xref: /freebsd/share/mk/bsd.cpu.mk (revision 8aac90f18aef7c9eea906c3ff9a001ca7b94f375) 
1
2# Set default CPU compile flags and baseline CPUTYPE for each arch.  The
3# compile flags must support the minimum CPU type for each architecture but
4# may tune support for more advanced processors.
5
6.if !defined(CPUTYPE) || empty(CPUTYPE)
7_CPUCFLAGS =
8. if ${MACHINE_CPUARCH} == "aarch64"
9MACHINE_CPU = arm64
10. elif ${MACHINE_CPUARCH} == "amd64"
11MACHINE_CPU = amd64 sse2 sse mmx
12. elif ${MACHINE_CPUARCH} == "arm"
13MACHINE_CPU = arm
14. elif ${MACHINE_CPUARCH} == "i386"
15MACHINE_CPU = i486
16. elif ${MACHINE_ARCH} == "powerpc"
17MACHINE_CPU = aim
18. elif ${MACHINE_ARCH} == "powerpc64"
19MACHINE_CPU = aim altivec
20. elif ${MACHINE_ARCH} == "powerpc64le"
21MACHINE_CPU = aim altivec vsx vsx2
22. elif ${MACHINE_CPUARCH} == "riscv"
23MACHINE_CPU = riscv
24. endif
25.else
26
27# Handle aliases (not documented in make.conf to avoid user confusion
28# between e.g. i586 and pentium)
29
30. if ${MACHINE_CPUARCH} == "amd64" || ${MACHINE_CPUARCH} == "i386"
31.  if ${CPUTYPE} == "barcelona"
32CPUTYPE = amdfam10
33.  elif ${CPUTYPE} == "skx"
34CPUTYPE = skylake-avx512
35.  elif ${CPUTYPE} == "core-avx2"
36CPUTYPE = haswell
37.  elif ${CPUTYPE} == "core-avx-i"
38CPUTYPE = ivybridge
39.  elif ${CPUTYPE} == "corei7-avx"
40CPUTYPE = sandybridge
41.  elif ${CPUTYPE} == "corei7"
42CPUTYPE = nehalem
43.  elif ${CPUTYPE} == "slm"
44CPUTYPE = silvermont
45.  elif ${CPUTYPE} == "atom"
46CPUTYPE = bonnell
47.  elif ${CPUTYPE} == "core"
48CPUTYPE = prescott
49.  endif
50.  if ${MACHINE_CPUARCH} == "amd64"
51.   if ${CPUTYPE} == "prescott"
52CPUTYPE = nocona
53.   endif
54.  else
55.   if ${CPUTYPE} == "k7"
56CPUTYPE = athlon
57.   elif ${CPUTYPE} == "p4"
58CPUTYPE = pentium4
59.   elif ${CPUTYPE} == "p4m"
60CPUTYPE = pentium4m
61.   elif ${CPUTYPE} == "p3"
62CPUTYPE = pentium3
63.   elif ${CPUTYPE} == "p3m"
64CPUTYPE = pentium3m
65.   elif ${CPUTYPE} == "p-m"
66CPUTYPE = pentium-m
67.   elif ${CPUTYPE} == "p2"
68CPUTYPE = pentium2
69.   elif ${CPUTYPE} == "i686"
70CPUTYPE = pentiumpro
71.   elif ${CPUTYPE} == "i586/mmx"
72CPUTYPE = pentium-mmx
73.   elif ${CPUTYPE} == "i586"
74CPUTYPE = pentium
75.   endif
76.  endif
77. endif
78
79###############################################################################
80# Logic to set up correct gcc optimization flag.  This must be included
81# after /etc/make.conf so it can react to the local value of CPUTYPE
