Hello! __float128 is supported on Darwin, FreeBSD, Solaris 2, MinGW and Cygwin for 32-bit and 64-bit targets. Also, add a line for Windows x86/x86_64 specific notes to mention added support for __float128.
cvs diff: Diffing . Index: changes.html =================================================================== RCS file: /cvs/gcc/wwwdocs/htdocs/gcc-4.6/changes.html,v retrieving revision 1.125 diff -u -r1.125 changes.html --- changes.html 2 Apr 2011 22:27:19 -0000 1.125 +++ changes.html 3 Apr 2011 18:12:39 -0000 @@ -813,7 +813,7 @@ to <code>-fno-omit-frame-pointer</code> by configuring GCC with the <code>--enable-frame-pointer</code> configure option.</li> <li>Darwin, FreeBSD, Solaris 2, MinGW and Cygwin now all support - <code>__float128</code> on 32-bit x86 targets.</li> + <code>__float128</code> on 32-bit and 64-bit x86 targets.</li> <li>AVX floating-point arithmetic can now be enabled by default at configure time with the new <code>--with-fpmath=avx</code> option.</li> <li>The SSA loop prefetching pass is enabled when @@ -1048,6 +1048,8 @@ current definition of <code>macro-name</code> is saved and can be restored with <code>#pragma pop_macro("macro-name")</code> to its saved definition.</li> + <li>Enable 128-bit long double (<code>__float128</code>) support on + MinGW and Cygwin.</li> </ul> <h2>Documentation improvements</h2> OK for documentation? Uros.