1# Set default CPU compile flags and baseline CPUTYPE for each arch. The 2# compile flags must support the minimum CPU type for each architecture but 3# may tune support for more advanced processors. 4 5generic_x86_64= x86_64 mmx sse sse2 6generic_i386= i386 7 8.if !defined(CPUTYPE) || empty(CPUTYPE) || ${CPUTYPE} == "native" 9 10. if defined(CPUTYPE) && ${CPUTYPE:Mnative} 11_CPUCFLAGS= -march=native 12. else 13_CPUCFLAGS= 14. endif 15 16MACHINE_CPU= ${generic_${MACHINE_ARCH}} 17 18.else 19 20############################################################################### 21# Logic to set up correct gcc optimization flag. This must be included 22# after /etc/make.conf so it can react to the local value of CPUTYPE 23# defined therein. Consult: 24# https://gcc.gnu.org/onlinedocs/gcc-5.3.0/gcc/x86-Options.html 25############################################################################### 26 27# Some GCC cpu-types have aliases, rename them to a single identifier 28# If the value for cpu-type is not recognized, throw it away and use -native 29 30. if ${CPUTYPE} == "k8" \ 31 || ${CPUTYPE} == "opteron" \ 32 || ${CPUTYPE} == "athlon-fx" 33CT2= athlon64 34. elif ${CPUTYPE} == "k8-sse3" \ 35 || ${CPUTYPE} == "opteron-sse3" 36CT2= athlon64-sse3 37. elif ${CPUTYPE} == "amdfam10" 38CT2= barcelona 39. else 40CT2= ${CPUTYPE} 41. endif 42 43known_x86_64= athlon64 \ 44 athlon64-sse3 \ 45 barcelona \ 46 bdver1 bdver2 bdver3 bdver4 \ 47 bonnell \ 48 broadwell \ 49 btver1 btver2 \ 50 core2 \ 51 haswell \ 52 i386 \ 53 ivybridge \ 54 knl \ 55 nocona \ 56 nehalem \ 57 sandybridge \ 58 silvermont \ 59 skylake \ 60 skylake-avx512 \ 61 westmere \ 62 znver1 63 64known_i386= i386 65 66. if defined(known_${MACHINE_ARCH}) && \ 67 !empty(known_${MACHINE_ARCH}:M${CT2}) # CID: Check CPUTYPE 68 69# Set up the list of CPU features based on the CPU type. This is an 70# unordered list to make it easy for client makefiles to test for the 71# presence of a CPU feature. 72 73. if ${MACHINE_ARCH} == "x86_64" 74C_nocona= ${generic_x86_64} sse3 75C_core2= ${C_nocona} ssse3 76C_nehalem= ${C_core2} sse41 sse42 popcnt 77C_westmere= ${C_nehalem} aes pclmul 78C_sandybridge= ${C_westmere} avx 79C_ivybridge= ${C_sandybridge} fsgsbase rdrnd f16c 80C_haswell= ${C_ivybridge} movbe avx2 fma bmi bmi2 81C_broadwell= ${C_haswell} rdseed adcx prefetchw 82C_skylake= ${C_broadwell} xsavec xsaves clflushop 83C_knl= ${C_broadwell} avx512f avx512pf avx512er avx512cd 84C_bonnell= ${C_core2} movbe 85C_silvermont= ${C_westmere} movbe rdrnd 86C_skylakeavx512=${C_skylake} pku avx512f avx512vl avx512bw avx512dq avx512cd 87C_athlon64= ${generic_x86_64} 3dnow 88C_athlon64sse3= ${C_athlon64} sse3 89C_barcelona= ${C_athlon64sse3} sse4a abm 90C_bdver1= ${C_core2} sse4a sse41 sse42 abm fma4 avx xop lwp aes \ 91 pclmul cx16 92C_bdver2= ${C_bdver1} bmi f16c fma tbm 93C_bdver3= ${C_bdver2} fsgsbase 94C_bdver4= ${C_bdver3} bmi2 avx2 movbe 95C_znver1= ${C_core2} bmi bmi2 f16c fma fsgsbase avx avx2 adcx rdseed \ 96 mwaitx sha clzero aes pclmul cx16 movbe sse4a sse41 sse42 \ 97 abm xsavec xsaves clflushop popcnt 98C_btver1= ${C_barcelona} cx16 99C_btver2= ${C_btver1} movbe f16c bmi avx pclmul aes sse41 sse42 100C_i386= ${generic_i386} 101 102. endif # end of x86_64 feature list 103 104# i386 used for 32-bit BIOS-based boot loaders 105 106. if ${MACHINE_ARCH} == "i386" 107C_i386= ${generic_i386} 108. endif # end of i386 feature list 109 110_CPUCFLAGS= -march=${CT2} 111MACHINE_CPU= ${C_${CT2:S|-||}} 112 113. else # CID: Check CPUTYPE 114 115# CPUTYPE was defined and was not empty, but the value does not match known 116# CPU types of the defined MACHINE_ARCH. Set -march to native and define 117# generic features based on MACHINE_ARCH 118 119_CPUCFLAGS= -march=native 120MACHINE_CPU= ${generic_${MACHINE_ARCH}} 121 122. endif # CID: Check CPUTYPE 123 124.endif 125