1 /* Subroutines for the gcc driver.
2 Copyright (C) 2016-2021 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
30 const char*
arc_cpu_to_as(int argc,const char ** argv)31 arc_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