1/* Copyright (C) 2004-2020 Free Software Foundation, Inc. 2 3 This file is part of GCC. 4 5 GCC is free software; you can redistribute it and/or modify 6 it under the terms of the GNU General Public License as published by 7 the Free Software Foundation; either version 3, or (at your option) 8 any later version. 9 10 GCC is distributed in the hope that it will be useful, 11 but WITHOUT ANY WARRANTY; without even the implied warranty of 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 GNU General Public License for more details. 14 15 Under Section 7 of GPL version 3, you are granted additional 16 permissions described in the GCC Runtime Library Exception, version 17 3.1, as published by the Free Software Foundation. 18 19 You should have received a copy of the GNU General Public License and 20 a copy of the GCC Runtime Library Exception along with this program; 21 see the files COPYING3 and COPYING.RUNTIME respectively. If not, see 22 <http://www.gnu.org/licenses/>. */ 23 24#ifndef _MM_MALLOC_H_INCLUDED 25#define _MM_MALLOC_H_INCLUDED 26 27#include <stdlib.h> 28 29/* We can't depend on <stdlib.h> since the prototype of posix_memalign 30 may not be visible. */ 31#ifndef __cplusplus 32extern int posix_memalign (void **, size_t, size_t); 33#else 34extern "C" int posix_memalign (void **, size_t, size_t) throw (); 35#endif 36 37static __inline void * 38_mm_malloc (size_t __size, size_t __alignment) 39{ 40 /* PowerPC64 ELF V2 ABI requires quadword alignment. */ 41 size_t __vec_align = sizeof (__vector float); 42 /* Linux GLIBC malloc alignment is at least 2 X ptr size. */ 43 size_t __malloc_align = (sizeof (void *) + sizeof (void *)); 44 void *__ptr; 45 46 if (__alignment == __malloc_align && __alignment == __vec_align) 47 return malloc (__size); 48 if (__alignment < __vec_align) 49 __alignment = __vec_align; 50 if (posix_memalign (&__ptr, __alignment, __size) == 0) 51 return __ptr; 52 else 53 return NULL; 54} 55 56static __inline void 57_mm_free (void * __ptr) 58{ 59 free (__ptr); 60} 61 62#endif /* _MM_MALLOC_H_INCLUDED */ 63