zig/lib/include/ppc_wrappers/mm_malloc.h
Andrew Kelley 2117fbdae3
update C headers to llvm9
upstream commit 1931d3cb20a00da732c5210b123656632982fde0
2019-07-19 16:50:45 -04:00

45 lines
1.1 KiB
C

/*===---- mm_malloc.h - Implementation of _mm_malloc and _mm_free ----------===
*
* Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
* See https://llvm.org/LICENSE.txt for license information.
* SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
*
*===-----------------------------------------------------------------------===
*/
#ifndef _MM_MALLOC_H_INCLUDED
#define _MM_MALLOC_H_INCLUDED
#include <stdlib.h>
/* We can't depend on <stdlib.h> 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);
void *ptr;
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 */