diff options
| author | Yong He <yonghe@outlook.com> | 2020-07-24 10:18:22 -0700 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2020-07-24 10:18:22 -0700 |
| commit | ef9d76cf88282030c0ed269f73ab8f332f784437 (patch) | |
| tree | 0417a89f4d303ee3bc4e52e26f017229d5565265 | |
| parent | cb0a08b55f3d1be44b36fc4fc5f34405c2b1516e (diff) | |
`InterlockedAdd` CPU intrinsic implementation. (#1455)
Co-authored-by: Yong He <yhe@nvidia.com>
Co-authored-by: Tim Foley <tfoleyNV@users.noreply.github.com>
| -rw-r--r-- | prelude/slang-cpp-scalar-intrinsics.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/prelude/slang-cpp-scalar-intrinsics.h b/prelude/slang-cpp-scalar-intrinsics.h index 54900c3a3..ec3882cfb 100644 --- a/prelude/slang-cpp-scalar-intrinsics.h +++ b/prelude/slang-cpp-scalar-intrinsics.h @@ -264,6 +264,20 @@ SLANG_FORCE_INLINE int64_t I64_abs(int64_t f) { return (f < 0) ? -f : f; } SLANG_FORCE_INLINE int64_t I64_min(int64_t a, int64_t b) { return a < b ? a : b; } SLANG_FORCE_INLINE int64_t I64_max(int64_t a, int64_t b) { return a > b ? a : b; } + +// ----------------------------- Interlocked --------------------------------- +#ifdef _WIN32 +#include <intrin.h> +#endif + +void InterlockedAdd(uint32_t* dest, uint32_t value, uint32_t* oldValue) +{ +#ifdef _WIN32 + *oldValue = _InterlockedExchangeAdd((long*)dest, (long)value); +#else + *oldValue = __sync_fetch_and_add(dest, value); +#endif +} #ifdef SLANG_PRELUDE_NAMESPACE } #endif |