bsd.cpu.mk revision 163513
1# $FreeBSD: head/share/mk/bsd.cpu.mk 163513 2006-10-19 22:51:26Z cognet $ 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_CPUCFLAGS = 9. if ${MACHINE_ARCH} == "i386" 10MACHINE_CPU = i486 11. elif ${MACHINE_ARCH} == "amd64" 12MACHINE_CPU = amd64 sse2 sse 13. elif ${MACHINE_ARCH} == "ia64" 14MACHINE_CPU = itanium 15. elif ${MACHINE_ARCH} == "sparc64" 16. elif ${MACHINE_ARCH} == "arm" 17MACHINE_CPU = arm 18. endif 19.else 20 21# Handle aliases (not documented in make.conf to avoid user confusion 22# between e.g. i586 and pentium) 23 24. if ${MACHINE_ARCH} == "i386" 25. if ${CPUTYPE} == "nocona" 26CPUTYPE = prescott 27. elif ${CPUTYPE} == "p4" 28CPUTYPE = pentium4 29. elif ${CPUTYPE} == "p4m" 30CPUTYPE = pentium4m 31. elif ${CPUTYPE} == "p3" 32CPUTYPE = pentium3 33. elif ${CPUTYPE} == "p3m" 34CPUTYPE = pentium3m 35. elif ${CPUTYPE} == "p-m" 36CPUTYPE = pentium-m 37. elif ${CPUTYPE} == "p2" 38CPUTYPE = pentium2 39. elif ${CPUTYPE} == "i686" 40CPUTYPE = pentiumpro 41. elif ${CPUTYPE} == "i586/mmx" 42CPUTYPE = pentium-mmx 43. elif ${CPUTYPE} == "i586" 44CPUTYPE = pentium 45. elif ${CPUTYPE} == "opteron" || ${CPUTYPE} == "athlon64" || \ 46 ${CPUTYPE} == "k8" 47CPUTYPE = athlon-mp 48. elif ${CPUTYPE} == "k7" 49CPUTYPE = athlon 50. endif 51. elif ${MACHINE_ARCH} == "amd64" 52. if ${CPUTYPE} == "prescott" 53CPUTYPE = nocona 54. endif 55. endif 56 57############################################################################### 58# Logic to set up correct gcc optimization flag. This must be included 59# after /etc/make.conf so it can react to the local value of CPUTYPE 60# defined therein. Consult: 61# http://gcc.gnu.org/onlinedocs/gcc/ARM-Options.html 62# http://gcc.gnu.org/onlinedocs/gcc/IA-64-Options.html 63# http://gcc.gnu.org/onlinedocs/gcc/RS-6000-and-PowerPC-Options.html 64# http://gcc.gnu.org/onlinedocs/gcc/SPARC-Options.html 65# http://gcc.gnu.org/onlinedocs/gcc/i386-and-x86-64-Options.html 66 67. if ${MACHINE_ARCH} == "i386" 68. if ${CPUTYPE} == "crusoe" 69_CPUCFLAGS = -march=i686 -falign-functions=0 -falign-jumps=0 -falign-loops=0 70. elif ${CPUTYPE} == "k5" 71_CPUCFLAGS = -march=pentium 72. else 73_CPUCFLAGS = -march=${CPUTYPE} 74. endif # GCC on 'i386' 75. if ${CPUTYPE} == "crusoe" 76_ICC_CPUCFLAGS = -tpp6 -xiM 77. elif ${CPUTYPE} == "athlon-mp" || ${CPUTYPE} == "athlon-xp" || \ 78 ${CPUTYPE} == "athlon-4" 79_ICC_CPUCFLAGS = -tpp6 -xiMK 80. elif ${CPUTYPE} == "athlon-tbird" || ${CPUTYPE} == "athlon" 81_ICC_CPUCFLAGS = -tpp6 -xiM 82. elif ${CPUTYPE} == "k6-3" || ${CPUTYPE} == "k6-2" || ${CPUTYPE} == "k6" 83_ICC_CPUCFLAGS = -tpp6 -xi 84. elif ${CPUTYPE} == "k5" 85_ICC_CPUCFLAGS = -tpp5 86. elif ${CPUTYPE} == "pentium4" || ${CPUTYPE} == "pentium4m" 87_ICC_CPUCFLAGS = -tpp7 -xiMKW 88. elif ${CPUTYPE} == "pentium3" || ${CPUTYPE} == "pentium3m" || \ 89 ${CPUTYPE} == "pentium-m" 90_ICC_CPUCFLAGS = -tpp6 -xiMK 91. elif ${CPUTYPE} == "pentium2" || ${CPUTYPE} == "pentiumpro" 92_ICC_CPUCFLAGS = -tpp6 -xiM 93. elif ${CPUTYPE} == "pentium-mmx" 94_ICC_CPUCFLAGS = -tpp5 -xM 95. elif ${CPUTYPE} == "pentium" 96_ICC_CPUCFLAGS = -tpp5 97. else 98_ICC_CPUCFLAGS = 99. endif # ICC on 'i386' 100. elif ${MACHINE_ARCH} == "amd64" 101_CPUCFLAGS = -march=${CPUTYPE} 102. elif ${MACHINE_ARCH} == "arm" 103. if ${CPUTYPE} == "xscale" 104#XXX: gcc doesn't seem to like -mcpu=xscale, and dies while rebuilding itself 105#_CPUCFLAGS = -mcpu=xscale 106_CPUCFLAGS = -march=armv5te -D__XSCALE__ 107. else 108_CPUCFLAGS = -mcpu=${CPUTYPE} 109. endif 110. endif 111 112# Set up the list of CPU features based on the CPU type. This is an 113# unordered list to make it easy for client makefiles to test for the 114# presence of a CPU feature. 115 116. if ${MACHINE_ARCH} == "i386" 117. if ${CPUTYPE} == "opteron" || ${CPUTYPE} == "athlon64" 118MACHINE_CPU = athlon-xp athlon k7 3dnow sse2 sse mmx k6 k5 i586 i486 i386 119. elif ${CPUTYPE} == "athlon-mp" || ${CPUTYPE} == "athlon-xp" || \ 120 ${CPUTYPE} == "athlon-4" 121MACHINE_CPU = athlon-xp athlon k7 3dnow sse mmx k6 k5 i586 i486 i386 122. elif ${CPUTYPE} == "athlon" || ${CPUTYPE} == "athlon-tbird" 123MACHINE_CPU = athlon k7 3dnow mmx k6 k5 i586 i486 i386 124. elif ${CPUTYPE} == "k6-3" || ${CPUTYPE} == "k6-2" 125MACHINE_CPU = 3dnow mmx k6 k5 i586 i486 i386 126. elif ${CPUTYPE} == "k6" 127MACHINE_CPU = mmx k6 k5 i586 i486 i386 128. elif ${CPUTYPE} == "k5" 129MACHINE_CPU = k5 i586 i486 i386 130. elif ${CPUTYPE} == "c3" 131MACHINE_CPU = 3dnow mmx i586 i486 i386 132. elif ${CPUTYPE} == "c3-2" 133MACHINE_CPU = sse mmx i586 i486 i386 134. elif ${CPUTYPE} == "pentium4" || ${CPUTYPE} == "pentium4m" || ${CPUTYPE} == "pentium-m" 135MACHINE_CPU = sse2 sse i686 mmx i586 i486 i386 136. elif ${CPUTYPE} == "pentium3" || ${CPUTYPE} == "pentium3m" 137MACHINE_CPU = sse i686 mmx i586 i486 i386 138. elif ${CPUTYPE} == "pentium2" 139MACHINE_CPU = i686 mmx i586 i486 i386 140. elif ${CPUTYPE} == "pentiumpro" 141MACHINE_CPU = i686 i586 i486 i386 142. elif ${CPUTYPE} == "pentium-mmx" 143MACHINE_CPU = mmx i586 i486 i386 144. elif ${CPUTYPE} == "pentium" 145MACHINE_CPU = i586 i486 i386 146. elif ${CPUTYPE} == "i486" 147MACHINE_CPU = i486 i386 148. elif ${CPUTYPE} == "i386" 149MACHINE_CPU = i386 150. endif 151. elif ${MACHINE_ARCH} == "amd64" 152. if ${CPUTYPE} == "opteron" || ${CPUTYPE} == "athlon64" || ${CPUTYPE} == "k8" 153MACHINE_CPU = k8 3dnow 154. elif ${CPUTYPE} == "nocona" 155MACHINE_CPU = sse3 156. endif 157MACHINE_CPU += amd64 sse2 sse mmx 158. elif ${MACHINE_ARCH} == "ia64" 159. if ${CPUTYPE} == "itanium" 160MACHINE_CPU = itanium 161. endif 162. endif 163.endif 164 165.if ${MACHINE_ARCH} == "arm" && defined(TARGET_BIG_ENDIAN) 166CFLAGS += -mbig-endian 167LDFLAGS += -mbig-endian 168LD += -EB 169.endif 170 171# NB: COPTFLAGS is handled in /usr/src/sys/conf/kern.pre.mk 172 173.if !defined(NO_CPU_CFLAGS) 174. if ${CC} == "icc" 175CFLAGS += ${_ICC_CPUCFLAGS} 176. else 177CFLAGS += ${_CPUCFLAGS} 178. endif 179.endif 180