Very Computer

This isn't really linux specific, but since I got no answer in the gcc groups:

Can anyone tell me what's the best way to use gcc to optimize for an AMD cpu?
(specifically, K6)

would I just use gcc -mpentium?
how does that compare to a "real" pentium at the same speed?

[I haven't bought the system yet. I want to know what the extra $200 would
 get me]

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"initiating.. 'getting the hell out of here' maneouver" - Lennier, babylon5

I use pgcc with my K6-2 system using the -march=amdk6 -mcpu=amdk6
flags. But I really don't known what are the improvements as i didn't
ran any bench.

Quote:

> would I just use gcc -mpentium?
> how does that compare to a "real" pentium at the same speed?

A little bit less efficient on the floating point unit as usual.

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Interesting.... I'm assuming pgcc is just a trivial variant of gcc.
Perhaps gcc 2.8.1 supports -mamdk6? but that isn't mentioned in
the "info" files.

Or.... maybe not. I just grepped the source.

What is pgcc?

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[trim the no-bots from my address to reply to me by email!]
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"initiating.. 'getting the hell out of here' maneouver" - Lennier, babylon5

an Intel Pentium Enhanced/optimized gcc compiler

can  someone clarify this, but I in the back of my head I think I read about it first
in one of the Intel pages,
was Intel involved in creating this compiler

pgcc is a patched version of egcs optimized for pentium processors. It
usualy introduce a gain in speed of 5% to 30%.

Home page: http://goof.com/pcg/index.html

Manu.
--
As long as there are ill-defined goals, bizarre bugs, and unrealistic
schedules, there will be Real Programmers willing to jump in and Solve
The Problem, saving the documentation for later.