patches/gcc/11/0002-posix_memalign.patch

   1 From ba7401783edf0dd9e5503c934b58e1b4fb4595f1 Mon Sep 17 00:00:00 2001
   2 From: Szabolcs Nagy <nsz@port70.net>
   3 Date: Fri, 26 Jan 2018 20:32:50 +0000
   4 Subject: [PATCH 2/5] posix_memalign
   5
   6 ---
   7  gcc/config/i386/pmm_malloc.h | 9 +++++----
   8  1 file changed, 5 insertions(+), 4 deletions(-)
   9
  10 diff --git a/gcc/config/i386/pmm_malloc.h b/gcc/config/i386/pmm_malloc.h
  11 index 1b0bfe37852..d7b2b19bb3c 100644
  12 --- a/gcc/config/i386/pmm_malloc.h
  13 +++ b/gcc/config/i386/pmm_malloc.h
  14 @@ -27,12 +27,13 @@
  15  #include <stdlib.h>
  16
  17  /* We can't depend on <stdlib.h> since the prototype of posix_memalign
  18 -   may not be visible.  */
  19 +   may not be visible and we can't pollute the namespace either.  */
  20  #ifndef __cplusplus
  21 -extern int posix_memalign (void **, size_t, size_t);
  22 +extern int _mm_posix_memalign (void **, size_t, size_t)
  23  #else
  24 -extern "C" int posix_memalign (void **, size_t, size_t) throw ();
  25 +extern "C" int _mm_posix_memalign (void **, size_t, size_t) throw ()
  26  #endif
  27 +__asm__("posix_memalign");
  28
  29  static __inline void *
  30  _mm_malloc (size_t __size, size_t __alignment)
  31 @@ -42,7 +43,7 @@ _mm_malloc (size_t __size, size_t __alignment)
  32      return malloc (__size);
  33    if (__alignment == 2 || (sizeof (void *) == 8 && __alignment == 4))
  34      __alignment = sizeof (void *);
  35 -  if (posix_memalign (&__ptr, __alignment, __size) == 0)
  36 +  if (_mm_posix_memalign (&__ptr, __alignment, __size) == 0)
  37      return __ptr;
  38    else
  39      return NULL;
  40 --
  41 2.31.1
  42