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annotate gcc/config/s390/s390-protos.h @ 111:04ced10e8804

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gcc 7
author kono
date Fri, 27 Oct 2017 22:46:09 +0900
parents f6334be47118
children 84e7813d76e9
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1 /* Definitions of target machine for GNU compiler, for IBM S/390.
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2 Copyright (C) 2000-2017 Free Software Foundation, Inc.
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3
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4 Contributed by Hartmut Penner (hpenner@de.ibm.com)
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5
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6 This file is part of GCC.
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7
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8 GCC is free software; you can redistribute it and/or modify it under
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9 the terms of the GNU General Public License as published by the Free
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10 Software Foundation; either version 3, or (at your option) any later
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11 version.
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12
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13 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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14 WARRANTY; without even the implied warranty of MERCHANTABILITY or
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15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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16 for more details.
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17
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18 You should have received a copy of the GNU General Public License
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19 along with GCC; see the file COPYING3. If not see
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20 <http://www.gnu.org/licenses/>. */
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23
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77e2b8dfacca update it from 4.4.3 to 4.5.0
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24 /* Prototypes of functions used for constraint evaluation in
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25 constraints.c. */
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26
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27 extern int s390_mem_constraint (const char *str, rtx op);
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28 extern int s390_O_constraint_str (const char c, HOST_WIDE_INT value);
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29 extern int s390_N_constraint_str (const char *str, HOST_WIDE_INT value);
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30 extern int s390_float_const_zero_p (rtx value);
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31 extern bool s390_check_symref_alignment (rtx addr, HOST_WIDE_INT alignment);
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33
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34 /* In s390-common.c. */
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35 extern bool s390_handle_option (struct gcc_options *opts ATTRIBUTE_UNUSED,
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36 struct gcc_options *opts_set ATTRIBUTE_UNUSED,
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37 const struct cl_decoded_option *decoded,
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38 location_t loc);
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39
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40 /* Declare functions in s390.c. */
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41
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42 extern HOST_WIDE_INT s390_initial_elimination_offset (int, int);
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43 extern void s390_emit_prologue (void);
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44 extern void s390_emit_epilogue (bool);
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45 extern void s390_expand_split_stack_prologue (void);
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46 extern bool s390_can_use_simple_return_insn (void);
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47 extern bool s390_can_use_return_insn (void);
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48 extern void s390_function_profiler (FILE *, int);
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49 extern void s390_set_has_landing_pad_p (bool);
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50 extern bool s390_hard_regno_rename_ok (unsigned int, unsigned int);
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51 extern int s390_class_max_nregs (enum reg_class, machine_mode);
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52 extern bool s390_function_arg_vector (machine_mode, const_tree);
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53 #if S390_USE_TARGET_ATTRIBUTE
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54 extern tree s390_valid_target_attribute_tree (tree args,
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55 struct gcc_options *opts,
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56 const struct gcc_options
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57 *opts_set, bool is_pragma);
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58 extern void s390_activate_target_options (tree new_tree);
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59 extern void
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60 s390_asm_output_function_prefix (FILE *asm_out_file,
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61 const char *fnname ATTRIBUTE_UNUSED);
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62 extern void
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63 s390_asm_declare_function_size (FILE *asm_out_file,
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64 const char *fnname ATTRIBUTE_UNUSED, tree decl);
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65 #endif
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67 #ifdef RTX_CODE
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68 extern int s390_extra_constraint_str (rtx, int, const char *);
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69 extern int s390_const_ok_for_constraint_p (HOST_WIDE_INT, int, const char *);
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70 extern int s390_const_double_ok_for_constraint_p (rtx, int, const char *);
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71 extern int s390_single_part (rtx, machine_mode, machine_mode, int);
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72 extern unsigned HOST_WIDE_INT s390_extract_part (rtx, machine_mode, int);
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73 extern bool s390_contiguous_bitmask_p (unsigned HOST_WIDE_INT, bool, int, int *, int *);
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74 extern bool s390_contiguous_bitmask_vector_p (rtx, int *, int *);
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75 extern bool s390_bytemask_vector_p (rtx, unsigned *);
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76 extern bool s390_split_ok_p (rtx, rtx, machine_mode, int);
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77 extern bool s390_overlap_p (rtx, rtx, HOST_WIDE_INT);
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78 extern bool s390_offset_p (rtx, rtx, rtx);
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79 extern bool s390_rel_address_ok_p (rtx);
