[zeromq-dev] Sun Studio on Linux assembler

Martin Lucina mato at kotelna.sk
Fri May 28 01:12:35 CEST 2010


steven.mccoy at miru.hk said:
> I worked out what format of asm statements work in Sun Studio on Linux, rather
> dubious as the compiler doesn't support clobber clauses and hence I have no
> idea if it implements a memory barrier.  Oracle only bundle the correct CRT to
> link against gcc libraries such as GLib for 32-bit targets so I cannot actually
> test on my 64-bit host whether it's functionally correct.  Considering this and
> that Oracle recommend linking to so called inline assembler rather than real
> inline assembly I'll hold off submitting any patches.
> 
> Seriously how popular are Sun Studio, xlc, Watcom, Digital Mars, or Open64 on
> Linux?
> 
> http://code.google.com/p/openpgm/source/browse/trunk/openpgm/pgm/include/pgm/
> atomic.h

Ick, yes, Sun Studio has no sane support for inline asm. I'd not bother
with it. :-)

I have a feeling that when I last looked Intel C did support proper GCC
inline asm. icc is actually damn good, and can get nice performance
improvements for some scenarios.

-mato



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