82# defined therein.  Consult:
83#	http://gcc.gnu.org/onlinedocs/gcc/ARM-Options.html
84#	http://gcc.gnu.org/onlinedocs/gcc/RS-6000-and-PowerPC-Options.html
85#	http://gcc.gnu.org/onlinedocs/gcc/SPARC-Options.html
86#	http://gcc.gnu.org/onlinedocs/gcc/i386-and-x86_002d64-Options.html
87
88. if ${MACHINE_CPUARCH} == "i386"
89.  if ${CPUTYPE} == "crusoe"
90_CPUCFLAGS = -march=i686 -falign-functions=0 -falign-jumps=0 -falign-loops=0
91.  elif ${CPUTYPE} == "k5"
92_CPUCFLAGS = -march=pentium
93.  elif ${CPUTYPE} == "c7"
94_CPUCFLAGS = -march=c3-2
95.  else
96_CPUCFLAGS = -march=${CPUTYPE}
97.  endif
98. elif ${MACHINE_CPUARCH} == "amd64"
99_CPUCFLAGS = -march=${CPUTYPE}
100. elif ${MACHINE_CPUARCH} == "arm"
101.  if ${CPUTYPE} == "xscale"
102#XXX: gcc doesn't seem to like -mcpu=xscale, and dies while rebuilding itself
103#_CPUCFLAGS = -mcpu=xscale
104_CPUCFLAGS = -march=armv5te -D__XSCALE__
105.  elif ${CPUTYPE:M*soft*} != ""
106_CPUCFLAGS = -mfloat-abi=softfp
107.  elif ${CPUTYPE} == "cortexa"
108_CPUCFLAGS = -march=armv7 -mfpu=vfp
109.  elif ${CPUTYPE:Marmv[67]*} != ""
110# Handle all the armvX types that FreeBSD runs:
111#	armv6, armv6t2, armv7, armv7-a, armv7ve
112# they require -march=. All the others require -mcpu=.
113_CPUCFLAGS = -march=${CPUTYPE}
114.  else
115# Common values for FreeBSD
116# arm: (any arm v4 or v5 processor you are targeting)
117#	arm920t, arm926ej-s, marvell-pj4, fa526, fa626,
118#	fa606te, fa626te, fa726te
119# armv6:
120# 	arm1176jzf-s
121# armv7: generic-armv7-a, cortex-a5, cortex-a7, cortex-a8, cortex-a9,
122#       cortex-a12, cortex-a15, cortex-a17
123#       cortex-a53, cortex-a57, cortex-a72,
124#       exynos-m1
125_CPUCFLAGS = -mcpu=${CPUTYPE}
126. endif
127. elif ${MACHINE_ARCH} == "powerpc"
128.  if ${CPUTYPE} == "e500"
129_CPUCFLAGS = -Wa,-me500 -msoft-float
130.  else
131_CPUCFLAGS = -mcpu=${CPUTYPE}
132.  endif
133. elif ${MACHINE_ARCH:Mpowerpc64*} != ""
134_CPUCFLAGS = -mcpu=${CPUTYPE}
135. elif ${MACHINE_CPUARCH} == "aarch64"
136.  if ${CPUTYPE:Marmv*} != ""
137# Use -march when the CPU type is an architecture value, e.g. armv8.1-a
138_CPUCFLAGS = -march=${CPUTYPE}
139.  else
140# Otherwise assume we have a CPU type
141_CPUCFLAGS = -mcpu=${CPUTYPE}
142.  endif
143. endif
144
145# Set up the list of CPU features based on the CPU type.  This is an
146# unordered list to make it easy for client makefiles to test for the
147# presence of a CPU feature.
