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Use __builtin_clzl if element is long

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Change-Id: I50a112739847fa826088854f6d172a188ff4cfb3
This commit is contained in:
Behdad Esfahbod 2014-07-10 17:48:37 -04:00
parent f9490880cc
commit da0c3511e3
1 changed files with 2 additions and 2 deletions
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4
engine/src/flutter/libs/minikin/SparseBitSet.cpp
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@ -105,9 +105,9 @@ void SparseBitSet::initFromRanges(const uint32_t* ranges, size_t nRanges) {
}
}
// Note: this implementation depends on GCC builtin, and also assumes 32-bit elements.
int SparseBitSet::CountLeadingZeros(element x) {
return __builtin_clz(x);
// Note: GCC / clang builtin
return sizeof(element) <= sizeof(int) ? __builtin_clz(x) : __builtin_clzl(x);
}
uint32_t SparseBitSet::nextSetBit(uint32_t fromIndex) const {