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Use _M_X64 instead of _WIN64.

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Patch-from: lvqcl <lvqcl.mail@gmail.com>
This commit is contained in:
Erik de Castro Lopo 2014-04-11 06:16:32 +10:00
parent ce3e09e718
commit 1a6df83163
1 changed files with 2 additions and 2 deletions
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4
src/libFLAC/include/private/bitmath.h
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@ -142,8 +142,8 @@ static inline unsigned FLAC__bitmath_ilog2_wide(FLAC__uint64 v)
return 0;
#if defined(__GNUC__) && (__GNUC__ >= 4 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4))
return sizeof(FLAC__uint64) * CHAR_BIT - 1 - __builtin_clzll(v);
/* Sorry, only supported in win64/Itanium.. and both have fast FPU which makes integer-only encoder pointless */
#elif (defined(_MSC_VER) && (_MSC_VER >= 1400)) && (defined(_M_IA64) || defined(_WIN64))
/* Sorry, only supported in x64/Itanium.. and both have fast FPU which makes integer-only encoder pointless */
#elif (defined(_MSC_VER) && (_MSC_VER >= 1400)) && (defined(_M_IA64) || defined(_M_X64))
{
unsigned long idx;
_BitScanReverse64(&idx, v);