148
149########## i386
150. if ${MACHINE_CPUARCH} == "i386"
151.  if ${CPUTYPE} == "znver4"
152MACHINE_CPU = avx512 avx2 avx sse42 sse41 ssse3 sse4a sse3 sse2 sse mmx k6 k5 i586 f16c
153.  elif ${CPUTYPE} == "znver3" || ${CPUTYPE} == "znver2" || \
154    ${CPUTYPE} == "znver1"
155MACHINE_CPU = avx2 avx sse42 sse41 ssse3 sse4a sse3 sse2 sse mmx k6 k5 i586 f16c
156.  elif ${CPUTYPE} == "bdver4"
157MACHINE_CPU = xop avx2 avx sse42 sse41 ssse3 sse4a sse3 sse2 sse mmx k6 k5 i586 f16c
158.  elif ${CPUTYPE} == "bdver3" || ${CPUTYPE} == "bdver2"
159MACHINE_CPU = xop avx sse42 sse41 ssse3 sse4a sse3 sse2 sse mmx k6 k5 i586 f16c
160.  elif ${CPUTYPE} == "bdver1"
161MACHINE_CPU = xop avx sse42 sse41 ssse3 sse4a sse3 sse2 sse mmx k6 k5 i586
162.  elif ${CPUTYPE} == "btver2"
163MACHINE_CPU = avx sse42 sse41 ssse3 sse4a sse3 sse2 sse mmx k6 k5 i586 f16c
164.  elif ${CPUTYPE} == "btver1"
165MACHINE_CPU = ssse3 sse4a sse3 sse2 sse mmx k6 k5 i586
166.  elif ${CPUTYPE} == "amdfam10"
167MACHINE_CPU = athlon-xp athlon k7 3dnow sse4a sse3 sse2 sse mmx k6 k5 i586
168.  elif ${CPUTYPE} == "opteron-sse3" || ${CPUTYPE} == "athlon64-sse3"
169MACHINE_CPU = athlon-xp athlon k7 3dnow sse3 sse2 sse mmx k6 k5 i586
170.  elif ${CPUTYPE} == "opteron" || ${CPUTYPE} == "athlon64" || \
171    ${CPUTYPE} == "athlon-fx"
172MACHINE_CPU = athlon-xp athlon k7 3dnow sse2 sse mmx k6 k5 i586
173.  elif ${CPUTYPE} == "athlon-mp" || ${CPUTYPE} == "athlon-xp" || \
174    ${CPUTYPE} == "athlon-4"
175MACHINE_CPU = athlon-xp athlon k7 3dnow sse mmx k6 k5 i586
176.  elif ${CPUTYPE} == "athlon" || ${CPUTYPE} == "athlon-tbird"
177MACHINE_CPU = athlon k7 3dnow mmx k6 k5 i586
178.  elif ${CPUTYPE} == "k6-3" || ${CPUTYPE} == "k6-2" || ${CPUTYPE} == "geode"
179MACHINE_CPU = 3dnow mmx k6 k5 i586
180.  elif ${CPUTYPE} == "k6"
181MACHINE_CPU = mmx k6 k5 i586
182.  elif ${CPUTYPE} == "k5"
183MACHINE_CPU = k5 i586
184.  elif ${CPUTYPE} == "sapphirerapids" || ${CPUTYPE} == "tigerlake" || \
185    ${CPUTYPE} == "cooperlake" || ${CPUTYPE} == "cascadelake" || \
186    ${CPUTYPE} == "icelake-server" || ${CPUTYPE} == "icelake-client" || \
187    ${CPUTYPE} == "cannonlake" || ${CPUTYPE} == "knm" || \
188    ${CPUTYPE} == "skylake-avx512" || ${CPUTYPE} == "knl" || \
189    ${CPUTYPE} == "x86-64-v4"
190MACHINE_CPU = avx512 avx2 avx sse42 sse41 ssse3 sse3 sse2 sse i686 mmx i586 f16c
191.  elif ${CPUTYPE} == "alderlake" || ${CPUTYPE} == "skylake" || \
192    ${CPUTYPE} == "broadwell" || ${CPUTYPE} == "haswell" || \
193    ${CPUTYPE} == "x86-64-v3"
194MACHINE_CPU = avx2 avx sse42 sse41 ssse3 sse3 sse2 sse i686 mmx i586 f16c
195.  elif ${CPUTYPE} == "ivybridge"
196MACHINE_CPU = avx sse42 sse41 ssse3 sse3 sse2 sse i686 mmx i586 f16c
197.  elif ${CPUTYPE} == "sandybridge"
198MACHINE_CPU = avx sse42 sse41 ssse3 sse3 sse2 sse i686 mmx i586
