bsd.cpu.mk revision 129217 
1# $FreeBSD: head/share/mk/bsd.cpu.mk 129217 2004-05-14 13:34:15Z cognet $
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. if ${MACHINE_ARCH} == "i386"
9_CPUCFLAGS =
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"
17_CPUCFLAGS =
18MACHINE_CPU = itanium
19. elif ${MACHINE_ARCH} == "sparc64"
20_CPUCFLAGS =
21. elif ${MACHINE_ARCH} == "arm"
22_CPUCFLAGS =
23MACHINE_CPU = arm
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_ARCH} == "i386"
31.  if ${CPUTYPE} == "pentiumpro"
32CPUTYPE = i686
33.  elif ${CPUTYPE} == "pentium"
34CPUTYPE = i586
35.  elif ${CPUTYPE} == "k7"
36CPUTYPE = athlon
37.  endif
38. endif
39
40# Logic to set up correct gcc optimization flag.  This must be included
41# after /etc/make.conf so it can react to the local value of CPUTYPE
42# defined therein.  Consult:
43#	http://gcc.gnu.org/onlinedocs/gcc/DEC-Alpha-Options.html
44#	http://gcc.gnu.org/onlinedocs/gcc/IA-64-Options.html
45#	http://gcc.gnu.org/onlinedocs/gcc/RS-6000-and-PowerPC-Options.html
46#	http://gcc.gnu.org/onlinedocs/gcc/SPARC-Options.html
47#	http://gcc.gnu.org/onlinedocs/gcc/i386-and-x86-64-Options.html
48
49. if ${MACHINE_ARCH} == "i386"
50.  if ${CPUTYPE} == "crusoe"
51_ICC_CPUCFLAGS = -tpp6 -xiM
52_CPUCFLAGS = -march=i686 -falign-functions=0 -falign-jumps=0 -falign-loops=0
53.  elif ${CPUTYPE} == "athlon-mp" || ${CPUTYPE} == "athlon-xp" || \
54    ${CPUTYPE} == "athlon-4"
55_ICC_CPUCFLAGS = -tpp6 -xiMK
56_CPUCFLAGS = -march=${CPUTYPE}
57.  elif ${CPUTYPE} == "athlon-tbird" || ${CPUTYPE} == "athlon"
58_CPUCFLAGS = -march=${CPUTYPE}
59_ICC_CPUCFLAGS = -tpp6 -xiM
60.  elif ${CPUTYPE} == "k6-3" || ${CPUTYPE} == "k6-2" || ${CPUTYPE} == "k6"
61_CPUCFLAGS = -march=${CPUTYPE}
62_ICC_CPUCFLAGS = -tpp6 -xi
63.  elif ${CPUTYPE} == "k5"
64_ICC_CPUCFLAGS = -tpp5
65_CPUCFLAGS = -march=pentium
66.  elif ${CPUTYPE} == "p4"
67_ICC_CPUCFLAGS = -tpp7 -xiMKW
68_CPUCFLAGS = -march=pentium4
69.  elif ${CPUTYPE} == "p3"
70_ICC_CPUCFLAGS = -tpp6 -xiMK
71_CPUCFLAGS = -march=pentium3
72.  elif ${CPUTYPE} == "p2"
73_ICC_CPUCFLAGS = -tpp6 -xiM
74_CPUCFLAGS = -march=pentium2
75.  elif ${CPUTYPE} == "i686"
76_ICC_CPUCFLAGS = -tpp6 -xiM
77_CPUCFLAGS = -march=pentiumpro
78.  elif ${CPUTYPE} == "i586/mmx"
79_ICC_CPUCFLAGS = -tpp5 -xM
80_CPUCFLAGS = -march=pentium-mmx
81.  elif ${CPUTYPE} == "i586"
82_ICC_CPUCFLAGS = -tpp5
83_CPUCFLAGS = -march=pentium
84.  elif ${CPUTYPE} == "i486"
85_ICC_CPUCFLAGS =
86_CPUCFLAGS = -march=i486
87.  endif
88. elif ${MACHINE_ARCH} == "alpha"
89.  if ${CPUTYPE} == "ev67"
90_CPUCFLAGS = -mcpu=ev67
91.  elif ${CPUTYPE} == "ev6"
92_CPUCFLAGS = -mcpu=ev6
93.  elif ${CPUTYPE} == "pca56"
94_CPUCFLAGS = -mcpu=pca56
95.  elif ${CPUTYPE} == "ev56"
96_CPUCFLAGS = -mcpu=ev56
97.  elif ${CPUTYPE} == "ev5"
98_CPUCFLAGS = -mcpu=ev5
99.  elif ${CPUTYPE} == "ev45"
100_CPUCFLAGS = -mcpu=ev45
101.  elif ${CPUTYPE} == "ev4"
102_CPUCFLAGS = -mcpu=ev4
103.  endif
104. endif
105
106# Set up the list of CPU features based on the CPU type.  This is an
107# unordered list to make it easy for client makefiles to test for the
108# presence of a CPU feature.
