Method and apparatus for aligning an instruction boundary in var

Details Method and apparatus for aligning an instruction boundary in var Method and apparatus for aligning an instruction boundary in var

1996-09-20

1998-10-13

Donaghue, Larry D.

395800, 395380, 395386, G06F 930

Patent

active

058225552

ABSTRACT:
A circuit and method for supplying and aligning a block of multiple variable length macro instructions to an instruction buffer. Only one cycle is required to align and rotate the block of instruction code. A last byte vector of the instruction code in the instruction buffer is scanned from the last byte in a direction from back to front, thereby saving time. Rotating begins immediately so that a next block of instruction code is available in a next cycle. The block is stored in the instruction buffer after all macroinstructions therein have been steered to the decoder.

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