Re: compilers using MMX instructions in the generated code

olefevre@my-deja.com
12 Jan 2000 03:48:05 -0500

          From comp.compilers

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Re: compilers using MMX instructions in the generated code bcombee@metrowerks.com (2000-01-19)
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From: olefevre@my-deja.com
Newsgroups: comp.compilers
Date: 12 Jan 2000 03:48:05 -0500
Organization: Deja.com - Before you buy.
References: 00-01-011 00-01-017
Keywords: architecture, optimize

bcombee@metrowerks.com wrote [ Metrowerks can use SIMD all by
itself on x86 ]


I am impressed. Yours is the only compiler I know (for any platform)
that attempts for make use of these vector instructions. Isn't it
ironic that we now have these mini-vector/DSP engines inside almost
every desktop chip (at least Pentium, SPARC, PPc) but compilers (even
vendor compilers!) still can't take advantage of it?


Incidentally, if compilers writers cannot or will not do better
(several *years* after MMX etc were released), that does not bode
well for the next generation of hardware (i.e., EPIC, MAJC etc).


Regards,


-- O.L.


NB: I know about MMX-, VIS- etc-aware libraries and "macro" tricks
but that it is a different topic entirely.


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