bsd.cpu.mk revision 136606 
1# $FreeBSD: head/share/mk/bsd.cpu.mk 136606 2004-10-17 05:08:29Z obrien $
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_ARCH} == "i386"
10MACHINE_CPU = i486
11. elif ${MACHINE_ARCH} == "alpha"
12_CPUCFLAGS = -mcpu=ev4 -mtune=ev5
13MACHINE_CPU = ev4
14. elif ${MACHINE_ARCH} == "amd64"
15MACHINE_CPU = amd64 sse2 sse
16. elif ${MACHINE_ARCH} == "ia64"
17MACHINE_CPU = itanium
18. elif ${MACHINE_ARCH} == "sparc64"
19. elif ${MACHINE_ARCH} == "arm"
20MACHINE_CPU = arm
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_ARCH} == "i386"
28.  if ${CPUTYPE} == "p4"
29CPUTYPE = pentium4
30.  elif ${CPUTYPE} == "p4m"
31CPUTYPE = pentium4m
32.  elif ${CPUTYPE} == "p3"
33CPUTYPE = pentium3
34.  elif ${CPUTYPE} == "p3m"
35CPUTYPE = pentium3m
36.  elif ${CPUTYPE} == "p-m"
37CPUTYPE = pentium-m
38.  elif ${CPUTYPE} == "p2"
39CPUTYPE = pentium2
40.  elif ${CPUTYPE} == "i686"
41CPUTYPE = pentiumpro
42.  elif ${CPUTYPE} == "i586/mmx"
43CPUTYPE = pentium-mmx
44.  elif ${CPUTYPE} == "i586"
45CPUTYPE = pentium
46.  elif ${CPUTYPE} == "opteron"
47CPUTYPE = athlon-mp
48.  elif ${CPUTYPE} == "athlon64"
49CPUTYPE = athlon-xp
50.  elif ${CPUTYPE} == "k7"
51CPUTYPE = athlon
52.  endif
53. endif
54
55###############################################################################
56# Logic to set up correct gcc optimization flag.  This must be included
57# after /etc/make.conf so it can react to the local value of CPUTYPE
58# defined therein.  Consult:
59#	http://gcc.gnu.org/onlinedocs/gcc/DEC-Alpha-Options.html
60#	http://gcc.gnu.org/onlinedocs/gcc/IA-64-Options.html
61#	http://gcc.gnu.org/onlinedocs/gcc/RS-6000-and-PowerPC-Options.html
62#	http://gcc.gnu.org/onlinedocs/gcc/SPARC-Options.html
63#	http://gcc.gnu.org/onlinedocs/gcc/i386-and-x86-64-Options.html
64
65. if ${MACHINE_ARCH} == "i386"
66.  if ${CPUTYPE} == "crusoe"
67_CPUCFLAGS = -march=i686 -falign-functions=0 -falign-jumps=0 -falign-loops=0
68.  elif ${CPUTYPE} == "k5"
69_CPUCFLAGS = -march=pentium
70.  else
71_CPUCFLAGS = -march=${CPUTYPE}
72.  endif # GCC on 'i386'
73.  if ${CPUTYPE} == "crusoe"
74_ICC_CPUCFLAGS = -tpp6 -xiM
75.  elif ${CPUTYPE} == "athlon-mp" || ${CPUTYPE} == "athlon-xp" || \
76    ${CPUTYPE} == "athlon-4"
77_ICC_CPUCFLAGS = -tpp6 -xiMK
78.  elif ${CPUTYPE} == "athlon-tbird" || ${CPUTYPE} == "athlon"
79_ICC_CPUCFLAGS = -tpp6 -xiM
80.  elif ${CPUTYPE} == "k6-3" || ${CPUTYPE} == "k6-2" || ${CPUTYPE} == "k6"
81_ICC_CPUCFLAGS = -tpp6 -xi
82.  elif ${CPUTYPE} == "k5"
83_ICC_CPUCFLAGS = -tpp5
84.  elif ${CPUTYPE} == "pentium4" || ${CPUTYPE} == "pentium4m"
85_ICC_CPUCFLAGS = -tpp7 -xiMKW
86.  elif ${CPUTYPE} == "pentium3" || ${CPUTYPE} == "pentium3m" || \
87     ${CPUTYPE} == "pentium-m"
88_ICC_CPUCFLAGS = -tpp6 -xiMK
89.  elif ${CPUTYPE} == "pentium2" || ${CPUTYPE} == "pentiumpro"
90_ICC_CPUCFLAGS = -tpp6 -xiM
91.  elif ${CPUTYPE} == "pentium-mmx"
92_ICC_CPUCFLAGS = -tpp5 -xM
93.  elif ${CPUTYPE} == "pentium"
94_ICC_CPUCFLAGS = -tpp5
95.  else
96_ICC_CPUCFLAGS =
97.  endif # ICC on 'i386'
98. elif ${MACHINE_ARCH} == "alpha"
99_CPUCFLAGS = -mcpu=${CPUTYPE}
100. elif ${MACHINE_ARCH} == "arm"
101.  if ${CPUTYPE} == "xscale"
102#XXX: gcc doesn't seem to like -mcpu=xscale, and dies while rebuilding itself
103#_CPUCFLAGS = -mcpu=xscale
104_CPUCFLAGS = -D__XSCALE__
105.  else
106_CPUCFLAGS = -mcpu=${CPUTYPE}
107.  endif
108. endif
109
110# Set up the list of CPU features based on the CPU type.  This is an
111# unordered list to make it easy for client makefiles to test for the
112# presence of a CPU feature.
