bsd.cpu.mk revision 103045 
1# $FreeBSD: head/share/mk/bsd.cpu.mk 103045 2002-09-07 01:15:29Z mux $
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 = -mcpu=pentiumpro
10CPUTYPE = i386
11. elif ${MACHINE_ARCH} == "alpha"
12_CPUCFLAGS = -mcpu=ev4 -mtune=ev5
13CPUTYPE = ev4
14. elif ${MACHINE_ARCH} == "ia64"
15_CPUCFLAGS =
16CPUTYPE = itanium
17. elif ${MACHINE_ARCH} == "sparc64"
18_CPUCFLAGS =
19CPUTYPE = ultrasparc
20. endif
21.else
22
23# Handle aliases (not documented in make.conf to avoid user confusion
24# between e.g. i586 and pentium)
25
26. if ${MACHINE_ARCH} == "i386"
27.  if ${CPUTYPE} == "pentiumpro"
28CPUTYPE = i686
29.  elif ${CPUTYPE} == "pentium"
30CPUTYPE = i586
31.  elif ${CPUTYPE} == "k7"
32CPUTYPE = athlon
33.  endif
34. endif
35
36# Logic to set up correct gcc optimization flag.  This must be included
37# after /etc/make.conf so it can react to the local value of CPUTYPE
38# defined therein.  Consult:
39#	http://gcc.gnu.org/onlinedocs/gcc/i386-and-x86-64-Options.html
40#	http://gcc.gnu.org/onlinedocs/gcc/DEC-Alpha-Options.html
41#	http://gcc.gnu.org/onlinedocs/gcc/SPARC-Options.html
42#	http://gcc.gnu.org/onlinedocs/gcc/RS-6000-and-PowerPC-Options.html
43
44. if ${MACHINE_ARCH} == "i386"
45.  if ${CPUTYPE} == "athlon-mp"
46_CPUCFLAGS = -march=athlon-mp
47.  elif ${CPUTYPE} == "athlon-xp"
48_CPUCFLAGS = -march=athlon-xp
49.  elif ${CPUTYPE} == "athlon-4"
50_CPUCFLAGS = -march=athlon-4
51.  elif ${CPUTYPE} == "athlon-tbird"
52_CPUCFLAGS = -march=athlon-tbird
53.  elif ${CPUTYPE} == "athlon"
54_CPUCFLAGS = -march=athlon
55.  elif ${CPUTYPE} == "k6-3"
56_CPUCFLAGS = -march=k6-3
57.  elif ${CPUTYPE} == "k6-2"
58_CPUCFLAGS = -march=k6-2
59.  elif ${CPUTYPE} == "k6"
60_CPUCFLAGS = -march=k6
61.  elif ${CPUTYPE} == "k5"
62_CPUCFLAGS = -march=pentium
63.  elif ${CPUTYPE} == "p4"
64_CPUCFLAGS = -march=pentium4
65.  elif ${CPUTYPE} == "p3"
66_CPUCFLAGS = -march=pentium3
67.  elif ${CPUTYPE} == "p2"
68_CPUCFLAGS = -march=pentium2
69.  elif ${CPUTYPE} == "i686"
70_CPUCFLAGS = -march=pentiumpro
71.  elif ${CPUTYPE} == "i586/mmx"
72_CPUCFLAGS = -march=pentium-mmx
73.  elif ${CPUTYPE} == "i586"
74_CPUCFLAGS = -march=pentium
75.  elif ${CPUTYPE} == "i486"
76_CPUCFLAGS = -march=i486
77.  endif
78. elif ${MACHINE_ARCH} == "alpha"
79.  if ${CPUTYPE} == "ev6"
80_CPUCFLAGS = -mcpu=ev6
81.  elif ${CPUTYPE} == "pca56"
82_CPUCFLAGS = -mcpu=pca56
83.  elif ${CPUTYPE} == "ev56"
84_CPUCFLAGS = -mcpu=ev56
85.  elif ${CPUTYPE} == "ev5"
86_CPUCFLAGS = -mcpu=ev5
87.  elif ${CPUTYPE} == "ev45"
88_CPUCFLAGS = -mcpu=ev4		# No -mcpu=ev45 for gcc
89.  elif ${CPUTYPE} == "ev4"
90_CPUCFLAGS = -mcpu=ev4
91.  endif
92. endif
93.endif
94
95# NB: COPTFLAGS is handled in /usr/src/sys/conf/Makefile.<arch>
96
97.if !defined(NO_CPU_CFLAGS)
98CFLAGS += ${_CPUCFLAGS}
99.endif
100
101# Set up the list of CPU features based on the CPU type.  This is an
102# unordered list to make it easy for client makefiles to test for the
103# presence of a CPU feature.
