51 lines
1.2 KiB
C
51 lines
1.2 KiB
C
/*===---- mm_malloc.h - Implementation of _mm_malloc and _mm_free ----------===
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*
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* Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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* See https://llvm.org/LICENSE.txt for license information.
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* SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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*
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*===-----------------------------------------------------------------------===
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*/
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#ifndef _MM_MALLOC_H_INCLUDED
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#define _MM_MALLOC_H_INCLUDED
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#if defined(__linux__) && defined(__ppc64__)
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#include <stdlib.h>
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/* We can't depend on <stdlib.h> since the prototype of posix_memalign
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may not be visible. */
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#ifndef __cplusplus
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extern int posix_memalign (void **, size_t, size_t);
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#else
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extern "C" int posix_memalign (void **, size_t, size_t) throw ();
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#endif
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static __inline void *
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_mm_malloc (size_t size, size_t alignment)
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{
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/* PowerPC64 ELF V2 ABI requires quadword alignment. */
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size_t vec_align = sizeof (__vector float);
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void *ptr;
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if (alignment < vec_align)
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alignment = vec_align;
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if (posix_memalign (&ptr, alignment, size) == 0)
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return ptr;
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else
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return NULL;
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}
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static __inline void
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_mm_free (void * ptr)
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{
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free (ptr);
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}
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#else
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#include_next <mm_malloc.h>
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#endif
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#endif /* _MM_MALLOC_H_INCLUDED */
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