[llvm-commits] [llvm] r128882 - /llvm/trunk/docs/ReleaseNotes.html
NAKAMURA Takumi
geek4civic at gmail.com
Tue Apr 5 01:24:22 PDT 2011
Author: chapuni
Date: Tue Apr 5 03:24:22 2011
New Revision: 128882
URL: http://llvm.org/viewvc/llvm-project?rev=128882&view=rev
Log:
docs/ReleaseNotes.html: Add a few notes to MCCOFF and x64. FIXME: fixme!
Modified:
llvm/trunk/docs/ReleaseNotes.html
Modified: llvm/trunk/docs/ReleaseNotes.html
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/docs/ReleaseNotes.html?rev=128882&r1=128881&r2=128882&view=diff
==============================================================================
--- llvm/trunk/docs/ReleaseNotes.html (original)
+++ llvm/trunk/docs/ReleaseNotes.html Tue Apr 5 03:24:22 2011
@@ -297,10 +297,13 @@
<p>LLVM 2.9 includes several major new capabilities:</p>
<ul>
+<li><pre>
last release for llvm-gcc
TBAA
Triple::normalize is new, llvm triples are always stored in normalized form internally.
+Triple x86_64--mingw64 is obsoleted. Use x86_64--mingw32 instead.
+
MC Assembler: X86 now generates much better diagnostics for common errors,
is much faster at matching instructions, is much more bug-compatible with
the GAS assembler, and is now generally useful for a broad range of X86
@@ -348,9 +351,9 @@
LoopIndexSplit pass was removed, unmaintained.
-COFF support in the MC assembler has made a lot of progress in the 2.9
+Win32 PE-COFF support in the MC assembler has made a lot of progress in the 2.9
timeframe, but is still not generally useful. Please see
- "http://llvm.org/bugs/showdependencytree.cgi?id=9100&hide_resolved=1" for open bugs"?
+ "http://llvm.org/bugs/showdependencytree.cgi?id=9100&hide_resolved=1" for open bugs?
New <a href="WritingAnLLVMPass.html#RegionPass">RegionPass</a> infrastructure
for region-based optimizations.
@@ -358,6 +361,7 @@
MicroBlaze: major updates for aggressive delay slot filler, MC-based assembly
printing, assembly instruction parsing, ELF .o file emission, and MC
instruction disassembler.
+</pre></li>
</ul>
Still todo: [101025-110228]
@@ -431,8 +435,7 @@
LLVM MC Project Blog Post</a>.
</p>
-</div>
-
+</div>
<!--=========================================================================-->
<div class="doc_subsection">
@@ -461,6 +464,7 @@
</p>
<ul>
+ <li>Several bugs have been fixed for Windows x64 code generator.</li>
</ul>
</div>
@@ -569,13 +573,23 @@
all <a href="http://llvm.org/PR879">inline assembly that uses the X86
floating point stack</a>. It supports the 'f' and 't' constraints, but not
'u'.</li>
- <li>Win64 code generation wasn't widely tested. Everything should work, but we
- expect small issues to happen. Also, llvm-gcc cannot build the mingw64
- runtime currently due to lack of support for the 'u' inline assembly
- constraint and for X87 floating point inline assembly.</li>
<li>The X86-64 backend does not yet support the LLVM IR instruction
<tt>va_arg</tt>. Currently, front-ends support variadic
argument constructs on X86-64 by lowering them manually.</li>
+ <li>Windows x64 (aka Win64) code generator has a few issues.
+ <ul>
+ <li>llvm-gcc cannot build the mingw-w64 runtime currently
+ due to lack of support for the 'u' inline assembly
+ constraint and for X87 floating point inline assembly.</li>
+ <li>On mingw-w64, you will see unresolved symbol <tt>__chkstk</tt>
+ due to <a href="http://llvm.org/bugs/show_bug.cgi?id=8919">Bug 8919</a>.
+ It is fixed in <a href="http://lists.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20110321/118499.html">r128206</a>.</li>
+ <li>Miss-aligned MOVDQA might crash your program. It is due to
+ <a href="http://llvm.org/bugs/show_bug.cgi?id=9483">Bug 9483</a>,
+ lack of handling aligned internal globals.</li>
+ </ul>
+ </li>
+
</ul>
</div>
More information about the llvm-commits
mailing list