gcc-12/changes.html: Document -misa update for nvptx
@@ -468,9 +468,14 @@ a work-in-progress.</p>
<h3 id="nvptx">NVPTX</h3>
<ul>
+ <li>The <code>-misa/<code> flag now supports <code>sm_53</code>,
+ <code>sm_70</code>, <code>sm_75</code>, and <code>sm_80</code> besides
+ <code>sm_30</code> and <code>sm_35</code> (which is the default).</li>
<li>The <code>-mptx</code> flag has been added to specify the PTX ISA version
for the generated code; permitted values are <code>3.1</code>
- (default, matches previous GCC versions) and <code>6.3</code>.
+ (matches previous GCC versions), <code>6.0</code>, <code>6.3</code>,
+ and <code>7.0</code>. If not specified, the used version is the minimal
+ version required for <code>-misa</code> but at least <code>6.0</code>.
</li>
<li>The new <code>__PTX_SM__</code> predefined macro allows code to check the
compute model being targeted by the compiler.</li>