File: mm_malloc.h

package info (click to toggle)
llvm-toolchain-19 1%3A19.1.7-3
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 1,998,520 kB
  • sloc: cpp: 6,951,680; ansic: 1,486,157; asm: 913,598; python: 232,024; f90: 80,126; objc: 75,281; lisp: 37,276; pascal: 16,990; sh: 10,009; ml: 5,058; perl: 4,724; awk: 3,523; makefile: 3,167; javascript: 2,504; xml: 892; fortran: 664; cs: 573
file content (45 lines) | stat: -rw-r--r-- 1,337 bytes parent folder | download | duplicates (14)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
/*===---- 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

#if defined(__powerpc64__) &&                                                  \
    (defined(__linux__) || defined(__FreeBSD__) || defined(_AIX))

#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);
#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); }

#else
#include_next <mm_malloc.h>
#endif

#endif /* _MM_MALLOC_H_INCLUDED */