51     : features_(0) {  in CPUFeatures()
59   all.features_ = (UINT64_C(1) << kNumberOfFeatures) - 1;  in All()
69   features_ |= other.features_;  in Combine()
76   features_ |= MakeFeatureMask(feature0);  in Combine()
77   features_ |= MakeFeatureMask(feature1);  in Combine()
78   features_ |= MakeFeatureMask(feature2);  in Combine()
79   features_ |= MakeFeatureMask(feature3);  in Combine()
83   features_ &= ~other.features_;  in Remove()
90   features_ &= ~MakeFeatureMask(feature0);  in Remove()
91   features_ &= ~MakeFeatureMask(feature1);  in Remove()
92   features_ &= ~MakeFeatureMask(feature2);  in Remove()
93   features_ &= ~MakeFeatureMask(feature3);  in Remove()
127   return (features_ & other.features_) == other.features_;  in Has()
136   return (features_ & mask) == mask;  in Has()
139 size_t CPUFeatures::Count() const { return CountSetBits(features_); }  in Count()
160   if (features_ == 0) return const_iterator(this, kNone);  in begin()
162   int feature_number = CountTrailingZeros(features_);  in begin()