]>
Commit | Line | Data |
---|---|---|
7e60c24c | 1 | /* LoongArch-specific code for C family languages. |
2 | Copyright (C) 2021-2022 Free Software Foundation, Inc. | |
3 | Contributed by Loongson Ltd. | |
4 | ||
5 | This file is part of GCC. | |
6 | ||
7 | GCC is free software; you can redistribute it and/or modify | |
8 | it 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, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public 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 | #include "c-family/c-common.h" | |
28 | #include "cpplib.h" | |
29 | ||
30 | #define preprocessing_asm_p() (cpp_get_options (pfile)->lang == CLK_ASM) | |
31 | #define builtin_define(TXT) cpp_define (pfile, TXT) | |
32 | #define builtin_assert(TXT) cpp_assert (pfile, TXT) | |
33 | ||
34 | /* Define preprocessor macros for the -march and -mtune options. | |
35 | PREFIX is either _LOONGARCH_ARCH or _LOONGARCH_TUNE, INFO is | |
36 | the selected processor. If INFO's canonical name is "foo", | |
37 | define PREFIX to be "foo", and define an additional macro | |
38 | PREFIX_FOO. */ | |
39 | #define LARCH_CPP_SET_PROCESSOR(PREFIX, CPU_TYPE) \ | |
40 | do \ | |
41 | { \ | |
42 | char *macro, *p; \ | |
43 | int cpu_type = (CPU_TYPE); \ | |
44 | \ | |
45 | macro = concat ((PREFIX), "_", \ | |
46 | loongarch_cpu_strings[cpu_type], NULL); \ | |
47 | for (p = macro; *p != 0; p++) \ | |
48 | *p = TOUPPER (*p); \ | |
49 | \ | |
50 | builtin_define (macro); \ | |
51 | builtin_define_with_value ((PREFIX), \ | |
52 | loongarch_cpu_strings[cpu_type], 1); \ | |
53 | free (macro); \ | |
54 | } \ | |
55 | while (0) | |
56 | ||
57 | void | |
58 | loongarch_cpu_cpp_builtins (cpp_reader *pfile) | |
59 | { | |
60 | builtin_assert ("machine=loongarch"); | |
61 | builtin_assert ("cpu=loongarch"); | |
62 | builtin_define ("__loongarch__"); | |
63 | ||
64 | LARCH_CPP_SET_PROCESSOR ("_LOONGARCH_ARCH", LARCH_ACTUAL_ARCH); | |
65 | LARCH_CPP_SET_PROCESSOR ("_LOONGARCH_TUNE", LARCH_ACTUAL_TUNE); | |
66 | ||
67 | /* Base architecture / ABI. */ | |
68 | if (TARGET_64BIT) | |
69 | { | |
70 | builtin_define ("__loongarch_grlen=64"); | |
71 | builtin_define ("__loongarch64"); | |
72 | } | |
73 | ||
74 | if (TARGET_ABI_LP64) | |
75 | { | |
76 | builtin_define ("_ABILP64=3"); | |
77 | builtin_define ("_LOONGARCH_SIM=_ABILP64"); | |
78 | builtin_define ("__loongarch_lp64"); | |
79 | } | |
80 | ||
81 | /* These defines reflect the ABI in use, not whether the | |
82 | FPU is directly accessible. */ | |
83 | if (TARGET_DOUBLE_FLOAT_ABI) | |
84 | builtin_define ("__loongarch_double_float=1"); | |
85 | else if (TARGET_SINGLE_FLOAT_ABI) | |
86 | builtin_define ("__loongarch_single_float=1"); | |
87 | ||
88 | if (TARGET_DOUBLE_FLOAT_ABI || TARGET_SINGLE_FLOAT_ABI) | |
89 | builtin_define ("__loongarch_hard_float=1"); | |
90 | else | |
91 | builtin_define ("__loongarch_soft_float=1"); | |
92 | ||
93 | ||
94 | /* ISA Extensions. */ | |
95 | if (TARGET_DOUBLE_FLOAT) | |
96 | builtin_define ("__loongarch_frlen=64"); | |
97 | else if (TARGET_SINGLE_FLOAT) | |
98 | builtin_define ("__loongarch_frlen=32"); | |
99 | else | |
100 | builtin_define ("__loongarch_frlen=0"); | |
101 | ||
102 | /* Native Data Sizes. */ | |
103 | builtin_define_with_int_value ("_LOONGARCH_SZINT", INT_TYPE_SIZE); | |
104 | builtin_define_with_int_value ("_LOONGARCH_SZLONG", LONG_TYPE_SIZE); | |
105 | builtin_define_with_int_value ("_LOONGARCH_SZPTR", POINTER_SIZE); | |
106 | builtin_define_with_int_value ("_LOONGARCH_FPSET", 32); | |
107 | builtin_define_with_int_value ("_LOONGARCH_SPFPSET", 32); | |
108 | ||
109 | } |