Mercurial > hg > CbC > CbC_gcc

comparison gcc/common/config/nds32/nds32-common.c @ 131:84e7813d76e9

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
gcc-8.2
author mir3636
date Thu, 25 Oct 2018 07:37:49 +0900
parents 04ced10e8804
children 1830386684a0
comparison
equal deleted inserted replaced
111:04ced10e8804 131:84e7813d76e9
1 /* Common hooks of Andes NDS32 cpu for GNU compiler 1 /* Common hooks of Andes NDS32 cpu for GNU compiler
2 Copyright (C) 2012-2017 Free Software Foundation, Inc. 2 Copyright (C) 2012-2018 Free Software Foundation, Inc.
3 Contributed by Andes Technology Corporation. 3 Contributed by Andes Technology Corporation.
4 4
5 This file is part of GCC. 5 This file is part of GCC.
6 6
7 GCC is free software; you can redistribute it and/or modify it 7 GCC is free software; you can redistribute it and/or modify it
51 return false; 51 return false;
52 } 52 }
53 53
54 return true; 54 return true;
55 55
56 case OPT_misr_secure_:
57 /* Check the valid security level: 0 1 2 3. */
58 if (value < 0 || value > 3)
59 {
60 error_at (loc, "for the option -misr-secure=X, the valid X "
61 "must be: 0, 1, 2, or 3");
62 return false;
63 }
64 return true;
65
56 case OPT_mcache_block_size_: 66 case OPT_mcache_block_size_:
57 /* Check valid value: 4 8 16 32 64 128 256 512. */ 67 /* Check valid value: 4 8 16 32 64 128 256 512. */
58 if (exact_log2 (value) < 2 || exact_log2 (value) > 9) 68 if (exact_log2 (value) < 2 || exact_log2 (value) > 9)
59 { 69 {
60 error_at (loc, "for the option -mcache-block-size=X, the valid X " 70 error_at (loc, "for the option -mcache-block-size=X, the valid X "
72 /* ------------------------------------------------------------------------ */ 82 /* ------------------------------------------------------------------------ */
73 83
74 /* Implement TARGET_OPTION_OPTIMIZATION_TABLE. */ 84 /* Implement TARGET_OPTION_OPTIMIZATION_TABLE. */
75 static const struct default_options nds32_option_optimization_table[] = 85 static const struct default_options nds32_option_optimization_table[] =
76 { 86 {
87 #if TARGET_LINUX_ABI == 0
88 /* Disable -fdelete-null-pointer-checks by default in ELF toolchain. */
89 { OPT_LEVELS_ALL, OPT_fdelete_null_pointer_checks,
90 NULL, 0 },
91 #endif
77 /* Enable -fsched-pressure by default at -O1 and above. */ 92 /* Enable -fsched-pressure by default at -O1 and above. */
78 { OPT_LEVELS_1_PLUS, OPT_fsched_pressure, NULL, 1 }, 93 { OPT_LEVELS_1_PLUS, OPT_fsched_pressure, NULL, 1 },
79 /* Enable -fomit-frame-pointer by default at all optimization levels. */ 94 /* Enable -fomit-frame-pointer by default at all optimization levels. */
80 { OPT_LEVELS_ALL, OPT_fomit_frame_pointer, NULL, 1 }, 95 { OPT_LEVELS_ALL, OPT_fomit_frame_pointer, NULL, 1 },
96 /* Enable -mrelax-hint by default at all optimization levels. */
97 { OPT_LEVELS_ALL, OPT_mrelax_hint, NULL, 1 },
98 /* Enalbe -malways-align by default at -O1 and above, but not -Os or -Og. */
99 { OPT_LEVELS_1_PLUS_SPEED_ONLY, OPT_malways_align, NULL, 1 },
81 /* Enable -mv3push by default at -Os, but it is useless under V2 ISA. */ 100 /* Enable -mv3push by default at -Os, but it is useless under V2 ISA. */
82 { OPT_LEVELS_SIZE, OPT_mv3push, NULL, 1 }, 101 { OPT_LEVELS_SIZE, OPT_mv3push, NULL, 1 },
83 102
84 { OPT_LEVELS_NONE, 0, NULL, 0 } 103 { OPT_LEVELS_NONE, 0, NULL, 0 }
85 }; 104 };
86 105
87 /* ------------------------------------------------------------------------ */ 106 /* ------------------------------------------------------------------------ */
107
108 /* Implement TARGET_EXCEPT_UNWIND_INFO. */
109 static enum unwind_info_type
110 nds32_except_unwind_info (struct gcc_options *opts ATTRIBUTE_UNUSED)
111 {
112 if (TARGET_LINUX_ABI)
113 return UI_DWARF2;
114
115 return UI_SJLJ;
116 }
117
118 /* ------------------------------------------------------------------------ */
119
88 120
89 /* Run-time Target Specification. */ 121 /* Run-time Target Specification. */
90 122
91 /* The default target flags consist of 123 /* The default target flags consist of
