US-IIICu, Fujitsu's sparc64 and The Sun Studio Compilers...

From: coyote@cojot.name
Date: Thu May 12 2005 - 04:26:53 EDT


Dear Sun Managers,

In the midst of SUN telling us to ask Fujitsu and Fujitsu saying they're
100%-compatible-period, I'd like to verify something:

I have inherited an app which was compiled on a V480 (US-IIICu/US-III+) with a
relatively recent Sun Studio. The '-fast' argument was used during compile,
resulting in '-xarch=native' thereby implying '-xarch=ultra3cu' on a V480.

I know that such US-III optimized binaries won't execute at all on sun4u
systems using US-II, US-IIe, US-IIi processors.

My question here is: Will the code execute at all on a Fujitsu PrimePower 250N
(sparc64 V, 1.32GHz, sun4us) if it was compiled with '-xtarget=ultra3cu'?

My guts feeling is that it won't execute (After all, Fujitsu has their own
compiler suite) and will need to be recompiled.. I am unable to verify/validate
this because I do not have a Fujitsu test machine at this time.

Anyone with more information/experience/documents?

Thanks for reading,

-- 
,-*~'`^`'~*-,._.,-*~'`^`'~*-,._.,-*~'`^`'~*-,._.,-*~'`^`'~*-,._.,-*~'`^`'~*-,
Vincent S. Cojot, Computer Engineering. STEP project. _.,-*~'`^`'~*-,._.,-*~
Ecole Polytechnique de Montreal, Comite Micro-Informatique. _.,-*~'`^`'~*-,.
Linux Xview/OpenLook resources page _.,-*~'`^`'~*-,._.,-*~'`^`'~*-,._.,-*~'
http://step.polymtl.ca/~coyote  _.,-*~'`^`'~*-,._ coyote@NOSPAM4cojot.name
They cannot scare me with their empty spaces
Between stars - on stars where no human race is
I have it in me so much nearer home
To scare myself with my own desert places.       - Robert Frost
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