https://gcc.gnu.org/bugzilla/show_bug.cgi?id=39201
Eric Gallager changed:
What|Removed |Added
Status|NEW |RESOLVED
CC|
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39201
Bug 39201 depends on bug 39200, which changed state.
Bug 39200 Summary: ivopts slows down SciMark sparse matrix benchmark
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39200
What|Removed |Added
---
--- Comment #3 from bonzini at gnu dot org 2009-02-16 09:56 ---
Subject: Re: [meta-bug] ivopts metabug
> I'm adding PR 34163 in the hope that ivopts pass will someday know how to
> handle x[n] = f (x[n-1]) from "... very tight loops that calculate x[n] from
> the value x[n-1], where x[
--- Comment #2 from ubizjak at gmail dot com 2009-02-16 09:44 ---
I'm adding PR 34163 in the hope that ivopts pass will someday know how to
handle x[n] = f (x[n-1]) from "... very tight loops that calculate x[n] from
the value x[n-1], where x[n-1] is the result of a previous step."
This
