share/mk/bsd.cpu.gcc47.mk

   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
   5 generic_x86_64= x86_64 mmx sse sse2
   6 generic_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
  16 MACHINE_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-4.7.4/gcc/i386-and-x86-64-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"
  33 CT2=    athlon64
  34 . elif ${CPUTYPE} == "k8-sse3" \
  35     || ${CPUTYPE} == "opteron-sse3"
  36 CT2=    athlon64-sse3
  37 . elif ${CPUTYPE} == "amdfam10"
  38 CT2=    barcelona
  39 . else
  40 CT2=    ${CPUTYPE}
  41 . endif
  42
  43 known_x86_64=   athlon64 \
  44                 athlon64-sse3 \
  45                 atom \
  46                 barcelona \
  47                 bdver1 \
  48                 bdver2 \
  49                 btver1 \
  50                 core-avx-i \
  51                 core2 \
  52                 corei7 \
  53                 corei7-avx \
  54                 i386 \
  55                 nocona \
  56                 znver1
  57
  58 known_i386=     i386
  59
  60 . if defined(known_${MACHINE_ARCH}) && \
  61      !empty(known_${MACHINE_ARCH}:M${CT2})              # CID: Check CPUTYPE
  62
  63 # Set up the list of CPU features based on the CPU type.  This is an
  64 # unordered list to make it easy for client makefiles to test for the
  65 # presence of a CPU feature.
  66
  67 .  if ${MACHINE_ARCH} == "x86_64"
  68 C_i386=         ${generic_i386}
  69 C_nocona=       ${generic_x86_64} sse3
  70 C_core2=        ${C_nocona} ssse3
  71 C_corei7=       ${C_core2} sse41 sse42
  72 C_corei7avx=    ${C_corei7} avx aes pclmul
  73 C_atom=         ${C_core2}
  74 C_athlon64=     ${generic_x86_64} 3dnow
  75 C_athlon64sse3= ${C_athlon64} sse3
  76 C_barcelona=    ${C_athlon64sse3} sse4a abm
  77 C_bdver1=       ${C_corei7avx} sse4a abm fma4 xop lwp cx16
  78 C_bdver2=       ${C_bdver1} bmi f16c fma tbm
  79 C_btver1=       ${C_barcelona} cx16
  80 C_coreavxi=     ${C_corei7avx} fsgsbase rdrnd f16c
  81 C_znver1=       ${C_corei7avx} bmi bmi2 f16c fma fsgsbase avx2 adcx rdseed \
  82                 mwaitx sha clzero cx16 movbe sse4a abm xsavec xsaves \
  83                 clflushop popcnt
  84
  85 .  endif        # end of x86_64 feature list
  86
  87 # i386 used for 32-bit BIOS-based boot loaders
  88
  89 .  if ${MACHINE_ARCH} == "i386"
  90 C_i386=         ${generic_i386}
  91 .  endif        # end of i386 feature list
  92
  93 _CPUCFLAGS=     -march=${CT2}
  94 MACHINE_CPU=    ${C_${CT2:S|-||}}
  95
  96 . else                                                  # CID: Check CPUTYPE
  97
  98 # CPUTYPE was defined and was not empty, but the value does not match known
  99 # CPU types of the defined MACHINE_ARCH.  Set -march to native and define
 100 # generic features based on MACHINE_ARCH
 101
 102 _CPUCFLAGS=     -march=native
 103 MACHINE_CPU=    ${generic_${MACHINE_ARCH}}
 104
 105 . endif                                                 # CID: Check CPUTYPE
 106
 107 .endif