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} == "riscv" 22MACHINE_CPU = riscv 23. elif ${MACHINE_CPUARCH} == "sparc64" 24MACHINE_CPU = ultrasparc 25. endif 26.else 27 28# Handle aliases (not documented in make.conf to avoid user confusion 29# between e.g. i586 and pentium) 30 31. if ${MACHINE_CPUARCH} == "amd64" || ${MACHINE_CPUARCH} == "i386" 32. if ${CPUTYPE} == "barcelona" 33CPUTYPE = amdfam10 34. elif ${CPUTYPE} == "core-avx2" 35CPUTYPE = haswell 36. elif ${CPUTYPE} == "core-avx-i" 37CPUTYPE = ivybridge 38. elif ${CPUTYPE} == "corei7-avx" 39CPUTYPE = sandybridge 40. elif ${CPUTYPE} == "corei7" 41CPUTYPE = nehalem 42. elif ${CPUTYPE} == "slm" 43CPUTYPE = silvermont 44. elif ${CPUTYPE} == "atom" 45CPUTYPE = bonnell 46. elif ${CPUTYPE} == "core" 47CPUTYPE = prescott 48. endif 49. if ${MACHINE_CPUARCH} == "amd64" 50. if ${CPUTYPE} == "prescott" 51CPUTYPE = nocona 52. endif 53. else 54. if ${CPUTYPE} == "k7" 55CPUTYPE = athlon 56. elif ${CPUTYPE} == "p4" 57CPUTYPE = pentium4 58. elif ${CPUTYPE} == "p4m" 59CPUTYPE = pentium4m 60. elif ${CPUTYPE} == "p3" 61CPUTYPE = pentium3 62. elif ${CPUTYPE} == "p3m" 63CPUTYPE = pentium3m 64. elif ${CPUTYPE} == "p-m" 65CPUTYPE = pentium-m 66. elif ${CPUTYPE} == "p2" 67CPUTYPE = pentium2 68. elif ${CPUTYPE} == "i686" 69CPUTYPE = pentiumpro 70. elif ${CPUTYPE} == "i586/mmx" 71CPUTYPE = pentium-mmx 72. elif ${CPUTYPE} == "i586" 73CPUTYPE = pentium 74. endif 75. endif 76. elif ${MACHINE_ARCH} == "sparc64" 77. if ${CPUTYPE} == "us" 78CPUTYPE = ultrasparc 79. elif ${CPUTYPE} == "us3" 80CPUTYPE = ultrasparc3 81. endif 82. endif 83 84############################################################################### 85# Logic to set up correct gcc optimization flag. This must be included 86# after /etc/make.conf so it can react to the local value of CPUTYPE 87# defined therein. Consult: 88# http://gcc.gnu.org/onlinedocs/gcc/ARM-Options.html 89# http://gcc.gnu.org/onlinedocs/gcc/RS-6000-and-PowerPC-Options.html 90# http://gcc.gnu.org/onlinedocs/gcc/MIPS-Options.html 91# http://gcc.gnu.org/onlinedocs/gcc/SPARC-Options.html 92# http://gcc.gnu.org/onlinedocs/gcc/i386-and-x86_002d64-Options.html 93 94. if ${MACHINE_CPUARCH} == "i386" 95. if ${CPUTYPE} == "crusoe" 96_CPUCFLAGS = -march=i686 -falign-functions=0 -falign-jumps=0 -falign-loops=0 97. elif ${CPUTYPE} == "k5" 98_CPUCFLAGS = -march=pentium 99. elif ${CPUTYPE} == "c7" 100_CPUCFLAGS = -march=c3-2 101. else 102_CPUCFLAGS = -march=${CPUTYPE} 103. endif 104. elif ${MACHINE_CPUARCH} == "amd64" 105_CPUCFLAGS = -march=${CPUTYPE} 106. elif ${MACHINE_CPUARCH} == "arm" 107. if ${CPUTYPE} == "xscale" 108#XXX: gcc doesn't seem to like -mcpu=xscale, and dies while rebuilding itself 109#_CPUCFLAGS = -mcpu=xscale 110_CPUCFLAGS = -march=armv5te -D__XSCALE__ 111. elif ${CPUTYPE:M*soft*} != "" 112_CPUCFLAGS = -mfloat-abi=softfp 113. elif ${CPUTYPE} == "cortexa" 114_CPUCFLAGS = -march=armv7 -mfpu=vfp 115. elif ${CPUTYPE:Marmv[4567]*} != "" 116# Handle all the armvX types that FreeBSD runs: 117# armv4, armv4t, armv5, armv5te, armv6, armv6t2, armv7, armv7-a, armv7ve 118# they require -march=. All the others require -mcpu=. 