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Refactored unsigned long negations

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am: 10fbe684fb

* commit '10fbe684fbabfb51112bcd44e7f2a80d5c9807cb':
  Refactored unsigned long negations
This commit is contained in:
Dan Austin
2015-12-14 09:12:42 -08:00
committed by android-build-merger
parent 10cd33807c 10fbe684fb
commit 6dc8b89df4
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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@@ -90,13 +90,13 @@ void SparseBitSet::initFromRanges(const uint32_t* ranges, size_t nRanges) {
size_t nElements = (end - (start & ~kElMask) + kElMask) >> kLogBitsPerEl;
if (nElements == 1) {
mBitmaps[index] |= (kElAllOnes >> (start & kElMask)) &
(kElAllOnes << ((-end) & kElMask));
(kElAllOnes << ((~end + 1) & kElMask));
} else {
mBitmaps[index] |= kElAllOnes >> (start & kElMask);
for (size_t j = 1; j < nElements - 1; j++) {
mBitmaps[index + j] = kElAllOnes;
}
mBitmaps[index + nElements - 1] |= kElAllOnes << ((-end) & kElMask);
mBitmaps[index + nElements - 1] |= kElAllOnes << ((~end + 1) & kElMask);
}
for (size_t j = startPage + 1; j < endPage + 1; j++) {
mIndices[j] = (currentPage++) << (kLogValuesPerPage - kLogBitsPerEl);