<html>
    <head>
      <base href="https://bugs.llvm.org/">
    </head>
    <body><table border="1" cellspacing="0" cellpadding="8">
        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - [arm] Merge 8807139026b6 into 10.0.1"
   href="https://bugs.llvm.org/show_bug.cgi?id=45705">45705</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>[arm] Merge 8807139026b6 into 10.0.1
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>new-bugs
          </td>
        </tr>

        <tr>
          <th>Version</th>
          <td>10.0
          </td>
        </tr>

        <tr>
          <th>Hardware</th>
          <td>Other
          </td>
        </tr>

        <tr>
          <th>OS</th>
          <td>All
          </td>
        </tr>

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

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

        <tr>
          <th>Priority</th>
          <td>P
          </td>
        </tr>

        <tr>
          <th>Component</th>
          <td>new bugs
          </td>
        </tr>

        <tr>
          <th>Assignee</th>
          <td>unassignedbugs@nondot.org
          </td>
        </tr>

        <tr>
          <th>Reporter</th>
          <td>dimitry@andric.com
          </td>
        </tr>

        <tr>
          <th>CC</th>
          <td>htmldeveloper@gmail.com, llvm-bugs@lists.llvm.org
          </td>
        </tr></table>
      <p>
        <div>
        <pre>Please merge
<a href="https://reviews.llvm.org/rG8807139026b64ac40163bb255dad38a1d8054f08">https://reviews.llvm.org/rG8807139026b64ac40163bb255dad38a1d8054f08</a> into
10.0.1. This fixes <a class="bz_bug_link 
          bz_status_RESOLVED  bz_closed"
   title="RESOLVED FIXED - [arm] After 186155b89c2d, fatal error: error in backend: Cannot select: t28: i32 = ARMISD::QADD8b t33, t35"
   href="show_bug.cgi?id=45677">bug 45677</a>, a fatal backend error when targeting armv5:

Author: David Green
Date: 2020-04-27T10:13:29+01:00
New Revision: 8807139026b64ac40163bb255dad38a1d8054f08

URL:
<a href="https://github.com/llvm/llvm-project/commit/8807139026b64ac40163bb255dad38a1d8054f08">https://github.com/llvm/llvm-project/commit/8807139026b64ac40163bb255dad38a1d8054f08</a>
DIFF:
<a href="https://github.com/llvm/llvm-project/commit/8807139026b64ac40163bb255dad38a1d8054f08.diff">https://github.com/llvm/llvm-project/commit/8807139026b64ac40163bb255dad38a1d8054f08.diff</a>

LOG: [ARM] Only produce qadd8b under hasV6Ops

When compiling for a arm5te cpu from clang, the +dsp attribute is set.
This meant we could try and generate qadd8 instructions where we would
end up having no pattern. I've changed the condition here to be hasV6Ops
&& hasDSP, which is what other parts of ARMISelLowering seem to use for
similar instructions.

Fixed PR45677.

Differential Revision: <a href="https://reviews.llvm.org/D78877">https://reviews.llvm.org/D78877</a></pre>
        </div>
      </p>


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