-Ofast invokes IPA (interprocedural optimizer) which is not supported
at this point. You should be using -O (same as -O2), -O1, -O0 and -O3
-O3 invokes lno (loop nest optimizer). -O2 invokes wopt (global optimizer).
Perhaps SGI people can consider releasing the changes needed to make
gld to work with IPA so people can use -Ofast at their own risk. There's
still might be a problem. I don't remember exactly, -Ofast might also
involves feedback which is not released yet.
Sun Chan
> -----Original Message-----
> From: Wayne Vieira [mailto:waynev@xxxxxxxxxxxxx]
> Sent: Wednesday, January 10, 2001 10:32 AM
> To: pro64-support@xxxxxxxxxxx
> Subject: Optimizations
>
>
> When I compile codes with -Ofast, I get the following error at link
> time:
>
> % 13% sgicc -Ofast hello.c
> sgicc ERROR: cannot exec
> /usr/lib/gcc-lib/ia64-sgi-linux/sgicc-1.0/ipa_link
>
> The file referenced isn't there. Is it supposed to be? Is
> this option
> just not available yet, or was my RPM just missing this file?
>
> Wayne
>
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