bsd.cpu.mk revision 112769
1# $FreeBSD: head/share/mk/bsd.cpu.mk 112769 2003-03-29 03:14:24Z 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. if ${MACHINE_ARCH} == "i386" 9_CPUCFLAGS = -mcpu=pentiumpro 10MACHINE_CPU = i386 11. elif ${MACHINE_ARCH} == "alpha" 12_CPUCFLAGS = -mcpu=ev4 -mtune=ev5 13MACHINE_CPU = ev4 14.elif ${MACHINE_ARCH} == "x86-64" || ${MACHINE_ARCH} == "x86_64" 15MACHINE_CPU = x86-64 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" || ${CPUTYPE} == "athlon-4" || ${CPUTYPE} == "athlon" 47_CPUCFLAGS = -march=${CPUTYPE} 48. elif ${CPUTYPE} == "k6-3" || ${CPUTYPE} == "k6-2" || ${CPUTYPE} == "k6" 49_CPUCFLAGS = -march=${CPUTYPE} 50. elif ${CPUTYPE} == "k5" 51_CPUCFLAGS = -march=pentium 52. elif ${CPUTYPE} == "p4" 53_CPUCFLAGS = -march=pentium4 54. elif ${CPUTYPE} == "p3" 55_CPUCFLAGS = -march=pentium3 56. elif ${CPUTYPE} == "p2" 57_CPUCFLAGS = -march=pentium2 58. elif ${CPUTYPE} == "i686" 59_CPUCFLAGS = -march=pentiumpro 60. elif ${CPUTYPE} == "i586/mmx" 61_CPUCFLAGS = -march=pentium-mmx 62. elif ${CPUTYPE} == "i586" 63_CPUCFLAGS = -march=pentium 64. elif ${CPUTYPE} == "i486" 65_CPUCFLAGS = -march=i486 66. endif 67. elif ${MACHINE_ARCH} == "alpha" 68. if ${CPUTYPE} == "ev67" 69_CPUCFLAGS = -mcpu=ev67 70. elif ${CPUTYPE} == "ev6" 71_CPUCFLAGS = -mcpu=ev6 72. elif ${CPUTYPE} == "pca56" 73_CPUCFLAGS = -mcpu=pca56 74. elif ${CPUTYPE} == "ev56" 75_CPUCFLAGS = -mcpu=ev56 76. elif ${CPUTYPE} == "ev5" 77_CPUCFLAGS = -mcpu=ev5 78. elif ${CPUTYPE} == "ev45" 79_CPUCFLAGS = -mcpu=ev45 80. elif ${CPUTYPE} == "ev4" 81_CPUCFLAGS = -mcpu=ev4 82. endif 83. endif 84 85# Set up the list of CPU features based on the CPU type. This is an 86# unordered list to make it easy for client makefiles to test for the 87# presence of a CPU feature. 88 89.if ${MACHINE_ARCH} == "i386" 90. if ${CPUTYPE} == "athlon-mp" || ${CPUTYPE} == "athlon-xp" || ${CPUTYPE} == "athlon-4" 91MACHINE_CPU = athlon-xp k7 3dnow sse mmx k6 k5 i586 i486 i386 92. elif ${CPUTYPE} == "athlon" || ${CPUTYPE} == "athlon-tbird" 93MACHINE_CPU = athlon k7 3dnow mmx k6 k5 i586 i486 i386 94. elif ${CPUTYPE} == "k6-3" || ${CPUTYPE} == "k6-2" 95MACHINE_CPU = 3dnow mmx k6 k5 i586 i486 i386 96. elif ${CPUTYPE} == "k6" 97MACHINE_CPU = mmx k6 k5 i586 i486 i386 98. elif ${CPUTYPE} == "k5" 99MACHINE_CPU = k5 i586 i486 i386 100. elif ${CPUTYPE} == "p4" 101MACHINE_CPU = sse2 sse i686 mmx i586 i486 i386 102. elif ${CPUTYPE} == "p3" 103MACHINE_CPU = sse i686 mmx i586 i486 i386 104. elif ${CPUTYPE} == "p2" 105MACHINE_CPU = i686 mmx i586 i486 i386 106. elif ${CPUTYPE} == "i686" 107MACHINE_CPU = i686 i586 i486 i386 108. elif ${CPUTYPE} == "i586/mmx" 109MACHINE_CPU = mmx i586 i486 i386 110. elif ${CPUTYPE} == "i586" 111MACHINE_CPU = i586 i486 i386 112. elif ${CPUTYPE} == "i486" 113MACHINE_CPU = i486 i386 114. elif ${CPUTYPE} == "i386" 115MACHINE_CPU = i386 116. endif 117. elif ${MACHINE_ARCH} == "alpha" 118. if ${CPUTYPE} == "ev6" 119MACHINE_CPU = ev6 ev56 pca56 ev5 ev45 ev4 120. elif ${CPUTYPE} == "pca56" 121MACHINE_CPU = pca56 ev56 ev5 ev45 ev4 122. elif ${CPUTYPE} == "ev56" 123MACHINE_CPU = ev56 ev5 ev45 ev4 124. elif ${CPUTYPE} == "ev5" 125MACHINE_CPU = ev5 ev45 ev4 126. elif ${CPUTYPE} == "ev45" 127MACHINE_CPU = ev45 ev4 128. elif ${CPUTYPE} == "ev4" 129MACHINE_CPU = ev4 130. endif 131. elif ${MACHINE_ARCH} == "x86-64" || ${MACHINE_ARCH} == "x86_64" 132MACHINE_CPU = x86-64 sse2 sse 133. elif ${MACHINE_ARCH} == "ia64" 134. if ${CPUTYPE} == "itanium" 135MACHINE_CPU = itanium 136. endif 137. endif 138.endif 139 140.if ${MACHINE_ARCH} == "alpha" 141_CPUCFLAGS += -mieee 142.endif 143 144# NB: COPTFLAGS is handled in /usr/src/sys/conf/Makefile.<arch> 145 146.if !defined(NO_CPU_CFLAGS) 147CFLAGS += ${_CPUCFLAGS} 148.endif 149