Re: [hsa merge 00/10] Merge of HSA branch

[Martin Jambor <mjambor at suse dot cz>]

Hi,

On Thu, Jan 28, 2016 at 08:18:27AM -0700, Gerald Pfeifer wrote:
> 
> This is okay with the changes/considering the questions above.
> 

thanks for the feedback.  I have committed the following after
incorporating the comments.

Martin

Index: changes.html
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RCS file: /cvs/gcc/wwwdocs/htdocs/gcc-6/changes.html,v
retrieving revision 1.52
diff -u -r1.52 changes.html
--- changes.html	25 Jan 2016 15:09:55 -0000	1.52
+++ changes.html	2 Feb 2016 14:09:11 -0000
@@ -272,6 +272,30 @@
    </ul>
 <!-- <h3 id="avr">AVR</h3> -->
 
+<h3 id="hsa">Heterogeneous Systems Architecture</h3>
+   <ul>
+     <li><p>GCC can now generate HSAIL (Heterogeneous System Architecture
+       Intermediate Language) for simple OpenMP device constructs if
+       configured with <code>--enable-offload-targets=hsa</code>.  A new
+       libgomp plugin then runs the HSA GPU kernels implementing these
+       constructs on HSA capable GPUs via a standard HSA run time.</p>
+       
+       <p>If the HSA compilation back end determines it cannot output HSAIL
+       for a particular input, it gives a warning by default.  These
+       warnings can be suppressed with <code>-Wno-hsa</code>.  To give a few
+       examples, the HSA back end does not implement compilation of code
+       using function pointers, automatic allocation of variable sized
+       arrays, functions with variadic arguments as well as a number of
+       other less common programming constructs.</p>
+
+       <p>When compilation for HSA is enabled, the compiler attempts to
+       compile composite OpenMP constructs
+	 <blockquote><pre>
+#pragma omp target teams distribute parallel for</pre></blockquote>
+	 into parallel HSA GPU kernels.</p>
+     </li>
+   </ul>
+
 <h3 id="x86">IA-32/x86-64</h3>
    <ul>
      <li>GCC now supports the Intel CPU named Skylake with AVX-512 extensions




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@@ -50,6 +50,13 @@
 <h2 id="news">News</h2>
 <dl>
 
+<dt><span> Heterogeneous Systems Architecture support</span>
+     <span class="date">[2016-01-27]</span></dt>
+     <dd><a href="http://www.hsafoundation.com/";> Heterogeneous Systems
+     Architecture 1.0</a> <a href="https://gcc.gnu.org/gcc-6/changes.html#hsa";>
+     support was added to GCC</a>, contributed by Martin Jambor, Martin LiÅka
+     and Michael Matz from SUSE.</dd>
+
 <dt><span><a href="gcc-5/">GCC 5.3</a> released</span>
     <span class="date">[2015-12-04]</span></dt>
     <dd></dd>