Sujet : Re: Decrement And Branch
De : mitchalsup (at) *nospam* aol.com (MitchAlsup1)
Groupes : comp.archDate : 15. Aug 2024, 02:25:01
Autres entêtes
Organisation : Rocksolid Light
Message-ID : <5077dc83246b2e6cf07660f4d18c70ab@www.novabbs.org>
References : 1 2 3 4
User-Agent : Rocksolid Light
On Wed, 14 Aug 2024 23:58:58 +0000, Lawrence D'Oliveiro wrote:
On Wed, 14 Aug 2024 09:10:01 GMT, Anton Ertl wrote:
>
Lawrence D'Oliveiro <ldo@nz.invalid> writes:
>
Like I said, I wondered why this sort of thing wasn't more common ...
>
For the early RISCs, the pipeline was designed for early branch
execution.
>
Note that I was referring to the decrement-down-to-minus-1 form, as
opposed to the decrement-down-to-zero form.
Once one has FMAC with 3 source operands, one has encoding to have
ADD-CMP-BC as 1 instruction.
Decrement And Branch
Re: Decrement And Branch