bsd.cpu.mk revision 219640 
1# $FreeBSD: head/share/mk/bsd.cpu.mk 219640 2011-03-14 13:36:51Z mm $
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} == "ia64"
14MACHINE_CPU = itanium
15. elif ${MACHINE_CPUARCH} == "powerpc"
16MACHINE_CPU = aim
17. elif ${MACHINE_CPUARCH} == "sparc64"
18MACHINE_CPU = ultrasparc
19. elif ${MACHINE_CPUARCH} == "arm"
20MACHINE_CPU = arm
21. elif ${MACHINE_CPUARCH} == "mips"
22MACHINE_CPU = mips
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} == "i386"
30.  if ${CPUTYPE} == "nocona"
31CPUTYPE = prescott
32.  elif ${CPUTYPE} == "core"
33CPUTYPE = prescott
34.  elif ${CPUTYPE} == "p4"
35CPUTYPE = pentium4
36.  elif ${CPUTYPE} == "p4m"
37CPUTYPE = pentium4m
38.  elif ${CPUTYPE} == "p3"
39CPUTYPE = pentium3
40.  elif ${CPUTYPE} == "p3m"
41CPUTYPE = pentium3m
42.  elif ${CPUTYPE} == "p-m"
43CPUTYPE = pentium-m
44.  elif ${CPUTYPE} == "p2"
45CPUTYPE = pentium2
46.  elif ${CPUTYPE} == "i686"
47CPUTYPE = pentiumpro
48.  elif ${CPUTYPE} == "i586/mmx"
49CPUTYPE = pentium-mmx
50.  elif ${CPUTYPE} == "i586"
51CPUTYPE = pentium
52.  elif ${CPUTYPE} == "opteron-sse3" || ${CPUTYPE} == "athlon64-sse3" || \
53     ${CPUTYPE} == "k8-sse3"
54CPUTYPE = prescott
55.  elif ${CPUTYPE} == "opteron" || ${CPUTYPE} == "athlon64" || \
56     ${CPUTYPE} == "k8"
57CPUTYPE = athlon-mp
58.  elif ${CPUTYPE} == "k7"
59CPUTYPE = athlon
60.  endif
61. elif ${MACHINE_CPUARCH} == "amd64"
62.  if ${CPUTYPE} == "prescott"
63CPUTYPE = nocona
64.  endif
65. elif ${MACHINE_ARCH} == "sparc64"
66.  if ${CPUTYPE} == "us"
67CPUTYPE = ultrasparc
68.  elif ${CPUTYPE} == "us3"
69CPUTYPE = ultrasparc3
70.  endif
71. endif
72
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
83
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 ${CPUTYPE} == "core2"
90_CPUCFLAGS = -march=prescott
91.  else
92_CPUCFLAGS = -march=${CPUTYPE}
93.  endif # GCC on 'i386'
94.  if ${CPUTYPE} == "crusoe"
95_ICC_CPUCFLAGS = -tpp6 -xiM
96.  elif ${CPUTYPE} == "athlon-mp" || ${CPUTYPE} == "athlon-xp" || \
97    ${CPUTYPE} == "athlon-4"
98_ICC_CPUCFLAGS = -tpp6 -xiMK
99.  elif ${CPUTYPE} == "athlon-tbird" || ${CPUTYPE} == "athlon"
100_ICC_CPUCFLAGS = -tpp6 -xiM
