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Re: changing the SPARC default


> Date: Thu, 16 Mar 2006 18:51:59 -0800 (PST)
> From: Alexey Starovoytov <alexey.starovoytov@sun.com>
> 
> On Thu, 16 Mar 2006, Joel Sherrill wrote:

> It seems everybody agreed that solaris 10+ can be changed to -mcpu=v9 default.
> Great!
> What are the thoughts about Solaris 7,8,9 ?
> 
> They don't run on embedded sparcs and the legacy of sun4c, sun4m, sun4d
> systems can now be found mostly on ebay alongside 8bit ISA video card.

A datapoint: Solaris 7 runs on sun4c systems.  In fact, it is the
*LAST* Solaris released with support for the sun4c architecture.

> Really, solaris gcc users of sun4c rarity can always configure gcc with
> --with_cpu=v7 or v8. Most of the solaris gcc users are on ultra2 and 3
> and should see immediate benefit of better default.
> I guess it's worth to sacrifice the convenience of the default install
> for sun4c users, so the rest solaris gcc users can have better performance.
> 
> Alex.

David


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