| /* |
| * Copyright (c) 2014 Advanced Micro Devices, Inc. |
| * |
| * 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 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. |
| */ |
| |
| #ifdef USE_COUNTER |
| |
| #pragma OPENCL EXTENSION cl_amd_atomic_counters32 : enable |
| |
| extern uint __amdil_append_alloc_i32(counter32_t); |
| extern uint __amdil_append_consume_i32(counter32_t); |
| |
| __attribute__((overloadable, always_inline)) uint |
| atomic_inc(counter32_t p) |
| { |
| return __amdil_append_alloc_i32(p); |
| } |
| |
| __attribute__((overloadable, always_inline)) uint |
| atomic_dec(counter32_t p) |
| { |
| // The instruction returns the updated value |
| return __amdil_append_consume_i32(p) + 1U; |
| } |
| |
| #endif |
| |
