bsd.cpu.mk revision 126938 
1# $FreeBSD: head/share/mk/bsd.cpu.mk 126938 2004-03-14 01:29:05Z trhodes $
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/i386-and-x86-64-Options.html
41#	http://gcc.gnu.org/onlinedocs/gcc/DEC-Alpha-Options.html
42#	http://gcc.gnu.org/onlinedocs/gcc/SPARC-Options.html
43#	http://gcc.gnu.org/onlinedocs/gcc/RS-6000-and-PowerPC-Options.html
44
45. if ${MACHINE_ARCH} == "i386"
46.  if ${CPUTYPE} == "athlon-mp" || ${CPUTYPE} == "athlon-xp" || \
47    ${CPUTYPE} == "athlon-4"
48_ICC_CPUCFLAGS = -tpp6 -xiMK
49_CPUCFLAGS = -march=${CPUTYPE}
50.  elif ${CPUTYPE} == "athlon-tbird" || ${CPUTYPE} == "athlon"
51_CPUCFLAGS = -march=${CPUTYPE}
52_ICC_CPUCFLAGS = -tpp6 -xiM
53.  elif ${CPUTYPE} == "k6-3" || ${CPUTYPE} == "k6-2" || ${CPUTYPE} == "k6"
54_CPUCFLAGS = -march=${CPUTYPE}
55_ICC_CPUCFLAGS = -tpp6 -xi
56.  elif ${CPUTYPE} == "k5"
57_ICC_CPUCFLAGS = -tpp5
58_CPUCFLAGS = -march=pentium
59.  elif ${CPUTYPE} == "p4"
60_ICC_CPUCFLAGS = -tpp7 -xiMKW
61_CPUCFLAGS = -march=pentium4
62.  elif ${CPUTYPE} == "p3"
63_ICC_CPUCFLAGS = -tpp6 -xiMK
64_CPUCFLAGS = -march=pentium3
65.  elif ${CPUTYPE} == "p2"
66_ICC_CPUCFLAGS = -tpp6 -xiM
67_CPUCFLAGS = -march=pentium2
68.  elif ${CPUTYPE} == "i686"
69_ICC_CPUCFLAGS = -tpp6 -xiM
70_CPUCFLAGS = -march=pentiumpro
71.  elif ${CPUTYPE} == "i586/mmx"
72_ICC_CPUCFLAGS = -tpp5 -xM
73_CPUCFLAGS = -march=pentium-mmx
74.  elif ${CPUTYPE} == "i586"
75_ICC_CPUCFLAGS = -tpp5
76_CPUCFLAGS = -march=pentium
77.  elif ${CPUTYPE} == "i486"
78_ICC_CPUCFLAGS =
79_CPUCFLAGS = -march=i486
80.  endif
81. elif ${MACHINE_ARCH} == "alpha"
82.  if ${CPUTYPE} == "ev67"
83_CPUCFLAGS = -mcpu=ev67
84.  elif ${CPUTYPE} == "ev6"
85_CPUCFLAGS = -mcpu=ev6
86.  elif ${CPUTYPE} == "pca56"
87_CPUCFLAGS = -mcpu=pca56
88.  elif ${CPUTYPE} == "ev56"
89_CPUCFLAGS = -mcpu=ev56
90.  elif ${CPUTYPE} == "ev5"
91_CPUCFLAGS = -mcpu=ev5
92.  elif ${CPUTYPE} == "ev45"
93_CPUCFLAGS = -mcpu=ev45
94.  elif ${CPUTYPE} == "ev4"
95_CPUCFLAGS = -mcpu=ev4
96.  endif
97. endif
98
99# Set up the list of CPU features based on the CPU type.  This is an
100# unordered list to make it easy for client makefiles to test for the
101# presence of a CPU feature.
102
103. if ${MACHINE_ARCH} == "i386"
104.  if ${CPUTYPE} == "athlon-mp" || ${CPUTYPE} == "athlon-xp" || \
105    ${CPUTYPE} == "athlon-4"
106MACHINE_CPU = athlon-xp k7 3dnow sse mmx k6 k5 i586 i486 i386
107.  elif ${CPUTYPE} == "athlon" || ${CPUTYPE} == "athlon-tbird"
108MACHINE_CPU = athlon k7 3dnow mmx k6 k5 i586 i486 i386
109.  elif ${CPUTYPE} == "k6-3" || ${CPUTYPE} == "k6-2"
110MACHINE_CPU = 3dnow mmx k6 k5 i586 i486 i386
111.  elif ${CPUTYPE} == "k6"
112MACHINE_CPU = mmx k6 k5 i586 i486 i386
113.  elif ${CPUTYPE} == "k5"
114MACHINE_CPU = k5 i586 i486 i386
115.  elif ${CPUTYPE} == "p4"
116MACHINE_CPU = sse2 sse i686 mmx i586 i486 i386
117.  elif ${CPUTYPE} == "p3"
118MACHINE_CPU = sse i686 mmx i586 i486 i386
119.  elif ${CPUTYPE} == "p2"
120MACHINE_CPU = i686 mmx i586 i486 i386
121.  elif ${CPUTYPE} == "i686"
122MACHINE_CPU = i686 i586 i486 i386
123.  elif ${CPUTYPE} == "i586/mmx"
124MACHINE_CPU = mmx i586 i486 i386
125.  elif ${CPUTYPE} == "i586"
126MACHINE_CPU = i586 i486 i386
127.  elif ${CPUTYPE} == "i486"
128MACHINE_CPU = i486 i386
129.  elif ${CPUTYPE} == "i386"
130MACHINE_CPU = i386
131.  endif
132. elif ${MACHINE_ARCH} == "alpha"
133.  if ${CPUTYPE} == "ev6"
134MACHINE_CPU = ev6 ev56 pca56 ev5 ev45 ev4
135.  elif ${CPUTYPE} == "pca56"
136MACHINE_CPU = pca56 ev56 ev5 ev45 ev4
137.  elif ${CPUTYPE} == "ev56"
138MACHINE_CPU = ev56 ev5 ev45 ev4
139.  elif ${CPUTYPE} == "ev5"
140MACHINE_CPU = ev5 ev45 ev4
141.  elif ${CPUTYPE} == "ev45"
142MACHINE_CPU = ev45 ev4
143.  elif ${CPUTYPE} == "ev4"
144MACHINE_CPU = ev4
145.  endif
146. elif ${MACHINE_ARCH} == "amd64"
147MACHINE_CPU = amd64 sse2 sse
148. elif ${MACHINE_ARCH} == "ia64"
149.  if ${CPUTYPE} == "itanium"
150MACHINE_CPU = itanium
151.  endif
152. endif
153.endif
154
155.if ${MACHINE_ARCH} == "alpha"
156_CPUCFLAGS += -mieee
157.endif
158
159# NB: COPTFLAGS is handled in /usr/src/sys/conf/kern.pre.mk
160
161.if !defined(NO_CPU_CFLAGS)
162. if ${CC} == "icc"
163CFLAGS += ${_ICC_CPUCFLAGS}
164. else
165CFLAGS += ${_CPUCFLAGS}
166. endif
167.endif
168