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[wwwdocs] Mention work on array temporaries

Message ID 1291927684.4016.26.camel@linux-fd1f.site
State New
Headers show

Commit Message

Thomas Koenig Dec. 9, 2010, 8:48 p.m. UTC
Hello world,

here is a patch for wwwdocs mentioning the improvements in array
temporaries.

If anybody has suggestions on improvements of the wording, I would
appreciate that.

OK?

Comments

Gerald Pfeifer Dec. 14, 2010, 12:56 a.m. UTC | #1
On Thu, 9 Dec 2010, Thomas Koenig wrote:
> here is a patch for wwwdocs mentioning the improvements in array
> temporaries.

This looks good.  The one question I'll pose is "What's the benefit
for the user?"  Performance, presumably?

Gerald
diff mbox

Patch

Index: changes.html
===================================================================
RCS file: /cvs/gcc/wwwdocs/htdocs/gcc-4.6/changes.html,v
retrieving revision 1.73
diff -u -r1.73 changes.html
--- changes.html	27 Nov 2010 10:26:28 -0000	1.73
+++ changes.html	9 Dec 2010 19:14:43 -0000
@@ -254,6 +254,9 @@ 
     support <code>REAL(16)</code> in hardware nor those which do not support
     <code>libquadmath</code>.</li>
     <li>Much improved compile time for large array constructors.</li>
+    <li>Use of temporary arrays in assignment expressions is avoided for
+      many cases.  The compiler now reverses loops in order to avoid
+      generating a temporary array where possible.</li>
     <li>Improved diagnostics, especially with
       <code>-fwhole-file</code>.</li>
     <li>The <code>-fwhole-file</code> flag is now enabled by default. This