| //===------------ target_impl.h - NVPTX OpenMP GPU options ------- CUDA -*-===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // Definitions of target specific functions |
| // |
| //===----------------------------------------------------------------------===// |
| #ifndef _TARGET_IMPL_H_ |
| #define _TARGET_IMPL_H_ |
| |
| #include <stdint.h> |
| |
| #include "option.h" |
| |
| INLINE void __kmpc_impl_unpack(int64_t val, int32_t &lo, int32_t &hi) { |
| asm volatile("mov.b64 {%0,%1}, %2;" : "=r"(lo), "=r"(hi) : "l"(val)); |
| } |
| |
| INLINE int64_t __kmpc_impl_pack(int32_t lo, int32_t hi) { |
| int64_t val; |
| asm volatile("mov.b64 %0, {%1,%2};" : "=l"(val) : "r"(lo), "r"(hi)); |
| return val; |
| } |
| |
| typedef uint32_t __kmpc_impl_lanemask_t; |
| |
| INLINE __kmpc_impl_lanemask_t __kmpc_impl_lanemask_lt() { |
| __kmpc_impl_lanemask_t res; |
| asm("mov.u32 %0, %%lanemask_lt;" : "=r"(res)); |
| return res; |
| } |
| |
| INLINE int __kmpc_impl_ffs(uint32_t x) { return __ffs(x); } |
| |
| INLINE int __kmpc_impl_popc(uint32_t x) { return __popc(x); } |
| |
| #endif |
