'[llvm-bugs] [Bug 47685] New: ieee_arithmetic is not fully implemented'

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List:       llvm-bugs
Subject:    [llvm-bugs] [Bug 47685] New: ieee_arithmetic is not fully implemented
From:       via llvm-bugs <llvm-bugs () lists ! llvm ! org>
Date:       2020-09-30 3:58:28
Message-ID: bug-47685-206 () http ! bugs ! llvm ! org/
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Date: Tue, 29 Sep 2020 21:00:17 -0700
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https://bugs.llvm.org/show_bug.cgi?id=47685

            Bug ID: 47685
           Summary: ieee_arithmetic is not fully implemented
           Product: flang
           Version: trunk
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: Frontend
          Assignee: unassignedbugs@nondot.org
          Reporter: i.s.ger@ya.ru
                CC: David.Truby@arm.com, jperier@nvidia.com,
                    kirankumartp@gmail.com, llvm-bugs@lists.llvm.org,
                    sscalpone@nvidia.com

I have tried to compile the following code:

real(kind=8) function qNaN()
    use, intrinsic :: ieee_arithmetic, only: ieee_value, ieee_quiet_NaN
    implicit none
    qNaN = ieee_value(qNaN, ieee_quiet_NaN)
end function qNaN

And I got the following output:

> 2:46: error: 'ieee_value' not found in module 'ieee_arithmetic'
      use, intrinsic :: ieee_arithmetic, only: ieee_value, ieee_quiet_NaN

As I can see here
(https://github.com/llvm/llvm-project/blob/release/11.x/flang/module/ieee_arithmetic.f90),
 ieee_value is not implemented yet.

Locally tested version is commit d2166076b882e38becf3657ea830ffd2b6a5695e of
llvm-project.

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Date: Tue, 29 Sep 2020 21:00:17 -0700
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<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 - ieee_arithmetic is not fully implemented"
   href="https://bugs.llvm.org/show_bug.cgi?id=47685">47685</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>ieee_arithmetic is not fully implemented
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>flang
          </td>
        </tr>

        <tr>
          <th>Version</th>
          <td>trunk
          </td>
        </tr>

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

        <tr>
          <th>OS</th>
          <td>Linux
          </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>Frontend
          </td>
        </tr>

        <tr>
          <th>Assignee</th>
          <td>unassignedbugs&#64;nondot.org
          </td>
        </tr>

        <tr>
          <th>Reporter</th>
          <td>i.s.ger&#64;ya.ru
          </td>
        </tr>

        <tr>
          <th>CC</th>
          <td>David.Truby&#64;arm.com, jperier&#64;nvidia.com, \
kirankumartp&#64;gmail.com, llvm-bugs&#64;lists.llvm.org, sscalpone&#64;nvidia.com  \
</td>  </tr></table>
      <p>
        <div>
        <pre>I have tried to compile the following code:

real(kind=8) function qNaN()
    use, intrinsic :: ieee_arithmetic, only: ieee_value, ieee_quiet_NaN
    implicit none
    qNaN = ieee_value(qNaN, ieee_quiet_NaN)
end function qNaN

And I got the following output:

> 2:46: error: 'ieee_value' not found in module 'ieee_arithmetic'
      use, intrinsic :: ieee_arithmetic, only: ieee_value, ieee_quiet_NaN

As I can see here
(<a href="https://github.com/llvm/llvm-project/blob/release/11.x/flang/module/ieee_ari \
thmetic.f90">https://github.com/llvm/llvm-project/blob/release/11.x/flang/module/ieee_arithmetic.f90</a>),
 ieee_value is not implemented yet.

Locally tested version is commit d2166076b882e38becf3657ea830ffd2b6a5695e of
llvm-project.</pre>
        </div>
      </p>

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