Register allocation apparatus

Details Register allocation apparatus Register allocation apparatus

1980-09-03

1983-03-29

Thomas, James D.

Boots, shoes, and leggings

G06F 1130

Patent

active

043785905

ABSTRACT:
Register selection apparatus which includes a plurality of specially mapped programmable memories each addressed by a respective portion of an updatable allocation register which indicates the free and assigned states of a plurality of registers. The resulting memory words read out from the memories are applied to a plurality of multiplexers for identifying a particular predetermined group of registers as being available for assignment. The memory words also provide signals for use in determining whether a sufficient number of free registers are currently available for assignment.

REFERENCES:
patent: 3348210 (1967-10-01), Ochsner
patent: 3643227 (1972-02-01), Smith et al.
patent: 4047160 (1977-09-01), Wolf
patent: 4084228 (1978-04-01), Dufond et al.
patent: 4121286 (1978-10-01), Venton et al.
patent: 4214305 (1980-07-01), Tokita et al.

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