109
110. if ${MACHINE_ARCH} == "i386"
111.  if ${CPUTYPE} == "athlon-mp" || ${CPUTYPE} == "athlon-xp" || \
112    ${CPUTYPE} == "athlon-4"
113MACHINE_CPU = athlon-xp k7 3dnow sse mmx k6 k5 i586 i486 i386
114.  elif ${CPUTYPE} == "athlon" || ${CPUTYPE} == "athlon-tbird"
115MACHINE_CPU = athlon k7 3dnow mmx k6 k5 i586 i486 i386
116.  elif ${CPUTYPE} == "k6-3" || ${CPUTYPE} == "k6-2"
117MACHINE_CPU = 3dnow mmx k6 k5 i586 i486 i386
118.  elif ${CPUTYPE} == "k6"
119MACHINE_CPU = mmx k6 k5 i586 i486 i386
120.  elif ${CPUTYPE} == "k5"
121MACHINE_CPU = k5 i586 i486 i386
122.  elif ${CPUTYPE} == "p4"
123MACHINE_CPU = sse2 sse i686 mmx i586 i486 i386
124.  elif ${CPUTYPE} == "p3"
125MACHINE_CPU = sse i686 mmx i586 i486 i386
126.  elif ${CPUTYPE} == "p2"
127MACHINE_CPU = i686 mmx i586 i486 i386
128.  elif ${CPUTYPE} == "i686"
129MACHINE_CPU = i686 i586 i486 i386
130.  elif ${CPUTYPE} == "i586/mmx"
131MACHINE_CPU = mmx i586 i486 i386
132.  elif ${CPUTYPE} == "i586"
133MACHINE_CPU = i586 i486 i386
134.  elif ${CPUTYPE} == "i486"
135MACHINE_CPU = i486 i386
136.  elif ${CPUTYPE} == "i386"
137MACHINE_CPU = i386
138.  endif
139. elif ${MACHINE_ARCH} == "alpha"
140.  if ${CPUTYPE} == "ev6"
141MACHINE_CPU = ev6 ev56 pca56 ev5 ev45 ev4
142.  elif ${CPUTYPE} == "pca56"
143MACHINE_CPU = pca56 ev56 ev5 ev45 ev4
144.  elif ${CPUTYPE} == "ev56"
145MACHINE_CPU = ev56 ev5 ev45 ev4
146.  elif ${CPUTYPE} == "ev5"
147MACHINE_CPU = ev5 ev45 ev4
148.  elif ${CPUTYPE} == "ev45"
149MACHINE_CPU = ev45 ev4
150.  elif ${CPUTYPE} == "ev4"
151MACHINE_CPU = ev4
152.  endif
153. elif ${MACHINE_ARCH} == "amd64"
154MACHINE_CPU = amd64 sse2 sse
155. elif ${MACHINE_ARCH} == "ia64"
156.  if ${CPUTYPE} == "itanium"
157MACHINE_CPU = itanium
158.  endif
159. endif
160.endif
161
162.if ${MACHINE_ARCH} == "alpha"
163_CPUCFLAGS += -mieee
164.endif
165
166# NB: COPTFLAGS is handled in /usr/src/sys/conf/kern.pre.mk
167
168.if !defined(NO_CPU_CFLAGS)
169. if ${CC} == "icc"
170CFLAGS += ${_ICC_CPUCFLAGS}
171. else
172CFLAGS += ${_CPUCFLAGS}
173. endif
174.endif
175