gcc/config/arc/genmultilib.awk

   1 # Copyright (C) 2016-2018 Free Software Foundation, Inc.
   2 #
   3 # This file is part of GCC.
   4 #
   5 # GCC is free software; you can redistribute it and/or modify it under
   6 # the terms of the GNU General Public License as published by the Free
   7 # Software Foundation; either version 3, or (at your option) any later
   8 # version.
   9 #
  10 # GCC is distributed in the hope that it will be useful, but WITHOUT ANY
  11 # WARRANTY; without even the implied warranty of MERCHANTABILITY or
  12 # FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  13 # for more details.
  14 #
  15 # You should have received a copy of the GNU General Public License
  16 # along with GCC; see the file COPYING3.  If not see
  17 # <http://www.gnu.org/licenses/>.
  18
  19 ##################################################################
  20 #
  21 # This file is using AVR's genmultilib.awk idea.
  22 # Transform CPU Information from arc-cpu.def to a
  23 # Representation that is understood by GCC's multilib Machinery.
  24 #
  25 # The Script works as a Filter from STDIN to STDOUT.
  26 #
  27 # FORMAT = "Makefile": Generate Makefile Snipet that sets some
  28 #                      MULTILIB_* Variables as needed.
  29 #
  30 ##################################################################
  31
  32 BEGIN {
  33   FS ="[(, \t)]+"
  34   comment = 1
  35   n_cores = 0
  36   n_reuse = 0
  37 }
  38
  39 ##################################################################
  40 # Add some Comments to the generated Files and copy-paste
  41 # Copyright Notice from above.
  42 ##################################################################
  43 /^#/ {
  44   if (!comment)
  45     next
  46   else if (comment == 1)
  47     {
  48       if (FORMAT == "Makefile")
  49         {
  50           print "# Auto-generated Makefile Snip"
  51           print "# Generated by    : ./gcc/config/arc/genmultilib.awk"
  52           print "# Generated from  : ./gcc/config/arc/arc-cpu.def"
  53           print "# Used by         : tmake_file from Makefile and genmultilib"
  54           print ""
  55         }
  56     }
  57
  58   comment = 2;
  59
  60   print
  61 }
  62
  63 /^$/ {
  64   # The first empty line stops copy-pasting the GPL comments
  65   # from this file to the generated file.
  66
  67   comment = 0
  68 }
  69
  70
  71 /^ARC_CPU/ {
  72   name = $2
  73   #  gsub ("\"", "", name)
  74
  75   if ($4 != "0")
  76     {
  77       arch = $3
  78       if (arch == "6xx")
  79         arch = 601
  80
  81       n = split ($4, cpu_flg, "|")
  82
  83       line = "mcpu." arch
  84       for (i = 1; i <= n; i++)
  85         {
  86           if (cpu_flg[i] == "FL_MPYOPT_0")
  87             line = line "/mmpy-option.0"
  88           else if (cpu_flg[i] == "FL_MPYOPT_1")
  89             line = line "/mmpy-option.1"
  90           else if (cpu_flg[i] == "FL_MPYOPT_2")
  91             line = line "/mmpy-option.2"
  92           else if (cpu_flg[i] == "FL_MPYOPT_3")
  93             line = line "/mmpy-option.3"
  94           else if (cpu_flg[i] == "FL_MPYOPT_4")
  95             line = line "/mmpy-option.4"
  96           else if (cpu_flg[i] == "FL_MPYOPT_5")
  97             line = line "/mmpy-option.5"
  98           else if (cpu_flg[i] == "FL_MPYOPT_6")
  99             line = line "/mmpy-option.6"
 100           else if (cpu_flg[i] == "FL_MPYOPT_7")
 101             line = line "/mmpy-option.7"
 102           else if (cpu_flg[i] == "FL_MPYOPT_8")
 103             line = line "/mmpy-option.8"
 104           else if (cpu_flg[i] == "FL_MPYOPT_9")
