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Re: [RFA] Code gen improvement for sim-decode.scm
- To: Ben Elliston <bje at redhat dot com>
- Subject: Re: [RFA] Code gen improvement for sim-decode.scm
- From: "Frank Ch. Eigler" <fche at redhat dot com>
- Date: Wed, 6 Dec 2000 20:36:17 -0500
- Cc: CGEN <cgen at sources dot redhat dot com>
- References: <Pine.LNX.4.30.0012062338170.12462-100000@moshpit.cygnus.com>
Hi -
On Wed, Dec 06, 2000 at 11:40:18PM +1100, Ben Elliston wrote:
: The following patch improves the generated extraction code -- such that an
: `insn' variable is not defined for instructions that have zero ifields.
: [...]
Are you convinced that nothing can possibly use that variable
except ifield extraction? Is the improvement to generated code
merely the removal of a gcc warning? (It should be able to
zap an unused variable, resulting in no performance difference.)
- FChE
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