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
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