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Re: Exploiting dual mode operation
- From: Joern Rennecke <joern dot rennecke at superh dot com>
- To: NAMOLARU at il dot ibm dot com (Mircea Namolaru)
- Cc: gcc at gcc dot gnu dot org, LEEHOD at il dot ibm dot com (Leehod Baruch)
- Date: Wed, 21 Apr 2004 19:26:37 +0100 (BST)
- Subject: Re: Exploiting dual mode operation
> We are working on an optimization for eliminating redundant sign extension
> instructions by making use of this duality. Currently this is done only in
> very
> simple cases.
I have already submitted a patch for this:
http://gcc.gnu.org/ml/gcc-patches/2004-01/msg03259.html
It is still waiting for review.