xref: /freebsd/share/mk/bsd.cpu.mk (revision 5b9c547c) 
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} == "i386"
10MACHINE_CPU = i486
11. elif ${MACHINE_CPUARCH} == "amd64"
12MACHINE_CPU = amd64 sse2 sse mmx
13. elif ${MACHINE_CPUARCH} == "powerpc"
14MACHINE_CPU = aim
15. elif ${MACHINE_CPUARCH} == "sparc64"
16MACHINE_CPU = ultrasparc
17. elif ${MACHINE_CPUARCH} == "arm"
18MACHINE_CPU = arm
19. elif ${MACHINE_CPUARCH} == "mips"
20MACHINE_CPU = mips
21. endif
22.else
23
24# Handle aliases (not documented in make.conf to avoid user confusion
25# between e.g. i586 and pentium)
26
27. if ${MACHINE_CPUARCH} == "amd64" || ${MACHINE_CPUARCH} == "i386"
28.  if ${CPUTYPE} == "barcelona"
29CPUTYPE = amdfam10
30.  elif ${CPUTYPE} == "core-avx2"
31CPUTYPE = haswell
32.  elif ${CPUTYPE} == "core-avx-i"
33CPUTYPE = ivybridge
34.  elif ${CPUTYPE} == "corei7-avx"
35CPUTYPE = sandybridge
36.  elif ${CPUTYPE} == "corei7"
37CPUTYPE = nehalem
38.  elif ${CPUTYPE} == "slm"
39CPUTYPE = silvermont
40.  elif ${CPUTYPE} == "atom"
41CPUTYPE = bonnell
42.  elif ${CPUTYPE} == "core"
43CPUTYPE = prescott
44.  endif
45.  if ${MACHINE_CPUARCH} == "amd64"
46.   if ${CPUTYPE} == "prescott"
47CPUTYPE = nocona
48.   endif
49.  else
50.   if ${CPUTYPE} == "k7"
51CPUTYPE = athlon
52.   elif ${CPUTYPE} == "p4"
53CPUTYPE = pentium4
54.   elif ${CPUTYPE} == "p4m"
55CPUTYPE = pentium4m
56.   elif ${CPUTYPE} == "p3"
57CPUTYPE = pentium3
58.   elif ${CPUTYPE} == "p3m"
59CPUTYPE = pentium3m
60.   elif ${CPUTYPE} == "p-m"
61CPUTYPE = pentium-m
62.   elif ${CPUTYPE} == "p2"
63CPUTYPE = pentium2
64.   elif ${CPUTYPE} == "i686"
65CPUTYPE = pentiumpro
66.   elif ${CPUTYPE} == "i586/mmx"
67CPUTYPE = pentium-mmx
68.   elif ${CPUTYPE} == "i586"
69CPUTYPE = pentium
70.   endif
71.  endif
72. elif ${MACHINE_ARCH} == "sparc64"
73.  if ${CPUTYPE} == "us"
74CPUTYPE = ultrasparc
75.  elif ${CPUTYPE} == "us3"
76CPUTYPE = ultrasparc3
77.  endif
78. endif
79
80###############################################################################
81# Logic to set up correct gcc optimization flag.  This must be included
82# after /etc/make.conf so it can react to the local value of CPUTYPE
83# defined therein.  Consult:
84#	http://gcc.gnu.org/onlinedocs/gcc/ARM-Options.html
