| /* |
| * Copyright (C) 2020 Collabora, Ltd. |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the "Software"), |
| * to deal in the Software without restriction, including without limitation |
| * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| * and/or sell copies of the Software, and to permit persons to whom the |
| * Software is furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice (including the next |
| * paragraph) shall be included in all copies or substantial portions of the |
| * Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| * SOFTWARE. |
| */ |
| |
| #ifndef __BI_PACK_HELPERS_H |
| #define __BI_PACK_HELPERS_H |
| |
| /* Helpers used by the autogenerated packing routines */ |
| |
| #include "compiler.h" |
| |
| static inline void |
| bi_set_data_register(bi_clause *clause, unsigned idx) |
| { |
| assert(idx & BIR_INDEX_REGISTER); |
| unsigned reg = idx & ~BIR_INDEX_REGISTER; |
| assert(reg <= 63); |
| clause->data_register = reg; |
| } |
| |
| static inline void |
| bi_read_data_register(bi_clause *clause, bi_instruction *ins) |
| { |
| bi_set_data_register(clause, ins->src[0]); |
| } |
| |
| static inline void |
| bi_write_data_register(bi_clause *clause, bi_instruction *ins) |
| { |
| bi_set_data_register(clause, ins->dest); |
| } |
| |
| static inline enum bifrost_packed_src |
| bi_get_src_reg_slot(bi_registers *regs, unsigned src) |
| { |
| unsigned reg = src & ~BIR_INDEX_REGISTER; |
| |
| if (regs->slot[0] == reg && regs->enabled[0]) |
| return BIFROST_SRC_PORT0; |
| else if (regs->slot[1] == reg && regs->enabled[1]) |
| return BIFROST_SRC_PORT1; |
| else if (regs->slot[3] == reg && regs->read_slot3) |
| return BIFROST_SRC_PORT3; |
| else |
| unreachable("Tried to access register with no port"); |
| } |
| |
| static inline enum bifrost_packed_src |
| bi_get_src(bi_instruction *ins, bi_registers *regs, unsigned s) |
| { |
| unsigned src = ins->src[s]; |
| |
| if (src & BIR_INDEX_REGISTER) |
| return bi_get_src_reg_slot(regs, src); |
| else if (src & BIR_INDEX_PASS) |
| return src & ~BIR_INDEX_PASS; |
| else { |
| #ifndef NDEBUG |
| bi_print_instruction(ins, stderr); |
| #endif |
| unreachable("Unknown src in above instruction"); |
| } |
| } |
| |
| #endif |