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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - [AMDGPU][MC][GFX908] 'glc' is not supported for global_atomic_add_f32 and global_atomic_pk_add_f16"
href="https://bugs.llvm.org/show_bug.cgi?id=44582">44582</a>
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<th>Summary</th>
<td>[AMDGPU][MC][GFX908] 'glc' is not supported for global_atomic_add_f32 and global_atomic_pk_add_f16
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<th>Product</th>
<td>libraries
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<th>Version</th>
<td>trunk
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<th>Hardware</th>
<td>PC
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<th>OS</th>
<td>All
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<th>Status</th>
<td>NEW
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<th>Severity</th>
<td>enhancement
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<th>Priority</th>
<td>P
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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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<th>Reporter</th>
<td>dpreobrazhensky@luxoft.com
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<th>CC</th>
<td>llvm-bugs@lists.llvm.org
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<pre>It is not clear why glc modifier is not supported for these opcodes:
global_atomic_add_f32 v0, v[1:2], v2, off offset:-1 glc // error
global_atomic_add_f32 v[1:2], v2, off offset:-1 // ok
sp3 assembler supports this modifier:
global_atomic_add_f32 v0, v[0:1], v0, s[0:1] glc // sp3: ok</pre>
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