RE: [Sdcc-user] missing possible optimizations?

[Josh S. <jo...@4s...>]

Cool, thanks.  I'll put that in and see what happens.

-----Original Message-----
From: sdc...@li...
[mailto:sdc...@li...]On Behalf Of Bernhard Held
Sent: Tuesday, July 08, 2003 1:44 AM
To: sdc...@li...
Subject: Re: [Sdcc-user] missing possible optimizations?


> <test.asm snip>
> 155: mov r2,a
> 158: mov a,#0x01
> 160: add a,r2
>
> This could be optimized to:
> mov r2,a
> inc a
> This could be corrected with a peep-file, but it seems like something that
> the compiler should have done better in the first place.
Ack. I've got a patch for this problem, but it clashes with the
over-optimistic peephole rule #212. This rule is hit quite often in model
stack-auto. Therefore I didn't apply the patch to keep rule #212.

Bernhard