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Add SQLITE_DISABLE_INTRINSIC define to disable use of intrinsic functions (e.g. for certain older compilers and/or platforms).

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FossilOrigin-Name: f0075d735a76ce326619b6ba7f0d556e492f1c41
This commit is contained in:
mistachkin
2015-07-29 21:47:39 +00:00
parent 36c25f7686
commit 60e0807801
5 changed files with 29 additions and 22 deletions
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6
src/util.c
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@@ -1082,11 +1082,13 @@ u32 sqlite3Get4byte(const u8 *p){
u32 x;
memcpy(&x,p,4);
return x;
#elif SQLITE_BYTEORDER==1234 && defined(__GNUC__) && GCC_VERSION>=4003000
#elif SQLITE_BYTEORDER==1234 && !defined(SQLITE_DISABLE_INTRINSIC) \
&& defined(__GNUC__) && GCC_VERSION>=4003000
u32 x;
memcpy(&x,p,4);
return __builtin_bswap32(x);
#elif SQLITE_BYTEORDER==1234 && defined(_MSC_VER) && _MSC_VER>=1300
#elif SQLITE_BYTEORDER==1234 && !defined(SQLITE_DISABLE_INTRINSIC) \
&& defined(_MSC_VER) && _MSC_VER>=1300
u32 x;
memcpy(&x,p,4);
return _byteswap_ulong(x);