92 TARGET_CPU_DEFAULT and other MASK_XXX flags. 124 TARGET_CPU_DEFAULT and other MASK_XXX flags.
95 the process of 'configure' and 'make' stage. 127 the process of 'configure' and 'make' stage.
96 Please check gcc/config.gcc for more implementation detail. 128 Please check gcc/config.gcc for more implementation detail.
97 129
98 Other MASK_XXX flags are set individually. 130 Other MASK_XXX flags are set individually.
99 By default we enable 131 By default we enable
100 TARGET_16_BIT : Generate 16/32 bit mixed length instruction. 132 TARGET_16_BIT : Generate 16/32 bit mixed length instruction.
101 TARGET_PERF_EXT : Generate performance extention instrcution. 133 TARGET_EXT_PERF : Generate performance extention instrcution.
102 TARGET_CMOV : Generate conditional move instruction. */ 134 TARGET_EXT_PERF2 : Generate performance extention version 2 instrcution.
135 TARGET_EXT_STRING : Generate string extention instrcution.
136 TARGET_HW_ABS : Generate hardware abs instruction.
137 TARGET_CMOV : Generate conditional move instruction. */
103 #undef TARGET_DEFAULT_TARGET_FLAGS 138 #undef TARGET_DEFAULT_TARGET_FLAGS
104 #define TARGET_DEFAULT_TARGET_FLAGS \ 139 #define TARGET_DEFAULT_TARGET_FLAGS \
105 (TARGET_CPU_DEFAULT \ 140 (TARGET_CPU_DEFAULT \
141 | TARGET_DEFAULT_FPU_ISA \
142 | TARGET_DEFAULT_FPU_FMA \
106 | MASK_16_BIT \ 143 | MASK_16_BIT \
107 | MASK_PERF_EXT \ 144 | MASK_EXT_PERF \
145 | MASK_EXT_PERF2 \
146 | MASK_EXT_STRING \
147 | MASK_HW_ABS \
108 | MASK_CMOV) 148 | MASK_CMOV)
109 149
110 #undef TARGET_HANDLE_OPTION 150 #undef TARGET_HANDLE_OPTION
111 #define TARGET_HANDLE_OPTION nds32_handle_option 151 #define TARGET_HANDLE_OPTION nds32_handle_option
112 152
115 155
116 156
117 /* Defining the Output Assembler Language. */ 157 /* Defining the Output Assembler Language. */
118 158
119 #undef TARGET_EXCEPT_UNWIND_INFO 159 #undef TARGET_EXCEPT_UNWIND_INFO
120 #define TARGET_EXCEPT_UNWIND_INFO sjlj_except_unwind_info 160 #define TARGET_EXCEPT_UNWIND_INFO nds32_except_unwind_info
121 161
122 /* ------------------------------------------------------------------------ */ 162 /* ------------------------------------------------------------------------ */
123 163
124 struct gcc_targetm_common targetm_common = TARGETM_COMMON_INITIALIZER; 164 struct gcc_targetm_common targetm_common = TARGETM_COMMON_INITIALIZER;
125 165