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zend_ulong_ntz/zend_ulong_ntz little optimisation for windows. #17527

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zend_ulong_ntz/zend_ulong_ntz little optimisation for windows. #17527

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8 changes: 4 additions & 4 deletions Zend/zend_bitset.h
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Original file line number Diff line number Diff line change
Expand Up @@ -56,9 +56,9 @@ ZEND_ATTRIBUTE_CONST static zend_always_inline int zend_ulong_ntz(zend_ulong num
unsigned long index;

#if defined(_WIN64)
if (!BitScanForward64(&index, num)) {
if (UNEXPECTED(!BitScanForward64(&index, num))) {
#else
if (!BitScanForward(&index, num)) {
if (UNEXPECTED(!BitScanForward(&index, num))) {
#endif
/* undefined behavior */
return SIZEOF_ZEND_LONG * 8;
Expand Down Expand Up @@ -94,9 +94,9 @@ ZEND_ATTRIBUTE_CONST static zend_always_inline int zend_ulong_nlz(zend_ulong num
unsigned long index;

#if defined(_WIN64)
if (!BitScanReverse64(&index, num)) {
if (UNEXPECTED(!BitScanReverse64(&index, num))) {
#else
if (!BitScanReverse(&index, num)) {
if (UNEXPECTED(!BitScanReverse(&index, num))) {
#endif
/* undefined behavior */
return SIZEOF_ZEND_LONG * 8;
Expand Down
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