1/* Subroutines for the gcc driver.
2   Copyright (C) 2016-2020 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#define IN_TARGET_CODE 1
22
23#include "config.h"
24#include "system.h"
25#include "coretypes.h"
26#include "tm.h"
27
28/* Returns command line parameters to pass to as.  */
29
30const char*
31arc_cpu_to_as (int argc, const char **argv)
32{
33  const char *name = NULL;
34  const arc_cpu_t *arc_selected_cpu;
35
36  /* No argument, check what is the default cpu.  */
37  if (argc == 0)
38    {
39      arc_selected_cpu = &arc_cpu_types[(int) TARGET_CPU_DEFAULT];
40    }
41  else
42    {
43      name = argv[0];
44      for (arc_selected_cpu = arc_cpu_types; arc_selected_cpu->name;
45	   arc_selected_cpu++)
46	{
47	  if (strcmp (arc_selected_cpu->name, name) == 0)
48	    break;
49	}
50    }
51
52  switch (arc_selected_cpu->arch_info->arch_id)
53    {
54    case BASE_ARCH_em:
55      if (arc_selected_cpu->flags & FL_CD)
56	name = "-mcode-density";
57      else
58	name = "";
59      if (arc_selected_cpu->flags & FL_FPUDA)
60	name = concat ("-mfpuda ", name, NULL);
61      if (arc_selected_cpu->flags & FL_SPFP)
62	name = concat ("-mspfp ", name, NULL);
63      if (arc_selected_cpu->flags & FL_DPFP)
64	name = concat ("-mdpfp ", name, NULL);
65      return concat ("-mcpu=arcem ", name, NULL);
66    case BASE_ARCH_hs:
67      return "-mcpu=archs";
68    case BASE_ARCH_700:
69      if (arc_selected_cpu->processor == PROCESSOR_nps400)
70	return "-mcpu=nps400 -mEA";
71      else
72	return "-mcpu=arc700 -mEA";
73    case BASE_ARCH_6xx:
74      if (arc_selected_cpu->flags & FL_MUL64)
75	return "-mcpu=arc600 -mmul64 -mnorm";
76      if (arc_selected_cpu->flags & FL_MUL32x16)
77	return "-mcpu=arc600 -mdsp-packa -mnorm";
78      return "-mcpu=arc600 -mnorm";
79    default:
80      gcc_unreachable ();
81    }
82  return NULL;
83}
84