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Re: Enable -fomit-frame-pointer on i386

> On Sat, Feb 07, 2004 at 07:01:19PM -0500, Jeff Sturm wrote:
> 
> > > 	* i386.c (override_options): Enable -fomit-frame-pointer and
> > > 	-fasynchronous-unwind-tables by default on i386.
> > 
> > Hmm... am I correct in thinking that backtrace() from glibc will not work
> > with -fomit-frame-pointer?  That may be a problem for libjava.
> 
> Just FYI, it will also make oprofile's call-graph mode near useless when
> this is adopted by the distributions. I realise that nobody will care
> when compared to the speed improvements, but it's certainly
> inconvenient.

oprofile can be turned to use dwarf2 based unwinding too.  That would be
necessary to get it working on x86-64 anyway.

Honza
> 
> regards,
> john
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