1/* Copyright (C) 2013-2022 Free Software Foundation, Inc. 2 Contributed by Jakub Jelinek <jakub@redhat.com>. 3 4 This file is part of the GNU Offloading and Multi Processing Library 5 (libgomp). 6 7 Libgomp is free software; you can redistribute it and/or modify it 8 under the terms of the GNU General Public License as published by 9 the Free Software Foundation; either version 3, or (at your option) 10 any later version. 11 12 Libgomp is distributed in the hope that it will be useful, but WITHOUT ANY 13 WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS 14 FOR A PARTICULAR PURPOSE. See the GNU General Public License for 15 more details. 16 17 Under Section 7 of GPL version 3, you are granted additional 18 permissions described in the GCC Runtime Library Exception, version 19 3.1, as published by the Free Software Foundation. 20 21 You should have received a copy of the GNU General Public License and 22 a copy of the GCC Runtime Library Exception along with this program; 23 see the files COPYING3 and COPYING.RUNTIME respectively. If not, see 24 <http://www.gnu.org/licenses/>. */ 25 26#include "libgomp.h" 27#include <limits.h> 28 29extern int __gomp_team_num __attribute__((shared)); 30 31bool 32GOMP_teams4 (unsigned int num_teams_lower, unsigned int num_teams_upper, 33 unsigned int thread_limit, bool first) 34{ 35 unsigned int num_blocks, block_id; 36 asm ("mov.u32 %0, %%nctaid.x;" : "=r" (num_blocks)); 37 if (!first) 38 { 39 unsigned int team_num; 40 if (num_blocks > gomp_num_teams_var) 41 return false; 42 team_num = __gomp_team_num; 43 if (team_num > gomp_num_teams_var - num_blocks) 44 return false; 45 __gomp_team_num = team_num + num_blocks; 46 return true; 47 } 48 if (thread_limit) 49 { 50 struct gomp_task_icv *icv = gomp_icv (true); 51 icv->thread_limit_var 52 = thread_limit > INT_MAX ? UINT_MAX : thread_limit; 53 } 54 if (!num_teams_upper) 55 num_teams_upper = num_blocks; 56 else if (num_blocks < num_teams_lower) 57 num_teams_upper = num_teams_lower; 58 else if (num_blocks < num_teams_upper) 59 num_teams_upper = num_blocks; 60 asm ("mov.u32 %0, %%ctaid.x;" : "=r" (block_id)); 61 if (block_id >= num_teams_upper) 62 return false; 63 __gomp_team_num = block_id; 64 gomp_num_teams_var = num_teams_upper - 1; 65 return true; 66} 67 68int 69omp_pause_resource (omp_pause_resource_t kind, int device_num) 70{ 71 (void) kind; 72 (void) device_num; 73 return -1; 74} 75 76int 77omp_pause_resource_all (omp_pause_resource_t kind) 78{ 79 (void) kind; 80 return -1; 81} 82 83ialias (omp_pause_resource) 84ialias (omp_pause_resource_all) 85 86void 87GOMP_target_ext (int device, void (*fn) (void *), size_t mapnum, 88 void **hostaddrs, size_t *sizes, unsigned short *kinds, 89 unsigned int flags, void **depend, void **args) 90{ 91 (void) device; 92 (void) fn; 93 (void) mapnum; 94 (void) hostaddrs; 95 (void) sizes; 96 (void) kinds; 97 (void) flags; 98 (void) depend; 99 (void) args; 100 __builtin_unreachable (); 101} 102 103void 104GOMP_target_data_ext (int device, size_t mapnum, void **hostaddrs, 105 size_t *sizes, unsigned short *kinds) 106{ 107 (void) device; 108 (void) mapnum; 109 (void) hostaddrs; 110 (void) sizes; 111 (void) kinds; 112 __builtin_unreachable (); 113} 114 115void 116GOMP_target_end_data (void) 117{ 118 __builtin_unreachable (); 119} 120 121void 122GOMP_target_update_ext (int device, size_t mapnum, void **hostaddrs, 123 size_t *sizes, unsigned short *kinds, 124 unsigned int flags, void **depend) 125{ 126 (void) device; 127 (void) mapnum; 128 (void) hostaddrs; 129 (void) sizes; 130 (void) kinds; 131 (void) flags; 132 (void) depend; 133 __builtin_unreachable (); 134} 135 136void 137GOMP_target_enter_exit_data (int device, size_t mapnum, void **hostaddrs, 138 size_t *sizes, unsigned short *kinds, 139 unsigned int flags, void **depend) 140{ 141 (void) device; 142 (void) mapnum; 143 (void) hostaddrs; 144 (void) sizes; 145 (void) kinds; 146 (void) flags; 147 (void) depend; 148 __builtin_unreachable (); 149} 150