Element select/replace apparatus for a vector computing system

Claim 1

An apparatus for transferring elements of a first vector stream having selected indices to a third vector stream comprising: a. first register means for receiving a first data vector stream element by element; b. second register means for receiving a second vector stream element by element, said second vector stream defining selected indices of said first vector stream; c. index generating means for generating a sequence of vector indices corresponding to the indices of vector elements of said first vector stream as such vector elements are received in said first register means; d. comparator means coupled to said second register means and to said index generating means for comparing said selected indices with said generated indices; e. output register means for storing vector elements of said first vector stream; and f. gating means responsive to said comparison means, coupling said first input register means to said output register means, wherein vector elements of said first vector stream are transferred from said first register means to said output register means only if the index of such vector elements correspond to the selected indices defined by said second vector stream.

Claim 2

An apparatus for transferring elements of a first vector stream having selected indices to a third vector stream comprising: a. first register means for receiving a first data vector stream element by element; b. second register means for receiving a second vector stream element by element, said second vector stream defining selected indices of said first vector stream; c. index generating means for generating a sequence of vector indices corresponding to the indices of vector elements of said first vector stream as such vector elements are received in said first register means; d. comparator means coupled to said second register means and to said index generating means for comparing said selected indices with said generated indices; e. output register means for storing vector elements of said first vector stream; and f. gating means responsive to said comparison means, coupling said first input register means to said output register means, wherein vector elements of said first vector stream are transferred from said first register means to said output register means only if the index of such vector elements correspond to the selected indices defined by said second vector stream.

Claim 7

An apparatus for transferring elements of a first vector stream to replace selected elements of a third vector stream comprising: a. first register means for receiving a first vector stream element by element; b. second register means for receiving a second vector stream element by element, said second vector stream defining selected indices of a third vector stream which are to be replaced by elements of said first vector stream; c. index generating means for generating a sequence of vector indices corresponding to the indices of the vector elements of said third vector stream; d. comparator means coupled to said second register means and to said index generating means for comparing said selected indices with said generated indices; e. output register means for storing vector elements of said first vector stream; and f. gating means responsive to said comparator means, coupling said first input register means to said output register means, wherein vector elements of said first vector stream are transferred from said first register means to said output register means only if the indices of said third vector stream defined by said generated indices correspond to the selEcted indices defined by said second vector stream.

Claim 8

An apparatus for transferring elements of a first vector stream to replace selected elements of a third vector stream comprising: a. first register means for receiving a first vector stream element by element; b. second register means for receiving a second vector stream element by element, said second vector stream defining selected indices of a third vector stream which are to be replaced by elements of said first vector stream; c. index generating means for generating a sequence of vector indices corresponding to the indices of the vector elements of said third vector stream; d. comparator means coupled to said second register means and to said index generating means for comparing said selected indices with said generated indices; e. output register means for storing vector elements of said first vector stream; and f. gating means responsive to said comparator means, coupling said first input register means to said output register means, wherein vector elements of said first vector stream are transferred from said first register means to said output register means only if the indices of said third vector stream defined by said generated indices correspond to the selEcted indices defined by said second vector stream.

Claim 13

An apparatus for transferring elements of a first vector stream having selected indices to a third vector stream in a select mode and for transferring elements of a first vector stream to replace selected elements of a third vector stream in a replace mode comprising: a. first register means for receiving a first vector stream element by element; b. second register means for receiving a second vector stream element by element, said second vector stream defining the selected indices; c. index generating means for generating a continuous sequence of vector indices; d. comparator means coupled to said second register means and to said index generating means for comparing said selected indices with said generated indices; e. output register means for storing vector elements of said first vector stream; f. gating means responsive to said comparator means, coupling said first input register means to said output register means wherein vector elements of said first vector stream are transferred from said first register means to said output register means only if the indices generated by said index generating means corresponds to the selected indices defined by said second vector stream; and g. control means responsive to select and replace signals for controlling the receiving of vector elements by the first and second registers in accordance with the respective mode.

Claim 14

An apparatus for transferring elements of a first vector stream having selected indices to a third vector stream in a select mode and for transferring elements of a first vector stream to replace selected elements of a third vector stream in a replace mode comprising: a. first register means for receiving a first vector stream element by element; b. second register means for receiving a second vector stream element by element, said second vector stream defining the selected indices; c. index generating means for generating a continuous sequence of vector indices; d. comparator means coupled to said second register means and to said index generating means for comparing said selected indices with said generated indices; e. output register means for storing vector elements of said first vector stream; f. gating means responsive to said comparator means, coupling said first input register means to said output register means wherein vector elements of said first vector stream are transferred from said first register means to said output register means only if the indices generated by said index generating means corresponds to the selected indices defined by said second vector stream; and g. control means responsive to select and replace signals for controlling the receiving of vector elements by the first and second registers in accordance with the respective mode.