119_CPUCFLAGS = -march=${CPUTYPE} 120. else 121# Common values for FreeBSD 122# arm: (any arm v4 or v5 processor you are targeting) 123# arm920t, arm926ej-s, marvell-pj4, fa526, fa626, 124# fa606te, fa626te, fa726te 125# armv6: (any arm v7 or v8 processor you are targeting and the arm1176jzf-s) 126# arm1176jzf-s, generic-armv7-a, cortex-a5, cortex-a7, cortex-a8, 127# cortex-a9, cortex-a12, cortex-a15, cortex-a17, cortex-a53, cortex-a57, 128# cortex-a72, exynos-m1 129_CPUCFLAGS = -mcpu=${CPUTYPE} 130. endif 131. elif ${MACHINE_ARCH} == "powerpc" 132. if ${CPUTYPE} == "e500" 133_CPUCFLAGS = -Wa,-me500 -msoft-float 134. else 135_CPUCFLAGS = -mcpu=${CPUTYPE} -mno-powerpc64 136. endif 137. elif ${MACHINE_ARCH} == "powerpcspe" 138_CPUCFLAGS = -Wa,-me500 -mspe=yes -mabi=spe -mfloat-gprs=double 139. elif ${MACHINE_ARCH} == "powerpc64" 140_CPUCFLAGS = -mcpu=${CPUTYPE} 141. elif ${MACHINE_CPUARCH} == "mips" 142# mips[1234], mips32, mips64, and all later releases need to have mips 143# preserved (releases later than r2 require external toolchain) 144. if ${CPUTYPE:Mmips32*} != "" || ${CPUTYPE:Mmips64*} != "" || \ 145 ${CPUTYPE:Mmips[1234]} != "" 146_CPUCFLAGS = -march=${CPUTYPE} 147. else 148# Default -march to the CPUTYPE passed in, with mips stripped off so we 149# accept either mips4kc or 4kc, mostly for historical reasons 150# Typical values for cores: 151# 4kc, 24kc, 34kc, 74kc, 1004kc, octeon, octeon+, octeon2, octeon3, 152# sb1, xlp, xlr 153_CPUCFLAGS = -march=${CPUTYPE:S/^mips//} 154. endif 155. elif ${MACHINE_ARCH} == "sparc64" 156. if ${CPUTYPE} == "v9" 157_CPUCFLAGS = -mcpu=v9 158. elif ${CPUTYPE} == "ultrasparc" 159_CPUCFLAGS = -mcpu=ultrasparc 160. elif ${CPUTYPE} == "ultrasparc3" 161_CPUCFLAGS = -mcpu=ultrasparc3 162. endif 163. elif ${MACHINE_CPUARCH} == "aarch64" 164_CPUCFLAGS = -mcpu=${CPUTYPE} 165. endif 166 167# Set up the list of CPU features based on the CPU type. This is an 168# unordered list to make it easy for client makefiles to test for the 169# presence of a CPU feature. 