+
+ /// setBitsInMask - Add '1' bits from Mask to this vector. Don't resize.
+ /// This computes "*this |= Mask".
+ void setBitsInMask(const uint32_t *Mask, unsigned MaskWords = ~0u) {
+ if (isSmall())
+ applyMask<true, false>(Mask, MaskWords);
+ else
+ getPointer()->setBitsInMask(Mask, MaskWords);
+ }
+
+ /// clearBitsInMask - Clear any bits in this vector that are set in Mask.
+ /// Don't resize. This computes "*this &= ~Mask".
+ void clearBitsInMask(const uint32_t *Mask, unsigned MaskWords = ~0u) {
+ if (isSmall())
+ applyMask<false, false>(Mask, MaskWords);
+ else
+ getPointer()->clearBitsInMask(Mask, MaskWords);
+ }
+
+ /// setBitsNotInMask - Add a bit to this vector for every '0' bit in Mask.
+ /// Don't resize. This computes "*this |= ~Mask".
+ void setBitsNotInMask(const uint32_t *Mask, unsigned MaskWords = ~0u) {
+ if (isSmall())
+ applyMask<true, true>(Mask, MaskWords);
+ else
+ getPointer()->setBitsNotInMask(Mask, MaskWords);
+ }
+
+ /// clearBitsNotInMask - Clear a bit in this vector for every '0' bit in Mask.
+ /// Don't resize. This computes "*this &= Mask".
+ void clearBitsNotInMask(const uint32_t *Mask, unsigned MaskWords = ~0u) {
+ if (isSmall())
+ applyMask<false, true>(Mask, MaskWords);
+ else
+ getPointer()->clearBitsNotInMask(Mask, MaskWords);
+ }
+
+private:
+ template<bool AddBits, bool InvertMask>
+ void applyMask(const uint32_t *Mask, unsigned MaskWords) {
+ assert((NumBaseBits == 64 || NumBaseBits == 32) && "Unsupported word size");
+ if (NumBaseBits == 64 && MaskWords >= 2) {
+ uint64_t M = Mask[0] | (uint64_t(Mask[1]) << 32);
+ if (InvertMask) M = ~M;
+ if (AddBits) setSmallBits(getSmallBits() | M);
+ else setSmallBits(getSmallBits() & ~M);
+ } else {
+ uint32_t M = Mask[0];
+ if (InvertMask) M = ~M;
+ if (AddBits) setSmallBits(getSmallBits() | M);
+ else setSmallBits(getSmallBits() & ~M);
+ }
+ }