[Mesa-dev] [Bug 103128] [softpipe] piglit fs-ldexp regression

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=103128

            Bug ID: 103128
           Summary: [softpipe] piglit fs-ldexp regression
           Product: Mesa
           Version: git
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Keywords: bisected, regression
          Severity: normal
          Priority: medium
         Component: Mesa core
          Assignee: mesa-dev at lists.freedesktop.org
          Reporter: vlee at freedesktop.org
        QA Contact: mesa-dev at lists.freedesktop.org
                CC: Dieter at nuetzel-hh.de, maraeo at gmail.com,
                    nhaehnle at gmail.com

mesa: bbe2082e7d38568433a5944a3f3fc7af4f079564 (master 17.3.0-devel)

$ ./bin/shader_runner
tests/spec/mesa_shader_integer_functions/execution/built-in-functions/fs-ldexp.shader_test
-auto
Probe color at (0,0)
  Expected: 0 255 0 255
  Observed: 255 255 0 255
Test failure on line 38
Probe color at (0,0)
  Expected: 0 255 0 255
  Observed: 255 255 0 255
Test failure on line 52
Probe color at (0,0)
  Expected: 0 255 0 255
  Observed: 255 255 0 255
Test failure on line 59
Probe color at (0,0)
  Expected: 0 255 0 255
  Observed: 255 255 0 255
Test failure on line 66
Probe color at (0,0)
  Expected: 0 255 0 255
  Observed: 255 255 0 255
Test failure on line 73
PIGLIT: {"result": "fail" }


6de5147d2024a282f064d3bcf6103240d283da72 is the first bad commit
commit 6de5147d2024a282f064d3bcf6103240d283da72
Author: Nicolai Hähnle <nicolai.haehnle at amd.com>
Date:   Fri Sep 15 16:52:23 2017 +0200

    st/glsl_to_tgsi: use LDEXP when available

    Reviewed-by: Marek Olšák <marek.olsak at amd.com>
    Tested-by: Dieter Nützel <Dieter at nuetzel-hh.de>

:040000 040000 bc78e5e07de9bab1751cfb3a24b78e5aa24af441
669a548343b85d800902f005853c05871a525d19 M      src
bisect run success

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