[Mesa-dev] [PATCH 1/2] mesa: remove buggy assertions in unpack Z24

[Eric Anholt]

On Sun, 20 Nov 2011 15:08:55 +0100, Marek Olšák <maraeo at gmail.com> wrote:
> unpack_float_z_Z24_X8 fails with -O2 in:
> - fbo-blit-d24s8
> - fbo-depth-sample-compare
> - fbo-readpixels-depth-formats
> - glean/depthStencil
> 
> With -O0, it works fine.
> 
> I am removing all the assertions. There's not much point in having them,
> is there?

Is -ffast-math involved at all?

At a guess, replacing "* scale" with "/ (float)0xffffff" makes the
failure happen either way?
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