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Re: Loop optimization bug with Ada front end on PPC (and probably Alpha)
On Tue, Nov 27, 2001 at 01:52:41PM -0600, Corey Minyard wrote:
> Unforunately, this causes my original problem to come back. I'm nervous
> about this patch, too, I don't understand it at all.
This original problem is the Ada test case you forwarded,
or something else?
> I tried moving this test to doloop_modify_runtime in doloop.c and adding
> the increment to the "diff" rtx in this situation, and it works in my
> simple testcase and didn't cause the problem in the regression.
Hum. Perhaps you're right -- putting this change in doloop
will limit liability, so to speak. I'll move my change.