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 = 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/DEC-Alpha-Options.html 41# http://gcc.gnu.org/onlinedocs/gcc/IA-64-Options.html 42# http://gcc.gnu.org/onlinedocs/gcc/RS-6000-and-PowerPC-Options.html 43# http://gcc.gnu.org/onlinedocs/gcc/SPARC-Options.html 44# http://gcc.gnu.org/onlinedocs/gcc/i386-and-x86-64-Options.html 45 46. if ${MACHINE_ARCH} == "i386" 47. if ${CPUTYPE} == "crusoe" 48_ICC_CPUCFLAGS = -tpp6 -xiM 49_CPUCFLAGS = -march=i686 -falign-functions=0 -falign-jumps=0 -falign-loops=0 50. elif ${CPUTYPE} == "athlon-mp" || ${CPUTYPE} == "athlon-xp" || \ 51 ${CPUTYPE} == "athlon-4" 52_ICC_CPUCFLAGS = -tpp6 -xiMK 53_CPUCFLAGS = -march=${CPUTYPE} 54. elif ${CPUTYPE} == "athlon-tbird" || ${CPUTYPE} == "athlon" 55_CPUCFLAGS = -march=${CPUTYPE} 56_ICC_CPUCFLAGS = -tpp6 -xiM 57. elif ${CPUTYPE} == "k6-3" || ${CPUTYPE} == "k6-2" || ${CPUTYPE} == "k6" 58_CPUCFLAGS = -march=${CPUTYPE} 59_ICC_CPUCFLAGS = -tpp6 -xi 60. elif ${CPUTYPE} == "k5" 61_ICC_CPUCFLAGS = -tpp5 62_CPUCFLAGS = -march=pentium 63. elif ${CPUTYPE} == "p4" 64_ICC_CPUCFLAGS = -tpp7 -xiMKW 65_CPUCFLAGS = -march=pentium4 66. elif ${CPUTYPE} == "p3" 67_ICC_CPUCFLAGS = -tpp6 -xiMK 68_CPUCFLAGS = -march=pentium3 69. elif ${CPUTYPE} == "p2" 70_ICC_CPUCFLAGS = -tpp6 -xiM 71_CPUCFLAGS = -march=pentium2 72. elif ${CPUTYPE} == "i686" 73_ICC_CPUCFLAGS = -tpp6 -xiM 74_CPUCFLAGS = -march=pentiumpro 75. elif ${CPUTYPE} == "i586/mmx" 76_ICC_CPUCFLAGS = -tpp5 -xM 77_CPUCFLAGS = -march=pentium-mmx 78. elif ${CPUTYPE} == "i586" 79_ICC_CPUCFLAGS = -tpp5 80_CPUCFLAGS = -march=pentium 81. elif ${CPUTYPE} == "i486" 82_ICC_CPUCFLAGS = 83_CPUCFLAGS = -march=i486 84. endif 85. elif ${MACHINE_ARCH} == "alpha" 86. if ${CPUTYPE} == "ev67" 87_CPUCFLAGS = -mcpu=ev67 88. elif ${CPUTYPE} == "ev6" 89_CPUCFLAGS = -mcpu=ev6 90. elif ${CPUTYPE} == "pca56" 91_CPUCFLAGS = -mcpu=pca56 92. elif ${CPUTYPE} == "ev56" 93_CPUCFLAGS = -mcpu=ev56 94. elif ${CPUTYPE} == "ev5" 95_CPUCFLAGS = -mcpu=ev5 96. elif ${CPUTYPE} == "ev45" 97_CPUCFLAGS = -mcpu=ev45 98. elif ${CPUTYPE} == "ev4" 99_CPUCFLAGS = -mcpu=ev4 100. endif 101. endif 102 103# Set up the list of CPU features based on the CPU type. This is an 104# unordered list to make it easy for client makefiles to test for the 105# presence of a CPU feature. 106 107. if ${MACHINE_ARCH} == "i386" 108. if ${CPUTYPE} == "athlon-mp" || ${CPUTYPE} == "athlon-xp" || \ 109 ${CPUTYPE} == "athlon-4" 110MACHINE_CPU = athlon-xp k7 3dnow sse mmx k6 k5 i586 i486 i386 111. elif ${CPUTYPE} == "athlon" || ${CPUTYPE} == "athlon-tbird" 112MACHINE_CPU = athlon k7 3dnow mmx k6 k5 i586 i486 i386 113. elif ${CPUTYPE} == "k6-3" || ${CPUTYPE} == "k6-2" 114MACHINE_CPU = 3dnow mmx k6 k5 i586 i486 i386 115. elif ${CPUTYPE} == "k6" 116MACHINE_CPU = mmx k6 k5 i586 i486 i386 117. elif ${CPUTYPE} == "k5" 118MACHINE_CPU = k5 i586 i486 i386 119. elif ${CPUTYPE} == "p4" 120MACHINE_CPU = sse2 sse i686 mmx i586 i486 i386 121. elif ${CPUTYPE} == "p3" 122MACHINE_CPU = sse i686 mmx i586 i486 i386 123. elif ${CPUTYPE} == "p2" 124MACHINE_CPU = i686 mmx i586 i486 i386 125. elif ${CPUTYPE} == "i686" 126MACHINE_CPU = i686 i586 i486 i386 127. elif ${CPUTYPE} == "i586/mmx" 128MACHINE_CPU = mmx i586 i486 i386 129. elif ${CPUTYPE} == "i586" 130MACHINE_CPU = i586 i486 i386 131. elif ${CPUTYPE} == "i486" 132MACHINE_CPU = i486 i386 133. elif ${CPUTYPE} == "i386" 134MACHINE_CPU = i386 135. endif 136. elif ${MACHINE_ARCH} == "alpha" 137. if ${CPUTYPE} == "ev6" 138MACHINE_CPU = ev6 ev56 pca56 ev5 ev45 ev4 139. elif ${CPUTYPE} == "pca56" 140MACHINE_CPU = pca56 ev56 ev5 ev45 ev4 141. elif ${CPUTYPE} == "ev56" 142MACHINE_CPU = ev56 ev5 ev45 ev4 143. elif ${CPUTYPE} == "ev5" 144MACHINE_CPU = ev5 ev45 ev4 145. elif ${CPUTYPE} == "ev45" 146MACHINE_CPU = ev45 ev4 147. elif ${CPUTYPE} == "ev4" 148MACHINE_CPU = ev4 149. endif 150. elif ${MACHINE_ARCH} == "amd64" 151MACHINE_CPU = amd64 sse2 sse 152. elif ${MACHINE_ARCH} == "ia64" 153. if ${CPUTYPE} == "itanium" 154MACHINE_CPU = itanium 155. endif 156. endif 157.endif 158 159.if ${MACHINE_ARCH} == "alpha" 160_CPUCFLAGS += -mieee 161.endif 162 163# NB: COPTFLAGS is handled in /usr/src/sys/conf/kern.pre.mk 164 165.if !defined(NO_CPU_CFLAGS) 166. if ${CC} == "icc" 167CFLAGS += ${_ICC_CPUCFLAGS} 168. else 169CFLAGS += ${_CPUCFLAGS} 170. endif 171.endif 172