[Bug 89569] New: Papo & Yo crash on startup [HSW]

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=89569

            Bug ID: 89569
           Summary: Papo & Yo crash on startup [HSW]
           Product: Mesa
           Version: git
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/DRI/i965
          Assignee: idr at freedesktop.org
          Reporter: lemody at gmail.com
        QA Contact: intel-3d-bugs at lists.freedesktop.org

When loading level "Papo & Yo" hits following assertion:

PYGame-Linux: brw_eu_emit.c:473: brw_set_src1: Assertion
`brw_inst_src0_reg_file(brw, inst) != 3' failed.

I've bisected this to following commit:
--------- 8< ---------------------------

commit bb33a31c3830945ae768ebdaeb686291bdf897fa
Author: Matt Turner <mattst88 at gmail.com>
Date:   Sun Nov 9 17:27:52 2014 -0800

    i965/fs: Add algebraic optimizations for MAD.

    total instructions in shared programs: 5764176 -> 5763808 (-0.01%)
    instructions in affected programs:     25121 -> 24753 (-1.46%)
    helped:                                164
    HURT:                                  2

    Reviewed-by: Kenneth Graunke <kenneth at whitecape.org>

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