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- From: Rocky Rhodes <rhodes@sgi.com>
- To: "'Steven Parker'" <sparker@cs.utah.edu>
- Cc: "'manta@sci.utah.edu'" <manta@sci.utah.edu>
- Subject: RE: [MANTA] Mac G5 problems
- Date: Tue, 31 May 2005 15:11:26 -0700
My phong.cc file was a little different from the one checked into the tree.
I got rid of my changes and now everything looks good. The changes worked
fine on the Altix, and also looked fine on the Mac with only -O3 compiler
flag. Some day I'll look into the cause of the problem and report the G5
g++ compiler bug. ;^)
Rocky
>
-----Original Message-----
>
From: Steven Parker [mailto:sparker@cs.utah.edu]
>
Sent: Tuesday, May 31, 2005 2:44 PM
>
To: Rocky Rhodes
>
Cc: 'manta@sci.utah.edu'
>
Subject: Re: [MANTA] Mac G5 problems
>
>
You must not be living right. I have this:
>
>
g++ --version
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powerpc-apple-darwin8-g++-4.0.0 (GCC) 4.0.0 20041026 (Apple Computer,
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Inc. build 4061)
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>
uname -a
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Darwin taz.sci.utah.edu 8.1.0 Darwin Kernel Version 8.1.0: Tue May 10
>
18:16:08 PDT 2005; root:xnu-792.1.5.obj~4/RELEASE_PPC Power Macintosh
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powerpc
>
>
I just checked out a fresh copy, set the build mode to Release, and it
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worked fine.
>
>
Note that you get a significant performance improvement by adding
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-malign-natural to the set of command line flags. However, it doesn't
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work on the old gcc, so we didn't make it the default.
>
>
Andrew, or someone else with a Mac - can you check the same thing?
>
>
Steve
>
>
On May 31, 2005, at 3:12 PM, Rocky Rhodes wrote:
>
>
> I'm trying to get manta working on a G5 Mac here. I've built the main
>
> trunk with a RELEASE build type that causes a whole lot of compiler
>
> flags to get used. The resulting binary has some issues, as
>
> illustrated by the attached image. When I compile with only "-O3"
>
> the image looks fine. Anyone seen this before?
>
>
>
> "g++ -- version" reports powerpc-apple-darwin8-g++-4.0.0 (GCC) 4.0.0
>
> 20041026 (Apple Computer, Inc. build 4061).
>
>
>
> Rocky
>
> <snap.jpg>
- [MANTA] Mac G5 problems, Rocky Rhodes, 05/31/2005
- <Possible follow-up(s)>
- RE: [MANTA] Mac G5 problems, Rocky Rhodes, 05/31/2005
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