199.  elif ${CPUTYPE} == "tremont" || ${CPUTYPE} == "goldmont-plus" || \
200    ${CPUTYPE} == "goldmont" || ${CPUTYPE} == "westmere" || \
201    ${CPUTYPE} == "nehalem" || ${CPUTYPE} == "silvermont" || \
202    ${CPUTYPE} == "x86-64-v2"
203MACHINE_CPU = sse42 sse41 ssse3 sse3 sse2 sse i686 mmx i586
204.  elif ${CPUTYPE} == "penryn"
205MACHINE_CPU = sse41 ssse3 sse3 sse2 sse i686 mmx i586
206.  elif ${CPUTYPE} == "core2" || ${CPUTYPE} == "bonnell"
207MACHINE_CPU = ssse3 sse3 sse2 sse i686 mmx i586
208.  elif ${CPUTYPE} == "yonah" || ${CPUTYPE} == "prescott"
209MACHINE_CPU = sse3 sse2 sse i686 mmx i586
210.  elif ${CPUTYPE} == "pentium4" || ${CPUTYPE} == "pentium4m" || \
211    ${CPUTYPE} == "pentium-m" || ${CPUTYPE} == "x86-64"
212MACHINE_CPU = sse2 sse i686 mmx i586
213.  elif ${CPUTYPE} == "pentium3" || ${CPUTYPE} == "pentium3m"
214MACHINE_CPU = sse i686 mmx i586
215.  elif ${CPUTYPE} == "pentium2"
216MACHINE_CPU = i686 mmx i586
217.  elif ${CPUTYPE} == "pentiumpro"
218MACHINE_CPU = i686 i586
219.  elif ${CPUTYPE} == "pentium-mmx"
220MACHINE_CPU = mmx i586
221.  elif ${CPUTYPE} == "pentium"
222MACHINE_CPU = i586
223.  elif ${CPUTYPE} == "c7"
224MACHINE_CPU = sse3 sse2 sse i686 mmx i586
225.  elif ${CPUTYPE} == "c3-2"
226MACHINE_CPU = sse i686 mmx i586
227.  elif ${CPUTYPE} == "c3"
228MACHINE_CPU = 3dnow mmx i586
229.  elif ${CPUTYPE} == "winchip2"
230MACHINE_CPU = 3dnow mmx
231.  elif ${CPUTYPE} == "winchip-c6"
232MACHINE_CPU = mmx
233.  endif
234MACHINE_CPU += i486
235########## amd64
236. elif ${MACHINE_CPUARCH} == "amd64"
237.  if ${CPUTYPE} == "znver4"
238MACHINE_CPU = avx512 avx2 avx sse42 sse41 ssse3 sse4a sse3 f16c
239.  elif ${CPUTYPE} == "znver3" || ${CPUTYPE} == "znver2" || \
240    ${CPUTYPE} == "znver1"
241MACHINE_CPU = avx2 avx sse42 sse41 ssse3 sse4a sse3 f16c
242.  elif ${CPUTYPE} == "bdver4"
243MACHINE_CPU = xop avx2 avx sse42 sse41 ssse3 sse4a sse3 f16c
244.  elif ${CPUTYPE} == "bdver3" || ${CPUTYPE} == "bdver2"
245MACHINE_CPU = xop avx sse42 sse41 ssse3 sse4a sse3 f16c
246.  elif ${CPUTYPE} == "bdver1"
247MACHINE_CPU = xop avx sse42 sse41 ssse3 sse4a sse3
248.  elif ${CPUTYPE} == "btver2"
249MACHINE_CPU = avx sse42 sse41 ssse3 sse4a sse3 f16c
250.  elif ${CPUTYPE} == "btver1"
251MACHINE_CPU = ssse3 sse4a sse3
252.  elif ${CPUTYPE} == "amdfam10"
253MACHINE_CPU = k8 3dnow sse4a sse3
254.  elif ${CPUTYPE} == "opteron-sse3" || ${CPUTYPE} == "athlon64-sse3" || \
255    ${CPUTYPE} == "k8-sse3"
256MACHINE_CPU = k8 3dnow sse3
257.  elif ${CPUTYPE} == "opteron" || ${CPUTYPE} == "athlon64" || \
258    ${CPUTYPE} == "athlon-fx" || ${CPUTYPE} == "k8"
259MACHINE_CPU = k8 3dnow
260.  elif ${CPUTYPE} == "sapphirerapids" || ${CPUTYPE} == "tigerlake" || \
261    ${CPUTYPE} == "cooperlake" || ${CPUTYPE} == "cascadelake" || \