113
114. if ${MACHINE_ARCH} == "i386"
115.  if ${CPUTYPE} == "athlon-mp" || ${CPUTYPE} == "athlon-xp" || \
116    ${CPUTYPE} == "athlon-4"
117MACHINE_CPU = athlon-xp athlon k7 3dnow sse mmx k6 k5 i586 i486 i386
118.  elif ${CPUTYPE} == "athlon" || ${CPUTYPE} == "athlon-tbird"
119MACHINE_CPU = athlon k7 3dnow mmx k6 k5 i586 i486 i386
120.  elif ${CPUTYPE} == "k6-3" || ${CPUTYPE} == "k6-2"
121MACHINE_CPU = 3dnow mmx k6 k5 i586 i486 i386
122.  elif ${CPUTYPE} == "k6"
123MACHINE_CPU = mmx k6 k5 i586 i486 i386
124.  elif ${CPUTYPE} == "k5"
125MACHINE_CPU = k5 i586 i486 i386
126.  elif ${CPUTYPE} == "pentium4" || ${CPUTYPE} == "pentium4m" || \
127     ${CPUTYPE} == "pentium-m"
128MACHINE_CPU = sse2 sse i686 mmx i586 i486 i386
129.  elif ${CPUTYPE} == "pentium3" || ${CPUTYPE} == "pentium3m"
130MACHINE_CPU = sse i686 mmx i586 i486 i386
131.  elif ${CPUTYPE} == "pentium2"
132MACHINE_CPU = i686 mmx i586 i486 i386
133.  elif ${CPUTYPE} == "pentiumpro"
134MACHINE_CPU = i686 i586 i486 i386
135.  elif ${CPUTYPE} == "pentium-mmx"
136MACHINE_CPU = mmx i586 i486 i386
137.  elif ${CPUTYPE} == "pentium"
138MACHINE_CPU = i586 i486 i386
139.  elif ${CPUTYPE} == "i486"
140MACHINE_CPU = i486 i386
141.  elif ${CPUTYPE} == "i386"
142MACHINE_CPU = i386
143.  endif
144. elif ${MACHINE_ARCH} == "alpha"
145.  if ${CPUTYPE} == "ev6"
146MACHINE_CPU = ev6 ev56 pca56 ev5 ev45 ev4
147.  elif ${CPUTYPE} == "pca56"
148MACHINE_CPU = pca56 ev56 ev5 ev45 ev4
149.  elif ${CPUTYPE} == "ev56"
150MACHINE_CPU = ev56 ev5 ev45 ev4
151.  elif ${CPUTYPE} == "ev5"
152MACHINE_CPU = ev5 ev45 ev4
153.  elif ${CPUTYPE} == "ev45"
154MACHINE_CPU = ev45 ev4
155.  elif ${CPUTYPE} == "ev4"
156MACHINE_CPU = ev4
157.  endif
158. elif ${MACHINE_ARCH} == "amd64"
159MACHINE_CPU = amd64 sse2 sse
160. elif ${MACHINE_ARCH} == "ia64"
161.  if ${CPUTYPE} == "itanium"
162MACHINE_CPU = itanium
163.  endif
164. endif
165.endif
166
167.if ${MACHINE_ARCH} == "alpha"
168_CPUCFLAGS += -mieee
169.endif
170
171# NB: COPTFLAGS is handled in /usr/src/sys/conf/kern.pre.mk
172
173.if !defined(NO_CPU_CFLAGS)
174. if ${CC} == "icc"
175CFLAGS += ${_ICC_CPUCFLAGS}
176. else
177CFLAGS += ${_CPUCFLAGS}
178. endif
179.endif
180