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    <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 - [inline asm] "=ir" constraints support - gcc compatiblity"
   href="https://bugs.llvm.org/show_bug.cgi?id=32027">32027</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>[inline asm] "=ir" constraints support - gcc compatiblity
          </td>
        </tr>

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

        <tr>
          <th>Version</th>
          <td>unspecified
          </td>
        </tr>

        <tr>
          <th>Hardware</th>
          <td>PC
          </td>
        </tr>

        <tr>
          <th>OS</th>
          <td>Windows NT
          </td>
        </tr>

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

        <tr>
          <th>Severity</th>
          <td>enhancement
          </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>ziv.izhar@intel.com
          </td>
        </tr>

        <tr>
          <th>CC</th>
          <td>llvm-bugs@lists.llvm.org
          </td>
        </tr></table>
      <p>
        <div>
        <pre>The following test is compiled with gcc and fails on llvm:
int main(void){
  int x=5 , z = 5;
  asm ("add %1, %0": "=ri" (x): "r" (z));
  return 0;
}

llvm fails on the "=ri" constraint.

gcc ignores the 'i' in the output since it makes no sense and treats it just
like "=r", while llvm just outputs an error.

same goes for "=iQ","=ia",etc..</pre>
        </div>
      </p>


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