| 1 | //===-- GPU Implementation of aligned_alloc -------------------------------===// |
|---|---|
| 2 | // |
| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| 4 | // See https://llvm.org/LICENSE.txt for license information. |
| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| 6 | // |
| 7 | //===----------------------------------------------------------------------===// |
| 8 | |
| 9 | #include "src/stdlib/aligned_alloc.h" |
| 10 | |
| 11 | #include "src/__support/GPU/allocator.h" |
| 12 | #include "src/__support/common.h" |
| 13 | #include "src/__support/macros/config.h" |
| 14 | |
| 15 | namespace LIBC_NAMESPACE_DECL { |
| 16 | |
| 17 | LLVM_LIBC_FUNCTION(void *, aligned_alloc, (size_t alignment, size_t size)) { |
| 18 | if ((alignment & -alignment) != alignment) |
| 19 | return nullptr; |
| 20 | |
| 21 | void *ptr = gpu::allocate(size); |
| 22 | if ((reinterpret_cast<uintptr_t>(ptr) & (alignment - 1)) != 0) { |
| 23 | gpu::deallocate(ptr); |
| 24 | return nullptr; |
| 25 | } |
| 26 | return ptr; |
| 27 | } |
| 28 | |
| 29 | } // namespace LIBC_NAMESPACE_DECL |
| 30 |