101.  elif ${CPUTYPE} == "k6-3" || ${CPUTYPE} == "k6-2" || ${CPUTYPE} == "k6"
102_ICC_CPUCFLAGS = -tpp6 -xi
103.  elif ${CPUTYPE} == "k5"
104_ICC_CPUCFLAGS = -tpp5
105.  elif ${CPUTYPE} == "pentium4" || ${CPUTYPE} == "pentium4m"
106_ICC_CPUCFLAGS = -tpp7 -xiMKW
107.  elif ${CPUTYPE} == "pentium3" || ${CPUTYPE} == "pentium3m" || \
108     ${CPUTYPE} == "pentium-m"
109_ICC_CPUCFLAGS = -tpp6 -xiMK
110.  elif ${CPUTYPE} == "pentium2" || ${CPUTYPE} == "pentiumpro"
111_ICC_CPUCFLAGS = -tpp6 -xiM
112.  elif ${CPUTYPE} == "pentium-mmx"
113_ICC_CPUCFLAGS = -tpp5 -xM
114.  elif ${CPUTYPE} == "pentium"
115_ICC_CPUCFLAGS = -tpp5
116.  else
117_ICC_CPUCFLAGS =
118.  endif # ICC on 'i386'
119. elif ${MACHINE_CPUARCH} == "amd64"
120_CPUCFLAGS = -march=${CPUTYPE}
121. elif ${MACHINE_CPUARCH} == "arm"
122.  if ${CPUTYPE} == "xscale"
123#XXX: gcc doesn't seem to like -mcpu=xscale, and dies while rebuilding itself
124#_CPUCFLAGS = -mcpu=xscale
125_CPUCFLAGS = -march=armv5te -D__XSCALE__
126.  else
127_CPUCFLAGS = -mcpu=${CPUTYPE}
128.  endif
129. elif ${MACHINE_ARCH} == "powerpc"
130.  if ${CPUTYPE} == "e500"
131_CPUCFLAGS = -Wa,-me500 -msoft-float
132.  else
133_CPUCFLAGS = -mcpu=${CPUTYPE} -mno-powerpc64
134.  endif
135. elif ${MACHINE_ARCH} == "powerpc64"
136_CPUCFLAGS = -mcpu=${CPUTYPE}
137. elif ${MACHINE_CPUARCH} == "mips"
138.  if ${CPUTYPE} == "mips32"
139_CPUCFLAGS = -march=mips32
140.  elif ${CPUTYPE} == "mips32r2"
141_CPUCFLAGS = -march=mips32r2
142.  elif ${CPUTYPE} == "mips64"
143_CPUCFLAGS = -march=mips64
144.  elif ${CPUTYPE} == "mips64r2"
145_CPUCFLAGS = -march=mips64r2
146.  elif ${CPUTYPE} == "mips4kc"
147_CPUCFLAGS = -march=4kc
148.  elif ${CPUTYPE} == "mips24kc"
149_CPUCFLAGS = -march=24kc
150.  endif
151. elif ${MACHINE_ARCH} == "sparc64"
152.  if ${CPUTYPE} == "v9"
153_CPUCFLAGS = -mcpu=v9
154.  elif ${CPUTYPE} == "ultrasparc"
155_CPUCFLAGS = -mcpu=ultrasparc
156.  elif ${CPUTYPE} == "ultrasparc3"
157_CPUCFLAGS = -mcpu=ultrasparc3
158.  endif
159. endif
160
161# Set up the list of CPU features based on the CPU type.  This is an
162# unordered list to make it easy for client makefiles to test for the
163# presence of a CPU feature.
