projects / thirdparty / gcc.git / blame
| Commit | Line | Data |
|---|---|---|
| 5fd1486c | 1 | /* brig-lane-inst-handler.cc -- brig lane instruction handling |
| 85ec4feb | 2 | Copyright (C) 2016-2018 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 | #include "brig-code-entry-handler.h" | |
| 23 | #include "errors.h" | |
| 24 | #include "diagnostic-core.h" | |
| 25 | #include "brig-util.h" | |
| 26 | ||
| 27 | brig_lane_inst_handler::brig_lane_inst_handler (brig_to_generic &parent) | |
| 28 | : brig_code_entry_handler (parent) | |
| 29 | { | |
| 30 | } | |
| 31 | ||
| 32 | size_t | |
| 33 | brig_lane_inst_handler::operator () (const BrigBase *base) | |
| 34 | { | |
| 35 | const BrigInstLane &inst = *(const BrigInstLane *) base; | |
| 36 | tree_stl_vec operands = build_operands (inst.base); | |
| 37 | ||
| 38 | tree expr = NULL_TREE; | |
| 39 | if (inst.base.opcode == BRIG_OPCODE_ACTIVELANECOUNT) | |
| 40 | { | |
| 41 | /* Because we are fixed to single WI per wave, it's enough to | |
| 42 | just check the src value of the single work item itself. */ | |
| 43 | expr = build2 (NE_EXPR, uint32_type_node, | |
| 44 | build_zero_cst (uint32_type_node), operands[1]); | |
| 45 | } | |
| 46 | else if (inst.base.opcode == BRIG_OPCODE_ACTIVELANEID) | |
| 47 | { | |
| 48 | expr = build_zero_cst (uint32_type_node); | |
| 49 | } | |
| 50 | else if (inst.base.opcode == BRIG_OPCODE_ACTIVELANEMASK) | |
| 51 | { | |
| 52 | tree u64_type = gccbrig_tree_type_for_hsa_type (BRIG_TYPE_U64); | |
| 53 | tree zero_cst = build_zero_cst (u64_type); | |
| 54 | expr = build2 (NE_EXPR, u64_type, zero_cst, operands[1]); | |
| 55 | ||
| 56 | tree_stl_vec elements; | |
| 57 | elements.push_back (expr); | |
| 58 | elements.push_back (zero_cst); | |
| 59 | elements.push_back (zero_cst); | |
| 60 | elements.push_back (zero_cst); | |
| 61 | ||
| 080dc243 | 62 | expr = m_parent.m_cf->pack (elements); |
| 5fd1486c PJ |
63 | } |
| 64 | else if (inst.base.opcode == BRIG_OPCODE_ACTIVELANEPERMUTE) | |
| 65 | { | |
| 66 | tree src = operands[1]; | |
| 67 | tree identity = operands[3]; | |
| 68 | tree use_identity = operands[4]; | |
| 69 | ||
| 70 | /* When WAVESIZE is 1, we either select the src of the work-item | |
| 71 | itself or 'identity' in case use_identity is 1. */ | |
| 72 | ||
| 73 | tree cmp = build2 (EQ_EXPR, uint32_type_node, | |
| a0deb992 PJ |
74 | build_int_cstu (TREE_TYPE (use_identity), 1), |
| 75 | use_identity); | |
| 5fd1486c PJ |
76 | |
| 77 | expr = build3 (COND_EXPR, TREE_TYPE (src), cmp, identity, src); | |
| 78 | } | |
| 79 | else | |
| 80 | gcc_unreachable (); | |
| 81 | ||
| 82 | build_output_assignment (inst.base, operands[0], expr); | |
| 83 | ||
| 84 | return base->byteCount; | |
| 85 | } |