 | Словари, Словарь Dictionary |
| jump trace buffer (JTB) A feature of some processors (e.g. , ?) which stores the source and destination addresses of the last few branch instuctions executed. When a branch instruction is fetched, its source is looked for in the JTB. If found, the next instuction fetch will be from the previous destination of that branch. If it turns out that the branch shouldn't have been taken this time, then the is flushed. This means that in a it is not necessary to flush the every time you jump back to the start. (1994-12-15) |
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