bsd.cpu.mk revision 216820 
1# $FreeBSD: head/share/mk/bsd.cpu.mk 216820 2010-12-30 15:58:23Z marius $
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" || ${CPUTYPE} == "core2"
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" || ${CPUTYPE} == "athlon64" || \
53     ${CPUTYPE} == "k8"
54CPUTYPE = athlon-mp
55.  elif ${CPUTYPE} == "k7"
56CPUTYPE = athlon
57.  endif
58. elif ${MACHINE_CPUARCH} == "amd64"
59.  if ${CPUTYPE} == "prescott" || ${CPUTYPE} == "core2"
60CPUTYPE = nocona
61.  endif
62. elif ${MACHINE_ARCH} == "sparc64"
63.  if ${CPUTYPE} == "us"
64CPUTYPE = ultrasparc
65.  elif ${CPUTYPE} == "us3"
66CPUTYPE = ultrasparc3
67.  endif
68. endif
69
70###############################################################################
71# Logic to set up correct gcc optimization flag.  This must be included
72# after /etc/make.conf so it can react to the local value of CPUTYPE
73# defined therein.  Consult:
74#	http://gcc.gnu.org/onlinedocs/gcc/ARM-Options.html
75#	http://gcc.gnu.org/onlinedocs/gcc/IA_002d64-Options.html
76#	http://gcc.gnu.org/onlinedocs/gcc/RS_002f6000-and-PowerPC-Options.html
77#	http://gcc.gnu.org/onlinedocs/gcc/MIPS-Options.html
78#	http://gcc.gnu.org/onlinedocs/gcc/SPARC-Options.html
79#	http://gcc.gnu.org/onlinedocs/gcc/i386-and-x86_002d64-Options.html
80
81. if ${MACHINE_CPUARCH} == "i386"
82.  if ${CPUTYPE} == "crusoe"
83_CPUCFLAGS = -march=i686 -falign-functions=0 -falign-jumps=0 -falign-loops=0
84.  elif ${CPUTYPE} == "k5"
85_CPUCFLAGS = -march=pentium
86.  else
87_CPUCFLAGS = -march=${CPUTYPE}
88.  endif # GCC on 'i386'
89.  if ${CPUTYPE} == "crusoe"
90_ICC_CPUCFLAGS = -tpp6 -xiM
91.  elif ${CPUTYPE} == "athlon-mp" || ${CPUTYPE} == "athlon-xp" || \
92    ${CPUTYPE} == "athlon-4"
93_ICC_CPUCFLAGS = -tpp6 -xiMK
94.  elif ${CPUTYPE} == "athlon-tbird" || ${CPUTYPE} == "athlon"
95_ICC_CPUCFLAGS = -tpp6 -xiM
96.  elif ${CPUTYPE} == "k6-3" || ${CPUTYPE} == "k6-2" || ${CPUTYPE} == "k6"
97_ICC_CPUCFLAGS = -tpp6 -xi
98.  elif ${CPUTYPE} == "k5"
99_ICC_CPUCFLAGS = -tpp5
100.  elif ${CPUTYPE} == "pentium4" || ${CPUTYPE} == "pentium4m"
101_ICC_CPUCFLAGS = -tpp7 -xiMKW
102.  elif ${CPUTYPE} == "pentium3" || ${CPUTYPE} == "pentium3m" || \
103     ${CPUTYPE} == "pentium-m"
104_ICC_CPUCFLAGS = -tpp6 -xiMK
105.  elif ${CPUTYPE} == "pentium2" || ${CPUTYPE} == "pentiumpro"
106_ICC_CPUCFLAGS = -tpp6 -xiM
107.  elif ${CPUTYPE} == "pentium-mmx"
108_ICC_CPUCFLAGS = -tpp5 -xM
109.  elif ${CPUTYPE} == "pentium"
110_ICC_CPUCFLAGS = -tpp5
111.  else
112_ICC_CPUCFLAGS =
113.  endif # ICC on 'i386'
114. elif ${MACHINE_CPUARCH} == "amd64"
115_CPUCFLAGS = -march=${CPUTYPE}
116. elif ${MACHINE_CPUARCH} == "arm"
117.  if ${CPUTYPE} == "xscale"
118#XXX: gcc doesn't seem to like -mcpu=xscale, and dies while rebuilding itself
119#_CPUCFLAGS = -mcpu=xscale
120_CPUCFLAGS = -march=armv5te -D__XSCALE__
121.  else
122_CPUCFLAGS = -mcpu=${CPUTYPE}
123.  endif
124. elif ${MACHINE_ARCH} == "powerpc"
125.  if ${CPUTYPE} == "e500"
126_CPUCFLAGS = -Wa,-me500 -msoft-float
127.  else
128_CPUCFLAGS = -mcpu=${CPUTYPE} -mno-powerpc64
129.  endif
130. elif ${MACHINE_ARCH} == "powerpc64"
131_CPUCFLAGS = -mcpu=${CPUTYPE}
132. elif ${MACHINE_CPUARCH} == "mips"
133.  if ${CPUTYPE} == "mips32"
134_CPUCFLAGS = -march=mips32
135.  elif ${CPUTYPE} == "mips32r2"
136_CPUCFLAGS = -march=mips32r2
137.  elif ${CPUTYPE} == "mips64"
138_CPUCFLAGS = -march=mips64
139.  elif ${CPUTYPE} == "mips64r2"
140_CPUCFLAGS = -march=mips64r2
141.  elif ${CPUTYPE} == "mips4kc"
142_CPUCFLAGS = -march=4kc
143.  elif ${CPUTYPE} == "mips24kc"
144_CPUCFLAGS = -march=24kc
145.  endif
146. elif ${MACHINE_ARCH} == "sparc64"
147.  if ${CPUTYPE} == "v9"
148_CPUCFLAGS = -mcpu=v9
149.  elif ${CPUTYPE} == "ultrasparc"
150_CPUCFLAGS = -mcpu=ultrasparc
151.  elif ${CPUTYPE} == "ultrasparc3"
152_CPUCFLAGS = -mcpu=ultrasparc3
153.  endif
154. endif
155
156# Set up the list of CPU features based on the CPU type.  This is an
157# unordered list to make it easy for client makefiles to test for the
158# presence of a CPU feature.