 105             line = line "/mmpy-option.9"
 106           else if (cpu_flg[i] == "FL_CD")
 107             line = line "/mcode-density"
 108           else if (cpu_flg[i] == "FL_BS")
 109             line = line "/mbarrel-shifter"
 110           else if (cpu_flg[i] == "FL_DIVREM")
 111             line = line "/mdiv-rem"
 112           else if (cpu_flg[i] == "FL_NORM" \
 113                    || cpu_flg[i] == "FL_SWAP")
 114             line = line "/mnorm"
 115           else if (cpu_flg[i] == "FL_FPU_FPUS")
 116             line = line "/mfpu.fpus"
 117           else if (cpu_flg[i] == "FL_FPU_FPUDA")
 118             line = line "/mfpu.fpuda"
 119           else if (cpu_flg[i] == "FL_FPU_FPUD_ALL")
 120             line = line "/mfpu.fpud_all"
 121           else if (cpu_flg[i] == "FL_LL64")
 122             line = line "/mll64"
 123           else if (cpu_flg[i] == "FL_MUL64")
 124             line = line "/mmul64"
 125           else if (cpu_flg[i] == "FL_MUL32x16")
 126             line = line "/mmul32x16"
 127           else if (cpu_flg[i] == "FL_FPX_QUARK")
 128             line = line "/quark"
 129           else if (cpu_flg[i] == "FL_SPFP")
 130             line = line "/spfp"
 131           else if (cpu_flg[i] == "FL_DPFP")
 132             line = line "/dpfp"
 133           else if (cpu_flg[i] == "FL_RF16")
 134             line = line "/mrf16"
 135           else
 136             {
 137               print "Don't know the flag " cpu_flg[i] > "/dev/stderr"
 138               exit 1
 139             }
 140         }
 141       line = "mcpu." name "=" line
 142       reuse[n_reuse] = line
 143       n_reuse++
 144     }
 145
 146   core = name
 147   cores[n_cores] = core
 148   n_cores++
 149 }
 150
 151 ##################################################################
 152 #
 153 # We gathered all the Information, now build/output the following:
 154 #
 155 #    awk Variable         target Variable          FORMAT
 156 #  -----------------------------------------------------------
 157 #    m_options     <->    MULTILIB_OPTIONS         Makefile
 158 #    m_dirnames    <->    MULTILIB_DIRNAMES           "
 159 #
 160 ##################################################################
 161
 162 END {
 163   m_options    = "\nMULTILIB_OPTIONS = "
 164   m_dirnames   = "\nMULTILIB_DIRNAMES ="
 165   m_reuse      = "\nMULTILIB_REUSE ="
 166
 167   sep = ""
 168   for (c = 0; c < n_cores; c++)
 169     {
 170       m_options  = m_options sep "mcpu=" cores[c]
 171       m_dirnames = m_dirnames " " cores[c]
 172       sep = "/"
 173     }
 174
 175   sep = ""
 176   for (c = 0; c < n_reuse; c++)
 177     {
 178       m_reuse = m_reuse sep reuse[c]
 179       sep = "\nMULTILIB_REUSE +="
 180     }
 181   ############################################################
 182   # Output that Stuff
 183   ############################################################
 184
 185   if (FORMAT == "Makefile")
 186     {
 187       # Intended Target: ./gcc/config/arc/t-multilib
 188
 189       print m_options
 190       print m_dirnames
 191
 192       ############################################################
 193       # Legacy Aliases
 194       ############################################################
 195
 196       print ""
 197       print "# Aliases:"
 198       print "MULTILIB_MATCHES  = mcpu?arc600=mcpu?ARC600"
 199       print "MULTILIB_MATCHES += mcpu?arc600=mARC600"
 200       print "MULTILIB_MATCHES += mcpu?arc600=mA6"
 201       print "MULTILIB_MATCHES += mcpu?arc601=mcpu?ARC601"
 202       print "MULTILIB_MATCHES += mcpu?arc700=mA7"
 203       print "MULTILIB_MATCHES += mcpu?arc700=mARC700"
 204     }
 205 }