include/string_x86.h

   1 /*
   2  * Copyright (c) 2020 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * This file contains Original Code and/or Modifications of Original Code
   7  * as defined in and that are subject to the Apple Public Source License
   8  * Version 2.0 (the 'License'). You may not use this file except in
   9  * compliance with the License. Please obtain a copy of the License at
  10  * http://www.opensource.apple.com/apsl/ and read it before using this
  11  * file.
  12  *
  13  * The Original Code and all software distributed under the License are
  14  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  15  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  16  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  18  * Please see the License for the specific language governing rights and
  19  * limitations under the License.
  20  *
  21  * @APPLE_LICENSE_HEADER_END@
  22  */
  23 #ifndef _STRING_X86_H
  24 #define _STRING_X86_H
  25
  26 #include <Availability.h>
  27
  28 #if defined(__x86_64__)
  29
  30 __BEGIN_DECLS
  31 /* These SSE variants have the same behavior as their original functions.
  32  * SSE instructions are used in these variants instead of best possible
  33  * implementation.
  34  */
  35 __OSX_AVAILABLE(10.16) __IOS_UNAVAILABLE __TVOS_UNAVAILABLE __WATCHOS_UNAVAILABLE
  36 void    *memmove_sse_np(void *__dst, const void *__src, size_t __len);
  37
  38 __OSX_AVAILABLE(10.16) __IOS_UNAVAILABLE __TVOS_UNAVAILABLE __WATCHOS_UNAVAILABLE
  39 void    *memset_sse_np(void *__b, int __c, size_t __len);
  40
  41 __OSX_AVAILABLE(10.16) __IOS_UNAVAILABLE __TVOS_UNAVAILABLE __WATCHOS_UNAVAILABLE
  42 void     bzero_sse_np(void *, size_t);
  43
  44 __OSX_AVAILABLE(10.16) __IOS_UNAVAILABLE __TVOS_UNAVAILABLE __WATCHOS_UNAVAILABLE
  45 void     memset_pattern4_sse_np(void *__b, const void *__pattern4, size_t __len);
  46
  47 __OSX_AVAILABLE(10.16) __IOS_UNAVAILABLE __TVOS_UNAVAILABLE __WATCHOS_UNAVAILABLE
  48 void     memset_pattern8_sse_np(void *__b, const void *__pattern8, size_t __len);
  49
  50 __OSX_AVAILABLE(10.16) __IOS_UNAVAILABLE __TVOS_UNAVAILABLE __WATCHOS_UNAVAILABLE
  51 void     memset_pattern16_sse_np(void *__b, const void *__pattern16, size_t __len);
  52 __END_DECLS
  53
  54 #endif /* __x86_64__ */
  55
  56 #endif /* _STRING_X86_H */