTYPE = pentium2
70.   elif ${CPUTYPE} == "i686"
71CPUTYPE = pentiumpro
72.   elif ${CPUTYPE} == "i586/mmx"
73CPUTYPE = pentium-mmx
74.   elif ${CPUTYPE} == "i586"
75CPUTYPE = pentium
76.   endif
77.  endif
78. elif ${MACHINE_ARCH} == "sparc64"
79.  if ${CPUTYPE} == "us"
80CPUTYPE = ultrasparc
81.  elif ${CPUTYPE} == "us3"
82CPUTYPE = ultrasparc3
83.  endif
84. endif
85
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
95
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 ${CPUTYPE} == "c7"
102_CPUCFLAGS = -march=c3-2
103.  else
104_CPUCFLAGS = -march=${CPUTYPE}
105.  endif
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}
125.  else
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}
135. endif
136. elif ${MACHINE_ARCH} == "powerpc"
137.  if ${CPUTYPE} == "e500"
138_CPUCFLAGS = -Wa,-me500 -msoft-float
139.  else
140_CPUCFLAGS = -mcpu=${CPUTYPE} -mno-powerpc64
141.  endif
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}
150. else
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,
155#	sb1, xlp, xlr
156_CPUCFLAGS = -march=${CPUTYPE:S/^mips//}
157. endif
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
167.  endif
168. elif ${MACHINE_CPUARCH} == "aarch64"
169_CPUCFLAGS = -mcpu=${CPUTYPE}
170. endif
171
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.
175
176########## i386
177. if ${MACHINE_CPUARCH} == "i386"
178.  if ${CPUTYPE} == "znver1"
179MACHINE_CPU = avx2 avx sse42 sse41 ssse3 sse4a sse3 sse2 sse mmx k6 k5 i586
180.  elif ${CPUTYPE} == "bdver4"
181MACHINE_CPU = xop avx2 avx sse42 sse41 ssse3 sse4a sse3 sse2 sse mmx k6 k5 i586
182.  elif ${CPUTYPE} == "bdver3" || ${CPUTYPE} == "bdver2" || \
183    ${CPUTYPE} == "bdver1"
184MACHINE_CPU = xop avx sse42 sse41 ssse3 sse4a sse3 sse2 sse mmx k6 k5 i586
185.  elif ${CPUTYPE} == "btver2"
186MACHINE_CPU = avx sse42 sse41 ssse3 sse4a sse3 sse2 sse mmx k6 k5 i586
187.  elif ${CPUTYPE} == "btver1"
188MACHINE_CPU = ssse3 sse4a sse3 sse2 sse mmx k6 k5 i586
189.  elif ${CPUTYPE} == "amdfam10"
190MACHINE_CPU = athlon-xp athlon k7 3dnow sse4a sse3 sse2 sse mmx k6 k5 i586
191.  elif ${CPUTYPE} == "opteron-sse3" || ${CPUTYPE} == "athlon64-sse3"
192MACHINE_CPU = athlon-xp athlon k7 3dnow sse3 sse2 sse mmx k6 k5 i586
193.  elif ${CPUTYPE} == "opteron" || ${CPUTYPE} == "athlon64" || \
194    ${CPUTYPE} == "athlon-fx"
195MACHINE_CPU = athlon-xp athlon k7 3dnow sse2 sse mmx k6 k5 i586
196.  elif ${CPUTYPE} == "athlon-mp" || ${CPUTYPE} == "athlon-xp" || \
197    ${CPUTYPE} == "athlon-4"
198MACHINE_CPU = athlon-xp athlon k7 3dnow sse mmx k6 k5 i586
199.  elif ${CPUTYPE} == "athlon" || ${CPUTYPE} == "athlon-tbird"
200MACHINE_CPU = athlon k7 3dnow mmx k6 k5 i586
201.  elif ${CPUTYPE} == "k6-3" || ${CPUTYPE} == "k6-2" || ${CPUTYPE} == "geode"
202MACHINE_CPU = 3dnow mmx k6 k5 i586
203.  elif ${CPUTYPE} == "k6"
204MACHINE_CPU = mmx k6 k5 i586
205.  elif ${CPUTYPE} == "k5"
206MACHINE_CPU = k5 i586
