1 /* Definitions for option handling of Andes NDS32 cpu for GNU compiler
2    Copyright (C) 2012-2019 Free Software Foundation, Inc.
3    Contributed by Andes Technology Corporation.
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
9    by the Free Software Foundation; either version 3, or (at your
10    option) 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 #ifndef NDS32_OPTS_H
22 #define NDS32_OPTS_H
23 
24 #define NDS32_DEFAULT_CACHE_BLOCK_SIZE 16
25 #define NDS32_DEFAULT_ISR_VECTOR_SIZE (TARGET_ISA_V3 ? 4 : 16)
26 
27 /* The various ANDES ISA.  */
28 enum nds32_arch_type
29 {
30   ARCH_V2,
31   ARCH_V3,
32   ARCH_V3J,
33   ARCH_V3M,
34   ARCH_V3F,
35   ARCH_V3S
36 };
37 
38 /* The various ANDES CPU.  */
39 enum nds32_cpu_type
40 {
41   CPU_N6,
42   CPU_N7,
43   CPU_N8,
44   CPU_E8,
45   CPU_N9,
46   CPU_N10,
47   CPU_GRAYWOLF,
48   CPU_N12,
49   CPU_N13,
50   CPU_SIMPLE
51 };
52 
53 /* The code model defines the address generation strategy.  */
54 enum nds32_cmodel_type
55 {
56   CMODEL_SMALL,
57   CMODEL_MEDIUM,
58   CMODEL_LARGE
59 };
60 
61 /* The code model defines the address generation strategy.  */
62 enum nds32_ict_model_type
63 {
64   ICT_MODEL_SMALL,
65   ICT_MODEL_LARGE
66 };
67 
68 /* Multiply instruction configuration.  */
69 enum nds32_mul_type
70 {
71   MUL_TYPE_FAST_1,
72   MUL_TYPE_FAST_2,
73   MUL_TYPE_SLOW
74 };
75 
76 /* Register ports configuration.  */
77 enum nds32_register_ports
78 {
79   REG_PORT_3R2W,
80   REG_PORT_2R1W
81 };
82 
83 /* Which ABI to use.  */
84 enum abi_type
85 {
86   NDS32_ABI_V2,
87   NDS32_ABI_V2_FP_PLUS
88 };
89 
90 /* The various FPU number of registers.  */
91 enum float_reg_number
92 {
93   NDS32_CONFIG_FPU_0,
94   NDS32_CONFIG_FPU_1,
95   NDS32_CONFIG_FPU_2,
96   NDS32_CONFIG_FPU_3,
97   NDS32_CONFIG_FPU_4,
98   NDS32_CONFIG_FPU_5,
99   NDS32_CONFIG_FPU_6,
100   NDS32_CONFIG_FPU_7
101 };
102 
103 #endif
104