[Bug 92033] [SNB, regression, dEQP, bisected] functional.shaders.random tests regressed

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=92033

            Bug ID: 92033
           Summary: [SNB,regression,dEQP,bisected]
                    functional.shaders.random tests regressed
           Product: Mesa
           Version: git
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/DRI/i965
          Assignee: idr at freedesktop.org
          Reporter: mark.a.janes at intel.com
        QA Contact: intel-3d-bugs at lists.freedesktop.org

The following dEQP tests regressed on SNB with a recent patch series:

piglit.deqp-gles3.functional.shaders.random.trigonometric.vertex.1
mesa c951bb83056724df02ba7e6fe2dfa720c0f45c1f

piglit.deqp-gles2.functional.shaders.random.trigonometric.vertex.1
mesa c3f8cde964f9850c86469a06d5eedf4e783cbf5c

piglit.deqp-gles3.functional.shaders.random.all_features.vertex.73
mesa cadd7dd384b33a779d46bd664f456bed4a21a5b7

src/mesa/drivers/dri/i965/brw_vec4_generator.cpp:178: void
brw::check_gen6_math_src_arg(brw_reg): Assertion `src.dw1.bits.swizzle ==
(((0)<<0) | ((1)<<2) | ((2)<<4) | ((3)<<6))' failed.

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