Changes in directory llvm/docs:
ReleaseNotes.html updated: 1.374 -> 1.375 --- Log message: Add a skeleton for future contents --- Diffs of the changes: (+75 -69) ReleaseNotes.html | 144 ++++++++++++++++++++++++++++-------------------------- 1 files changed, 75 insertions(+), 69 deletions(-) Index: llvm/docs/ReleaseNotes.html diff -u llvm/docs/ReleaseNotes.html:1.374 llvm/docs/ReleaseNotes.html:1.375 --- llvm/docs/ReleaseNotes.html:1.374 Fri May 11 21:36:41 2007 +++ llvm/docs/ReleaseNotes.html Mon May 14 01:56:09 2007 @@ -90,11 +90,39 @@ </div> <!--_________________________________________________________________________--> +<div class="doc_subsubsection"><a name="majorchanges">Major Changes</a></div> +<div class="doc_text"> +<p>blah +</p> + +<ul> +<li>ding dong llvm-gcc3 is dead</li> +<li>bytecode -> bitcode</li> +</ul> + +</div> + + +<!--_________________________________________________________________________--> +<div class="doc_subsubsection"><a name="llvmgccfeatures">llvm-gcc +Improvements</a></div> +<div class="doc_text"> +<p>New features include: +</p> + +<ul> +<li>many new supported things</li> +<li>easier to configure on linux</li> +</ul> + +</div> + +<!--_________________________________________________________________________--> <div class="doc_subsubsection"><a name="optimizer">Optimizer Improvements</a></div> <div class="doc_text"> -<p>The mid-level optimizer is now faster and produces better code in many cases. - Significant changes include:</p> +<p>New features include: +</p> <ul> <li></li> @@ -108,8 +136,7 @@ <div class="doc_text"> <p> -The LLVM Target-Independent code generator now supports more target features and -optimizes many cases more aggressively. New features include: +New features include: </p> <ul> @@ -133,6 +160,22 @@ </div> <!--_________________________________________________________________________--> +<div class="doc_subsubsection"><a name="specifictargets">Target-Specific +Improvements</a></div> + +<div class="doc_text"> + +<p>New features include: +</p> + +<ul> +<li></li> +</ul> + +</div> + + +<!--_________________________________________________________________________--> <div class="doc_subsubsection"><a name="other">Other Improvements</a></div> <div class="doc_text"> <p></p> @@ -248,44 +291,34 @@ <!-- ======================================================================= --> <div class="doc_subsection"> - <a name="sparc-be">Known problems with the SPARC back-end</a> + <a name="arm-be">Known problems with the ARM back-end</a> </div> <div class="doc_text"> <ul> -<li>The SPARC backend only supports the 32-bit SPARC ABI (-m32), it does not - support the 64-bit SPARC ABI (-m64).</li> +<li>The Thumb mode works only on ARMv6 or higher processors. On sub-ARMv6 +processors, any thumb program compiled with LLVM crashes or produces wrong +results. (<a href="http://llvm.org/PR1388";>PR1388</a>)</li> +<li>Compilation for ARM Linux OABI (old ABI) is supported, but not fully tested. +</li> +<li>QEMU-ARM (<= 0.9.0) wrongly executes programs compiled with LLVM. A non-affected QEMU version must be used or this +<a href="http://cvs.savannah.nongnu.org/viewcvs/qemu/target-arm/translate.c?root=qemu&r1=1.46&r2=1.47&makepatch=1&diff_format=h";> +patch</a> must be applied on QEMU.</li> </ul> </div> <!-- ======================================================================= --> <div class="doc_subsection"> - <a name="c-be">Known problems with the C back-end</a> + <a name="sparc-be">Known problems with the SPARC back-end</a> </div> <div class="doc_text"> <ul> - -<li>The C back-end produces code that violates the ANSI C Type-Based Alias -Analysis rules. As such, special options may be necessary to compile the code -(for example, GCC requires the <tt>-fno-strict-aliasing</tt> option). This -problem probably cannot be fixed.</li> - -<li><a href="http://llvm.org/PR56";>Zero arg vararg functions are not -supported</a>. This should not affect LLVM produced by the C or C++ -frontends.</li> - -<li>The C backend does not correctly implement the <a -href="LangRef.html#int_stacksave"><tt>llvm.stacksave</tt></a> or -<a href="LangRef.html#int_stackrestore"><tt>llvm.stackrestore</tt></a> -intrinsics. This means that some code compiled by it can run out of stack -space if they depend on these (e.g. C99 varargs).