| /* brig-util.h -- gccbrig utility functions |
| Copyright (C) 2016-2020 Free Software Foundation, Inc. |
| Contributed by Pekka Jaaskelainen <pekka.jaaskelainen@parmance.com> |
| for General Processor Tech. |
| |
| This file is part of GCC. |
| |
| GCC is free software; you can redistribute it and/or modify it under |
| the terms of the GNU General Public License as published by the Free |
| Software Foundation; either version 3, or (at your option) any later |
| version. |
| |
| GCC is distributed in the hope that it will be useful, but WITHOUT ANY |
| WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with GCC; see the file COPYING3. If not see |
| <http://www.gnu.org/licenses/>. */ |
| |
| #ifndef GCC_BRIG_UTIL_H |
| #define GCC_BRIG_UTIL_H |
| |
| #include <map> |
| #include <vector> |
| |
| #include "config.h" |
| #include "system.h" |
| #include "ansidecl.h" |
| #include "coretypes.h" |
| #include "opts.h" |
| #include "tree.h" |
| |
| /* There are 128 c regs and 2048 s/d/q regs each in the HSAIL. */ |
| #define BRIG_2_TREE_HSAIL_C_REG_COUNT (128) |
| #define BRIG_2_TREE_HSAIL_S_REG_COUNT (2048) |
| #define BRIG_2_TREE_HSAIL_D_REG_COUNT (2048) |
| #define BRIG_2_TREE_HSAIL_Q_REG_COUNT (2048) |
| #define BRIG_2_TREE_HSAIL_TOTAL_REG_COUNT \ |
| (BRIG_2_TREE_HSAIL_C_REG_COUNT + BRIG_2_TREE_HSAIL_S_REG_COUNT \ |
| + BRIG_2_TREE_HSAIL_D_REG_COUNT + BRIG_2_TREE_HSAIL_Q_REG_COUNT) |
| |
| /* Helper class for keeping book of group variable offsets. */ |
| |
| class group_variable_offset_index |
| { |
| public: |
| group_variable_offset_index () : m_next_group_offset (0) {} |
| |
| typedef std::map<std::string, size_t> varname_offset_table; |
| |
| bool has_variable (const std::string &name) const; |
| void add (const std::string &name, size_t size, size_t alignment); |
| size_t segment_offset (const std::string &name) const; |
| size_t size () const { return m_next_group_offset; } |
| |
| private: |
| size_t m_next_group_offset; |
| varname_offset_table m_group_offsets; |
| }; |
| |
| bool gccbrig_hsa_opcode_op_output_p (BrigOpcode16_t opcode, int opnum); |
| |
| unsigned gccbrig_hsa_type_bit_size (BrigType16_t t); |
| |
| uint64_t gccbrig_to_uint64_t (const BrigUInt64 &brig_type); |
| |
| int gccbrig_reg_size (const BrigOperandRegister *brig_reg); |
| |
| std::string gccbrig_reg_name (const BrigOperandRegister *reg); |
| |
| std::string gccbrig_type_name (BrigType16_t type); |
| |
| std::string gccbrig_segment_name (BrigSegment8_t segment); |
| |
| bool gccbrig_is_float_type (BrigType16_t type); |
| |
| bool gccbrig_is_bit_operation (BrigOpcode16_t opcode); |
| |
| BrigType16_t gccbrig_tree_type_to_hsa_type (tree tree_type); |
| tree gccbrig_tree_type_for_hsa_type (BrigType16_t brig_type); |
| |
| bool gccbrig_might_be_host_defined_var_p (const BrigDirectiveVariable *brigVar); |
| |
| /* From hsa.h. */ |
| bool hsa_type_packed_p (BrigType16_t type); |
| |
| struct reg_use_info |
| { |
| /* This vector keeps count of the times an HSAIL register is used as |
| a tree type in generic expressions. The count is used to select |
| type for 'register' variables to reduce emission of |
| VIEW_CONVERT_EXPR nodes. The data is kept in vector (insertion |
| order) for determinism, in a case there is a tie with the |
| counts. */ |
| std::vector<std::pair<tree, size_t> > m_type_refs; |
| /* Tree to index. Lookup for the above vector. */ |
| std::map<tree, size_t> m_type_refs_lookup; |
| }; |
| |
| /* key = hsa register entry generated by gccbrig_hsa_reg_id (). */ |
| typedef std::map<size_t, reg_use_info> regs_use_index; |
| |
| size_t gccbrig_hsa_reg_id (const BrigOperandRegister ®); |
| std::string gccbrig_hsa_reg_name_from_id (size_t reg_hash); |
| |
| void gccbrig_print_reg_use_info (FILE *dump, const regs_use_index &info); |
| |
| /* Return the number of elements in a VECTOR_TYPE. BRIG does not support |
| variable-length vectors. */ |
| inline unsigned HOST_WIDE_INT |
| gccbrig_type_vector_subparts (const_tree type) |
| { |
| return TYPE_VECTOR_SUBPARTS (type).to_constant (); |
| } |
| |
| #endif |