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) 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. if defined(BOOTSTRAPPING) 47_CPUCFLAGS = -march=k6 # gcc 2.95.x didn't support athlon 48. else 49_CPUCFLAGS = -march=athlon 50. endif 51. elif ${CPUTYPE} == "k6-2" 52_CPUCFLAGS = -march=k6 53. elif ${CPUTYPE} == "k6" 54_CPUCFLAGS = -march=k6 55. elif ${CPUTYPE} == "k5" 56_CPUCFLAGS = -march=pentium 57. elif ${CPUTYPE} == "p4" 58_CPUCFLAGS = -march=pentiumpro 59. elif ${CPUTYPE} == "p3" 60_CPUCFLAGS = -march=pentiumpro 61. elif ${CPUTYPE} == "p2" 62_CPUCFLAGS = -march=pentiumpro 63. elif ${CPUTYPE} == "i686" 64_CPUCFLAGS = -march=pentiumpro 65. elif ${CPUTYPE} == "i586/mmx" 66_CPUCFLAGS = -march=pentium-mmx 67. elif ${CPUTYPE} == "i586" 68_CPUCFLAGS = -march=pentium 69. elif ${CPUTYPE} == "i486" 70_CPUCFLAGS = -march=i486 71. endif 72. elif ${MACHINE_ARCH} == "alpha" 73. if ${CPUTYPE} == "ev6" 74_CPUCFLAGS = -mcpu=ev6 75. elif ${CPUTYPE} == "pca56" 76_CPUCFLAGS = -mcpu=pca56 77. elif ${CPUTYPE} == "ev56" 78_CPUCFLAGS = -mcpu=ev56 79. elif ${CPUTYPE} == "ev5" 80_CPUCFLAGS = -mcpu=ev5 81. elif ${CPUTYPE} == "ev45" 82_CPUCFLAGS = -mcpu=ev4 # No -mcpu=ev45 for gcc 83. elif ${CPUTYPE} == "ev4" 84_CPUCFLAGS = -mcpu=ev4 85. endif 86. endif 87.endif 88 89# NB: COPTFLAGS is handled in /usr/src/sys/conf/Makefile.<arch> 90 91.if !defined(NO_CPU_CFLAGS) 92CFLAGS += ${_CPUCFLAGS} 93.endif 94 95# Set up the list of CPU features based on the CPU type. This is an 96# unordered list to make it easy for client makefiles to test for the 97# presence of a CPU feature. 98 99.if ${MACHINE_ARCH} == "i386" 100. if ${CPUTYPE} == "k7" 101MACHINE_CPU = k7 3dnow mmx k6 k5 i586 i486 i386 102. elif ${CPUTYPE} == "k6-2" 103MACHINE_CPU = 3dnow mmx k6 k5 i586 i486 i386 104. elif ${CPUTYPE} == "k6" 105MACHINE_CPU = mmx k6 k5 i586 i486 i386 106. elif ${CPUTYPE} == "k5" 107MACHINE_CPU = k5 i586 i486 i386 108. elif ${CPUTYPE} == "p4" 109MACHINE_CPU = sse i686 mmx i586 i486 i386 110. elif ${CPUTYPE} == "p3" 111MACHINE_CPU = sse i686 mmx i586 i486 i386 112. elif ${CPUTYPE} == "p2" 113MACHINE_CPU = i686 mmx i586 i486 i386 114. elif ${CPUTYPE} == "i686" 115MACHINE_CPU = i686 i586 i486 i386 116. elif ${CPUTYPE} == "i586/mmx" 117MACHINE_CPU = mmx i586 i486 i386 118. elif ${CPUTYPE} == "i586" 119MACHINE_CPU = i586 i486 i386 120. elif ${CPUTYPE} == "i486" 121MACHINE_CPU = i486 i386 122. elif ${CPUTYPE} == "i386" 123MACHINE_CPU = i386 124. endif 125.elif ${MACHINE_ARCH} == "alpha" 126. if ${CPUTYPE} == "ev6" 127MACHINE_CPU = ev6 ev56 pca56 ev5 ev45 ev4 128. elif ${CPUTYPE} == "pca56" 129MACHINE_CPU = pca56 ev56 ev5 ev45 ev4 130. elif ${CPUTYPE} == "ev56" 131MACHINE_CPU = ev56 ev5 ev45 ev4 132. elif ${CPUTYPE} == "ev5" 133MACHINE_CPU = ev5 ev45 ev4 134. elif ${CPUTYPE} == "ev45" 135MACHINE_CPU = ev45 ev4 136. elif ${CPUTYPE} == "ev4" 137MACHINE_CPU = ev4 138. endif 139.elif ${MACHINE_ARCH} == "ia64" 140. if ${CPUTYPE} == "itanium" 141MACHINE_CPU = itanium 142. endif 143.endif 144