List on behalf of
Mike Shaw
Sent: Tuesday, August 13, 2019 10:33 AM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: [SUSPECTED SPAM] Re: Instruction speeds
On 8/12/2019 9:33 PM, Christopher Y. Blaicher wrote:
> ..>
> JUMPs are faster than BRANCHes.
> .
I don't know what you mean by
On 2019-08-13 10:33, Mike Shaw wrote:
JNE generates the same machine instruction as BNE, etc.
Nope.
Are you possibly fooling yourself by looking at code that uses IEABRC or
IEABRCX?
--
Regards, Gord Tomlin
Action Software International
(a division of Mazda Computer Corporation)
Tel: (905)
DU] On Behalf
Of Mike Shaw
Sent: Tuesday, August 13, 2019 7:34 AM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: [SUSPECTED SPAM] Re: Instruction speeds
On 8/12/2019 9:33 PM, Christopher Y. Blaicher wrote:
> ..>
> JUMPs are faster than BRANCHes.
> .
I don't know what you m
Mike,
I believe the difference is related to the fact that branch instructions
require a base register and jump does not.
Thank you,
Brian Chapman
On Tue, Aug 13, 2019 at 10:40 AM Mike Shaw wrote:
> On 8/12/2019 9:33 PM, Christopher Y. Blaicher wrote:
> > ..>
> > JUMPs are faster than
On 8/12/2019 9:33 PM, Christopher Y. Blaicher wrote:
..>
JUMPs are faster than BRANCHes.
.
I don't know what you mean by that Chris.
The various types of Jump instructions are just extended mnemonics for
various types of Branch instructions. JNE generates the same machine
instructio
