[Mesa-dev] [PATCH 11/11] i965/vec4: Fix handling of multiple register reads and writes in dead_code_eliminate().

[Matt Turner]

On Fri, Mar 20, 2015 at 7:50 AM, Francisco Jerez <currojerez at riseup.net> wrote:
> ---
> This change obsoletes "[PATCH 26/32] i965/vec4: Don't assume a value
> is dead when its VGRF is only partially overwritten." [1].  With
> per-subregister liveness information we can now fix it properly.
>
> [1] http://lists.freedesktop.org/archives/mesa-dev/2015-February/076109.html

Presumably also fixes the vec4 problem mentioned in

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=86974