85#	http://gcc.gnu.org/onlinedocs/gcc/IA_002d64-Options.html
86#	http://gcc.gnu.org/onlinedocs/gcc/RS_002f6000-and-PowerPC-Options.html
87#	http://gcc.gnu.org/onlinedocs/gcc/MIPS-Options.html
88#	http://gcc.gnu.org/onlinedocs/gcc/SPARC-Options.html
89#	http://gcc.gnu.org/onlinedocs/gcc/i386-and-x86_002d64-Options.html
90
91. if ${MACHINE_CPUARCH} == "i386"
92.  if ${CPUTYPE} == "crusoe"
93_CPUCFLAGS = -march=i686 -falign-functions=0 -falign-jumps=0 -falign-loops=0
94.  elif ${CPUTYPE} == "k5"
95_CPUCFLAGS = -march=pentium
96.  elif ${CPUTYPE} == "c7"
97_CPUCFLAGS = -march=c3-2
98.  else
99_CPUCFLAGS = -march=${CPUTYPE}
100.  endif
101. elif ${MACHINE_CPUARCH} == "amd64"
102_CPUCFLAGS = -march=${CPUTYPE}
103. elif ${MACHINE_CPUARCH} == "arm"
104.  if ${CPUTYPE} == "xscale"
105#XXX: gcc doesn't seem to like -mcpu=xscale, and dies while rebuilding itself
106#_CPUCFLAGS = -mcpu=xscale
107_CPUCFLAGS = -march=armv5te -D__XSCALE__
108. elif ${CPUTYPE} == "armv6"
109_CPUCFLAGS = -march=${CPUTYPE} -DARM_ARCH_6=1
110. elif ${CPUTYPE} == "cortexa"
111_CPUCFLAGS = -march=armv7 -DARM_ARCH_6=1 -mfpu=vfp
112.  else
113_CPUCFLAGS = -mcpu=${CPUTYPE}
114.  endif
115. elif ${MACHINE_ARCH} == "powerpc"
116.  if ${CPUTYPE} == "e500"
117_CPUCFLAGS = -Wa,-me500 -msoft-float
118.  else
119_CPUCFLAGS = -mcpu=${CPUTYPE} -mno-powerpc64
120.  endif
121. elif ${MACHINE_ARCH} == "powerpc64"
122_CPUCFLAGS = -mcpu=${CPUTYPE}
123. elif ${MACHINE_CPUARCH} == "mips"
124.  if ${CPUTYPE} == "mips32"
125_CPUCFLAGS = -march=mips32
126.  elif ${CPUTYPE} == "mips32r2"
127_CPUCFLAGS = -march=mips32r2
128.  elif ${CPUTYPE} == "mips64"
129_CPUCFLAGS = -march=mips64
130.  elif ${CPUTYPE} == "mips64r2"
131_CPUCFLAGS = -march=mips64r2
132.  elif ${CPUTYPE} == "mips4kc"
133_CPUCFLAGS = -march=4kc
134.  elif ${CPUTYPE} == "mips24kc"
135_CPUCFLAGS = -march=24kc
136.  endif
137. elif ${MACHINE_ARCH} == "sparc64"
138.  if ${CPUTYPE} == "v9"
139_CPUCFLAGS = -mcpu=v9
140.  elif ${CPUTYPE} == "ultrasparc"
141_CPUCFLAGS = -mcpu=ultrasparc
142.  elif ${CPUTYPE} == "ultrasparc3"
143_CPUCFLAGS = -mcpu=ultrasparc3
144.  endif
145. endif
146
147# Set up the list of CPU features based on the CPU type.  This is an
148# unordered list to make it easy for client makefiles to test for the
149# presence of a CPU feature.
