/* Copyright (C) 2004-2020 Free Software Foundation, Inc. This file is part of GCC. GCC is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3, or (at your option) any later version. GCC is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. Under Section 7 of GPL version 3, you are granted additional permissions described in the GCC Runtime Library Exception, version 3.1, as published by the Free Software Foundation. You should have received a copy of the GNU General Public License and a copy of the GCC Runtime Library Exception along with this program; see the files COPYING3 and COPYING.RUNTIME respectively. If not, see . */ #ifndef _MM_MALLOC_H_INCLUDED #define _MM_MALLOC_H_INCLUDED #include /* We can't depend on since the prototype of posix_memalign may not be visible. */ #ifndef __cplusplus extern int posix_memalign (void **, size_t, size_t); #else extern "C" int posix_memalign (void **, size_t, size_t) throw (); #endif static __inline void * _mm_malloc (size_t size, size_t alignment) { /* PowerPC64 ELF V2 ABI requires quadword alignment. */ size_t vec_align = sizeof (__vector float); /* Linux GLIBC malloc alignment is at least 2 X ptr size. */ size_t malloc_align = (sizeof (void *) + sizeof (void *)); void *ptr; if (alignment == malloc_align && alignment == vec_align) return malloc (size); if (alignment < vec_align) alignment = vec_align; if (posix_memalign (&ptr, alignment, size) == 0) return ptr; else return NULL; } static __inline void _mm_free (void * ptr) { free (ptr); } #endif /* _MM_MALLOC_H_INCLUDED */