Subject: Re: major revision of kernel 'evcnt' interfaces.
To: Anders Magnusson <email@example.com>
From: Jason R Thorpe <firstname.lastname@example.org>
Date: 06/03/2000 15:13:55
On Sun, Jun 04, 2000 at 12:02:23AM +0200, Anders Magnusson wrote:
> > Sounds like it's time to add a new pattern to vax.md!! :-)
> Eh, new pattern? There are no 64-bit add/sub insn's on vax.
> (but there are move, shift and other...)
> Microcode hacking maybe? :-)
From a discussion w/ Matt Thomas, sounds like 64-bit add can be
done with two instructions (tho, I don't have the ICB backlock
anymore). If GCC isn't emitting those two insns to do a 64-bit
add, well, add a new pattern :-)
-- Jason R. Thorpe <email@example.com>