[wwwdocs] A few more 4.1 changes items

[Steven Bosscher <stevenb at suse dot de>]

Hi,

This adds IPCP, fixes the grammar of another entry, and adds
other finished projects mentioned on the 4.1 projects wiki page.
Does this look OK?

Gr.
Steven


Index: htdocs/gcc-4.1/changes.html
===================================================================
RCS file: /cvs/gcc/wwwdocs/htdocs/gcc-4.1/changes.html,v
retrieving revision 1.6
diff -u -r1.6 changes.html
--- htdocs/gcc-4.1/changes.html	1 Aug 2005 22:06:32 -0000	1.6
+++ htdocs/gcc-4.1/changes.html	2 Aug 2005 20:35:05 -0000
@@ -46,14 +46,18 @@
 	    <li>Improvement of RTL-based alias analysis.  The results of type
 		escape analysis are fed to the RTL type-based alias analyzer,
 		allowing it to disambiguate more memory references.</li>
+	    <li>Interprocedural constant propagation and function versioning.
+		This pass looks for functions that are always called with the
+		same constant value for one or more of the function arguments,
+		and propagates those constants into those functions.</li>
 	    <li>GCC will now eliminate static variables whose usage was
 		optimized out.</li>
 	    <li><code>-fwhole-program --combine</code> can now be used to
 	        make all functions in program static allowing whole program
-		optimization.  As an exception function <code>main</code>
-		and function marked by new <code>externally_visible</code>
-		attribute are kept global so programs can link with runtime
-		libraries.</li>
+		optimization.  As an exception, the <code>main</code> function
+		and all functions marked with the new
+		<code>externally_visible</code> attribute are kept global so
+		that programs can link with runtime libraries.</li>
 	</ul></li>
 
     <li>GCC can now do a form of partial dead code elimination (PDCE) that
@@ -146,12 +150,19 @@
 <h2>New Languages and Language specific improvements</h2>
 
 <h3>C and Objective-C</h3>
-
   <ul>
     <li>The old Bison-based C and Objective-C parser has been replaced
 	by a new, faster hand-written recursive-descent parser.</li>
   </ul>
 
+  <h3>Ada</h3>
+  <ul>
+    <li>The build infrastructure for the Ada runtime library and tools
+	has been changed to be better integrated with the rest of the build
+	infrastructure of GCC.  This should make doing cross builds of Ada a
+	bit easier.</li>
+  </ul>
+
 <h2>New Targets and Target Specific Improvements</h2>
 
 <h3>IA-32/x86-64</h3>
@@ -174,11 +185,32 @@
 	now.</p></li>
   </ul>
 
+<h3>RS6000 (POWER/PowerPC)</h3>
+  <ul>
+    <li>The AltiVec vector primitives are now implemented in a way that puts
+	a smaller burden on the preprocessor, instead processing the
+	"overloading" in the C front-end.  This should benefit compilation
+	speed on AltiVec vector code.</li>
+  </ul>
+
 <h2><a name="obsolete_systems">Obsolete Systems</a></h2>
 
 <h2>Documentation improvements</h2>
 
 <h2>Other significant improvements</h2>
 
+  <ul>
+    <li>GCC can now emit code for protecting applications from stack-smashing
+	attacks.  The protection is realized by buffer overflow detection and
+	reordering of stack variables to avoid pointer corruption.</li>
+
+    <li>Some builtin functions have been fortified to protect them against
+	various buffer overflow (and format string) vulnerabilities. Compared
+	to the mudflap bounds checking feature, the safe builtins have far
+	smaller overhead.  This means that programs built using safe builtins
+	should not experiece any measurable slowdown.</li>
+
+    <li></li>
+  </ul>
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