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author | Chris Lattner <sabre@nondot.org> | 2009-02-26 05:20:36 +0000 |
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committer | Chris Lattner <sabre@nondot.org> | 2009-02-26 05:20:36 +0000 |
commit | 75e26caaca9831a8e7cc39b432257953469d71d8 (patch) | |
tree | f5efd063edd82d1814f518da94fdca682e8a8e22 /docs | |
parent | 130abb29cc9306a9d447d0e46041e242583e01fd (diff) | |
download | external_llvm-75e26caaca9831a8e7cc39b432257953469d71d8.zip external_llvm-75e26caaca9831a8e7cc39b432257953469d71d8.tar.gz external_llvm-75e26caaca9831a8e7cc39b432257953469d71d8.tar.bz2 |
add some notes from Nicolas G.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65503 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'docs')
-rw-r--r-- | docs/ReleaseNotes.html | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/docs/ReleaseNotes.html b/docs/ReleaseNotes.html index ce3aa4e..4f5db37 100644 --- a/docs/ReleaseNotes.html +++ b/docs/ReleaseNotes.html @@ -171,7 +171,19 @@ bug fixes, cleanup and new features. The major changes are:</p> <ul> -<li>?</li> +<li>Ahead of Time compiler: compiles .class files to llvm .bc. VMKit uses this +functionality to native compile the standard classes (eg java.lang.String). +Users can compile AOT .class files into dynamic libraries and run them with the +help of VMKit.</li> + +<li>New exception model: the dwarf exception model is very slow for +exception-intensive applications, so the JVM has had a new implementation of +exceptions which check at each function call if an exception happened. There is +a low performance penalty on applications without exceptions, but it is a big +gain for exception-intensive applications. For example the jack benchmark in +Spec JVM98 is 6x faster (performance gain of 83%).</li> + +<li>New support for OSX/X64, Linux/X64 (with the Boehm GC), Linux/ppc32.</li> </ul> </div> @@ -227,7 +239,7 @@ how to write a backend doc docs/WritingAnLLVMBackend.html fastisel + exception handling vector widening <3 x float> -> <4 x float> arm port improvements? arm jit encoding stuff, constant island support? -JIT TLS support on x86 +JIT TLS support on x86-32. mem2reg now faster on code with huge basic blocks stack protectors/stack canaries, -fstack-protector, controllable on a per-function basis with attributes. @@ -236,6 +248,8 @@ shufflevector is generalized to allow different shuffle mask width than its loop optimizer improves floating point induction variables llvm/Analysis/DebugInfo.h classes, llvm-gcc and clang and codegen use them. asmprinters seperate from targets for jits +PBQP register allocator now supports register coalescing. + --> </ul> |