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1 /* Prototypes for Blackfin functions used in the md file & elsewhere.
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2 Copyright (C) 2005, 2007, 2008 Free Software Foundation, Inc.
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3
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4 This file is part of GNU CC.
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5
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6 GNU CC is free software; you can redistribute it and/or modify
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7 it under the terms of the GNU General Public License as published by
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8 the Free Software Foundation; either version 3, or (at your option)
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9 any later version.
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10
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11 GNU CC is distributed in the hope that it will be useful,
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12 but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 GNU General Public License for more details.
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15
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16 You should have received a copy of the GNU General Public License
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17 along with GCC; see the file COPYING3. If not see
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18 <http://www.gnu.org/licenses/>. */
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19
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20 /* Function prototypes that cannot exist in bfin.h due to dependency
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21 complications. */
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22 #ifndef GCC_BFIN_PROTOS_H
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23 #define GCC_BFIN_PROTOS_H
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24
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25 /* CPU type. */
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26 typedef enum bfin_cpu_type
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27 {
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28 BFIN_CPU_UNKNOWN,
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29 BFIN_CPU_BF512,
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30 BFIN_CPU_BF514,
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31 BFIN_CPU_BF516,
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32 BFIN_CPU_BF518,
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33 BFIN_CPU_BF522,
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34 BFIN_CPU_BF523,
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35 BFIN_CPU_BF524,
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36 BFIN_CPU_BF525,
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37 BFIN_CPU_BF526,
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38 BFIN_CPU_BF527,
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39 BFIN_CPU_BF531,
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40 BFIN_CPU_BF532,
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41 BFIN_CPU_BF533,
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42 BFIN_CPU_BF534,
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43 BFIN_CPU_BF536,
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44 BFIN_CPU_BF537,
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45 BFIN_CPU_BF538,
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46 BFIN_CPU_BF539,
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47 BFIN_CPU_BF542,
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48 BFIN_CPU_BF544,
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49 BFIN_CPU_BF547,
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50 BFIN_CPU_BF548,
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51 BFIN_CPU_BF549,
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52 BFIN_CPU_BF561
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53 } bfin_cpu_t;
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54
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55 /* Value of -mcpu= */
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56 extern bfin_cpu_t bfin_cpu_type;
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57
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58 /* Value of -msi-revision= */
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59 extern int bfin_si_revision;
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60
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61 extern unsigned int bfin_workarounds;
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62
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63 /* For the anomaly 05-00-0245 */
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64 #define WA_SPECULATIVE_LOADS 0x00000001
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65 #define ENABLE_WA_SPECULATIVE_LOADS \
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66 (bfin_workarounds & WA_SPECULATIVE_LOADS)
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67
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68 /* For the anomaly 05-00-0244 */
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69 #define WA_SPECULATIVE_SYNCS 0x00000002
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70 #define ENABLE_WA_SPECULATIVE_SYNCS \
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71 (bfin_workarounds & WA_SPECULATIVE_SYNCS)
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72
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73 /* For the anomaly 05-00-0371 */
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74 #define WA_RETS 0x00000004
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75 #define ENABLE_WA_RETS \
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76 (bfin_workarounds & WA_RETS)
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77
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78 /* For the anomaly 05-00-0426 */
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79 #define WA_INDIRECT_CALLS 0x00000008
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80 #define ENABLE_WA_INDIRECT_CALLS \
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81 ((bfin_workarounds & WA_INDIRECT_CALLS) && !TARGET_ICPLB)
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82
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83 #define WA_05000257 0x00000040
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84 #define ENABLE_WA_05000257 \
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85 (bfin_workarounds & WA_05000257)
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86
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87 #define WA_05000283 0x00000010
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88 #define ENABLE_WA_05000283 \
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89 (bfin_workarounds & WA_05000283)
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90
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91 #define WA_05000315 0x00000020
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92 #define ENABLE_WA_05000315 \
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93 (bfin_workarounds & WA_05000315)
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94
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95 #define Mmode enum machine_mode
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96
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97 extern rtx function_arg (CUMULATIVE_ARGS *, Mmode, tree, int);
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98 extern void function_arg_advance (CUMULATIVE_ARGS *, Mmode, tree, int);
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99 extern bool function_arg_regno_p (int);
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100
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101 extern const char *output_load_immediate (rtx *);
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102 extern const char *output_casesi_internal (rtx *);
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103 extern char *bfin_asm_long (void);
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104 extern char *bfin_asm_short (void);
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105 extern int log2constp (unsigned HOST_WIDE_INT);
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106
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107 extern rtx legitimize_address (rtx, rtx, Mmode);
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108 extern bool bfin_legitimate_constant_p (rtx);
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109 extern int hard_regno_mode_ok (int, Mmode);
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110 extern void init_cumulative_args (CUMULATIVE_ARGS *, tree, rtx);
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111 extern int bfin_frame_pointer_required (void);
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112 extern HOST_WIDE_INT bfin_initial_elimination_offset (int, int);
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113
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114 extern int effective_address_32bit_p (rtx, Mmode);
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115 extern int symbolic_reference_mentioned_p (rtx);
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116 extern rtx bfin_gen_compare (rtx, Mmode);
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117 extern bool expand_move (rtx *, Mmode);
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118 extern void bfin_expand_call (rtx, rtx, rtx, rtx, int);
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119 extern bool bfin_longcall_p (rtx, int);
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120 extern bool bfin_dsp_memref_p (rtx);
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121 extern bool bfin_expand_movmem (rtx, rtx, rtx, rtx);
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122
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123 extern void conditional_register_usage (void);
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124 extern int bfin_register_move_cost (enum machine_mode, enum reg_class,
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125 enum reg_class);
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126 extern int bfin_memory_move_cost (enum machine_mode, enum reg_class, int in);
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127 extern enum reg_class secondary_input_reload_class (enum reg_class, Mmode,
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128 rtx);
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129 extern enum reg_class secondary_output_reload_class (enum reg_class, Mmode,
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130 rtx);
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131 extern char *section_asm_op_1 (SECT_ENUM_T);
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132 extern char *section_asm_op (SECT_ENUM_T);
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133 extern void override_options (void);
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134 extern void print_operand (FILE *, rtx, char);
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135 extern void print_address_operand (FILE *, rtx);
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136 extern void split_di (rtx [], int, rtx [], rtx []);
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137 extern int split_load_immediate (rtx []);
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138 extern void emit_pic_move (rtx *, Mmode);
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139 extern void override_options (void);
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140 extern void asm_conditional_branch (rtx, rtx *, int, int);
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141 extern rtx bfin_gen_compare (rtx, Mmode);
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142
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143 extern int bfin_local_alignment (tree, int);
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144 extern void initialize_trampoline (rtx, rtx, rtx);
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145 extern bool bfin_legitimate_address_p (Mmode, rtx, int);
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146 extern rtx bfin_va_arg (tree, tree);
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147
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148 extern void bfin_expand_prologue (void);
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149 extern void bfin_expand_epilogue (int, int, bool);
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150 extern int push_multiple_operation (rtx, Mmode);
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151 extern int pop_multiple_operation (rtx, Mmode);
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152 extern void output_push_multiple (rtx, rtx *);
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153 extern void output_pop_multiple (rtx, rtx *);
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154 extern int bfin_hard_regno_rename_ok (unsigned int, unsigned int);
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155 extern rtx bfin_return_addr_rtx (int);
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156 extern void bfin_hardware_loop (void);
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157 #undef Mmode
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158
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159 #endif
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160
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