150
151. if ${MACHINE_CPUARCH} == "i386"
152.  if ${CPUTYPE} == "bdver4"
153MACHINE_CPU = xop avx2 avx sse42 sse41 ssse3 sse4a sse3 sse2 sse mmx k6 k5 i586
154.  elif ${CPUTYPE} == "bdver3" || ${CPUTYPE} == "bdver2" || \
155    ${CPUTYPE} == "bdver1"
156MACHINE_CPU = xop avx sse42 sse41 ssse3 sse4a sse3 sse2 sse mmx k6 k5 i586
157.  elif ${CPUTYPE} == "btver2"
158MACHINE_CPU = avx sse42 sse41 ssse3 sse4a sse3 sse2 sse mmx k6 k5 i586
159.  elif ${CPUTYPE} == "btver1"
160MACHINE_CPU = ssse3 sse4a sse3 sse2 sse mmx k6 k5 i586
161.  elif ${CPUTYPE} == "amdfam10"
162MACHINE_CPU = athlon-xp athlon k7 3dnow sse4a sse3 sse2 sse mmx k6 k5 i586
163.  elif ${CPUTYPE} == "opteron-sse3" || ${CPUTYPE} == "athlon64-sse3"
164MACHINE_CPU = athlon-xp athlon k7 3dnow sse3 sse2 sse mmx k6 k5 i586
165.  elif ${CPUTYPE} == "opteron" || ${CPUTYPE} == "athlon64" || \
166    ${CPUTYPE} == "athlon-fx"
167MACHINE_CPU = athlon-xp athlon k7 3dnow sse2 sse mmx k6 k5 i586
168.  elif ${CPUTYPE} == "athlon-mp" || ${CPUTYPE} == "athlon-xp" || \
169    ${CPUTYPE} == "athlon-4"
170MACHINE_CPU = athlon-xp athlon k7 3dnow sse mmx k6 k5 i586
171.  elif ${CPUTYPE} == "athlon" || ${CPUTYPE} == "athlon-tbird"
172MACHINE_CPU = athlon k7 3dnow mmx k6 k5 i586
173.  elif ${CPUTYPE} == "k6-3" || ${CPUTYPE} == "k6-2" || ${CPUTYPE} == "geode"
174MACHINE_CPU = 3dnow mmx k6 k5 i586
175.  elif ${CPUTYPE} == "k6"
176MACHINE_CPU = mmx k6 k5 i586
177.  elif ${CPUTYPE} == "k5"
178MACHINE_CPU = k5 i586
179.  elif ${CPUTYPE} == "skylake" || ${CPUTYPE} == "knl"
180MACHINE_CPU = avx512 avx2 avx sse42 sse41 ssse3 sse3 sse2 sse i686 mmx i586
181.  elif ${CPUTYPE} == "broadwell" || ${CPUTYPE} == "haswell"
182MACHINE_CPU = avx2 avx sse42 sse41 ssse3 sse3 sse2 sse i686 mmx i586
183.  elif ${CPUTYPE} == "ivybridge" || ${CPUTYPE} == "sandybridge"
184MACHINE_CPU = avx sse42 sse41 ssse3 sse3 sse2 sse i686 mmx i586
185.  elif ${CPUTYPE} == "westmere" || ${CPUTYPE} == "nehalem" || \
186    ${CPUTYPE} == "silvermont"
187MACHINE_CPU = sse42 sse41 ssse3 sse3 sse2 sse i686 mmx i586
188.  elif ${CPUTYPE} == "penryn"
189MACHINE_CPU = sse41 ssse3 sse3 sse2 sse i686 mmx i586
190.  elif ${CPUTYPE} == "core2" || ${CPUTYPE} == "bonnell"
191MACHINE_CPU = ssse3 sse3 sse2 sse i686 mmx i586
192.  elif ${CPUTYPE} == "yonah" || ${CPUTYPE} == "prescott"
193MACHINE_CPU = sse3 sse2 sse i686 mmx i586
194.  elif ${CPUTYPE} == "pentium4" || ${CPUTYPE} == "pentium4m" || \
195    ${CPUTYPE} == "pentium-m"
196MACHINE_CPU = sse2 sse i686 mmx i586
197.  elif ${CPUTYPE} == "pentium3" || ${CPUTYPE} == "pentium3m"
198MACHINE_CPU = sse i686 mmx i586
199.  elif ${CPUTYPE} == "pentium2"
200MACHINE_CPU = i686 mmx i586
201.  elif ${CPUTYPE} == "pentiumpro"
202MACHINE_CPU = i686 i586
203.  elif ${CPUTYPE} == "pentium-mmx"
204MACHINE_CPU = mmx i586