170 171########## i386 172. if ${MACHINE_CPUARCH} == "i386" 173. if ${CPUTYPE} == "znver1" 174MACHINE_CPU = avx2 avx sse42 sse41 ssse3 sse4a sse3 sse2 sse mmx k6 k5 i586 175. elif ${CPUTYPE} == "bdver4" 176MACHINE_CPU = xop avx2 avx sse42 sse41 ssse3 sse4a sse3 sse2 sse mmx k6 k5 i586 177. elif ${CPUTYPE} == "bdver3" || ${CPUTYPE} == "bdver2" || \ 178 ${CPUTYPE} == "bdver1" 179MACHINE_CPU = xop avx sse42 sse41 ssse3 sse4a sse3 sse2 sse mmx k6 k5 i586 180. elif ${CPUTYPE} == "btver2" 181MACHINE_CPU = avx sse42 sse41 ssse3 sse4a sse3 sse2 sse mmx k6 k5 i586 182. elif ${CPUTYPE} == "btver1" 183MACHINE_CPU = ssse3 sse4a sse3 sse2 sse mmx k6 k5 i586 184. elif ${CPUTYPE} == "amdfam10" 185MACHINE_CPU = athlon-xp athlon k7 3dnow sse4a sse3 sse2 sse mmx k6 k5 i586 186. elif ${CPUTYPE} == "opteron-sse3" || ${CPUTYPE} == "athlon64-sse3" 187MACHINE_CPU = athlon-xp athlon k7 3dnow sse3 sse2 sse mmx k6 k5 i586 188. elif ${CPUTYPE} == "opteron" || ${CPUTYPE} == "athlon64" || \ 189 ${CPUTYPE} == "athlon-fx" 190MACHINE_CPU = athlon-xp athlon k7 3dnow sse2 sse mmx k6 k5 i586 191. elif ${CPUTYPE} == "athlon-mp" || ${CPUTYPE} == "athlon-xp" || \ 192 ${CPUTYPE} == "athlon-4" 193MACHINE_CPU = athlon-xp athlon k7 3dnow sse mmx k6 k5 i586 194. elif ${CPUTYPE} == "athlon" || ${CPUTYPE} == "athlon-tbird" 195MACHINE_CPU = athlon k7 3dnow mmx k6 k5 i586 196. elif ${CPUTYPE} == "k6-3" || ${CPUTYPE} == "k6-2" || ${CPUTYPE} == "geode" 197MACHINE_CPU = 3dnow mmx k6 k5 i586 198. elif ${CPUTYPE} == "k6" 199MACHINE_CPU = mmx k6 k5 i586 200. elif ${CPUTYPE} == "k5" 201MACHINE_CPU = k5 i586 202. elif ${CPUTYPE} == "skylake" || ${CPUTYPE} == "knl" 203MACHINE_CPU = avx512 avx2 avx sse42 sse41 ssse3 sse3 sse2 sse i686 mmx i586 204. elif ${CPUTYPE} == "broadwell" || ${CPUTYPE} == "haswell" 205MACHINE_CPU = avx2 avx sse42 sse41 ssse3 sse3 sse2 sse i686 mmx i586 206. elif ${CPUTYPE} == "ivybridge" || ${CPUTYPE} == "sandybridge" 207MACHINE_CPU = avx sse42 sse41 ssse3 sse3 sse2 sse i686 mmx i586 208. elif ${CPUTYPE} == "westmere" || ${CPUTYPE} == "nehalem" || \ 209 ${CPUTYPE} == "silvermont" 210MACHINE_CPU = sse42 sse41 ssse3 sse3 sse2 sse i686 mmx i586 211. elif ${CPUTYPE} == "penryn" 212MACHINE_CPU = sse41 ssse3 sse3 sse2 sse i686 mmx i586 213. elif ${CPUTYPE} == "core2" || ${CPUTYPE} == "bonnell" 214MACHINE_CPU = ssse3 sse3 sse2 sse i686 mmx i586 215. elif ${CPUTYPE} == "yonah" || ${CPUTYPE} == "prescott" 216MACHINE_CPU = sse3 sse2 sse i686 mmx i586 217. elif ${CPUTYPE} == "pentium4" || ${CPUTYPE} == "pentium4m" || \ 218 ${CPUTYPE} == "pentium-m" 219MACHINE_CPU = sse2 sse i686 mmx i586 220. elif ${CPUTYPE} == "pentium3" || ${CPUTYPE} == "pentium3m" 221MACHINE_CPU = sse i686 mmx i586 222. elif ${CPUTYPE} == "pentium2" 223MACHINE_CPU = i686 mmx i586 224. elif ${CPUTYPE} == "pentiumpro" 225MACHINE_CPU = i686 i586 226. elif ${CPUTYPE} == "pentium-mmx" 227MACHINE_CPU = mmx i586 228. elif ${CPUTYPE} == "pentium" 229MACHINE_CPU = i586 230. elif ${CPUTYPE} == "c7" 231MACHINE_CPU = sse3 sse2 sse i686 mmx i586 232. elif ${CPUTYPE} == "c3-2" 233MACHINE_CPU = sse i686 mmx i586 234. elif ${CPUTYPE} == "c3" 235MACHINE_CPU = 