1# $FreeBSD$ 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} == "athlon" 32CPUTYPE = k7 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} == "k7" 46_CPUCFLAGS = -march=athlon 47. elif ${CPUTYPE} == "k6-2" 48_CPUCFLAGS = -march=k6 49. elif ${CPUTYPE} == "k6" 50_CPUCFLAGS = -march=k6 51. elif ${CPUTYPE} == "k5" 52_CPUCFLAGS = -march=pentium 53. elif ${CPUTYPE} == "p4" 54_CPUCFLAGS = -march=pentiumpro 55. elif ${CPUTYPE} == "p3" 56_CPUCFLAGS = -march=pentiumpro 57. elif ${CPUTYPE} == "p2" 58_CPUCFLAGS = -march=pentiumpro 59. elif ${CPUTYPE} == "i686" 60_CPUCFLAGS = -march=pentiumpro 61. elif ${CPUTYPE} == "i586/mmx" 62_CPUCFLAGS = -march=pentium-mmx 63. elif ${CPUTYPE} == "i586" 64_CPUCFLAGS = -march=pentium 65. elif ${CPUTYPE} == "i486" 66_CPUCFLAGS = -march=i486 67. endif 68. elif ${MACHINE_ARCH} == "alpha" 69. if ${CPUTYPE} == "ev6" 70_CPUCFLAGS = -mcpu=ev6 71. elif ${CPUTYPE} == "pca56" 72_CPUCFLAGS = -mcpu=pca56 73. elif ${CPUTYPE} == "ev56" 74_CPUCFLAGS = -mcpu=ev56 75. elif ${CPUTYPE} == "ev5" 76_CPUCFLAGS = -mcpu=ev5 77. elif ${CPUTYPE} == "ev45" 78_CPUCFLAGS = -mcpu=ev4 # No -mcpu=ev45 for gcc 79. elif ${CPUTYPE} == "ev4" 80_CPUCFLAGS = -mcpu=ev4 81. endif 82. endif 83.endif 84 85# NB: COPTFLAGS is handled in /usr/src/sys/conf/Makefile.<arch> 86 87.if !defined(NO_CPU_CFLAGS) 88CFLAGS += ${_CPUCFLAGS} 89.endif 90 91# Set up the list of CPU features based on the CPU type. This is an 92# unordered list to make it easy for client makefiles to test for the 93# presence of a CPU feature. 94 95.if ${MACHINE_ARCH} == "i386" 96. if ${CPUTYPE} == "k7" 97MACHINE_CPU = k7 3dnow mmx k6 k5 i586 i486 i386 98. elif ${CPUTYPE} == "k6-2" 99MACHINE_CPU = 3dnow mmx k6 k5 i586 i486 i386 100. elif ${CPUTYPE} == "k6" 101MACHINE_CPU = mmx k6 k5 i586 i486 i386 102. elif ${CPUTYPE} == "k5" 103MACHINE_CPU = k5 i586 i486 i386 104. elif ${CPUTYPE} == "p4" 105MACHINE_CPU = sse i686 mmx i586 i486 i386 106. elif ${CPUTYPE} == "p3" 107MACHINE_CPU = sse i686 mmx i586 i486 i386 108. elif ${CPUTYPE} == "p2" 109MACHINE_CPU = i686 mmx i586 i486 i386 110. elif ${CPUTYPE} == "i686" 111MACHINE_CPU = i686 i586 i486 i386 112. elif ${CPUTYPE} == "i586/mmx" 113MACHINE_CPU = mmx i586 i486 i386 114. elif ${CPUTYPE} == "i586" 115MACHINE_CPU = i586 i486 i386 116. elif ${CPUTYPE} == "i486" 117MACHINE_CPU = i486 i386 118. elif ${CPUTYPE} == "i386" 119MACHINE_CPU = i386 120. endif 121.elif ${MACHINE_ARCH} == "alpha" 122. if ${CPUTYPE} == "ev6" 123MACHINE_CPU = ev6 ev56 pca56 ev5 ev45 ev4 124. elif ${CPUTYPE} == "pca56" 125MACHINE_CPU = pca56 ev56 ev5 ev45 ev4 126. elif ${CPUTYPE} == "ev56" 127MACHINE_CPU = ev56 ev5 ev45 ev4 128. elif ${CPUTYPE} == "ev5" 129MACHINE_CPU = ev5 ev45 ev4 130. elif ${CPUTYPE} == "ev45" 131MACHINE_CPU = ev45 ev4 132. elif ${CPUTYPE} == "ev4" 133MACHINE_CPU = ev4 134. endif 135.elif ${MACHINE_ARCH} == "ia64" 136. if ${CPUTYPE} == "itanium" 137MACHINE_CPU = itanium 138. endif 139.endif 140