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_CPUARCH} == "aarch64" 10MACHINE_CPU = arm64 11. elif ${MACHINE_CPUARCH} == "amd64" 12MACHINE_CPU = amd64 sse2 sse mmx 13. elif ${MACHINE_CPUARCH} == "arm" 14MACHINE_CPU = arm 15. elif ${MACHINE_CPUARCH} == "i386" 16MACHINE_CPU = i486 17. elif ${MACHINE_CPUARCH} == "mips" 18MACHINE_CPU = mips 19. elif ${MACHINE_CPUARCH} == "powerpc" 20MACHINE_CPU = aim 21. elif ${MACHINE_CPUARCH} == "sparc64" 22MACHINE_CPU = ultrasparc 23. endif 24.else 25 26# Handle aliases (not documented in make.conf to avoid user confusion 27# between e.g. i586 and pentium) 28 29. if ${MACHINE_CPUARCH} == "amd64" || ${MACHINE_CPUARCH} == "i386" 30. if ${CPUTYPE} == "barcelona" 31CPUTYPE = amdfam10 32. elif ${CPUTYPE} == "core-avx2" 33CPUTYPE = haswell 34. elif ${CPUTYPE} == "core-avx-i" 35CPUTYPE = ivybridge 36. elif ${CPUTYPE} == "corei7-avx" 37CPUTYPE = sandybridge 38. elif ${CPUTYPE} == "corei7" 39CPUTYPE = nehalem 40. elif ${CPUTYPE} == "slm" 41CPUTYPE = silvermont 42. elif ${CPUTYPE} == "atom" 43CPUTYPE = bonnell 44. elif ${CPUTYPE} == "core" 45CPUTYPE = prescott 46. endif 47. if ${MACHINE_CPUARCH} == "amd64" 48. if ${CPUTYPE} == "prescott" 49CPUTYPE = nocona 50. endif 51. else 52. if ${CPUTYPE} == "k7" 53CPUTYPE = athlon 54. elif ${CPUTYPE} == "p4" 55CPUTYPE = pentium4 56. elif ${CPUTYPE} == "p4m" 57CPUTYPE = pentium4m 58. elif ${CPUTYPE} == "p3" 59CPUTYPE = pentium3 60. elif ${CPUTYPE} == "p3m" 61CPUTYPE = pentium3m 62. elif ${CPUTYPE} == "p-m" 63CPUTYPE = pentium-m 64. elif ${CPUTYPE} == "p2" 65CPUTYPE = pentium2 66. elif ${CPUTYPE} == "i686" 67CPUTYPE = pentiumpro 68. elif ${CPUTYPE} == "i586/mmx" 69CPUTYPE = pentium-mmx 70. elif ${CPUTYPE} == "i586" 71CPUTYPE = pentium 72. endif 73. endif 74. elif ${MACHINE_ARCH} == "sparc64" 75. if ${CPUTYPE} == "us" 76CPUTYPE = ultrasparc 77. elif ${CPUTYPE} == "us3" 78CPUTYPE = ultrasparc3 79. endif 80. endif 81 82############################################################################### 83# Logic to set up correct gcc optimization flag. This must be included 84# after /etc/make.conf so it can react to the local value of CPUTYPE 85# defined therein. Consult: 86# http://gcc.gnu.org/onlinedocs/gcc/ARM-Options.html 87# http://gcc.gnu.org/onlinedocs/gcc/RS-6000-and-PowerPC-Options.html 88# http://gcc.gnu.org/onlinedocs/gcc/MIPS-Options.html 89# http://gcc.gnu.org/onlinedocs/gcc/SPARC-Options.html 90# http://gcc.gnu.org/onlinedocs/gcc/i386-and-x86_002d64-Options.html 91 92. if ${MACHINE_CPUARCH} == "i386" 93. if ${CPUTYPE} == "crusoe" 94_CPUCFLAGS = -march=i686 -falign-functions=0 -falign-jumps=0 -falign-loops=0 95. elif ${CPUTYPE} == "k5" 96_CPUCFLAGS = -march=pentium 97. elif ${CPUTYPE} == "c7" 98_CPUCFLAGS = -march=c3-2 99. else 100_CPUCFLAGS = -march=${CPUTYPE} 101. endif 102. elif ${MACHINE_CPUARCH} == "amd64" 103_CPUCFLAGS = -march=${CPUTYPE} 104. elif ${MACHINE_CPUARCH} == "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. elif ${CPUTYPE} == "armv6" 