262    ${CPUTYPE} == "icelake-server" || ${CPUTYPE} == "icelake-client" || \
263    ${CPUTYPE} == "cannonlake" || ${CPUTYPE} == "knm" || \
264    ${CPUTYPE} == "skylake-avx512" || ${CPUTYPE} == "knl" || \
265    ${CPUTYPE} == "x86-64-v4"
266MACHINE_CPU = avx512 avx2 avx sse42 sse41 ssse3 sse3 f16c
267.  elif ${CPUTYPE} == "alderlake" || ${CPUTYPE} == "skylake" || \
268    ${CPUTYPE} == "broadwell" || ${CPUTYPE} == "haswell" || \
269    ${CPUTYPE} == "x86-64-v3"
270MACHINE_CPU = avx2 avx sse42 sse41 ssse3 sse3 f16c
271.  elif ${CPUTYPE} == "ivybridge"
272MACHINE_CPU = avx sse42 sse41 ssse3 sse3 f16c
273.  elif ${CPUTYPE} == "sandybridge"
274MACHINE_CPU = avx sse42 sse41 ssse3 sse3
275.  elif ${CPUTYPE} == "tremont" || ${CPUTYPE} == "goldmont-plus" || \
276    ${CPUTYPE} == "goldmont" || ${CPUTYPE} == "westmere" || \
277    ${CPUTYPE} == "nehalem" || ${CPUTYPE} == "silvermont" || \
278    ${CPUTYPE} == "x86-64-v2"
279MACHINE_CPU = sse42 sse41 ssse3 sse3
280.  elif ${CPUTYPE} == "penryn"
281MACHINE_CPU = sse41 ssse3 sse3
282.  elif ${CPUTYPE} == "core2" || ${CPUTYPE} == "bonnell"
283MACHINE_CPU = ssse3 sse3
284.  elif ${CPUTYPE} == "nocona"
285MACHINE_CPU = sse3
286.  endif
287MACHINE_CPU += amd64 sse2 sse mmx
288########## powerpc
289. elif ${MACHINE_ARCH} == "powerpc"
290.  if ${CPUTYPE} == "e500"
291MACHINE_CPU = booke softfp
292.  elif ${CPUTYPE} == "g4"
293MACHINE_CPU = aim altivec
294.  else
295MACHINE_CPU= aim
296.  endif
297. elif ${MACHINE_ARCH} == "powerpc64"
298.  if ${CPUTYPE} == "e5500"
299MACHINE_CPU = booke
300.  elif ${CPUTYPE} == power7
301MACHINE_CPU = altivec vsx
302.  elif ${CPUTYPE} == power8
303MACHINE_CPU = altivec vsx vsx2
304.  elif ${CPUTYPE} == power9
305MACHINE_CPU = altivec vsx vsx2 vsx3
306.  else
307MACHINE_CPU = aim altivec
308.  endif
309. elif ${MACHINE_ARCH} == "powerpc64le"
310MACHINE_CPU = aim altivec vsx vsx2
311.  if ${CPUTYPE} == power9
312MACHINE_CPU += vsx3
313.  endif
314########## riscv
315. elif ${MACHINE_CPUARCH} == "riscv"
316MACHINE_CPU = riscv
317. endif
318.endif
319
320########## arm
321.if ${MACHINE_CPUARCH} == "arm"
322MACHINE_CPU += arm
323. if ${MACHINE_ARCH:Marmv6*} != ""
324MACHINE_CPU += armv6
325. endif
326. if ${MACHINE_ARCH:Marmv7*} != ""
327MACHINE_CPU += armv7
328. endif
329# Normally armv6 and armv7 are hard float ABI from FreeBSD 11 onwards. However
330# when CPUTYPE has 'soft' in it, we use the soft-float ABI to allow building of
331# soft-float ABI libraries. In this case, we have to add the -mfloat-abi=softfp
332# to force that.
333. if defined(CPUTYPE) && ${CPUTYPE:M*soft*} != ""
334# Needs to be CFLAGS not _CPUCFLAGS because it's needed for the ABI
335# not a nice optimization. Please note: softfp ABI uses hardware floating
336# instructions, but passes arguments to function calls in integer regsiters.
