adding "new" instructions

"Ashutosh Dhodapkar" <dhodapka@ece.wisc.edu>
31 Jul 2002 01:19:57 -0400

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adding "new" instructions dhodapka@ece.wisc.edu (Ashutosh Dhodapkar) (2002-07-31)
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From: "Ashutosh Dhodapkar" <dhodapka@ece.wisc.edu>
Newsgroups: comp.compilers
Date: 31 Jul 2002 01:19:57 -0400
Organization: University of Wisconsin, Madison
Keywords: architecture, design
Posted-Date: 31 Jul 2002 01:19:57 EDT

I hope I am posting to the appropriate newsgroup. I want to implement
some "new" powerPC instructions for my research. I plan to use some of
the reserved bits in the instruction formats to do so.


The problem is - How do I make the compiler recognize this new
instruction and generate the correct bits in the binary? I guess I
could do this by hacking the instruction definition files in gcc. Can
anyone help me with this?


thanks,
ashutosh


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