1 /* Subroutines for the gcc driver. 2 Copyright (C) 2016-2017 Free Software Foundation, Inc. 3 Contributed by Claudiu Zissulescu <claziss@synopsys.com> 4 5 This file is part of GCC. 6 7 GCC is free software; you can redistribute it and/or modify it 8 under the terms of the GNU General Public License as published by 9 the Free Software Foundation; either version 3, or (at your option) 10 any later version. 11 12 GCC is distributed in the hope that it will be useful, but WITHOUT 13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 14 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public 15 License for more details. 16 17 You should have received a copy of the GNU General Public License 18 along with GCC; see the file COPYING3. If not see 19 <http://www.gnu.org/licenses/>. */ 20 21 #include "config.h" 22 #include "system.h" 23 #include "coretypes.h" 24 #include "tm.h" 25 26 /* Returns command line parameters to pass to as. */ 27 28 const char* 29 arc_cpu_to_as (int argc, const char **argv) 30 { 31 const char *name = NULL; 32 const arc_cpu_t *arc_selected_cpu; 33 34 /* No argument, check what is the default cpu. */ 35 if (argc == 0) 36 { 37 arc_selected_cpu = &arc_cpu_types[(int) TARGET_CPU_DEFAULT]; 38 } 39 else 40 { 41 name = argv[0]; 42 for (arc_selected_cpu = arc_cpu_types; arc_selected_cpu->name; 43 arc_selected_cpu++) 44 { 45 if (strcmp (arc_selected_cpu->name, name) == 0) 46 break; 47 } 48 } 49 50 switch (arc_selected_cpu->arch_info->arch_id) 51 { 52 case BASE_ARCH_em: 53 if (arc_selected_cpu->flags & FL_CD) 54 name = "-mcode-density"; 55 else 56 name = ""; 57 if (arc_selected_cpu->flags & FL_FPUDA) 58 name = concat ("-mfpuda ", name, NULL); 59 if (arc_selected_cpu->flags & FL_SPFP) 60 name = concat ("-mspfp ", name, NULL); 61 if (arc_selected_cpu->flags & FL_DPFP) 62 name = concat ("-mdpfp ", name, NULL); 63 return concat ("-mcpu=arcem ", name, NULL); 64 case BASE_ARCH_hs: 65 return "-mcpu=archs"; 66 case BASE_ARCH_700: 67 if (arc_selected_cpu->processor == PROCESSOR_nps400) 68 return "-mcpu=nps400 -mEA"; 69 else 70 return "-mcpu=arc700 -mEA"; 71 case BASE_ARCH_6xx: 72 if (arc_selected_cpu->flags & FL_MUL64) 73 return "-mcpu=arc600 -mmul64 -mnorm"; 74 if (arc_selected_cpu->flags & FL_MUL32x16) 75 return "-mcpu=arc600 -mdsp-packa -mnorm"; 76 return "-mcpu=arc600 -mnorm"; 77 default: 78 gcc_unreachable (); 79 } 80 return NULL; 81 } 82