gcc/config/nvptx/gen-multilib-matches.sh

   1 #!/bin/sh
   2
   3 # Print nvptx 'MULTILIB_MATCHES'
   4
   5 # Copyright (C) 2022-2024 Free Software Foundation, Inc.
   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 set -e
  24
  25 nvptx_sm_def="$1/nvptx-sm.def"
  26 multilib_options_isa_default=$2
  27 multilib_options_isa_list=$3
  28
  29 sms=$(grep ^NVPTX_SM $nvptx_sm_def | sed 's/.*(//;s/,.*//')
  30
  31 # Every variant in 'sms' has to either be remapped to the default variant
  32 # ('.', which is always built), or does get built as non-default variant
  33 # ('misa=sm_SM'; thus not remapped), or has to be remapped to the "next lower"
  34 # variant that does get built.
  35
  36 # The "lowest" variant has to be built.
  37 sm_next_lower=INVALID
  38
  39 for sm in $sms; do
  40     if [ x"sm_$sm" = x"$multilib_options_isa_default" ]; then
  41         sm_map=.
  42     elif expr " $multilib_options_isa_list " : ".* sm_$sm " > /dev/null; then
  43         sm_map=
  44     else
  45         sm_map=$sm_next_lower
  46     fi
  47
  48     if [ x"$sm_map" = x ]; then
  49         sm_next_lower=$sm
  50     else
  51         # Output format as required for 'MULTILIB_MATCHES'.
  52         if [ x"$sm_map" = x. ]; then
  53             echo ".=misa?sm_$sm"
  54         else
  55             echo "misa?sm_$sm_map=misa?sm_$sm"
  56         fi
  57
  58         sm_next_lower=$sm_map
  59     fi
  60 done