void BitVector::mergeSlow(const BitVector& other) { if (other.isInline()) { ASSERT(!isInline()); *bits() |= cleanseInlineBits(other.m_bitsOrPointer); return; } ensureSize(other.size()); ASSERT(!isInline()); ASSERT(!other.isInline()); OutOfLineBits* a = outOfLineBits(); const OutOfLineBits* b = other.outOfLineBits(); for (unsigned i = a->numWords(); i--;) a->bits()[i] |= b->bits()[i]; }
void BitVector::filterSlow(const BitVector& other) { if (other.isInline()) { ASSERT(!isInline()); *bits() &= cleanseInlineBits(other.m_bitsOrPointer); return; } if (isInline()) { ASSERT(!other.isInline()); m_bitsOrPointer &= *other.outOfLineBits()->bits(); m_bitsOrPointer |= (static_cast<uintptr_t>(1) << maxInlineBits()); ASSERT(isInline()); return; } OutOfLineBits* a = outOfLineBits(); const OutOfLineBits* b = other.outOfLineBits(); for (unsigned i = std::min(a->numWords(), b->numWords()); i--;) a->bits()[i] &= b->bits()[i]; for (unsigned i = b->numWords(); i < a->numWords(); ++i) a->bits()[i] = 0; }