3dnow mmx i586 236. elif ${CPUTYPE} == "winchip2" 237MACHINE_CPU = 3dnow mmx 238. elif ${CPUTYPE} == "winchip-c6" 239MACHINE_CPU = mmx 240. endif 241MACHINE_CPU += i486 242########## amd64 243. elif ${MACHINE_CPUARCH} == "amd64" 244. if ${CPUTYPE} == "znver1" 245MACHINE_CPU = avx2 avx sse42 sse41 ssse3 sse4a sse3 246. elif ${CPUTYPE} == "bdver4" 247MACHINE_CPU = xop avx2 avx sse42 sse41 ssse3 sse4a sse3 248. elif ${CPUTYPE} == "bdver3" || ${CPUTYPE} == "bdver2" || \ 249 ${CPUTYPE} == "bdver1" 250MACHINE_CPU = xop avx sse42 sse41 ssse3 sse4a sse3 251. elif ${CPUTYPE} == "btver2" 252MACHINE_CPU = avx sse42 sse41 ssse3 sse4a sse3 253. elif ${CPUTYPE} == "btver1" 254MACHINE_CPU = ssse3 sse4a sse3 255. elif ${CPUTYPE} == "amdfam10" 256MACHINE_CPU = k8 3dnow sse4a sse3 257. elif ${CPUTYPE} == "opteron-sse3" || ${CPUTYPE} == "athlon64-sse3" || \ 258 ${CPUTYPE} == "k8-sse3" 259MACHINE_CPU = k8 3dnow sse3 260. elif ${CPUTYPE} == "opteron" || ${CPUTYPE} == "athlon64" || \ 261 ${CPUTYPE} == "athlon-fx" || ${CPUTYPE} == "k8" 262MACHINE_CPU = k8 3dnow 263. elif ${CPUTYPE} == "skylake" || ${CPUTYPE} == "knl" 264MACHINE_CPU = avx512 avx2 avx sse42 sse41 ssse3 sse3 265. elif ${CPUTYPE} == "broadwell" || ${CPUTYPE} == "haswell" 266MACHINE_CPU = avx2 avx sse42 sse41 ssse3 sse3 267. elif ${CPUTYPE} == "ivybridge" || ${CPUTYPE} == "sandybridge" 268MACHINE_CPU = avx sse42 sse41 ssse3 sse3 269. elif ${CPUTYPE} == "westmere" || ${CPUTYPE} == "nehalem" || \ 270 ${CPUTYPE} == "silvermont" 271MACHINE_CPU = sse42 sse41 ssse3 sse3 272. elif ${CPUTYPE} == "penryn" 273MACHINE_CPU = sse41 ssse3 sse3 274. elif ${CPUTYPE} == "core2" || ${CPUTYPE} == "bonnell" 275MACHINE_CPU = ssse3 sse3 276. elif ${CPUTYPE} == "nocona" 277MACHINE_CPU = sse3 278. endif 279MACHINE_CPU += amd64 sse2 sse mmx 280########## Mips 281. elif ${MACHINE_CPUARCH} == "mips" 282MACHINE_CPU = mips 283########## powerpc 284. elif ${MACHINE_ARCH} == "powerpc" 285. if ${CPUTYPE} == "e500" 286MACHINE_CPU = booke softfp 287. endif 288########## riscv 289. elif ${MACHINE_CPUARCH} == "riscv" 290MACHINE_CPU = riscv 291########## sparc64 292. elif ${MACHINE_ARCH} == "sparc64" 293. if ${CPUTYPE} == "v9" 294MACHINE_CPU = v9 295. elif ${CPUTYPE} == "ultrasparc" 296MACHINE_CPU = v9 ultrasparc 297. elif ${CPUTYPE} == "ultrasparc3" 298MACHINE_CPU = v9 ultrasparc ultrasparc3 299. endif 300. endif 301.endif 302 303.if ${MACHINE_CPUARCH} == "mips" 304CFLAGS += -G0 305. if ${MACHINE_ARCH:Mmips*el*} != "" 306AFLAGS += -EL 307CFLAGS += -EL 308LDFLAGS += -EL 309. else 310AFLAGS += -EB 311CFLAGS += -EB 312LDFLAGS += -EB 313. endif 314. if ${MACHINE_ARCH:Mmips64*} != "" 315AFLAGS+= -mabi=64 316CFLAGS+= -mabi=64 317LDFLAGS+= -mabi=64 318. elif ${MACHINE_ARCH:Mmipsn32*} != "" 319AFLAGS+= -mabi=n32 