205.  elif ${CPUTYPE} == "pentium"
206MACHINE_CPU = i586
207.  elif ${CPUTYPE} == "c7"
208MACHINE_CPU = sse3 sse2 sse i686 mmx i586
209.  elif ${CPUTYPE} == "c3-2"
210MACHINE_CPU = sse i686 mmx i586
211.  elif ${CPUTYPE} == "c3"
212MACHINE_CPU = 3dnow mmx i586
213.  elif ${CPUTYPE} == "winchip2"
214MACHINE_CPU = 3dnow mmx
215.  elif ${CPUTYPE} == "winchip-c6"
216MACHINE_CPU = mmx
217.  endif
218MACHINE_CPU += i486
219. elif ${MACHINE_CPUARCH} == "amd64"
220.  if ${CPUTYPE} == "bdver4"
221MACHINE_CPU = xop avx2 avx sse42 sse41 ssse3 sse4a sse3
222.  elif ${CPUTYPE} == "bdver3" || ${CPUTYPE} == "bdver2" || \
223    ${CPUTYPE} == "bdver1"
224MACHINE_CPU = xop avx sse42 sse41 ssse3 sse4a sse3
225.  elif ${CPUTYPE} == "btver2"
226MACHINE_CPU = avx sse42 sse41 ssse3 sse4a sse3
227.  elif ${CPUTYPE} == "btver1"
228MACHINE_CPU = ssse3 sse4a sse3
229.  elif ${CPUTYPE} == "amdfam10"
230MACHINE_CPU = k8 3dnow sse4a sse3
231.  elif ${CPUTYPE} == "opteron-sse3" || ${CPUTYPE} == "athlon64-sse3" || \
232    ${CPUTYPE} == "k8-sse3"
233MACHINE_CPU = k8 3dnow sse3
234.  elif ${CPUTYPE} == "opteron" || ${CPUTYPE} == "athlon64" || \
235    ${CPUTYPE} == "athlon-fx" || ${CPUTYPE} == "k8"
236MACHINE_CPU = k8 3dnow
237.  elif ${CPUTYPE} == "skylake" || ${CPUTYPE} == "knl"
238MACHINE_CPU = avx512 avx2 avx sse42 sse41 ssse3 sse3
239.  elif ${CPUTYPE} == "broadwell" || ${CPUTYPE} == "haswell"
240MACHINE_CPU = avx2 avx sse42 sse41 ssse3 sse3
241.  elif ${CPUTYPE} == "ivybridge" || ${CPUTYPE} == "sandybridge"
242MACHINE_CPU = avx sse42 sse41 ssse3 sse3
243.  elif ${CPUTYPE} == "westmere" || ${CPUTYPE} == "nehalem" || \
244    ${CPUTYPE} == "silvermont"
245MACHINE_CPU = sse42 sse41 ssse3 sse3
246.  elif ${CPUTYPE} == "penryn"
247MACHINE_CPU = sse41 ssse3 sse3
248.  elif ${CPUTYPE} == "core2" || ${CPUTYPE} == "bonnell"
249MACHINE_CPU = ssse3 sse3
250.  elif ${CPUTYPE} == "nocona"
251MACHINE_CPU = sse3
252.  endif
253MACHINE_CPU += amd64 sse2 sse mmx
254. elif ${MACHINE_ARCH} == "powerpc"
255.  if ${CPUTYPE} == "e500"
256MACHINE_CPU = booke
257.  endif
258. elif ${MACHINE_ARCH} == "sparc64"
259.  if ${CPUTYPE} == "v9"
260MACHINE_CPU = v9
261.  elif ${CPUTYPE} == "ultrasparc"
262MACHINE_CPU = v9 ultrasparc
263.  elif ${CPUTYPE} == "ultrasparc3"
264MACHINE_CPU = v9 ultrasparc ultrasparc3
265.  endif
266. endif
267.endif
268
269.if ${MACHINE_CPUARCH} == "mips"
270CFLAGS += -G0
271.endif
272
273.if ${MACHINE_ARCH} == "armv6"
274_CPUCFLAGS += -mfloat-abi=softfp
275.endif
276
277# NB: COPTFLAGS is handled in /usr/src/sys/conf/kern.pre.mk
278
279.if !defined(NO_CPU_CFLAGS)
280CFLAGS += ${_CPUCFLAGS}
281.endif
282
283# Add in any architecture-specific CFLAGS.
284# These come from make.conf or the command line or the environment.
285CFLAGS += ${CFLAGS.${MACHINE_ARCH}}
286CXXFLAGS += ${CXXFLAGS.${MACHINE_ARCH}}
287