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      <base href="https://bugs.freedesktop.org/" />
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    <body><table border="1" cellspacing="0" cellpadding="8">
        <tr>
          <th>Priority</th>
          <td>medium
          </td>
        </tr>

        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW --- - [llvmpipe] piglit arb_color_buffer_float-render GL_RGBA16F sanity fog regression"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=72656">72656</a>
          </td>
        </tr>

        <tr>
          <th>Keywords</th>
          <td>regression
          </td>
        </tr>

        <tr>
          <th>CC</th>
          <td>jfonseca@vmware.com, sroland@vmware.com, zackr@vmware.com
          </td>
        </tr>

        <tr>
          <th>Assignee</th>
          <td>mesa-dev@lists.freedesktop.org
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>[llvmpipe] piglit arb_color_buffer_float-render GL_RGBA16F sanity fog regression
          </td>
        </tr>

        <tr>
          <th>Severity</th>
          <td>normal
          </td>
        </tr>

        <tr>
          <th>Classification</th>
          <td>Unclassified
          </td>
        </tr>

        <tr>
          <th>OS</th>
          <td>Linux (All)
          </td>
        </tr>

        <tr>
          <th>Reporter</th>
          <td>vlee@freedesktop.org
          </td>
        </tr>

        <tr>
          <th>Hardware</th>
          <td>x86-64 (AMD64)
          </td>
        </tr>

        <tr>
          <th>Status</th>
          <td>NEW
          </td>
        </tr>

        <tr>
          <th>Version</th>
          <td>git
          </td>
        </tr>

        <tr>
          <th>Component</th>
          <td>Other
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>Mesa
          </td>
        </tr></table>
      <p>
        <div>
        <pre>mesa: e84a1ab3c400f819408a7ebe01c2325cd59d94d3 (master) 

$ ./bin/arb_color_buffer_float-render GL_RGBA16F sanity fog -auto
Testing 16-bit floating-point FBO
Testing default clamping rules only. This is a sanity check.
GL_ARB_color_buffer_float is not required.
Intrinsic has incorrect argument type!
void (i32*)* @llvm.x86.sse.stmxcsr
Intrinsic has incorrect argument type!
void (i32*)* @llvm.x86.sse.stmxcsr
Intrinsic has incorrect argument type!
void (i32*)* @llvm.x86.sse.ldmxcsr
Intrinsic has incorrect argument type!
void (i32*)* @llvm.x86.sse.ldmxcsr
Broken module found, verification continues.

155139059ba588da1161eaa692515cacdead9f4e is the first bad commit
commit 155139059ba588da1161eaa692515cacdead9f4e
Author: Zack Rusin <<a href="mailto:zackr@vmware.com">zackr@vmware.com</a>>
Date:   Fri Dec 6 01:28:25 2013 -0500

    llvmpipe: fix blending with half-float formats

    The fact that we flush denorms to zero breaks our half-float
    conversion and blending. This patches enables denorms for
    blending. It's a little tricky due to the llvm bug that makes
    it incorrectly reorder the mxcsr intrinsics:
    <a href="http://llvm.org/bugs/show_bug.cgi?id=6393">http://llvm.org/bugs/show_bug.cgi?id=6393</a>

    Signed-off-by: Zack Rusin <<a href="mailto:zackr@vmware.com">zackr@vmware.com</a>>
    Reviewed-by: José Fonseca <<a href="mailto:jfonseca@vmware.com">jfonseca@vmware.com</a>>
    Reviewed-by: Roland Scheidegger <<a href="mailto:sroland@vmware.com">sroland@vmware.com</a>>
    Signed-off-by: Zack Rusin <<a href="mailto:zackr@vmware.com">zackr@vmware.com</a>>

:040000 040000 5564b14ae9b7870ae8f4845f2069878c0752d5bc
84eb2a43a71956a57817e373117c2e2952a058d2 M    src
bisect run success</pre>
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