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Re: C++ compile-time regressions (was: GCC 3.0.1 Status Report)
- To: Daniel Berlin <dan at cgsoftware dot com>
- Subject: Re: C++ compile-time regressions (was: GCC 3.0.1 Status Report)
- From: law at redhat dot com
- Date: Mon, 23 Jul 2001 15:02:59 -0600
- cc: Gerald Pfeifer <pfeifer at dbai dot tuwien dot ac dot at>, Mark Mitchell <mark at codesourcery dot com>, Joe Buck <jbuck at synopsys dot com>, "gcc at gcc dot gnu dot org" <gcc at gcc dot gnu dot org>
- Reply-To: law at redhat dot com
In message <856548000.995904843@[192.168.0.106]>you write:
> > In message <877kwzearp.fsf@cgsoftware.com>you write:
> > > Past that, e very other compiler i know of started using region based
> > compi > ling
> > > (HP's ELCOR, SGI Pro64, SGI's mipspro, Intel's compilers,
> > > IBM's compilers, etc) in order to cut down the compile time while
> > speeding > up the code.
> > I know that SGI's compiler doesn't actually do region stuff. They ran
> > into a rats nest of problems with the actual implementation.
> >
>
> Err, the source code for pro64 has it in there, and at O2 and O3, it
> certainly goes through that code, and appears to create regions/use them.
Certainly all the code is in there, but it's not being used (actually, I
think their team mentioned one case where it is used, but it was fairly minor).
jeff