bsd.cpu.mk revision 127258 
1# $FreeBSD: head/share/mk/bsd.cpu.mk 127258 2004-03-21 04:57:24Z marcel $
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. 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} == "pentiumpro"
29CPUTYPE = i686
30.  elif ${CPUTYPE} == "pentium"
31CPUTYPE = i586
32.  elif ${CPUTYPE} == "k7"
33CPUTYPE = athlon
34.  endif
35. endif
36
37# Logic to set up correct gcc optimization flag.  This must be included
38# after /etc/make.conf so it can react to the local value of CPUTYPE
39# defined therein.  Consult:
40#	http://gcc.gnu.org/onlinedocs/gcc/DEC-Alpha-Options.html
41#	http://gcc.gnu.org/onlinedocs/gcc/IA-64-Options.html
42#	http://gcc.gnu.org/onlinedocs/gcc/RS-6000-and-PowerPC-Options.html
43#	http://gcc.gnu.org/onlinedocs/gcc/SPARC-Options.html
44#	http://gcc.gnu.org/onlinedocs/gcc/i386-and-x86-64-Options.html
45
46. if ${MACHINE_ARCH} == "i386"
47.  if ${CPUTYPE} == "athlon-mp" || ${CPUTYPE} == "athlon-xp" || \
48    ${CPUTYPE} == "athlon-4"
49_ICC_CPUCFLAGS = -tpp6 -xiMK
50_CPUCFLAGS = -march=${CPUTYPE}
51.  elif ${CPUTYPE} == "athlon-tbird" || ${CPUTYPE} == "athlon"
52_CPUCFLAGS = -march=${CPUTYPE}
53_ICC_CPUCFLAGS = -tpp6 -xiM
54.  elif ${CPUTYPE} == "k6-3" || ${CPUTYPE} == "k6-2" || ${CPUTYPE} == "k6"
55_CPUCFLAGS = -march=${CPUTYPE}
56_ICC_CPUCFLAGS = -tpp6 -xi
57.  elif ${CPUTYPE} == "k5"
58_ICC_CPUCFLAGS = -tpp5
59_CPUCFLAGS = -march=pentium
60.  elif ${CPUTYPE} == "p4"
61_ICC_CPUCFLAGS = -tpp7 -xiMKW
62_CPUCFLAGS = -march=pentium4
63.  elif ${CPUTYPE} == "p3"
64_ICC_CPUCFLAGS = -tpp6 -xiMK
65_CPUCFLAGS = -march=pentium3
66.  elif ${CPUTYPE} == "p2"
67_ICC_CPUCFLAGS = -tpp6 -xiM
68_CPUCFLAGS = -march=pentium2
69.  elif ${CPUTYPE} == "i686"
70_ICC_CPUCFLAGS = -tpp6 -xiM
71_CPUCFLAGS = -march=pentiumpro
72.  elif ${CPUTYPE} == "i586/mmx"
73_ICC_CPUCFLAGS = -tpp5 -xM
74_CPUCFLAGS = -march=pentium-mmx
75.  elif ${CPUTYPE} == "i586"
76_ICC_CPUCFLAGS = -tpp5
77_CPUCFLAGS = -march=pentium
78.  elif ${CPUTYPE} == "i486"
79_ICC_CPUCFLAGS =
80_CPUCFLAGS = -march=i486
81.  endif
82. elif ${MACHINE_ARCH} == "alpha"
83.  if ${CPUTYPE} == "ev67"
84_CPUCFLAGS = -mcpu=ev67
85.  elif ${CPUTYPE} == "ev6"
86_CPUCFLAGS = -mcpu=ev6
87.  elif ${CPUTYPE} == "pca56"
88_CPUCFLAGS = -mcpu=pca56
89.  elif ${CPUTYPE} == "ev56"
90_CPUCFLAGS = -mcpu=ev56
91.  elif ${CPUTYPE} == "ev5"
92_CPUCFLAGS = -mcpu=ev5
93.  elif ${CPUTYPE} == "ev45"
94_CPUCFLAGS = -mcpu=ev45
95.  elif ${CPUTYPE} == "ev4"
96_CPUCFLAGS = -mcpu=ev4
97.  endif
98. endif
99
100# Set up the list of CPU features based on the CPU type.  This is an
101# unordered list to make it easy for client makefiles to test for the
102# presence of a CPU feature.
