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Re: H8/300H code size issues (RTX_COSTS)
- From: tm <tm at mail dot kloo dot net>
- To: Kazu Hirata <kazu at cs dot umass dot edu>
- Cc: gcc-bugs at gcc dot gnu dot org, law at redhat dot com
- Date: Wed, 13 Nov 2002 11:26:44 -0800 (PST)
- Subject: Re: H8/300H code size issues (RTX_COSTS)
On Wed, 13 Nov 2002, Kazu Hirata wrote:
> Hi Toshi,
>
> > BTW, I've been looking at code size issues on the H8/300H, and I've
> > found some interesting things lately.
>
> For at least several months, I've kept a patch for shift insn portion
> of RTX_COSTS. I just tried the patch again, and saw that about 800
> lines of assembly code were cut down in newlib.
>
> This may not reduce your code by 50% but may be a good starting point.
>
> Would you mind sending me a preprocessed copy of your code?
>
> Kazu Hirata
Will send in private mail to avoid torturing POTS modem users.
Toshi