Denis Chertykov wrote:
I think that sequence of compare + cond-jump will exists in any
compiler pass.
Combine can optimize away compares, if you have other instructions that
set the condition code register to useful values. This optimization
will only work correctly if instructions that set or c
Bernardo Innocenti <[EMAIL PROTECTED]> writes:
> Denis Chertykov wrote:
>
> > I have converted the AVR port from CC0 to CCmode.
>
> That's indeed very good news. Incidentally, CC0
> conversion of the AVR target was being discussed
> in an off-list thread with Andy Hutchinson.
>
>
> > But may
Hi Denis,
I have had a look at your patch. It generally seems to work. Presently it
still misses some optimization where the old cc0 back-end was smarter. The
testsuite also reports a couple of new failures.
Yours,
Björn.
Here are a couple of cases where the old cc0 interface generated bette
Denis Chertykov wrote:
I have converted the AVR port from CC0 to CCmode.
That's indeed very good news. Incidentally, CC0
conversion of the AVR target was being discussed
in an off-list thread with Andy Hutchinson.
But may be I have converted the port in wrong way.
(It's because I was interested i
