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Re:

To: "Kevin D. Kissell" <kevink@paralogos.com>
Subject: Re:
From: Manuel Lauss <manuel.lauss@googlemail.com>
Date: Fri, 11 Jun 2010 20:28:48 +0200
Cc: David Daney <ddaney@caviumnetworks.com>, Jabir M <Jabir_M@pmc-sierra.com>, linux-mips@linux-mips.org, ralf@linux-mips.org
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On Fri, Jun 11, 2010 at 7:33 PM, Kevin D. Kissell <kevink@paralogos.com> wrote:
> An optimized, assembly-language soft-float library implementation is *much*
> faster than the kernel emulator, but I benchmarked it once upon a time
> against a portable gnu soft-float library in C, and the difference wasn't
> nearly as dramatic.

The in-kernel emulator always works.  The float conformance test app Ralf
pointed out a few weeks ago doesn't run correctly when built with a recent
softfloat gcc with any optimization higher than O0 (tested with 4.4.4, 4.3.4).
I'd take correctness over speed any day of the week...

Manuel

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