164
165. if ${MACHINE_CPUARCH} == "i386"
166.  if ${CPUTYPE} == "opteron-sse3" || ${CPUTYPE} == "athlon64-sse3"
167MACHINE_CPU = athlon-xp athlon k7 3dnow sse3 sse2 sse mmx k6 k5 i586 i486 i386
168.  elif ${CPUTYPE} == "opteron" || ${CPUTYPE} == "athlon64"
169MACHINE_CPU = athlon-xp athlon k7 3dnow sse2 sse mmx k6 k5 i586 i486 i386
170.  elif ${CPUTYPE} == "athlon-mp" || ${CPUTYPE} == "athlon-xp" || \
171    ${CPUTYPE} == "athlon-4"
172MACHINE_CPU = athlon-xp athlon k7 3dnow sse mmx k6 k5 i586 i486 i386
173.  elif ${CPUTYPE} == "athlon" || ${CPUTYPE} == "athlon-tbird"
174MACHINE_CPU = athlon k7 3dnow mmx k6 k5 i586 i486 i386
175.  elif ${CPUTYPE} == "k6-3" || ${CPUTYPE} == "k6-2" || ${CPUTYPE} == "geode"
176MACHINE_CPU = 3dnow mmx k6 k5 i586 i486 i386
177.  elif ${CPUTYPE} == "k6"
178MACHINE_CPU = mmx k6 k5 i586 i486 i386
179.  elif ${CPUTYPE} == "k5"
180MACHINE_CPU = k5 i586 i486 i386
181.  elif ${CPUTYPE} == "c3"
182MACHINE_CPU = 3dnow mmx i586 i486 i386
183.  elif ${CPUTYPE} == "c3-2"
184MACHINE_CPU = sse mmx i586 i486 i386
185.  elif ${CPUTYPE} == "c7"
186MACHINE_CPU = sse3 sse2 sse i686 mmx i586 i486 i386
187.  elif ${CPUTYPE} == "core2"
188MACHINE_CPU = ssse3 sse3 sse2 sse i686 mmx i586 i486 i386
189.  elif ${CPUTYPE} == "prescott"
190MACHINE_CPU = sse3 sse2 sse i686 mmx i586 i486 i386
191.  elif ${CPUTYPE} == "pentium4" || ${CPUTYPE} == "pentium4m" || ${CPUTYPE} == "pentium-m"
192MACHINE_CPU = sse2 sse i686 mmx i586 i486 i386
193.  elif ${CPUTYPE} == "pentium3" || ${CPUTYPE} == "pentium3m"
194MACHINE_CPU = sse i686 mmx i586 i486 i386
195.  elif ${CPUTYPE} == "pentium2"
196MACHINE_CPU = i686 mmx i586 i486 i386
197.  elif ${CPUTYPE} == "pentiumpro"
198MACHINE_CPU = i686 i586 i486 i386
199.  elif ${CPUTYPE} == "pentium-mmx"
200MACHINE_CPU = mmx i586 i486 i386
201.  elif ${CPUTYPE} == "pentium"
202MACHINE_CPU = i586 i486 i386
203.  elif ${CPUTYPE} == "i486"
204MACHINE_CPU = i486 i386
205.  elif ${CPUTYPE} == "i386"
206MACHINE_CPU = i386
207.  endif
208. elif ${MACHINE_CPUARCH} == "amd64"
209.  if ${CPUTYPE} == "opteron-sse3" || ${CPUTYPE} == "athlon64-sse3" || ${CPUTYPE} == "k8-sse3"
210MACHINE_CPU = k8 3dnow sse3
211.  elif ${CPUTYPE} == "opteron" || ${CPUTYPE} == "athlon64" || ${CPUTYPE} == "k8"
212MACHINE_CPU = k8 3dnow
213.  elif ${CPUTYPE} == "core2"
214MACHINE_CPU = ssse3 sse3
215.  elif ${CPUTYPE} == "nocona"
216MACHINE_CPU = sse3
217.  endif
218MACHINE_CPU += amd64 sse2 sse mmx
219. elif ${MACHINE_CPUARCH} == "ia64"
220.  if ${CPUTYPE} == "itanium"
221MACHINE_CPU = itanium
222.  endif
223. elif ${MACHINE_ARCH} == "powerpc"
224.  if ${CPUTYPE} == "e500"
225MACHINE_CPU = booke
226.  endif
227. elif ${MACHINE_ARCH} == "sparc64"
228.  if ${CPUTYPE} == "v9"
229MACHINE_CPU = v9
230.  elif ${CPUTYPE} == "ultrasparc"
231MACHINE_CPU = v9 ultrasparc
232.  elif ${CPUTYPE} == "ultrasparc3"
233MACHINE_CPU = v9 ultrasparc ultrasparc3
234.  endif
235. endif
236.endif
237
238.if ${MACHINE_CPUARCH} == "mips"
239CFLAGS += -G0
240.endif
241
242# NB: COPTFLAGS is handled in /usr/src/sys/conf/kern.pre.mk
243
244.if !defined(NO_CPU_CFLAGS)
245. if ${CC} == "icc"
246CFLAGS += ${_ICC_CPUCFLAGS}
247. else
248CFLAGS += ${_CPUCFLAGS}
249. endif
250.endif
251