| # Copyright (C) 2016-2020 Free Software Foundation, Inc. |
| # |
| # This file is part of GCC. |
| # |
| # GCC is free software; you can redistribute it and/or modify it under |
| # the terms of the GNU General Public License as published by the Free |
| # Software Foundation; either version 3, or (at your option) any later |
| # version. |
| # |
| # GCC is distributed in the hope that it will be useful, but WITHOUT ANY |
| # WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| # FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| # for more details. |
| # |
| # You should have received a copy of the GNU General Public License |
| # along with GCC; see the file COPYING3. If not see |
| # <http://www.gnu.org/licenses/>. |
| |
| ################################################################## |
| # |
| # This file is using AVR's genmultilib.awk idea. |
| # Transform CPU Information from arc-cpu.def to a |
| # Representation that is understood by GCC's multilib Machinery. |
| # |
| # The Script works as a Filter from STDIN to STDOUT. |
| # |
| # FORMAT = "Makefile": Generate Makefile Snipet that sets some |
| # MULTILIB_* Variables as needed. |
| # |
| ################################################################## |
| |
| BEGIN { |
| FS ="[(, \t)]+" |
| comment = 1 |
| n_cores = 0 |
| n_reuse = 0 |
| } |
| |
| ################################################################## |
| # Add some Comments to the generated Files and copy-paste |
| # Copyright Notice from above. |
| ################################################################## |
| /^#/ { |
| if (!comment) |
| next |
| else if (comment == 1) |
| { |
| if (FORMAT == "Makefile") |
| { |
| print "# Auto-generated Makefile Snip" |
| print "# Generated by : ./gcc/config/arc/genmultilib.awk" |
| print "# Generated from : ./gcc/config/arc/arc-cpu.def" |
| print "# Used by : tmake_file from Makefile and genmultilib" |
| print "" |
| } |
| } |
| |
| comment = 2; |
| |
| print |
| } |
| |
| /^$/ { |
| # The first empty line stops copy-pasting the GPL comments |
| # from this file to the generated file. |
| |
| comment = 0 |
| } |
| |
| |
| /^ARC_CPU/ { |
| name = $2 |
| # gsub ("\"", "", name) |
| |
| if ($4 != "0") |
| { |
| arch = $3 |
| if (arch == "6xx") |
| arch = 601 |
| |
| n = split ($4, cpu_flg, "|") |
| |
| line = "mcpu." arch |
| for (i = 1; i <= n; i++) |
| { |
| if (cpu_flg[i] == "FL_MPYOPT_0") |
| line = line "/mmpy-option.0" |
| else if (cpu_flg[i] == "FL_MPYOPT_1") |
| line = line "/mmpy-option.1" |
| else if (cpu_flg[i] == "FL_MPYOPT_2") |
| line = line "/mmpy-option.2" |
| else if (cpu_flg[i] == "FL_MPYOPT_3") |
| line = line "/mmpy-option.3" |
| else if (cpu_flg[i] == "FL_MPYOPT_4") |
| line = line "/mmpy-option.4" |
| else if (cpu_flg[i] == "FL_MPYOPT_5") |
| line = line "/mmpy-option.5" |
| else if (cpu_flg[i] == "FL_MPYOPT_6") |
| line = line "/mmpy-option.6" |
| else if (cpu_flg[i] == "FL_MPYOPT_7") |
| line = line "/mmpy-option.7" |
| else if (cpu_flg[i] == "FL_MPYOPT_8") |
| line = line "/mmpy-option.8" |
| else if (cpu_flg[i] == "FL_MPYOPT_9") |
| line = line "/mmpy-option.9" |
| else if (cpu_flg[i] == "FL_CD") |
| line = line "/mcode-density" |
| else if (cpu_flg[i] == "FL_BS") |
| line = line "/mbarrel-shifter" |
| else if (cpu_flg[i] == "FL_DIVREM") |
| line = line "/mdiv-rem" |
| else if (cpu_flg[i] == "FL_NORM" \ |
| || cpu_flg[i] == "FL_SWAP") |
| line = line "/mnorm" |
| else if (cpu_flg[i] == "FL_FPU_FPUS") |
| line = line "/mfpu.fpus" |
| else if (cpu_flg[i] == "FL_FPU_FPUDA") |
| line = line "/mfpu.fpuda" |
| else if (cpu_flg[i] == "FL_FPU_FPUD_ALL") |
| line = line "/mfpu.fpud_all" |
| else if (cpu_flg[i] == "FL_LL64") |
| line = line "/mll64" |
| else if (cpu_flg[i] == "FL_MUL64") |
| line = line "/mmul64" |
| else if (cpu_flg[i] == "FL_MUL32x16") |
| line = line "/mmul32x16" |
| else if (cpu_flg[i] == "FL_FPX_QUARK") |
| line = line "/quark" |
| else if (cpu_flg[i] == "FL_SPFP") |
| line = line "/spfp" |
| else if (cpu_flg[i] == "FL_DPFP") |
| line = line "/dpfp" |
| else if (cpu_flg[i] == "FL_RF16") |
| line = line "/mrf16" |
| else |
| { |
| print "Don't know the flag " cpu_flg[i] > "/dev/stderr" |
| exit 1 |
| } |
| } |
| line = "mcpu." name "=" line |
| reuse[n_reuse] = line |
| n_reuse++ |
| } |
| |
| core = name |
| cores[n_cores] = core |
| n_cores++ |
| } |
| |
| ################################################################## |
| # |
| # We gathered all the Information, now build/output the following: |
| # |
| # awk Variable target Variable FORMAT |
| # ----------------------------------------------------------- |
| # m_options <-> MULTILIB_OPTIONS Makefile |
| # m_dirnames <-> MULTILIB_DIRNAMES " |
| # |
| ################################################################## |
| |
| END { |
| m_options = "\nMULTILIB_OPTIONS = " |
| m_dirnames = "\nMULTILIB_DIRNAMES =" |
| m_reuse = "\nMULTILIB_REUSE =" |
| |
| sep = "" |
| for (c = 0; c < n_cores; c++) |
| { |
| m_options = m_options sep "mcpu=" cores[c] |
| m_dirnames = m_dirnames " " cores[c] |
| sep = "/" |
| } |
| |
| sep = "" |
| for (c = 0; c < n_reuse; c++) |
| { |
| m_reuse = m_reuse sep reuse[c] |
| sep = "\nMULTILIB_REUSE +=" |
| } |
| ############################################################ |
| # Output that Stuff |
| ############################################################ |
| |
| if (FORMAT == "Makefile") |
| { |
| # Intended Target: ./gcc/config/arc/t-multilib |
| |
| print m_options |
| print m_dirnames |
| |
| ############################################################ |
| # Legacy Aliases |
| ############################################################ |
| |
| print "" |
| print "# Aliases:" |
| print "MULTILIB_MATCHES = mcpu?arc600=mcpu?ARC600" |
| print "MULTILIB_MATCHES += mcpu?arc600=mARC600" |
| print "MULTILIB_MATCHES += mcpu?arc600=mA6" |
| print "MULTILIB_MATCHES += mcpu?arc601=mcpu?ARC601" |
| print "MULTILIB_MATCHES += mcpu?arc700=mA7" |
| print "MULTILIB_MATCHES += mcpu?arc700=mARC700" |
| } |
| } |