Lines Matching full:zero
33 element pointers. An alternative is to point to a special zero
38 case is fast. A zero bitset is indicated when cdata is 0. This is
39 conservative since cdata may be non zero and the bitset may still
40 be zero.
82 static ebitset_elt ebitset_zero_elts[1]; /* Elements of all zero bits. */
97 /* Disable bitset cache and mark BSET as being zero. */
103 /* Disable bitset cache and mark BSET as being possibly non-zero. */
107 /* A conservative estimate of whether the bitset is zero.
108 This is non-zero only if we know for sure that the bitset is zero. */
139 allocated, then just zero what we need. */
143 non-zero this means that we are changing the size, so
280 /* Are all bits in an element zero? */
346 /* Weed out the zero elements from the elts. */
378 /* All the bits are zero. We could shrink the elts.
379 For now just mark BSET as known to be zero. */
389 /* Set all bits in the bitset to zero. */
408 /* All the bits are zero. We could shrink the elts.
409 For now just mark BSET as known to be zero. */
535 /* If all the data is zero, perhaps we should remove it now...
915 /* All the bits are zero. We could shrink the elts.
916 For now just mark DST as known to be zero. */
935 or substitute zero elements if src elements not found. */