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_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} == "core" || ${CPUTYPE} == "core2" 28CPUTYPE = prescott 29. elif ${CPUTYPE} == "p4" 30CPUTYPE = pentium4 31. elif ${CPUTYPE} == "p4m" 32CPUTYPE = pentium4m 33. elif ${CPUTYPE} == "p3" 34CPUTYPE = pentium3 35. elif ${CPUTYPE} == "p3m" 36CPUTYPE = pentium3m 37. elif ${CPUTYPE} == "p-m" 38CPUTYPE = pentium-m 39. elif ${CPUTYPE} == "p2" 40CPUTYPE = pentium2 41. elif ${CPUTYPE} == "i686" 42CPUTYPE = pentiumpro 43. elif ${CPUTYPE} == "i586/mmx" 44CPUTYPE = pentium-mmx 45. elif ${CPUTYPE} == "i586" 46CPUTYPE = pentium 47. elif ${CPUTYPE} == "opteron" || ${CPUTYPE} == "athlon64" || \ 48 ${CPUTYPE} == "k8" 49CPUTYPE = athlon-mp 50. elif ${CPUTYPE} == "k7" 51CPUTYPE = athlon 52. endif 53. elif ${MACHINE_ARCH} == "amd64" 54. if ${CPUTYPE} == "prescott" || ${CPUTYPE} == "core2" 55CPUTYPE = nocona 56. endif 57. endif 58 59############################################################################### 60# Logic to set up correct gcc optimization flag. This must be included 61# after /etc/make.conf so it can react to the local value of CPUTYPE 62# defined therein. Consult: 63# http://gcc.gnu.org/onlinedocs/gcc/ARM-Options.html 64# http://gcc.gnu.org/onlinedocs/gcc/IA-64-Options.html 65# http://gcc.gnu.org/onlinedocs/gcc/RS-6000-and-PowerPC-Options.html 66# http://gcc.gnu.org/onlinedocs/gcc/SPARC-Options.html 67# http://gcc.gnu.org/onlinedocs/gcc/i386-and-x86-64-Options.html 68 69. if ${MACHINE_ARCH} == "i386" 70. if ${CPUTYPE} == "crusoe" 71_CPUCFLAGS = -march=i686 -falign-functions=0 -falign-jumps=0 -falign-loops=0 72. elif ${CPUTYPE} == "k5" 73_CPUCFLAGS = -march=pentium 74. else 75_CPUCFLAGS = -march=${CPUTYPE} 76. endif # GCC on 'i386' 77. if ${CPUTYPE} == "crusoe" 78_ICC_CPUCFLAGS = -tpp6 -xiM 79. elif ${CPUTYPE} == "athlon-mp" || ${CPUTYPE} == "athlon-xp" || \ 80 ${CPUTYPE} == "athlon-4" 81_ICC_CPUCFLAGS = -tpp6 -xiMK 82. elif ${CPUTYPE} == "athlon-tbird" || ${CPUTYPE} == "athlon" 83_ICC_CPUCFLAGS = -tpp6 -xiM 84. elif ${CPUTYPE} == "k6-3" || ${CPUTYPE} == "k6-2" || ${CPUTYPE} == "k6" 85_ICC_CPUCFLAGS = -tpp6 -xi 86. elif ${CPUTYPE} == "k5" 87_ICC_CPUCFLAGS = -tpp5 88. elif ${CPUTYPE} == "pentium4" || ${CPUTYPE} == "pentium4m" 89_ICC_CPUCFLAGS = -tpp7 -xiMKW 90. elif ${CPUTYPE} == "pentium3" || ${CPUTYPE} == "pentium3m" || \ 91 ${CPUTYPE} == "pentium-m" 92_ICC_CPUCFLAGS = -tpp6 -xiMK 93. elif ${CPUTYPE} == "pentium2" || ${CPUTYPE} == "pentiumpro" 94_ICC_CPUCFLAGS = -tpp6 -xiM 95. elif ${CPUTYPE} == "pentium-mmx" 96_ICC_CPUCFLAGS = -tpp5 -xM 97. elif ${CPUTYPE} == "pentium" 98_ICC_CPUCFLAGS = -tpp5 99. else 100_ICC_CPUCFLAGS = 101. endif # ICC on 'i386' 102. elif ${MACHINE_ARCH} == "amd64" 103_CPUCFLAGS = -march=${CPUTYPE} 104. elif ${MACHINE_ARCH} == "arm" 105. if ${CPUTYPE} == "xscale" 106#XXX: gcc doesn't seem to like -mcpu=xscale, and dies while rebuilding itself 107#_CPUCFLAGS = -mcpu=xscale 108_CPUCFLAGS = -march=armv5te -D__XSCALE__ 109. else 110_CPUCFLAGS = -mcpu=${CPUTYPE} 111. endif 112. endif 113 114# Set up the list of CPU features based on the CPU type. This is an 115# unordered list to make it easy for client makefiles to test for the 116# presence of a CPU feature. 117 118. if ${MACHINE_ARCH} == "i386" 119. if ${CPUTYPE} == "opteron" || ${CPUTYPE} == "athlon64" 120MACHINE_CPU = athlon-xp athlon k7 3dnow sse2 sse mmx k6 k5 i586 i486 i386 121. elif ${CPUTYPE} == "athlon-mp" || ${CPUTYPE} == "athlon-xp" || \ 122 ${CPUTYPE} == "athlon-4" 123MACHINE_CPU = athlon-xp athlon k7 3dnow sse mmx k6 k5 i586 i486 i386 124. elif ${CPUTYPE} == "athlon" || ${CPUTYPE} == "athlon-tbird" 125MACHINE_CPU = athlon k7 3dnow mmx k6 k5 i586 i486 i386 126. elif ${CPUTYPE} == "k6-3" || ${CPUTYPE} == "k6-2" 127MACHINE_CPU = 3dnow mmx k6 k5 i586 i486 i386 128. elif ${CPUTYPE} == "k6" 129MACHINE_CPU = mmx k6 k5 i586 i486 i386 130. elif ${CPUTYPE} == "k5" 131MACHINE_CPU = k5 i586 i486 i386 132. elif ${CPUTYPE} == "c3" 133MACHINE_CPU = 3dnow mmx i586 i486 i386 134. elif ${CPUTYPE} == "c3-2" 135MACHINE_CPU = sse mmx i586 i486 i386 136. elif ${CPUTYPE} == "prescott" 137MACHINE_CPU = sse3 sse2 sse i686 mmx i586 i486 i386 138. elif ${CPUTYPE} == "pentium4" || ${CPUTYPE} == "pentium4m" || ${CPUTYPE} == "pentium-m" 139MACHINE_CPU = sse2 sse i686 mmx i586 i486 i386 140. elif ${CPUTYPE} == "pentium3" || ${CPUTYPE} == "pentium3m" 141MACHINE_CPU = sse i686 mmx i586 i486 i386 142. elif ${CPUTYPE} == "pentium2" 143MACHINE_CPU = i686 mmx i586 i486 i386 144. elif ${CPUTYPE} == "pentiumpro" 145MACHINE_CPU = i686 i586 i486 i386 146. elif ${CPUTYPE} == "pentium-mmx" 147MACHINE_CPU = mmx i586 i486 i386 148. elif ${CPUTYPE} == "pentium" 149MACHINE_CPU = i586 i486 i386 150. elif ${CPUTYPE} == "i486" 151MACHINE_CPU = i486 i386 152. elif ${CPUTYPE} == "i386" 153MACHINE_CPU = i386 154. endif 155. elif ${MACHINE_ARCH} == "amd64" 156. if ${CPUTYPE} == "opteron" || ${CPUTYPE} == "athlon64" || ${CPUTYPE} == "k8" 157MACHINE_CPU = k8 3dnow 158. elif ${CPUTYPE} == "nocona" 159MACHINE_CPU = sse3 160. endif 161MACHINE_CPU += amd64 sse2 sse mmx 162. elif ${MACHINE_ARCH} == "ia64" 163. if ${CPUTYPE} == "itanium" 164MACHINE_CPU = itanium 165. endif 166. endif 167.endif 168 169.if ${MACHINE_ARCH} == "arm" && defined(TARGET_BIG_ENDIAN) 170CFLAGS += -mbig-endian 171LDFLAGS += -mbig-endian 172LD += -EB 173.endif 174 175# NB: COPTFLAGS is handled in /usr/src/sys/conf/kern.pre.mk 176 177.if !defined(NO_CPU_CFLAGS) 178. if ${CC} == "icc" 179CFLAGS += ${_ICC_CPUCFLAGS} 180. else 181CFLAGS += ${_CPUCFLAGS} 182. endif 183.endif 184