</li> - -<li><a href="http://llvm.org/PR802";>The C backend does not support inline - assembly code</a>.</li> +<li>The SPARC backend only supports the 32-bit SPARC ABI (-m32), it does not + support the 64-bit SPARC ABI (-m64).</li> </ul> </div> @@ -338,36 +371,18 @@ <!-- ======================================================================= --> <div class="doc_subsection"> - <a name="arm-be">Known problems with the ARM back-end</a> + <a name="c-be">Known problems with the C back-end</a> </div> <div class="doc_text"> <ul> -<li>The Thumb mode works only on ARMv6 or higher processors. On sub-ARMv6 -processors, any thumb program compiled with LLVM crashes or produces wrong -results. (<a href="http://llvm.org/PR1388";>PR1388</a>)</li> -<li>Compilation for ARM Linux OABI (old ABI) is supported, but not fully tested. -</li> -<li>QEMU-ARM (<= 0.9.0) wrongly executes programs compiled with LLVM. A non-affected QEMU version must be used or this -<a href="http://cvs.savannah.nongnu.org/viewcvs/qemu/target-arm/translate.c?root=qemu&r1=1.46&r2=1.47&makepatch=1&diff_format=h";> -patch</a> must be applied on QEMU.</li> +<li><a href="http://llvm.org/PR802";>The C backend does not support inline + assembly code</a>.</li> </ul> </div> -<!-- ======================================================================= --> -<div class="doc_subsection"> - <a name="core">Known problems with the LLVM Core</a> -</div> - -<div class="doc_text"> - -<ul> - <li>In the JIT, <tt>dlsym()</tt> on a symbol compiled by the JIT will not - work.</li> -</ul> -</div> <!-- ======================================================================= --> <div class="doc_subsection"> @@ -379,16 +394,12 @@ <div class="doc_text"> -<p> - -<p>llvm-gcc4 is far more stable and produces better code than llvm-gcc3, but -does not currently support <a href="http://llvm.org/PR869";>Link-Time -Optimization</a> or <a href="http://llvm.org/PR870";>C++ Exception Handling</a>, -which llvm-gcc3 does.</p> - -<p>llvm-gcc4 does not support the <a href="http://llvm.org/PR947";>GCC indirect -goto extension</a>, but llvm-gcc3 does.</p> +<p>llvm-gcc4 does not currently support <a href="http://llvm.org/PR869";>Link-Time +Optimization</a> on most platforms "out-of-the-box". Please inquire on the +llvmdev mailing list if you are interested.</p> +<p>FIXME: the list of supported stuff below needs to be updated. We do support +tls now, what else??</p> </div> <!-- _______________________________________________________________________ --> @@ -531,20 +542,15 @@ <div class="doc_text"> -<p>For this release, the C++ front-end is considered to be fully +<p>The C++ front-end is considered to be fully tested and works for a number of non-trivial programs, including LLVM -itself.</p> - -</div> +itself, Qt, Mozilla, etc.</p> -<!-- _______________________________________________________________________ --> -<div class="doc_subsubsection"> - Notes -</div> - -<div class="doc_text"> <ul> -<li>llvm-gcc4 does not support C++ exception handling at all yet.</li> +<li>llvm-gcc4 only has partial support for <a href="http://llvm.org/PR870";>C++ +Exception Handling</a>, and it is not enabled by default.</li> + +<!-- NO EH Support! <li>Destructors for local objects are not always run when a <tt>longjmp</tt> is performed. In particular, destructors for objects in the <tt>longjmp</tt>ing @@ -562,7 +568,7 @@ <i>However</i>, the exception handling mechanism used by llvm-gcc3 is very different from the model used in the Itanium ABI, so <b>exceptions will not interact correctly</b>. </li> - +--> </ul> </div> @@ -602,7 +608,7 @@ src="http://www.w3.org/Icons/valid-html401"; alt="Valid HTML 4.01!" /></a> <a href="http://llvm.org/";>The LLVM Compiler Infrastructure</a><br> - Last modified: $Date: 2007/05/12 02:36:41 $ + Last modified: $Date: 2007/05/14 06:56:09 $ </address> </body> _______________________________________________ llvm-commits mailing list llvm-commits@cs.uiuc.edu http://lists.cs.uiuc.edu/mailman/listinfo/llvm-commits
