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On Mon, 2005-05-23 at 06:54, Jan Beulich wrote: > I additionallly wonder whether M-unit NOPs shouldn't be preferred over I- > unit ones (by letting extra_goodness return 2 only for an M-unit match, but > 1 for an I-unit match). We will get a lot more M nops this way, but that is probably a good thing since we have 4 M issue slots and only 2 I issue slots. I suspect this would result in more dual issued bundles. Hard to say without doing an experiment though. > * config/tc-ia64.c (md_begin): Don't try to match slot 2 of an MLX > template. OK. While looking at this, I noticed that the comment before extra_goodness is out-of-date. HJ forgot to update it when he changed the code. Also, I wanted to double check that the result was OK, so I added some debugging code to print out the best_template array, so I could make sure it was OK after this change. I've attached the patch I wrote for this. I plan to check this in after you check in your patch. -- Jim Wilson, GNU Tools Support, http://www.SpecifixInc.com
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