gcc/config/gcn/gcn-protos.h

   1 /* Copyright (C) 2016-2023 Free Software Foundation, Inc.
   2
   3    This file is free software; you can redistribute it and/or modify it under
   4    the terms of the GNU General Public License as published by the Free
   5    Software Foundation; either version 3 of the License, or (at your option)
   6    any later version.
   7
   8    This file is distributed in the hope that it will be useful, but WITHOUT
   9    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  10    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  11    for more details.
  12
  13    You should have received a copy of the GNU General Public License
  14    along with GCC; see the file COPYING3.  If not see
  15    <http://www.gnu.org/licenses/>.  */
  16
  17 #ifndef _GCN_PROTOS_
  18 #define _GCN_PROTOS_
  19
  20 extern void gcn_asm_output_symbol_ref (FILE *file, rtx x);
  21 extern tree gcn_builtin_decl (unsigned code, bool initialize_p);
  22 extern bool gcn_can_split_p (machine_mode, rtx);
  23 extern bool gcn_constant64_p (rtx);
  24 extern bool gcn_constant_p (rtx);
  25 extern rtx gcn_convert_mask_mode (rtx reg);
  26 extern unsigned int gcn_dwarf_register_number (unsigned int regno);
  27 extern rtx get_exec (int64_t);
  28 extern rtx get_exec (machine_mode mode);
  29 extern char * gcn_expand_dpp_shr_insn (machine_mode, const char *, int, int);
  30 extern void gcn_expand_epilogue ();
  31 extern rtx gcn_expand_scaled_offsets (addr_space_t as, rtx base, rtx offsets,
  32                                       rtx scale, bool unsigned_p, rtx exec);
  33 extern void gcn_expand_prologue ();
  34 extern rtx gcn_expand_reduc_scalar (machine_mode, rtx, int);
  35 extern rtx gcn_expand_scalar_to_vector_address (machine_mode, rtx, rtx, rtx);
  36 extern void gcn_expand_vector_init (rtx, rtx);
  37 extern bool gcn_flat_address_p (rtx, machine_mode);
  38 extern bool gcn_fp_constant_p (rtx, bool);
  39 extern rtx gcn_gen_undef (machine_mode);
  40 extern bool gcn_global_address_p (rtx);
  41 extern tree gcn_goacc_adjust_private_decl (location_t, tree var, int level);
  42 extern tree gcn_goacc_create_worker_broadcast_record (tree record_type,
  43                                                       bool sender,
  44                                                       const char *name,
  45                                                       unsigned HOST_WIDE_INT offset);
  46 extern void gcn_goacc_reduction (gcall *call);
  47 extern bool gcn_hard_regno_rename_ok (unsigned int from_reg,
  48                                       unsigned int to_reg);
  49 extern machine_mode gcn_hard_regno_caller_save_mode (unsigned int regno,
  50                                                      unsigned int nregs,
  51                                                      machine_mode regmode);
  52 extern bool gcn_hard_regno_mode_ok (int regno, machine_mode mode);
  53 extern int gcn_hard_regno_nregs (int regno, machine_mode mode);
  54 extern void gcn_hsa_declare_function_name (FILE *file, const char *name,
  55                                            tree decl);
  56 extern HOST_WIDE_INT gcn_initial_elimination_offset (int, int);
  57 extern REAL_VALUE_TYPE gcn_dconst1over2pi (void);
  58 extern bool gcn_inline_constant64_p (rtx, bool);
  59 extern bool gcn_inline_constant_p (rtx);
  60 extern int gcn_inline_fp_constant_p (rtx, bool);
  61 extern reg_class gcn_mode_code_base_reg_class (machine_mode, addr_space_t,
  62                                                int, int);
  63 extern rtx gcn_oacc_dim_pos (int dim);
  64 extern rtx gcn_oacc_dim_size (int dim);
  65 extern rtx gcn_operand_doublepart (machine_mode, rtx, int);
  66 extern rtx gcn_operand_part (machine_mode, rtx, int);
  67 extern bool gcn_regno_mode_code_ok_for_base_p (int, machine_mode,
  68                                                addr_space_t, int, int);
  69 extern reg_class gcn_regno_reg_class (int regno);
  70 extern bool gcn_scalar_flat_address_p (rtx);
  71 extern bool gcn_scalar_flat_mem_p (rtx);
  72 extern bool gcn_sgpr_move_p (rtx, rtx);
  73 extern bool gcn_valid_move_p (machine_mode, rtx, rtx);
  74 extern rtx gcn_vec_constant (machine_mode, int);
  75 extern rtx gcn_vec_constant (machine_mode, rtx);
  76 extern bool gcn_vgpr_move_p (rtx, rtx);
  77 extern void print_operand_address (FILE *file, rtx addr);
  78 extern void print_operand (FILE *file, rtx x, int code);
  79 extern bool regno_ok_for_index_p (int);
  80
  81 enum gcn_cvt_t
  82 {
  83   fix_trunc_cvt,
  84   fixuns_trunc_cvt,
  85   float_cvt,
  86   floatuns_cvt,
  87   extend_cvt,
  88   trunc_cvt
  89 };
  90
  91 extern bool gcn_valid_cvt_p (machine_mode from, machine_mode to,
  92                              enum gcn_cvt_t op);
  93
  94 #ifdef TREE_CODE
  95 extern void gcn_init_cumulative_args (CUMULATIVE_ARGS *, tree, rtx, tree,
  96                                       int);
  97 class gimple_opt_pass;
  98 extern gimple_opt_pass *make_pass_omp_gcn (gcc::context *ctxt);
  99 #endif
 100
 101 /* Return true if MODE is valid for 1 VGPR register.  */
 102
 103 inline bool
 104 vgpr_1reg_mode_p (machine_mode mode)
 105 {
 106   if (VECTOR_MODE_P (mode))
 107     mode = GET_MODE_INNER (mode);
 108
 109   return (mode == SImode || mode == SFmode || mode == HImode || mode == HFmode
 110           || mode == QImode || mode == BImode);
 111 }
 112
 113 /* Return true if MODE is valid for 1 SGPR register.  */
 114
 115 inline bool
 116 sgpr_1reg_mode_p (machine_mode mode)
 117 {
 118   return (mode == SImode || mode == SFmode || mode == HImode
 119           || mode == QImode || mode == BImode);
 120 }
 121
 122 /* Return true if MODE is valid for pair of VGPR registers.  */
 123
 124 inline bool
 125 vgpr_2reg_mode_p (machine_mode mode)
 126 {
 127   if (VECTOR_MODE_P (mode))
 128     mode = GET_MODE_INNER (mode);
 129
 130   return (mode == DImode || mode == DFmode);
 131 }
 132
 133 /* Return true if MODE can be handled directly by VGPR operations.  */
 134
 135 inline bool
 136 vgpr_vector_mode_p (machine_mode mode)
 137 {
 138   return VECTOR_MODE_P (mode);
 139 }
 140
 141
 142 /* Return true if MODE is valid for pair of SGPR registers.  */
 143
 144 inline bool
 145 sgpr_2reg_mode_p (machine_mode mode)
 146 {
 147   return mode == DImode || mode == DFmode;
 148 }
 149
 150 #endif