110_CPUCFLAGS = -march=${CPUTYPE} -DARM_ARCH_6=1 111. elif ${CPUTYPE} == "cortexa" 112_CPUCFLAGS = -march=armv7 -DARM_ARCH_6=1 -mfpu=vfp 113. else 114# Common values for FreeBSD 115# arm: 116# arm920t, arm926ej-s, marvell-pj4, fa526, fa626, 117# fa606te, fa626te, fa726te 118# armv6: 119# arm1176jzf-s, generic-armv7-a, cortex-a5, cortex-a7, cortex-a8, 120# cortex-a9, cortex-a12, cortex-a15, cortex-a17, cortex-a53, cortex-a57, 121# cortex-a72, exynos-m1 122_CPUCFLAGS = -mcpu=${CPUTYPE} 123. endif 124. elif ${MACHINE_ARCH} == "powerpc" 125. if ${CPUTYPE} == "e500" 126_CPUCFLAGS = -Wa,-me500 -msoft-float 127. else 128_CPUCFLAGS = -mcpu=${CPUTYPE} -mno-powerpc64 129. endif 130. elif ${MACHINE_ARCH} == "powerpc64" 131_CPUCFLAGS = -mcpu=${CPUTYPE} 132. elif ${MACHINE_CPUARCH} == "mips" 133# mips[1234], mips32, mips64, and all later releases need to have mips 134# preserved (releases later than r2 require external toolchain) 135. if ${CPUTYPE:Mmips32*} != "" || ${CPUTYPE:Mmips64*} != "" || \ 136 ${CPUTYPE:Mmips[1234]} != "" 137_CPUCFLAGS = -march=${CPUTYPE} 138. else 139# Default -march to the CPUTYPE passed in, with mips stripped off so we 140# accept either mips4kc or 4kc, mostly for historical reasons 141# Typical values for cores: 142# 4kc, 24kc, 34kc, 74kc, 1004kc, octeon, octeon+, octeon2, octeon3, 143# sb1, xlp, xlr 144_CPUCFLAGS = -march=${CPUTYPE:S/^mips//} 145. endif 146. elif ${MACHINE_ARCH} == "sparc64" 147. if ${CPUTYPE} == "v9" 148_CPUCFLAGS = -mcpu=v9 149. elif ${CPUTYPE} == "ultrasparc" 150_CPUCFLAGS = -mcpu=ultrasparc 151. elif ${CPUTYPE} == "ultrasparc3" 152_CPUCFLAGS = -mcpu=ultrasparc3 153. endif 154. elif ${MACHINE_CPUARCH} == "aarch64" 155_CPUCFLAGS = -mcpu=${CPUTYPE} 156. endif 157 158# Set up the list of CPU features based on the CPU type. This is an 159# unordered list to make it easy for client makefiles to test for the 160# presence of a CPU feature. 161 162########## i386 163. if ${MACHINE_CPUARCH} == "i386" 164. if ${CPUTYPE} == "bdver4" 165MACHINE_CPU = xop avx2 avx sse42 sse41 ssse3 sse4a sse3 sse2 sse mmx k6 k5 i586 166. elif ${CPUTYPE} == "bdver3" || ${CPUTYPE} == "bdver2" || \ 167 ${CPUTYPE} == "bdver1" 168MACHINE_CPU = xop avx sse42 sse41 ssse3 sse4a sse3 sse2 sse mmx k6 k5 i586 169. elif ${CPUTYPE} == "btver2" 170MACHINE_CPU = avx sse42 sse41 ssse3 sse4a sse3 sse2 sse mmx k6 k5 i586 171. elif ${CPUTYPE} == "btver1" 172MACHINE_CPU = ssse3 sse4a sse3 sse2 sse mmx k6 k5 i586 173. elif ${CPUTYPE} == "amdfam10" 174MACHINE_CPU = athlon-xp athlon k7 3dnow sse4a sse3 sse2 sse mmx k6 k5 i586 175. elif ${CPUTYPE} == "opteron-sse3" || ${CPUTYPE} == "athlon64-sse3" 176MACHINE_CPU = athlon-xp athlon k7 3dnow sse3 sse2 sse mmx k6 k5 i586 177. elif ${CPUTYPE} == "opteron" || ${CPUTYPE} == "athlon64" || \ 178 ${CPUTYPE} == "athlon-fx" 179MACHINE_CPU = athlon-xp athlon k7 3dnow sse2 sse mmx k6 k5 i586 180. elif ${CPUTYPE} == "athlon-mp" || ${CPUTYPE} == "athlon-xp" || \ 181 ${CPUTYPE} == "athlon-4" 