[Mesa-dev] [Bug 27512] Illegal instruction _mesa_x86_64_transform_points4_general

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=27512

--- Comment #11 from Patrick Baggett <baggett.patrick at gmail.com> ---
Created attachment 120822
  --> https://bugs.freedesktop.org/attachment.cgi?id=120822&action=edit
Use prefetcht1 instead of prefetch[w]

This should fix the SIGILL when running this code. It replaces 3DNow!
prefetch[w] instructions with SSE prefetcht1. I'm still not convinced that the
prefetch logic actually has any beneficial performance characteristics.

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