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80 extern int tls_symbolic_operand (rtx);
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81
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82 extern bool s390_match_ccmode (rtx_insn *, machine_mode);
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83 extern machine_mode s390_tm_ccmode (rtx, rtx, bool);
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84 extern machine_mode s390_select_ccmode (enum rtx_code, rtx, rtx);
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85 extern rtx s390_emit_compare (enum rtx_code, rtx, rtx);
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86 extern rtx_insn *s390_emit_jump (rtx, rtx);
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87 extern bool symbolic_reference_mentioned_p (rtx);
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88 extern bool tls_symbolic_reference_mentioned_p (rtx);
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89 extern bool legitimate_la_operand_p (rtx);
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90 extern bool preferred_la_operand_p (rtx, rtx);
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91 extern int legitimate_pic_operand_p (rtx);
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92 extern bool legitimate_reload_constant_p (rtx);
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93 extern rtx legitimize_pic_address (rtx, rtx);
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94 extern rtx legitimize_reload_address (rtx, machine_mode, int, int);
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95 extern enum reg_class s390_secondary_input_reload_class (enum reg_class,
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96 machine_mode,
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97 rtx);
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98 extern enum reg_class s390_secondary_output_reload_class (enum reg_class,
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99 machine_mode,
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100 rtx);
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101 extern void s390_reload_larl_operand (rtx , rtx , rtx);
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102 extern void s390_reload_symref_address (rtx , rtx , rtx , bool);
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103 extern void s390_expand_plus_operand (rtx, rtx, rtx);
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104 extern void emit_symbolic_move (rtx *);
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105 extern void s390_load_address (rtx, rtx);
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106 extern bool s390_expand_movmem (rtx, rtx, rtx);
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107 extern void s390_expand_setmem (rtx, rtx, rtx);
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108 extern bool s390_expand_cmpmem (rtx, rtx, rtx, rtx);
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109 extern void s390_expand_vec_strlen (rtx, rtx, rtx);
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110 extern void s390_expand_vec_movstr (rtx, rtx, rtx);
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111 extern bool s390_expand_addcc (enum rtx_code, rtx, rtx, rtx, rtx, rtx);
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112 extern bool s390_expand_insv (rtx, rtx, rtx, rtx);
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113 extern void s390_expand_cs (machine_mode, rtx, rtx, rtx, rtx, rtx, bool);
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114 extern void s390_expand_atomic_exchange_tdsi (rtx, rtx, rtx);
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115 extern void s390_expand_atomic (machine_mode, enum rtx_code,
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116 rtx, rtx, rtx, bool);
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117 extern void s390_expand_tbegin (rtx, rtx, rtx, bool);
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118 extern void s390_expand_vec_compare (rtx, enum rtx_code, rtx, rtx);
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119 extern void s390_expand_vec_compare_cc (rtx, enum rtx_code, rtx, rtx, bool);
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120 extern enum rtx_code s390_reverse_condition (machine_mode, enum rtx_code);
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121 extern void s390_expand_vcond (rtx, rtx, rtx, enum rtx_code, rtx, rtx);
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122 extern void s390_expand_vec_init (rtx, rtx);
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123 extern rtx s390_return_addr_rtx (int, rtx);
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124 extern rtx s390_back_chain_rtx (void);
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125 extern rtx_insn *s390_emit_call (rtx, rtx, rtx, rtx);
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126 extern void s390_expand_logical_operator (enum rtx_code,
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127 machine_mode, rtx *);
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128 extern bool s390_logical_operator_ok_p (rtx *);
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129 extern void s390_narrow_logical_operator (enum rtx_code, rtx *, rtx *);
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130 extern void s390_split_access_reg (rtx, rtx *, rtx *);
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132 extern void print_operand_address (FILE *, rtx);
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133 extern void print_operand (FILE *, rtx, int);
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134 extern void s390_output_pool_entry (rtx, machine_mode, unsigned int);
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135 extern int s390_label_align (rtx_insn *);
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136 extern int s390_agen_dep_p (rtx_insn *, rtx_insn *);
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137 extern rtx_insn *s390_load_got (void);
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138 extern rtx s390_get_thread_pointer (void);
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139 extern void s390_emit_tpf_eh_return (rtx);
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140 extern bool s390_legitimate_address_without_index_p (rtx);
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141 extern bool s390_decompose_addrstyle_without_index (rtx, rtx *,
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142 HOST_WIDE_INT *);
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143 extern int s390_branch_condition_mask (rtx);
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144 extern int s390_compare_and_branch_condition_mask (rtx);
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145 extern bool s390_extzv_shift_ok (int, int, unsigned HOST_WIDE_INT);
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146 extern void s390_asm_output_function_label (FILE *, const char *, tree);
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148 #endif /* RTX_CODE */
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149
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150 /* s390-c.c routines */
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151 extern void s390_cpu_cpp_builtins (struct cpp_reader *);
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152 extern void s390_register_target_pragmas (void);
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153
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154 /* Routines for s390-c.c */
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155 extern bool s390_const_operand_ok (tree, int, int, tree);