182MACHINE_CPU = athlon-xp athlon k7 3dnow sse mmx k6 k5 i586 183. elif ${CPUTYPE} == "athlon" || ${CPUTYPE} == "athlon-tbird" 184MACHINE_CPU = athlon k7 3dnow mmx k6 k5 i586 185. elif ${CPUTYPE} == "k6-3" || ${CPUTYPE} == "k6-2" || ${CPUTYPE} == "geode" 186MACHINE_CPU = 3dnow mmx k6 k5 i586 187. elif ${CPUTYPE} == "k6" 188MACHINE_CPU = mmx k6 k5 i586 189. elif ${CPUTYPE} == "k5" 190MACHINE_CPU = k5 i586 191. elif ${CPUTYPE} == "skylake" || ${CPUTYPE} == "knl" 192MACHINE_CPU = avx512 avx2 avx sse42 sse41 ssse3 sse3 sse2 sse i686 mmx i586 193. elif ${CPUTYPE} == "broadwell" || ${CPUTYPE} == "haswell" 194MACHINE_CPU = avx2 avx sse42 sse41 ssse3 sse3 sse2 sse i686 mmx i586 195. elif ${CPUTYPE} == "ivybridge" || ${CPUTYPE} == "sandybridge" 196MACHINE_CPU = avx sse42 sse41 ssse3 sse3 sse2 sse i686 mmx i586 197. elif ${CPUTYPE} == "westmere" || ${CPUTYPE} == "nehalem" || \ 198 ${CPUTYPE} == "silvermont" 199MACHINE_CPU = sse42 sse41 ssse3 sse3 sse2 sse i686 mmx i586 200. elif ${CPUTYPE} == "penryn" 201MACHINE_CPU = sse41 ssse3 sse3 sse2 sse i686 mmx i586 202. elif ${CPUTYPE} == "core2" || ${CPUTYPE} == "bonnell" 203MACHINE_CPU = ssse3 sse3 sse2 sse i686 mmx i586 204. elif ${CPUTYPE} == "yonah" || ${CPUTYPE} == "prescott" 205MACHINE_CPU = sse3 sse2 sse i686 mmx i586 206. elif ${CPUTYPE} == "pentium4" || ${CPUTYPE} == "pentium4m" || \ 207 ${CPUTYPE} == "pentium-m" 208MACHINE_CPU = sse2 sse i686 mmx i586 209. elif ${CPUTYPE} == "pentium3" || ${CPUTYPE} == "pentium3m" 210MACHINE_CPU = sse i686 mmx i586 211. elif ${CPUTYPE} == "pentium2" 212MACHINE_CPU = i686 mmx i586 213. elif ${CPUTYPE} == "pentiumpro" 214MACHINE_CPU = i686 i586 215. elif ${CPUTYPE} == "pentium-mmx" 216MACHINE_CPU = mmx i586 217. elif ${CPUTYPE} == "pentium" 218MACHINE_CPU = i586 219. elif ${CPUTYPE} == "c7" 220MACHINE_CPU = sse3 sse2 sse i686 mmx i586 221. elif ${CPUTYPE} == "c3-2" 222MACHINE_CPU = sse i686 mmx i586 223. elif ${CPUTYPE} == "c3" 224MACHINE_CPU = 3dnow mmx i586 225. elif ${CPUTYPE} == "winchip2" 226MACHINE_CPU = 3dnow mmx 227. elif ${CPUTYPE} == "winchip-c6" 228MACHINE_CPU = mmx 229. endif 230MACHINE_CPU += i486 231########## amd64 232. elif ${MACHINE_CPUARCH} == "amd64" 233. if ${CPUTYPE} == "bdver4" 234MACHINE_CPU = xop avx2 avx sse42 sse41 ssse3 sse4a sse3 235. elif ${CPUTYPE} == "bdver3" || ${CPUTYPE} == "bdver2" || \ 236 ${CPUTYPE} == "bdver1" 237MACHINE_CPU = xop avx sse42 sse41 ssse3 sse4a sse3 238. elif ${CPUTYPE} == "btver2" 239MACHINE_CPU = avx sse42 sse41 ssse3 sse4a sse3 240. elif ${CPUTYPE} == "btver1" 241MACHINE_CPU = ssse3 sse4a sse3 242. elif ${CPUTYPE} == "amdfam10" 243MACHINE_CPU = k8 3dnow sse4a sse3 244. elif ${CPUTYPE} == "opteron-sse3" || ${CPUTYPE} == "athlon64-sse3" || \ 245 ${CPUTYPE} == "k8-sse3" 246MACHINE_CPU = k8 3dnow sse3 247. elif ${CPUTYPE} == "opteron" || ${CPUTYPE} == "athlon64" || \ 248 ${CPUTYPE} == "athlon-fx" || ${CPUTYPE} == "k8" 249MACHINE_CPU = k8 3dnow 250. elif ${CPUTYPE} == "skylake" || ${CPUTYPE} == "knl" 