1 /* 2 Copyright 1999-2020 ImageMagick Studio LLC, a non-profit organization 3 dedicated to making software imaging solutions freely available. 4 5 You may not use this file except in compliance with the License. You may 6 obtain a copy of the License at 7 8 https://imagemagick.org/script/license.php 9 10 Unless required by applicable law or agreed to in writing, software 11 distributed under the License is distributed on an "AS IS" BASIS, 12 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 See the License for the specific language governing permissions and 14 limitations under the License. 15 16 MagickCore private memory methods. 17 */ 18 #ifndef MAGICKCORE_MEMORY_PRIVATE_H 19 #define MAGICKCORE_MEMORY_PRIVATE_H 20 21 #include "MagickCore/magick-config.h" 22 23 #if defined(__cplusplus) || defined(c_plusplus) 24 extern "C" { 25 #endif 26 27 #if defined(__powerpc__) 28 # define CACHE_LINE_SIZE (16 * MAGICKCORE_SIZEOF_VOID_P) 29 #else 30 # define CACHE_LINE_SIZE (8 * MAGICKCORE_SIZEOF_VOID_P) 31 #endif 32 33 #define CACHE_ALIGNED(n) MAGICKCORE_ALIGN_UP(n,CACHE_LINE_SIZE) 34 35 #if (__GNUC__ > 4) || ((__GNUC__ == 4) && (__GNUC_MINOR__ > 6)) 36 #if !defined(__ICC) 37 #define MagickAssumeAligned(address) \ 38 __builtin_assume_aligned((address),CACHE_LINE_SIZE) 39 #else 40 #define MagickAssumeAligned(address) (address) 41 #endif 42 #else 43 #define MagickAssumeAligned(address) (address) 44 #endif 45 46 extern MagickPrivate void 47 ResetMaxMemoryRequest(void), 48 ResetVirtualAnonymousMemory(void); 49 50 #if defined(__cplusplus) || defined(c_plusplus) 51 } 52 #endif 53 54 #endif 55