[llvm-commits] CVS: llvm/docs/ReleaseNotes.html
Chris Lattner
lattner at cs.uiuc.edu
Mon May 16 00:07:50 PDT 2005
Changes in directory llvm/docs:
ReleaseNotes.html updated: 1.322 -> 1.323
---
Log message:
more edits
---
Diffs of the changes: (+23 -14)
ReleaseNotes.html | 37 +++++++++++++++++++++++--------------
1 files changed, 23 insertions(+), 14 deletions(-)
Index: llvm/docs/ReleaseNotes.html
diff -u llvm/docs/ReleaseNotes.html:1.322 llvm/docs/ReleaseNotes.html:1.323
--- llvm/docs/ReleaseNotes.html:1.322 Sun May 15 11:01:20 2005
+++ llvm/docs/ReleaseNotes.html Mon May 16 01:58:39 2005
@@ -83,7 +83,9 @@
This release includes new native code generators for <a
href="#alpha-be">Alpha</a>, <a href="#ia64-be">IA-64</a>, and <a
href="#sparcv8">SPARC-V8</a> (32-bit SPARC). These code generators are still
-beta quality, but are progressing rapidly.
+beta quality, but are progressing rapidly. The Alpha backend is implemented
+with an eye towards being compatible with the widely used SimpleScalar
+simulator.
</p>
</div>
@@ -106,17 +108,17 @@
</div>
<!--_________________________________________________________________________-->
-<div class="doc_subsubsection"><a name="customccs">New Support For Custom
+<div class="doc_subsubsection"><a name="customccs">New Support for Per-Function
Calling Conventions</a></div>
<div class="doc_text">
-<p>LLVM 1.5 adds supports for <a href="LangRef.html#callingconv">custom and
-target-specific calling conventions</a>. Traditionally, the LLVM code
-generators match the native C calling conventions for a target. This is
-important for compatibility, but is not very flexible. This release allows
-custom calling conventions to be established for functions, and defines three
-target-independent conventions (C call, fast call, and cold call) which may be
-supported by code generators. When possible, the LLVM optimizer promotes C
+<p>LLVM 1.5 adds supports for <a href="LangRef.html#callingconv">per-function
+calling conventions</a>. Traditionally, the LLVM code generators match the
+native C calling conventions for a target. This is important for compatibility,
+but is not very flexible. This release allows custom calling conventions to be
+established for functions, and defines three target-independent conventions (<a
+href="LangRef.html#callingconv">C call, fast call, and cold call</a>) which may
+be supported by code generators. When possible, the LLVM optimizer promotes C
functions to use the "fastcc" convention, allowing the use of more efficient
calling sequences (e.g., parameters are passed in registers in the X86 target).
</p>
@@ -129,7 +131,7 @@
<!--_________________________________________________________________________-->
<div class="doc_subsubsection"><a name="tailcalls">New Support for
-"Proper Tail Calls"</a></div>
+Proper Tail Calls</a></div>
<div class="doc_text">
<p>The release now includes support for <a
@@ -208,7 +210,7 @@
counting</a> and llvm-gcc now implements the GCC
<tt>__builtin_popcount</tt>, <tt>__builtin_ctz</tt>, and
<tt>__builtin_clz</tt> builtins.</li>
- <li>LLVM now builds on HP-UX with the HP aCC Compiler.</li>
+ <li>LLVM now mostly builds on HP-UX with the HP aCC Compiler.</li>
<li>The LLVM X86 backend can now emit Cygwin-compatible .s files.</li>
<li>LLVM now includes workarounds in the code generator generator which
reduces the likelyhood of <a href="http://llvm.cs.uiuc.edu/PR448">GCC
@@ -240,6 +242,11 @@
<li>The code generator now uses information about takes advantage of commutative
two-address instructions when performing register allocation.</li>
+<li>The optimizer now eliminates simple cases where redundant conditions exist
+between neighboring blocks.</li>
+
+<li>The reassociation pass (which turns (1+X+3) into (X+1+3) among other
+things), is more aggressive an intelligent.</li>
</ol>
</div>
@@ -265,9 +272,11 @@
<p>Code Generator Bugs:</p>
<ol>
<li><a href="http://llvm.cs.uiuc.edu/PR490">[cbackend] Logical constant
- expressions (and/or/xor) not implemented</a></li>
+ expressions (and/or/xor) not implemented</a>.</li>
<li><a href="http://llvm.cs.uiuc.edu/PR511">[cbackend] C backend does not
- respect 'volatile'</a></li>
+ respect 'volatile'</a>.</li>
+ <li>The JIT sometimes miscompiled globals and constant pool entries for
+ 64-bit integer constants on 32-bit hosts.</li>
</ol>
<p>Bugs in the C/C++ front-end:</p>
@@ -777,7 +786,7 @@
src="http://www.w3.org/Icons/valid-html401" alt="Valid HTML 4.01!" /></a>
<a href="http://llvm.cs.uiuc.edu">The LLVM Compiler Infrastructure</a><br>
- Last modified: $Date: 2005/05/15 16:01:20 $
+ Last modified: $Date: 2005/05/16 06:58:39 $
</address>
</body>
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