207.  elif ${CPUTYPE} == "icelake-server" || ${CPUTYPE} == "icelake-client" || \
208    ${CPUTYPE} == "cannonlake" || ${CPUTYPE} == "knm" || \
209    ${CPUTYPE} == "skylake-avx512" || ${CPUTYPE} == "knl"
210MACHINE_CPU = avx512 avx2 avx sse42 sse41 ssse3 sse3 sse2 sse i686 mmx i586
211.  elif ${CPUTYPE} == "skylake" || ${CPUTYPE} == "broadwell" || \
212    ${CPUTYPE} == "haswell"
213MACHINE_CPU = avx2 avx sse42 sse41 ssse3 sse3 sse2 sse i686 mmx i586
214.  elif ${CPUTYPE} == "ivybridge" || ${CPUTYPE} == "sandybridge"
215MACHINE_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"
219MACHINE_CPU = sse42 sse41 ssse3 sse3 sse2 sse i686 mmx i586
220.  elif ${CPUTYPE} == "penryn"
221MACHINE_CPU = sse41 ssse3 sse3 sse2 sse i686 mmx i586
222.  elif ${CPUTYPE} == "core2" || ${CPUTYPE} == "bonnell"
223MACHINE_CPU = ssse3 sse3 sse2 sse i686 mmx i586
224.  elif ${CPUTYPE} == "yonah" || ${CPUTYPE} == "prescott"
225MACHINE_CPU = sse3 sse2 sse i686 mmx i586
226.  elif ${CPUTYPE} == "pentium4" || ${CPUTYPE} == "pentium4m" || \
227    ${CPUTYPE} == "pentium-m"
228MACHINE_CPU = sse2 sse i686 mmx i586
229.  elif ${CPUTYPE} == "pentium3" || ${CPUTYPE} == "pentium3m"
230MACHINE_CPU = sse i686 mmx i586
231.  elif ${CPUTYPE} == "pentium2"
232MACHINE_CPU = i686 mmx i586
233.  elif ${CPUTYPE} == "pentiumpro"
234MACHINE_CPU = i686 i586
235.  elif ${CPUTYPE} == "pentium-mmx"
236MACHINE_CPU = mmx i586
237.  elif ${CPUTYPE} == "pentium"
238MACHINE_CPU = i586
239.  elif ${CPUTYPE} == "c7"
240MACHINE_CPU = sse3 sse2 sse i686 mmx i586
241.  elif ${CPUTYPE} == "c3-2"
242MACHINE_CPU = sse i686 mmx i586
243.  elif ${CPUTYPE} == "c3"
244MACHINE_CPU = 3dnow mmx i586
245.  elif ${CPUTYPE} == "winchip2"
246MACHINE_CPU = 3dnow mmx
247.  elif ${CPUTYPE} == "winchip-c6"
248MACHINE_CPU = mmx
249.  endif
250MACHINE_CPU += i486
251########## amd64
252. elif ${MACHINE_CPUARCH} == "amd64"
253.  if ${CPUTYPE} == "znver1"
254MACHINE_CPU = avx2 avx sse42 sse41 ssse3 sse4a sse3
255.  elif ${CPUTYPE} == "bdver4"
256MACHINE_CPU = xop avx2 avx sse42 sse41 ssse3 sse4a sse3
257.  elif ${CPUTYPE} == "bdver3" || ${CPUTYPE} == "bdver2" || \
258    ${CPUTYPE} == "bdver1"
259MACHINE_CPU = xop avx sse42 sse41 ssse3 sse4a sse3
260.  elif ${CPUTYPE} == "btver2"
261MACHINE_CPU = avx sse42 sse41 ssse3 sse4a sse3
262.  elif ${CPUTYPE} == "btver1"
263MACHINE_CPU = ssse3 sse4a sse3
264.  elif ${CPUTYPE} == "amdfam10"
265MACHINE_CPU = k8 3dnow sse4a sse3
266.  elif ${CPUTYPE} == "opteron-sse3" || ${CPUTYPE} == "athlon64-sse3" || \
267    ${CPUTYPE} == "k8-sse3"
268MACHINE_CPU = k8 3dnow sse3
269.  elif ${CPUTYPE} == "opteron" || ${CPUTYPE} == "athlon64" || \
270    ${CPUTYPE} == "athlon-fx" || ${CPUTYPE} == "k8"
271MACHINE_CPU = k8 3dnow
272.  elif ${CPUTYPE} == "icelake-server" || ${CPUTYPE} == "icelake-client" || \
273    ${CPUTYPE} == "cannonlake" || ${CPUTYPE} == "knm" || \
274    ${CPUTYPE} == "skylake-avx512" || ${CPUTYPE} == "knl"
