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5fd1486c | 1 | /* brig-util.h -- gccbrig utility functions |
8d9254fc | 2 | Copyright (C) 2016-2020 Free Software Foundation, Inc. |
5fd1486c PJ |
3 | Contributed by Pekka Jaaskelainen <pekka.jaaskelainen@parmance.com> |
4 | for General Processor Tech. | |
5 | ||
6 | This file is part of GCC. | |
7 | ||
8 | GCC is free software; you can redistribute it and/or modify it under | |
9 | the terms of the GNU General Public License as published by the Free | |
10 | Software Foundation; either version 3, or (at your option) any later | |
11 | version. | |
12 | ||
13 | GCC is distributed in the hope that it will be useful, but WITHOUT ANY | |
14 | WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
15 | FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
16 | for more details. | |
17 | ||
18 | You should have received a copy of the GNU General Public License | |
19 | along with GCC; see the file COPYING3. If not see | |
20 | <http://www.gnu.org/licenses/>. */ | |
21 | ||
22 | #ifndef GCC_BRIG_UTIL_H | |
23 | #define GCC_BRIG_UTIL_H | |
24 | ||
d4b7f2ee | 25 | #include <map> |
dc03239c | 26 | #include <vector> |
d4b7f2ee PJ |
27 | |
28 | #include "config.h" | |
29 | #include "system.h" | |
30 | #include "ansidecl.h" | |
31 | #include "coretypes.h" | |
32 | #include "opts.h" | |
33 | #include "tree.h" | |
34 | ||
dc03239c HL |
35 | /* There are 128 c regs and 2048 s/d/q regs each in the HSAIL. */ |
36 | #define BRIG_2_TREE_HSAIL_C_REG_COUNT (128) | |
37 | #define BRIG_2_TREE_HSAIL_S_REG_COUNT (2048) | |
38 | #define BRIG_2_TREE_HSAIL_D_REG_COUNT (2048) | |
39 | #define BRIG_2_TREE_HSAIL_Q_REG_COUNT (2048) | |
40 | #define BRIG_2_TREE_HSAIL_TOTAL_REG_COUNT \ | |
41 | (BRIG_2_TREE_HSAIL_C_REG_COUNT + BRIG_2_TREE_HSAIL_S_REG_COUNT \ | |
42 | + BRIG_2_TREE_HSAIL_D_REG_COUNT + BRIG_2_TREE_HSAIL_Q_REG_COUNT) | |
43 | ||
d4b7f2ee PJ |
44 | /* Helper class for keeping book of group variable offsets. */ |
45 | ||
46 | class group_variable_offset_index | |
47 | { | |
48 | public: | |
49 | group_variable_offset_index () : m_next_group_offset (0) {} | |
50 | ||
51 | typedef std::map<std::string, size_t> varname_offset_table; | |
52 | ||
53 | bool has_variable (const std::string &name) const; | |
54 | void add (const std::string &name, size_t size, size_t alignment); | |
55 | size_t segment_offset (const std::string &name) const; | |
56 | size_t size () const { return m_next_group_offset; } | |
57 | ||
58 | private: | |
59 | size_t m_next_group_offset; | |
60 | varname_offset_table m_group_offsets; | |
61 | }; | |
5fd1486c PJ |
62 | |
63 | bool gccbrig_hsa_opcode_op_output_p (BrigOpcode16_t opcode, int opnum); | |
64 | ||
65 | unsigned gccbrig_hsa_type_bit_size (BrigType16_t t); | |
66 | ||
67 | uint64_t gccbrig_to_uint64_t (const BrigUInt64 &brig_type); | |
68 | ||
69 | int gccbrig_reg_size (const BrigOperandRegister *brig_reg); | |
70 | ||
71 | std::string gccbrig_reg_name (const BrigOperandRegister *reg); | |
72 | ||
73 | std::string gccbrig_type_name (BrigType16_t type); | |
74 | ||
75 | std::string gccbrig_segment_name (BrigSegment8_t segment); | |
76 | ||
77 | bool gccbrig_is_float_type (BrigType16_t type); | |
78 | ||
79 | bool gccbrig_is_bit_operation (BrigOpcode16_t opcode); | |
80 | ||
81 | BrigType16_t gccbrig_tree_type_to_hsa_type (tree tree_type); | |
82 | tree gccbrig_tree_type_for_hsa_type (BrigType16_t brig_type); | |
83 | ||
84 | bool gccbrig_might_be_host_defined_var_p (const BrigDirectiveVariable *brigVar); | |
85 | ||
86 | /* From hsa.h. */ | |
87 | bool hsa_type_packed_p (BrigType16_t type); | |
88 | ||
dc03239c HL |
89 | struct reg_use_info |
90 | { | |
91 | /* This vector keeps count of the times an HSAIL register is used as | |
92 | a tree type in generic expressions. The count is used to select | |
93 | type for 'register' variables to reduce emission of | |
94 | VIEW_CONVERT_EXPR nodes. The data is kept in vector (insertion | |
95 | order) for determinism, in a case there is a tie with the | |
96 | counts. */ | |
97 | std::vector<std::pair<tree, size_t> > m_type_refs; | |
98 | /* Tree to index. Lookup for the above vector. */ | |
99 | std::map<tree, size_t> m_type_refs_lookup; | |
100 | }; | |
101 | ||
102 | /* key = hsa register entry generated by gccbrig_hsa_reg_id (). */ | |
103 | typedef std::map<size_t, reg_use_info> regs_use_index; | |
104 | ||
105 | size_t gccbrig_hsa_reg_id (const BrigOperandRegister ®); | |
106 | std::string gccbrig_hsa_reg_name_from_id (size_t reg_hash); | |
107 | ||
108 | void gccbrig_print_reg_use_info (FILE *dump, const regs_use_index &info); | |
109 | ||
e112bba2 RS |
110 | /* Return the number of elements in a VECTOR_TYPE. BRIG does not support |
111 | variable-length vectors. */ | |
112 | inline unsigned HOST_WIDE_INT | |
113 | gccbrig_type_vector_subparts (const_tree type) | |
114 | { | |
928686b1 | 115 | return TYPE_VECTOR_SUBPARTS (type).to_constant (); |
e112bba2 RS |
116 | } |
117 | ||
5fd1486c | 118 | #endif |