320CFLAGS+= -mabi=n32 321LDFLAGS+= -mabi=n32 322. else 323AFLAGS+= -mabi=32 324CFLAGS+= -mabi=32 325LDFLAGS+= -mabi=32 326. endif 327. if ${MACHINE_ARCH:Mmips*hf} 328CFLAGS += -mhard-float 329. else 330CFLAGS += -msoft-float 331. endif 332.endif 333 334########## arm 335.if ${MACHINE_CPUARCH} == "arm" 336MACHINE_CPU += arm 337. if ${MACHINE_ARCH:Marmv6*} != "" 338MACHINE_CPU += armv6 339. endif 340. if ${MACHINE_ARCH:Marmv7*} != "" 341MACHINE_CPU += armv7 342. endif 343# armv6 and armv7 are a hybrid. It can use the softfp ABI, but doesn't emulate 344# floating point in the general case, so don't define softfp for it at this 345# time. arm and armeb are pure softfp, so define it for them. 346. if ${MACHINE_ARCH:Marmv[67]*} == "" 347MACHINE_CPU += softfp 348. endif 349# Normally armv6 and armv7 are hard float ABI from FreeBSD 11 onwards. However 350# when CPUTYPE has 'soft' in it, we use the soft-float ABI to allow building of 351# soft-float ABI libraries. In this case, we have to add the -mfloat-abi=softfp 352# to force that. 353.if ${MACHINE_ARCH:Marmv[67]*} && defined(CPUTYPE) && ${CPUTYPE:M*soft*} != "" 354# Needs to be CFLAGS not _CPUCFLAGS because it's needed for the ABI 355# not a nice optimization. 356CFLAGS += -mfloat-abi=softfp 357.endif 358.endif 359 360.if ${MACHINE_ARCH} == "powerpcspe" 361CFLAGS += -mcpu=8540 -Wa,-me500 -mspe=yes -mabi=spe -mfloat-gprs=double 362.endif 363 364.if ${MACHINE_CPUARCH} == "riscv" 365.if ${TARGET_ARCH:Mriscv*sf} 366CFLAGS += -march=rv64imac -mabi=lp64 367ACFLAGS += -march=rv64imac -mabi=lp64 368.else 369CFLAGS += -march=rv64imafdc -mabi=lp64 370ACFLAGS += -march=rv64imafdc -mabi=lp64 371.endif 372.endif 373 374# NB: COPTFLAGS is handled in /usr/src/sys/conf/kern.pre.mk 375 376.if !defined(NO_CPU_CFLAGS) 377CFLAGS += ${_CPUCFLAGS} 378.endif 379 380# 381# Prohibit the compiler from emitting SIMD instructions. 382# These flags are added to CFLAGS in areas where the extra context-switch 383# cost outweighs the advantages of SIMD instructions. 384# 385# gcc: 386# Setting -mno-mmx implies -mno-3dnow 387# Setting -mno-sse implies -mno-sse2, -mno-sse3, -mno-ssse3 and -mfpmath=387 388# 389# clang: 390# Setting -mno-mmx implies -mno-3dnow and -mno-3dnowa 391# Setting -mno-sse implies -mno-sse2, -mno-sse3, -mno-ssse3, -mno-sse41 and 392# -mno-sse42 393# (-mfpmath= is not supported) 394# 395.if ${MACHINE_CPUARCH} == "i386" || ${MACHINE_CPUARCH} == "amd64" 396CFLAGS_NO_SIMD.clang= -mno-avx 397CFLAGS_NO_SIMD= -mno-mmx -mno-sse 398.endif 399CFLAGS_NO_SIMD += ${CFLAGS_NO_SIMD.${COMPILER_TYPE}} 400 401# Add in any architecture-specific CFLAGS. 402# These come from make.conf or the command line or the environment. 403CFLAGS += ${CFLAGS.${MACHINE_ARCH}} 404CXXFLAGS += ${CXXFLAGS.${MACHINE_ARCH}} 405