337# -mfloat-abi=soft is full software floating point, but is not currently
338# supported. softfp support in FreeBSD may disappear in FreeBSD 13.0 since
339# it was a transition tool from FreeBSD 10 to 11 and is a bit of an odd duck.
340CFLAGS += -mfloat-abi=softfp
341. endif
342.endif
343
344.if ${MACHINE_ARCH} == "powerpc" || ${MACHINE_ARCH} == "powerpcspe"
345LDFLAGS.bfd+= -Wl,--secure-plt
346.endif
347
348.if ${MACHINE_ARCH} == "powerpcspe"
349CFLAGS += -mcpu=8548 -mspe
350CFLAGS.gcc+= -mabi=spe -mfloat-gprs=double -Wa,-me500
351.endif
352
353.if ${MACHINE_CPUARCH} == "riscv"
354CFLAGS += -march=rv64imafdc -mabi=lp64d
355.endif
356
357# NB: COPTFLAGS is handled in /usr/src/sys/conf/kern.pre.mk
358
359.if !defined(NO_CPU_CFLAGS)
360CFLAGS += ${_CPUCFLAGS}
361.endif
362
363#
364# Prohibit the compiler from emitting SIMD instructions.
365# These flags are added to CFLAGS in areas where the extra context-switch
366# cost outweighs the advantages of SIMD instructions.
367#
368# gcc:
369# Setting -mno-mmx implies -mno-3dnow
370# Setting -mno-sse implies -mno-sse2, -mno-sse3, -mno-ssse3 and -mfpmath=387
371#
372# clang:
373# Setting -mno-mmx implies -mno-3dnow and -mno-3dnowa
374# Setting -mno-sse implies -mno-sse2, -mno-sse3, -mno-ssse3, -mno-sse41 and
375# -mno-sse42
376# (-mfpmath= is not supported)
377#
378.if ${MACHINE_CPUARCH} == "i386" || ${MACHINE_CPUARCH} == "amd64"
379CFLAGS_NO_SIMD.clang= -mno-avx -mno-avx2
380CFLAGS_NO_SIMD= -mno-mmx -mno-sse
381.endif
382CFLAGS_NO_SIMD += ${CFLAGS_NO_SIMD.${COMPILER_TYPE}}
383
384# Add in any architecture-specific CFLAGS.
385# These come from make.conf or the command line or the environment.
386CFLAGS += ${CFLAGS.${MACHINE_ARCH}}
387CXXFLAGS += ${CXXFLAGS.${MACHINE_ARCH}}
388
389#
390# MACHINE_ABI is a list of properties about the ABI used for MACHINE_ARCH.
391# The following properties are indicated with one of the follow values:
392#
393# Byte order:			big-endian, little-endian
394# Floating point ABI:		soft-float, hard-float
395# Size of long (size_t, etc):	long32, long64
396# Pointer type:			ptr32, ptr64
397# Size of time_t:		time32, time64
398#
399.if (${MACHINE} == "arm" && (defined(CPUTYPE) && ${CPUTYPE:M*soft*})) || \
400    (${MACHINE_ARCH} == "powerpc" && (defined(CPUTYPE) && ${CPUTYPE} == "e500"))
401MACHINE_ABI+=	soft-float
402.else
403MACHINE_ABI+=	hard-float
404.endif
405# Currently all 64-bit architectures include 64 in their name (see arch(7)).
406.if ${MACHINE_ARCH:M*64*}
407MACHINE_ABI+=  long64
408.else
409MACHINE_ABI+=  long32
410.endif
411.if ${MACHINE_ABI:Mlong64}
412MACHINE_ABI+=  ptr64
413.else
414MACHINE_ABI+=  ptr32
415.endif
416.if ${MACHINE_ARCH} == "i386"
417MACHINE_ABI+=  time32
418.else
419MACHINE_ABI+=  time64
420.endif
421.if ${MACHINE_ARCH:Mpowerpc*} && !${MACHINE_ARCH:M*le}
422MACHINE_ABI+=	big-endian
423.else
424MACHINE_ABI+=	little-endian
425.endif
426