159
160. if ${MACHINE_CPUARCH} == "i386"
161.  if ${CPUTYPE} == "opteron" || ${CPUTYPE} == "athlon64"
162MACHINE_CPU = athlon-xp athlon k7 3dnow sse2 sse mmx k6 k5 i586 i486 i386
163.  elif ${CPUTYPE} == "athlon-mp" || ${CPUTYPE} == "athlon-xp" || \
164    ${CPUTYPE} == "athlon-4"
165MACHINE_CPU = athlon-xp athlon k7 3dnow sse mmx k6 k5 i586 i486 i386
166.  elif ${CPUTYPE} == "athlon" || ${CPUTYPE} == "athlon-tbird"
167MACHINE_CPU = athlon k7 3dnow mmx k6 k5 i586 i486 i386
168.  elif ${CPUTYPE} == "k6-3" || ${CPUTYPE} == "k6-2"
169MACHINE_CPU = 3dnow mmx k6 k5 i586 i486 i386
170.  elif ${CPUTYPE} == "k6"
171MACHINE_CPU = mmx k6 k5 i586 i486 i386
172.  elif ${CPUTYPE} == "k5"
173MACHINE_CPU = k5 i586 i486 i386
174.  elif ${CPUTYPE} == "c3"
175MACHINE_CPU = 3dnow mmx i586 i486 i386
176.  elif ${CPUTYPE} == "c3-2"
177MACHINE_CPU = sse mmx i586 i486 i386
178.  elif ${CPUTYPE} == "c7"
179MACHINE_CPU = sse3 sse2 sse i686 mmx i586 i486 i386
180.  elif ${CPUTYPE} == "prescott"
181MACHINE_CPU = sse3 sse2 sse i686 mmx i586 i486 i386
182.  elif ${CPUTYPE} == "pentium4" || ${CPUTYPE} == "pentium4m" || ${CPUTYPE} == "pentium-m"
183MACHINE_CPU = sse2 sse i686 mmx i586 i486 i386
184.  elif ${CPUTYPE} == "pentium3" || ${CPUTYPE} == "pentium3m"
185MACHINE_CPU = sse i686 mmx i586 i486 i386
186.  elif ${CPUTYPE} == "pentium2"
187MACHINE_CPU = i686 mmx i586 i486 i386
188.  elif ${CPUTYPE} == "pentiumpro"
189MACHINE_CPU = i686 i586 i486 i386
190.  elif ${CPUTYPE} == "pentium-mmx"
191MACHINE_CPU = mmx i586 i486 i386
192.  elif ${CPUTYPE} == "pentium"
193MACHINE_CPU = i586 i486 i386
194.  elif ${CPUTYPE} == "i486"
195MACHINE_CPU = i486 i386
196.  elif ${CPUTYPE} == "i386"
197MACHINE_CPU = i386
198.  endif
199. elif ${MACHINE_CPUARCH} == "amd64"
200.  if ${CPUTYPE} == "opteron" || ${CPUTYPE} == "athlon64" || ${CPUTYPE} == "k8"
201MACHINE_CPU = k8 3dnow
202.  elif ${CPUTYPE} == "nocona"
203MACHINE_CPU = sse3
204.  endif
205MACHINE_CPU += amd64 sse2 sse mmx
206. elif ${MACHINE_CPUARCH} == "ia64"
207.  if ${CPUTYPE} == "itanium"
208MACHINE_CPU = itanium
209.  endif
210. elif ${MACHINE_ARCH} == "powerpc"
211.  if ${CPUTYPE} == "e500"
212MACHINE_CPU = booke
213.  endif
214. elif ${MACHINE_ARCH} == "sparc64"
215.  if ${CPUTYPE} == "v9"
216MACHINE_CPU = v9
217.  elif ${CPUTYPE} == "ultrasparc"
218MACHINE_CPU = v9 ultrasparc
219.  elif ${CPUTYPE} == "ultrasparc3"
220MACHINE_CPU = v9 ultrasparc ultrasparc3
221.  endif
222. endif
223.endif
224
225.if ${MACHINE_CPUARCH} == "mips"
226CFLAGS += -G0
227.endif
228
229# NB: COPTFLAGS is handled in /usr/src/sys/conf/kern.pre.mk
230
231.if !defined(NO_CPU_CFLAGS)
232. if ${CC} == "icc"
233CFLAGS += ${_ICC_CPUCFLAGS}
234. else
235CFLAGS += ${_CPUCFLAGS}
236. endif
237.endif
238