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[wwwdoc] Describe the changes of NDS32 port in GCC-5.0.

Message ID CADj25HON2v_MG+RQbK0NPg4Pf8v4s4ahC=ic-Cio8dNSL7Y0gw@mail.gmail.com
State New
Headers show

Commit Message

Chung-Ju Wu Feb. 25, 2015, 6:09 a.m. UTC 
2015-02-15 10:33 GMT+08:00 Chung-Ju Wu <jasonwucj@gmail.com>:
> Hi, all,
>
> There are some major changes on NDS32 port in GCC-5.0:
>   https://gcc.gnu.org/ml/gcc-patches/2014-09/msg00316.html
>   https://gcc.gnu.org/ml/gcc-patches/2015-01/msg00992.html
>   https://gcc.gnu.org/ml/gcc-patches/2015-01/msg00993.html
>
> This patch is to describe them in changes.html.
>
> Although it is target-specific part, it is welcome for others to have
> review comments on its format, layout, and english words improvement.
>
> If there is no other comments about this patch, I will commit it into
> trunk next week. :)
>

Committed as revision 1.82 of htdocs/gcc-5/changes.html with minor adjustment.


   <ul>
     <li>The compiler will now pass the appropriate <code>--isa=</code> option


>
> Best regards,
> jasonwucj
>
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Patch

Index: htdocs/gcc-5/changes.html
===================================================================
RCS file: /cvs/gcc/wwwdocs/htdocs/gcc-5/changes.html,v
retrieving revision 1.81
diff -u -r1.81 changes.html
--- htdocs/gcc-5/changes.html   17 Feb 2015 22:55:14 -0000      1.81
+++ htdocs/gcc-5/changes.html   25 Feb 2015 05:50:42 -0000
@@ -626,6 +626,19 @@ 
       soft-float targets.</li>
   </ul>

+<h3 id="nds32">NDS32</h3>
+  <ul>
+    <li>The variadic function ABI implementation is now compatible to the past
+    Andes toolchains where caller uses registers to pass arguments and callee
+    is in charge of pushing them into stack.</li>
+    <li>The options <code>-mforce-fp-as-gp</code>,
<code>-mforbid-fp-as-gp</code>,
+    and <code>-mex9</code> have been removed since they are not
available yet in
+    the nds32 port of GNU binutils package.</li>
+    <li>New option <code>-mcmodel=[small|medium|large]</code> is provided to
+    support varied code model on code generation.  The <code>-mgp-direct</code>
+    option now becomes meaningless and can be discarded.</li>
+  </ul>
+
 <h3 id="sh">SH</h3>