1/* Copyright (C) 2016-2020 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
20extern void gcn_asm_output_symbol_ref (FILE *file, rtx x);
21extern tree gcn_builtin_decl (unsigned code, bool initialize_p);
22extern bool gcn_can_split_p (machine_mode, rtx);
23extern bool gcn_constant64_p (rtx);
24extern bool gcn_constant_p (rtx);
25extern rtx gcn_convert_mask_mode (rtx reg);
26extern char * gcn_expand_dpp_shr_insn (machine_mode, const char *, int, int);
27extern void gcn_expand_epilogue ();
28extern rtx gcn_expand_scaled_offsets (addr_space_t as, rtx base, rtx offsets,
29				      rtx scale, bool unsigned_p, rtx exec);
30extern void gcn_expand_prologue ();
31extern rtx gcn_expand_reduc_scalar (machine_mode, rtx, int);
32extern rtx gcn_expand_scalar_to_vector_address (machine_mode, rtx, rtx, rtx);
33extern void gcn_expand_vector_init (rtx, rtx);
34extern bool gcn_flat_address_p (rtx, machine_mode);
35extern bool gcn_fp_constant_p (rtx, bool);
36extern rtx gcn_full_exec ();
37extern rtx gcn_full_exec_reg ();
38extern rtx gcn_gen_undef (machine_mode);
39extern bool gcn_global_address_p (rtx);
40extern tree gcn_goacc_adjust_propagation_record (tree record_type, bool sender,
41						 const char *name);
42extern void gcn_goacc_adjust_gangprivate_decl (tree var);
43extern void gcn_goacc_reduction (gcall *call);
44extern bool gcn_hard_regno_rename_ok (unsigned int from_reg,
45				      unsigned int to_reg);
46extern machine_mode gcn_hard_regno_caller_save_mode (unsigned int regno,
47						     unsigned int nregs,
48						     machine_mode regmode);
49extern bool gcn_hard_regno_mode_ok (int regno, machine_mode mode);
50extern int gcn_hard_regno_nregs (int regno, machine_mode mode);
51extern void gcn_hsa_declare_function_name (FILE *file, const char *name,
52					   tree decl);
53extern HOST_WIDE_INT gcn_initial_elimination_offset (int, int);
54extern bool gcn_inline_constant64_p (rtx, bool);
55extern bool gcn_inline_constant_p (rtx);
56extern int gcn_inline_fp_constant_p (rtx, bool);
57extern reg_class gcn_mode_code_base_reg_class (machine_mode, addr_space_t,
58					       int, int);
59extern rtx gcn_oacc_dim_pos (int dim);
60extern rtx gcn_oacc_dim_size (int dim);
61extern rtx gcn_operand_doublepart (machine_mode, rtx, int);
62extern rtx gcn_operand_part (machine_mode, rtx, int);
63extern bool gcn_regno_mode_code_ok_for_base_p (int, machine_mode,
64					       addr_space_t, int, int);
65extern reg_class gcn_regno_reg_class (int regno);
66extern rtx gcn_scalar_exec ();
67extern rtx gcn_scalar_exec_reg ();
68extern bool gcn_scalar_flat_address_p (rtx);
69extern bool gcn_scalar_flat_mem_p (rtx);
70extern bool gcn_sgpr_move_p (rtx, rtx);
71extern bool gcn_valid_move_p (machine_mode, rtx, rtx);
72extern rtx gcn_vec_constant (machine_mode, int);
73extern rtx gcn_vec_constant (machine_mode, rtx);
74extern bool gcn_vgpr_move_p (rtx, rtx);
75extern void print_operand_address (FILE *file, register rtx addr);
76extern void print_operand (FILE *file, rtx x, int code);
77extern bool regno_ok_for_index_p (int);
78
79enum gcn_cvt_t
80{
81  fix_trunc_cvt,
82  fixuns_trunc_cvt,
83  float_cvt,
84  floatuns_cvt,
85  extend_cvt,
86  trunc_cvt
87};
88
89extern bool gcn_valid_cvt_p (machine_mode from, machine_mode to,
90			     enum gcn_cvt_t op);
91
92#ifdef TREE_CODE
93extern void gcn_init_cumulative_args (CUMULATIVE_ARGS *, tree, rtx, tree,
94				      int);
95class gimple_opt_pass;
96extern gimple_opt_pass *make_pass_omp_gcn (gcc::context *ctxt);
97#endif
98
99/* Return true if MODE is valid for 1 VGPR register.  */
100
101inline bool
102vgpr_1reg_mode_p (machine_mode mode)
103{
104  return (mode == SImode || mode == SFmode || mode == HImode || mode == QImode
105	  || mode == V64QImode || mode == V64HImode || mode == V64SImode
106	  || mode == V64HFmode || mode == V64SFmode || mode == BImode);
107}
108
109/* Return true if MODE is valid for 1 SGPR register.  */
110
111inline bool
112sgpr_1reg_mode_p (machine_mode mode)
113{
114  return (mode == SImode || mode == SFmode || mode == HImode
115	  || mode == QImode || mode == BImode);
116}
117
118/* Return true if MODE is valid for pair of VGPR registers.  */
119
120inline bool
121vgpr_2reg_mode_p (machine_mode mode)
122{
123  return (mode == DImode || mode == DFmode
124	  || mode == V64DImode || mode == V64DFmode);
125}
126
127/* Return true if MODE can be handled directly by VGPR operations.  */
128
129inline bool
130vgpr_vector_mode_p (machine_mode mode)
131{
132  return (mode == V64QImode || mode == V64HImode
133	  || mode == V64SImode || mode == V64DImode
134	  || mode == V64HFmode || mode == V64SFmode || mode == V64DFmode);
135}
136
137
138/* Return true if MODE is valid for pair of SGPR registers.  */
139
140inline bool
141sgpr_2reg_mode_p (machine_mode mode)
142{
143  return mode == DImode || mode == DFmode;
144}
145
146#endif
147