gcc/config/riscv/multilib-generator

   1 #!/usr/bin/env python
   2
   3 # RISC-V multilib list generator.
   4 # Copyright (C) 2011-2018 Free Software Foundation, Inc.
   5 # Contributed by Andrew Waterman (andrew@sifive.com).
   6 #
   7 # This file is part of GCC.
   8 #
   9 # GCC is free software; you can redistribute it and/or modify
  10 # it under the terms of the GNU General Public License as published by
  11 # the Free Software Foundation; either version 3, or (at your option)
  12 # any later version.
  13 #
  14 # GCC is distributed in the hope that it will be useful,
  15 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  16 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17 # GNU General Public License for more details.
  18 #
  19 # You should have received a copy of the GNU General Public License
  20 # along with GCC; see the file COPYING3.  If not see
  21 # <http://www.gnu.org/licenses/>.
  22
  23 # Each argument to this script is of the form
  24 #  <primary arch>-<abi>-<additional arches>-<extensions>
  25 # For example,
  26 #  rv32imafd-ilp32d-rv32g-c,v
  27 # means that, in addition to rv32imafd, these configurations can also use the
  28 # rv32imafd-ilp32d libraries: rv32imafdc, rv32imafdv, rv32g, rv32gc, rv32gv
  29
  30 from __future__ import print_function
  31 import sys
  32 import collections
  33
  34 arches = collections.OrderedDict()
  35 abis = collections.OrderedDict()
  36 required = []
  37 reuse = []
  38
  39 for cfg in sys.argv[1:]:
  40   (arch, abi, extra, ext) = cfg.split('-')
  41   arches[arch] = 1
  42   abis[abi] = 1
  43   extra = list(filter(None, extra.split(',')))
  44   ext = list(filter(None, ext.split(',')))
  45   alts = sum([[x] + [x + y for y in ext] for x in [arch] + extra], [])
  46   alts = alts + [x.replace('imafd', 'g') for x in alts if 'imafd' in x]
  47   for alt in alts[1:]:
  48     arches[alt] = 1
  49     reuse.append('march.%s/mabi.%s=march.%s/mabi.%s' % (arch, abi, alt, abi))
  50   required.append('march=%s/mabi=%s' % (arch, abi))
  51
  52 arch_options = '/'.join(['march=%s' % x for x in arches.keys()])
  53 arch_dirnames = ' \\\n'.join(arches.keys())
  54
  55 abi_options = '/'.join(['mabi=%s' % x for x in abis.keys()])
  56 abi_dirnames = ' \\\n'.join(abis.keys())
  57
  58 prog = sys.argv[0].split('/')[-1]
  59 print('# This file was generated by %s with the command:' % prog)
  60 print('#  %s' % ' '.join(sys.argv))
  61
  62 print('MULTILIB_OPTIONS = %s %s' % (arch_options, abi_options))
  63 print('MULTILIB_DIRNAMES = %s %s' % (arch_dirnames, abi_dirnames))
  64 print('MULTILIB_REQUIRED = %s' % ' \\\n'.join(required))
  65 print('MULTILIB_REUSE = %s' % ' \\\n'.join(reuse))