[PATCH][wwwdocs] Document new arm/aarch64 CPU support in a more compact way

[Kyrill Tkachov]

Hi all,

This patch brings the new CPU support announcements in line with the format 
used in the GCC 6 notes.
That is, rather than have a separate "The <processor> is now supported via 
the..." entry for each new core
just list them and give a use example with the -mcpu,-mtune options.

Ok to commit?

Thanks,
Kyrill

Index: htdocs/gcc-7/changes.html
===================================================================
RCS file: /cvs/gcc/wwwdocs/htdocs/gcc-7/changes.html,v
retrieving revision 1.24
diff -U 3 -r1.24 changes.html
--- htdocs/gcc-7/changes.html	9 Nov 2016 14:28:59 -0000	1.24
+++ htdocs/gcc-7/changes.html	16 Nov 2016 10:23:04 -0000
@@ -287,14 +287,14 @@
        processing floating-point instructions.
      </li>
      <li>
-       The ARM Cortex-A73 processor is now supported via the
-       <code>-mcpu=cortex-a73</code> and <code>-mtune=cortex-a73</code>
-       options as well as the equivalent target attributes and pragmas.
-     </li>
-     <li>
-       The Broadcom Vulcan processor is now supported via the
-       <code>-mcpu=vulcan</code> and <code>-mtune=vulcan</code> options as
-       well as the equivalent target attributes and pragmas.
+       Support has been added for the following processors
+       (GCC identifiers in parentheses): ARM Cortex-A73
+       (<code>cortex-a73</code>) and Broadcom Vulcan (<code>vulcan</code>).
+       The GCC identifiers can be used
+       as arguments to the <code>-mcpu</code> or <code>-mtune</code> options,
+       for example: <code>-mcpu=cortex-a73</code> or
+       <code>-mtune=vulcan</code> or as arguments to the equivalent target
+       attributes and pragmas.
      </li>
    </ul>
 
@@ -316,19 +316,14 @@
        <code>armv8-m.main+dsp</code> options.
      </li>
      <li>
-       The ARM Cortex-A73 processor is now supported via the
-       <code>-mcpu=cortex-a73</code> and <code>-mtune=cortex-a73</code>
-       options.
-     </li>
-     <li>
-       The ARM Cortex-M23 processor is now supported via the
-       <code>-mcpu=cortex-m23</code> and <code>-mtune=cortex-m23</code>
-       options.
-     </li>
-     <li>
-       The ARM Cortex-M33 processor is now supported via the
-       <code>-mcpu=cortex-m33</code> and <code>-mtune=cortex-m33</code>
-       options.
+       Support has been added for the following processors
+       (GCC identifiers in parentheses): ARM Cortex-A73
+       (<code>cortex-a73</code>), ARM Cortex-M23 (<code>cortex-m23</code>) and
+       ARM Cortex-M33 (<code>cortex-m33</code>).
+       The GCC identifiers can be used
+       as arguments to the <code>-mcpu</code> or <code>-mtune</code> options,
+       for example: <code>-mcpu=cortex-a73</code> or
+       <code>-mtune=cortex-m33</code>.
      </li>
    </ul>