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Make use of the _byteswap_ushort() and _byteswap_ulong() compiler intrinsics for MSVC, when available.

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FossilOrigin-Name: fe144dd73f7097a17c24c7812c2a1cc40466e6da
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mistachkin
2015-06-30 17:28:40 +00:00
parent da6d3e2117
commit 647ca46fc5
5 changed files with 29 additions and 11 deletions
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10
src/sqliteInt.h
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@@ -185,6 +185,16 @@
# define SQLITE_NOINLINE
#endif
/*
** Make sure that the compiler intrinsics we desire are enabled when
** compiling with an appropriate version of MSVC.
*/
#if defined(_MSC_VER) && _MSC_VER>=1300
# include <intrin.h>
# pragma intrinsic(_byteswap_ushort)
# pragma intrinsic(_byteswap_ulong)
#endif
/*
** The SQLITE_THREADSAFE macro must be defined as 0, 1, or 2.
** 0 means mutexes are permanently disable and the library is never