103
104. if ${MACHINE_ARCH} == "i386"
105.  if ${CPUTYPE} == "athlon-mp" || ${CPUTYPE} == "athlon-xp" || \
106    ${CPUTYPE} == "athlon-4"
107MACHINE_CPU = athlon-xp k7 3dnow sse mmx k6 k5 i586 i486 i386
108.  elif ${CPUTYPE} == "athlon" || ${CPUTYPE} == "athlon-tbird"
109MACHINE_CPU = athlon k7 3dnow mmx k6 k5 i586 i486 i386
110.  elif ${CPUTYPE} == "k6-3" || ${CPUTYPE} == "k6-2"
111MACHINE_CPU = 3dnow mmx k6 k5 i586 i486 i386
112.  elif ${CPUTYPE} == "k6"
113MACHINE_CPU = mmx k6 k5 i586 i486 i386
114.  elif ${CPUTYPE} == "k5"
115MACHINE_CPU = k5 i586 i486 i386
116.  elif ${CPUTYPE} == "p4"
117MACHINE_CPU = sse2 sse i686 mmx i586 i486 i386
118.  elif ${CPUTYPE} == "p3"
119MACHINE_CPU = sse i686 mmx i586 i486 i386
120.  elif ${CPUTYPE} == "p2"
121MACHINE_CPU = i686 mmx i586 i486 i386
122.  elif ${CPUTYPE} == "i686"
123MACHINE_CPU = i686 i586 i486 i386
124.  elif ${CPUTYPE} == "i586/mmx"
125MACHINE_CPU = mmx i586 i486 i386
126.  elif ${CPUTYPE} == "i586"
127MACHINE_CPU = i586 i486 i386
128.  elif ${CPUTYPE} == "i486"
129MACHINE_CPU = i486 i386
130.  elif ${CPUTYPE} == "i386"
131MACHINE_CPU = i386
132.  endif
133. elif ${MACHINE_ARCH} == "alpha"
134.  if ${CPUTYPE} == "ev6"
135MACHINE_CPU = ev6 ev56 pca56 ev5 ev45 ev4
136.  elif ${CPUTYPE} == "pca56"
137MACHINE_CPU = pca56 ev56 ev5 ev45 ev4
138.  elif ${CPUTYPE} == "ev56"
139MACHINE_CPU = ev56 ev5 ev45 ev4
140.  elif ${CPUTYPE} == "ev5"
141MACHINE_CPU = ev5 ev45 ev4
142.  elif ${CPUTYPE} == "ev45"
143MACHINE_CPU = ev45 ev4
144.  elif ${CPUTYPE} == "ev4"
145MACHINE_CPU = ev4
146.  endif
147. elif ${MACHINE_ARCH} == "amd64"
148MACHINE_CPU = amd64 sse2 sse
149. elif ${MACHINE_ARCH} == "ia64"
150.  if ${CPUTYPE} == "itanium"
151MACHINE_CPU = itanium
152.  endif
153. endif
154.endif
155
156.if ${MACHINE_ARCH} == "alpha"
157_CPUCFLAGS += -mieee
158.endif
159
160# NB: COPTFLAGS is handled in /usr/src/sys/conf/kern.pre.mk
161
162.if !defined(NO_CPU_CFLAGS)
163. if ${CC} == "icc"
164CFLAGS += ${_ICC_CPUCFLAGS}
165. else
166CFLAGS += ${_CPUCFLAGS}
167. endif
168.endif
169