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