Gentoo Archives: gentoo-dev

From: Donnie Berkholz <dberkholz@g.o>
To: gentoo-dev@l.g.o
Subject: Re: [gentoo-dev] Re: [RFC] CFLAGS paragraph for the GWN
Date: Sun, 01 Oct 2006 16:52:37
Message-Id: 451FF1A4.8030106@gentoo.org
In Reply to: [gentoo-dev] Re: [RFC] CFLAGS paragraph for the GWN by Duncan <1i5t5.duncan@cox.net>
Duncan wrote:
> Could you point me at some info on this one (-ftree-vectorize)? It came > up on the amd64 list a week or so ago, when someone asked what I thought > of it and why I didn't have it in my cflags (which I had just explained). > I said I didn't know enough about it to make a case either way, and as > such, didn't choose to use it. However, after a bit of discussion, I > decided to add it to my cflags on a very experimental basis. I haven't > experienced any issues with it, but then I haven't done any major > compiling since then either, only the routine updates. > > If I had rather more info on it, therefore, particularly on why it might > break stuff, I'd be able to pass it on, telling the list and in particular > the guy that asked, why it's NOT a good thing to use. Thus, point me at > it, if you got it. Even something as simple as a list of bugs traced to > it would be useful as something I could point at, if that's what you are > basing your remark on.
I can't give you reasons, but I can tell you it totally broke my x86 system a while back. Thanks, Donnie -- gentoo-dev@g.o mailing list

Replies

Subject Author
Re: [gentoo-dev] Re: [RFC] CFLAGS paragraph for the GWN "Diego 'Flameeyes' Pettenò" <flameeyes@g.o>