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Add !defined check on MINIZ_USE_ALIGNED_LOADS_AND_STORES

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Add !defined check so that one can override MINIZ_USE_ALIGNED_LOADS_AND_STORES in case a given compiler does not support it (this issue has been seen in the wild, #assimp/assimp#2389
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Charlie Gettys 2019-03-27 10:46:41 -04:00 committed by GitHub
parent 25de35faec
commit 5ba89c135d
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1 changed files with 3 additions and 0 deletions
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miniz.h
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@ -170,6 +170,8 @@
#define MINIZ_LITTLE_ENDIAN 0
#endif
/* Set MINIZ_USE_UNALIGNED_LOADS_AND_STORES only if not set */
#if !defined(MINIZ_USE_UNALIGNED_LOADS_AND_STORES)
#if MINIZ_X86_OR_X64_CPU
/* Set MINIZ_USE_UNALIGNED_LOADS_AND_STORES to 1 on CPU's that permit efficient integer loads and stores from unaligned addresses. */
#define MINIZ_USE_UNALIGNED_LOADS_AND_STORES 1
@ -177,6 +179,7 @@
#else
#define MINIZ_USE_UNALIGNED_LOADS_AND_STORES 0
#endif
#endif
#if defined(_M_X64) || defined(_WIN64) || defined(__MINGW64__) || defined(_LP64) || defined(__LP64__) || defined(__ia64__) || defined(__x86_64__)
/* Set MINIZ_HAS_64BIT_REGISTERS to 1 if operations on 64-bit integers are reasonably fast (and don't involve compiler generated calls to helper functions). */