275MACHINE_CPU = avx512 avx2 avx sse42 sse41 ssse3 sse3
276.  elif ${CPUTYPE} == "skylake" || ${CPUTYPE} == "broadwell" || \
277    ${CPUTYPE} == "haswell"
278MACHINE_CPU = avx2 avx sse42 sse41 ssse3 sse3
279.  elif ${CPUTYPE} == "ivybridge" || ${CPUTYPE} == "sandybridge"
280MACHINE_CPU = avx sse42 sse41 ssse3 sse3
281.  elif ${CPUTYPE} == "tremont" || ${CPUTYPE} == "goldmont-plus" || \
282    ${CPUTYPE} == "goldmont" || ${CPUTYPE} == "westmere" || \
283    ${CPUTYPE} == "nehalem" || ${CPUTYPE} == "silvermont"
284MACHINE_CPU = sse42 sse41 ssse3 sse3
285.  elif ${CPUTYPE} == "penryn"
286MACHINE_CPU = sse41 ssse3 sse3
287.  elif ${CPUTYPE} == "core2" || ${CPUTYPE} == "bonnell"
288MACHINE_CPU = ssse3 sse3
289.  elif ${CPUTYPE} == "nocona"
290MACHINE_CPU = sse3
291.  endif
292MACHINE_CPU += amd64 sse2 sse mmx
293########## Mips
294. elif ${MACHINE_CPUARCH} == "mips"
295MACHINE_CPU = mips
296########## powerpc
297. elif ${MACHINE_ARCH} == "powerpc"
298.  if ${CPUTYPE} == "e500"
299MACHINE_CPU = booke softfp
300.  endif
301########## riscv
302. elif ${MACHINE_CPUARCH} == "riscv"
303MACHINE_CPU = riscv
304########## sparc64
305. elif ${MACHINE_ARCH} == "sparc64"
306.  if ${CPUTYPE} == "v9"
307MACHINE_CPU = v9
308.  elif ${CPUTYPE} == "ultrasparc"
309MACHINE_CPU = v9 ultrasparc
310.  elif ${CPUTYPE} == "ultrasparc3"
311MACHINE_CPU = v9 ultrasparc ultrasparc3
312.  endif
313. endif
314.endif
315
316.if ${MACHINE_CPUARCH} == "mips"
317CFLAGS += -G0
318.endif
319
320########## arm
321.if ${MACHINE_CPUARCH} == "arm"
322MACHINE_CPU += arm
323. if ${MACHINE_ARCH:Marmv6*} != ""
324MACHINE_CPU += armv6
325. endif
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
329# for them.
330. if ${MACHINE_ARCH:Marmv6*} == ""
331MACHINE_CPU += softfp
332. endif
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.
340CFLAGS += -mfloat-abi=softfp
341.endif
342.endif
343
344.if ${MACHINE_CPUARCH} == "riscv"
345CFLAGS += -msoft-float
346.endif
347
348# NB: COPTFLAGS is handled in /usr/src/sys/conf/kern.pre.mk
349
350.if !defined(NO_CPU_CFLAGS)
351CFLAGS += ${_CPUCFLAGS}
352.endif
353
354#
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.
358#
359# gcc:
360# Setting -mno-mmx implies -mno-3dnow
361# Setting -mno-sse implies -mno-sse2, -mno-sse3, -mno-ssse3 and -mfpmath=387
362#
363# clang:
364# Setting -mno-mmx implies -mno-3dnow and -mno-3dnowa
365# Setting -mno-sse implies -mno-sse2, -mno-sse3, -mno-ssse3, -mno-sse41 and
366# -mno-sse42
367# (-mfpmath= is not supported)
368#
369.if ${MACHINE_CPUARCH} == "i386" || ${MACHINE_CPUARCH} == "amd64"
370CFLAGS_NO_SIMD.clang= -mno-avx
371CFLAGS_NO_SIMD= -mno-mmx -mno-sse
372.endif
373CFLAGS_NO_SIMD += ${CFLAGS_NO_SIMD.${COMPILER_TYPE}}
374
375# Add in any architecture-specific CFLAGS.
376# These come from make.conf or the command line or the environment.
377CFLAGS += ${CFLAGS.${MACHINE_ARCH}}
378CXXFLAGS += ${CXXFLAGS.${MACHINE_ARCH}}
379