Method and apparatus for recovering from an incorrect branch pre

Details Method and apparatus for recovering from an incorrect branch pre Method and apparatus for recovering from an incorrect branch pre

1989-05-24

1991-12-10

Lee, Thomas C.

Boots, shoes, and leggings

3642318, 3642624, 3642628, 364263, 3642631, 3642629, 364DIG1, G06F 938, G06F 942, G06F 926, G06F 930

Patent

active

050723642

ABSTRACT:
A branch recovery mechanism completes the processing of a concurrently issued family of instructions depending on the location of the branch instruction in the family and on whether the branch was correctly predicted. If the branch was not correctly predicted, the writes and stores of instructions in the family the precede the branch instruction are completed and those instructions are retired. However, the writes and stores of the instructions in the family following the branch instruction are inhibited.

REFERENCES:
patent: 4398243 (1983-08-01), Holberger et al.
patent: 4685058 (1987-08-01), Lee et al.
patent: 4760519 (1988-07-01), Papworth et al.
patent: 4777587 (1988-10-01), Case et al.
patent: 4777594 (1988-10-01), Jones et al.

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