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[GCC 4.8 changes] PATCH: Mention several user-visible changes for x86


Hi,

This patch updates GCC 4.8 changes.html to mention Broadwell's
features, RTM and HLE support and fixed pre-reload scheduler.

OK to commit?


Thanks,
Igor

Index: htdocs/gcc-4.8/changes.html
===================================================================
RCS file: /cvs/gcc/wwwdocs/htdocs/gcc-4.8/changes.html,v
retrieving revision 1.95
diff -c -r1.95 changes.html
*** htdocs/gcc-4.8/changes.html 11 Feb 2013 15:12:58 -0000      1.95
--- htdocs/gcc-4.8/changes.html 12 Feb 2013 15:10:41 -0000
***************
*** 460,465 ****
--- 460,471 ----
      wrong results.  You must build all
      modules with <code>-mpreferred-stack-boundary=3</code>, including any
      libraries.  This includes the system libraries and startup modules.</li>
+     <li>Support for the new Intel processor codename Broadwell with RDSEED,
+     ADCX, ADOX, PREFETCHW is available through <code>-madx</code>,
+     <code>-mprfchw</code>, <code>-mrdseed</code>.
+     </li>
+     <li> Support for Intel RTM and HLE intrinsics, built-in
functions and code generation is available via -mrtm and -mhle.
+     </li>
      <li> New built-in functions to detect run-time CPU type and ISA:
      <ul>
        <li>A built-in function <code>__builtin_cpu_is</code> has been added to
***************
*** 524,529 ****
--- 530,538 ----
      <a href="http://gcc.gnu.org/wiki/FunctionMultiVersioning";>wiki</a>
for more
      information.
      </li>
+     <li> Problem with instability of pre-reload scheduler on x86
targets was fixed. Now option -fschedule-insn
+     can be used loosely to reach better performance.
+     </li>
      <li> Windows MinGW-w64 targets (<code>*-w64-mingw*</code>)
require at least r5437 from the Mingw-w64 trunk. </li>
    </ul>


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