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<body><span class="vcard"><a class="email" href="mailto:jason@jlekstrand.net" title="Jason Ekstrand <jason@jlekstrand.net>"> <span class="fn">Jason Ekstrand</span></a>
</span> changed
<a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED NOTOURBUG - Decreasing for loops over shared arrays hang the GPU (GEN9)"
href="https://bugs.freedesktop.org/show_bug.cgi?id=100134">bug 100134</a>
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<th>What</th>
<th>Removed</th>
<th>Added</th>
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<td style="text-align:right;">Status</td>
<td>NEW
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<td>RESOLVED
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<td style="text-align:right;">Resolution</td>
<td>---
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<td>NOTOURBUG
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<b><a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED NOTOURBUG - Decreasing for loops over shared arrays hang the GPU (GEN9)"
href="https://bugs.freedesktop.org/show_bug.cgi?id=100134#c1">Comment # 1</a>
on <a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED NOTOURBUG - Decreasing for loops over shared arrays hang the GPU (GEN9)"
href="https://bugs.freedesktop.org/show_bug.cgi?id=100134">bug 100134</a>
from <span class="vcard"><a class="email" href="mailto:jason@jlekstrand.net" title="Jason Ekstrand <jason@jlekstrand.net>"> <span class="fn">Jason Ekstrand</span></a>
</span></b>
<pre>(In reply to Forrest Reiling from <a href="show_bug.cgi?id=100134#c0">comment #0</a>)
<span class="quote">> Created <span class=""><a href="attachment.cgi?id=130135" name="attach_130135" title="Offending SPIR-V">attachment 130135</a> <a href="attachment.cgi?id=130135&action=edit" title="Offending SPIR-V">[details]</a></span>
> Offending SPIR-V
>
> We have a very simple glsl compute shader which hangs gen9
>
> #version 450
> #extension GL_ARB_separate_shader_objects : enable
>
> shared int roi[8];
>
> void main() {
> for (uint i = 7; i >= 0; i--) {</span >
If you made this a signed integer, it would properly go below 0 and the loop
would terminate. :-)
<span class="quote">> roi[i] = 1;
> }
> }</span ></pre>
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