251MACHINE_CPU = avx512 avx2 avx sse42 sse41 ssse3 sse3 252. elif ${CPUTYPE} == "broadwell" || ${CPUTYPE} == "haswell" 253MACHINE_CPU = avx2 avx sse42 sse41 ssse3 sse3 254. elif ${CPUTYPE} == "ivybridge" || ${CPUTYPE} == "sandybridge" 255MACHINE_CPU = avx sse42 sse41 ssse3 sse3 256. elif ${CPUTYPE} == "westmere" || ${CPUTYPE} == "nehalem" || \ 257 ${CPUTYPE} == "silvermont" 258MACHINE_CPU = sse42 sse41 ssse3 sse3 259. elif ${CPUTYPE} == "penryn" 260MACHINE_CPU = sse41 ssse3 sse3 261. elif ${CPUTYPE} == "core2" || ${CPUTYPE} == "bonnell" 262MACHINE_CPU = ssse3 sse3 263. elif ${CPUTYPE} == "nocona" 264MACHINE_CPU = sse3 265. endif 266MACHINE_CPU += amd64 sse2 sse mmx 267########## Mips 268. elif ${MACHINE_CPUARCH} == "mips" 269MACHINE_CPU = mips 270########## powerpc 271. elif ${MACHINE_ARCH} == "powerpc" 272. if ${CPUTYPE} == "e500" 273MACHINE_CPU = booke softfp 274. endif 275########## sparc64 276. elif ${MACHINE_ARCH} == "sparc64" 277. if ${CPUTYPE} == "v9" 278MACHINE_CPU = v9 279. elif ${CPUTYPE} == "ultrasparc" 280MACHINE_CPU = v9 ultrasparc 281. elif ${CPUTYPE} == "ultrasparc3" 282MACHINE_CPU = v9 ultrasparc ultrasparc3 283. endif 284. endif 285.endif 286 287.if ${MACHINE_CPUARCH} == "mips" 288CFLAGS += -G0 289.endif 290 291########## arm 292.if ${MACHINE_CPUARCH} == "arm" 293MACHINE_CPU += arm 294. if ${MACHINE_ARCH:Marmv6*} != "" 295MACHINE_CPU += armv6 296. endif 297# armv6 is a hybrid. It uses the softfp ABI, but doesn't emulate 298# floating point in the general case, so don't define softfp for 299# it at this time. arm and armeb are pure softfp, so define it 300# for them. 301. if ${MACHINE_ARCH:Marmv6*} == "" 302MACHINE_CPU += softfp 303. endif 304.if ${MACHINE_ARCH} == "armv6" 305# Needs to be CFLAGS not _CPUCFLAGS because it's needed for the ABI 306# not a nice optimization. 307CFLAGS += -mfloat-abi=softfp 308.endif 309.endif 310 311# NB: COPTFLAGS is handled in /usr/src/sys/conf/kern.pre.mk 312 313.if !defined(NO_CPU_CFLAGS) 314CFLAGS += ${_CPUCFLAGS} 315.endif 316 317# 318# Prohibit the compiler from emitting SIMD instructions. 319# These flags are added to CFLAGS in areas where the extra context-switch 320# cost outweighs the advantages of SIMD instructions. 321# 322# gcc: 323# Setting -mno-mmx implies -mno-3dnow 324# Setting -mno-sse implies -mno-sse2, -mno-sse3, -mno-ssse3 and -mfpmath=387 325# 326# clang: 327# Setting -mno-mmx implies -mno-3dnow and -mno-3dnowa 328# Setting -mno-sse implies -mno-sse2, -mno-sse3, -mno-ssse3, -mno-sse41 and 329# -mno-sse42 330# (-mfpmath= is not supported) 331# 332.if ${MACHINE_CPUARCH} == "i386" || ${MACHINE_CPUARCH} == "amd64" 333CFLAGS_NO_SIMD.clang= -mno-avx 334CFLAGS_NO_SIMD= -mno-mmx -mno-sse 335.endif 336CFLAGS_NO_SIMD += ${CFLAGS_NO_SIMD.${COMPILER_TYPE}} 337 338# Add in any architecture-specific CFLAGS. 339# These come from make.conf or the command line or the environment. 340CFLAGS += ${CFLAGS.${MACHINE_ARCH}} 341CXXFLAGS += ${CXXFLAGS.${MACHINE_ARCH}} 342