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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - [AMDGPU][MC][GFX8+] VOP3 v_interp incorrectly handles constants and literals"
href="https://bugs.llvm.org/show_bug.cgi?id=48597">48597</a>
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<th>Summary</th>
<td>[AMDGPU][MC][GFX8+] VOP3 v_interp incorrectly handles constants and literals
</td>
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<th>Product</th>
<td>libraries
</td>
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<th>Version</th>
<td>trunk
</td>
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<th>Hardware</th>
<td>PC
</td>
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<th>OS</th>
<td>All
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<th>Status</th>
<td>NEW
</td>
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<th>Severity</th>
<td>enhancement
</td>
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<th>Priority</th>
<td>P
</td>
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<th>Component</th>
<td>Backend: AMDGPU
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<th>Assignee</th>
<td>unassignedbugs@nondot.org
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</tr>
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<th>Reporter</th>
<td>dpreobrazhensky@luxoft.com
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</tr>
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<th>CC</th>
<td>llvm-bugs@lists.llvm.org
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<p>
<div>
<pre>VOP3 INTERP instructions with src3 being a constant or a literal result in
/*invalid immediate*/.
Examples:
v_interp_p2_f16 v5, v2, attr0.x, 0
v_interp_p2_f16 v5, v2, attr0.x, 1
v_interp_p2_f16 v5, v2, attr0.x, 1234
v_interp_p2_f16 v5, v2, attr0.x, 1.0
These instructions are assembled fine but operands cannot be printed:
v_interp_p2_f16 v5, v2, attr0.x, /*invalid immediate*/
v_interp_p2_f16 v5, v2, attr0.x, /*invalid immediate*/
v_interp_p2_f16 v5, v2, attr0.x, /*invalid immediate*/
v_interp_p2_f16 v5, v2, attr0.x, /*invalid immediate*/
VOP3 INTERP instructions with src1 being a constant or a literal result in an
exception.
An example of failed test:
v_interp_p2_f16 v5, 0, attr0.x, v0
Note that sp3 does not allow constants and literals for src operands of these
instructions.</pre>
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