104
105.if ${MACHINE_ARCH} == "i386"
106. if ${CPUTYPE} == "athlon-mp"
107MACHINE_CPU = sse k7 3dnow mmx k6 k5 i586 i486 i386
108. elif ${CPUTYPE} == "athlon-xp"
109MACHINE_CPU = sse k7 3dnow mmx k6 k5 i586 i486 i386
110. elif ${CPUTYPE} == "athlon-4"
111MACHINE_CPU = sse k7 3dnow mmx k6 k5 i586 i486 i386
112. elif ${CPUTYPE} == "athlon-tbird"
113MACHINE_CPU = k7 3dnow mmx k6 k5 i586 i486 i386
114. elif ${CPUTYPE} == "athlon"
115MACHINE_CPU = k7 3dnow mmx k6 k5 i586 i486 i386
116. elif ${CPUTYPE} == "k6-3"
117MACHINE_CPU = 3dnow mmx k6 k5 i586 i486 i386
118. elif ${CPUTYPE} == "k6-2"
119MACHINE_CPU = 3dnow mmx k6 k5 i586 i486 i386
120. elif ${CPUTYPE} == "k6"
121MACHINE_CPU = mmx k6 k5 i586 i486 i386
122. elif ${CPUTYPE} == "k5"
123MACHINE_CPU = k5 i586 i486 i386
124. elif ${CPUTYPE} == "p4"
125MACHINE_CPU = sse2 sse i686 mmx i586 i486 i386
126. elif ${CPUTYPE} == "p3"
127MACHINE_CPU = sse i686 mmx i586 i486 i386
128. elif ${CPUTYPE} == "p2"
129MACHINE_CPU = i686 mmx i586 i486 i386
130. elif ${CPUTYPE} == "i686"
131MACHINE_CPU = i686 i586 i486 i386
132. elif ${CPUTYPE} == "i586/mmx"
133MACHINE_CPU = mmx i586 i486 i386
134. elif ${CPUTYPE} == "i586"
135MACHINE_CPU = i586 i486 i386
136. elif ${CPUTYPE} == "i486"
137MACHINE_CPU = i486 i386
138. elif ${CPUTYPE} == "i386"
139MACHINE_CPU = i386
140. endif
141.elif ${MACHINE_ARCH} == "alpha"
142. if ${CPUTYPE} == "ev6"
143MACHINE_CPU = ev6 ev56 pca56 ev5 ev45 ev4
144. elif ${CPUTYPE} == "pca56"
145MACHINE_CPU = pca56 ev56 ev5 ev45 ev4
146. elif ${CPUTYPE} == "ev56"
147MACHINE_CPU = ev56 ev5 ev45 ev4
148. elif ${CPUTYPE} == "ev5"
149MACHINE_CPU = ev5 ev45 ev4
150. elif ${CPUTYPE} == "ev45"
151MACHINE_CPU = ev45 ev4
152. elif ${CPUTYPE} == "ev4"
153MACHINE_CPU = ev4
154. endif
155.elif ${MACHINE_ARCH} == "ia64"
156. if ${CPUTYPE} == "itanium"
157MACHINE_CPU = itanium
158. endif
159.endif
160