Method and means for moving bytes in a reduced instruction set c

Details Method and means for moving bytes in a reduced instruction set c Method and means for moving bytes in a reduced instruction set c

1985-06-28

1988-04-19

Harkcom, Gary V.

Boots, shoes, and leggings

G06F 900

Patent

active

047394714

ABSTRACT:
A basic instruction for moving a string of bytes in a word has been devised. Because the operations in the instruction are basic, very few variations are necessary to accommodate diversity of lengths and variables. These operations are imbedded in a single code sequence; the compiler can therefore generate exactly the minimum sequence necessary to perform the operations and can precompute many of the operands at compile time, typically completing the instruction within a single cycle time. The control necessary to optimize the operations is then in the compiler instead of the hardware.

REFERENCES:
patent: 4569016 (1986-02-01), Hao et al.
Intel, "User's Manual", 10/79, pp. 5-4.
Radin, "The 801 Minicomputer", 3/82, ACM, pp. 39 & 44.
Patterson et al, "RISC", 5/81, IEEE, pp. 443, 445, 448 and 453.

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