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Re: [gpsd-dev] register keyword?
From: |
Gary E. Miller |
Subject: |
Re: [gpsd-dev] register keyword? |
Date: |
Mon, 22 Jan 2018 17:35:58 -0800 |
Yo Hal!
On Mon, 22 Jan 2018 17:29:13 -0800
Hal Murray <address@hidden> wrote:
> address@hidden said:
> > At one point, someone thought the register keyword made a
> > difference.
>
> 50 years ago? Times have changed.
> (Maybe only 40.)
So play with it yourself on the godbolt site. You can see, for some
combinations of gcc and optimization flags that it does make a nice
difference in the asmembly code.
> > There is no obvious win to removing it.
>
> Reduced clutter. Not a big deal, but lots of little things add up.
Yes, but that clutter was added for a reason. My just playing with
godbolt shows it may still make a difference.
RGDS
GARY
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Gary E. Miller Rellim 109 NW Wilmington Ave., Suite E, Bend, OR 97703
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Re: [gpsd-dev] register keyword?, Hal Murray, 2018/01/22