osfmk/vm/lz4_assembly_select.h

   1 /*
   2  * Copyright (c) 2016-2016 Apple Inc. All rights reserved.
   3  *
   4  * @APPLE_OSREFERENCE_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. The rights granted to you under the License
  10  * may not be used to create, or enable the creation or redistribution of,
  11  * unlawful or unlicensed copies of an Apple operating system, or to
  12  * circumvent, violate, or enable the circumvention or violation of, any
  13  * terms of an Apple operating system software license agreement.
  14  *
  15  * Please obtain a copy of the License at
  16  * http://www.opensource.apple.com/apsl/ and read it before using this file.
  17  *
  18  * The Original Code and all software distributed under the License are
  19  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  20  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  21  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  22  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  23  * Please see the License for the specific language governing rights and
  24  * limitations under the License.
  25  *
  26  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  27  */
  28
  29 #pragma once
  30
  31 //  Common header to enable/disable the assembly code paths
  32 //  Rule: one define for each assembly source file
  33
  34 //  To enable assembly
  35 #if defined __arm64__
  36 #define LZ4_ENABLE_ASSEMBLY_ENCODE_ARM64 1
  37 #define LZ4_ENABLE_ASSEMBLY_DECODE_ARM64 1
  38 #elif defined __ARM_NEON__
  39 #define LZ4_ENABLE_ASSEMBLY_ENCODE_ARMV7 1
  40 #define LZ4_ENABLE_ASSEMBLY_DECODE_ARMV7 1
  41 #elif defined __x86_64__
  42 #define LZ4_ENABLE_ASSEMBLY_DECODE_X86_64 1
  43 #endif
  44
  45 //  To disable C
  46 #define LZ4_ENABLE_ASSEMBLY_ENCODE ((LZ4_ENABLE_ASSEMBLY_ENCODE_ARMV7) || (LZ4_ENABLE_ASSEMBLY_ENCODE_ARM64))
  47 #define LZ4_ENABLE_ASSEMBLY_DECODE (LZ4_ENABLE_ASSEMBLY_DECODE_ARM64 || LZ4_ENABLE_ASSEMBLY_DECODE_ARMV7 || LZ4_ENABLE_ASSEMBLY_DECODE_X86_64)