maxjhandsome
/
llvm-project
forked from OSchip/llvm-project
1
0
Fork 0
Code Issues Pull Requests Packages Releases Wiki Activity

add some notes 

llvm-svn: 145163
This commit is contained in:
Chris Lattner 2011-11-27 05:47:57 +00:00
parent 8a3c663e95
commit 74a3e00ebf
1 changed files with 17 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

19
llvm/docs/ReleaseNotes.html
View File

@ -751,7 +751,7 @@ be used to verify some algorithms.
-->
<!--
Type system rewrite.
Type system rewrite: http://blog.llvm.org/2011/11/llvm-30-type-system-rewrite.html
Better performance for Neon code in clang due to SRoA improvements.
New regalloc on by default. Lin scan going away in 3.1
PGO / builtin_expect improvements (summary needed)
@ -769,8 +769,23 @@ be used to verify some algorithms.
Better code generation for Cortex-A9
Many APIs take ArrayRef's now.
Pass manager extension API.
ARM inline asm constraints implemented.
LangRef.html#fnattrs uwtable attribute for asynch unwind tables.
better performance for indirect gotos.
llvm.prefetch now takes a 4th argument that specifies whether the prefetch happens to the icache or dcache.
New PackedVector, TinyPtrVector class (see Programmer's Manual)
New nonlazybind function attribute.
ARC language specific optimizer (Transforms/ObjCARC) a decent example of language-specific transformation.
LLVM 3.0 removes support for reading LLVM 2.8 and earlier files.
New llvm.expect intrinsic.
Table generated MC expansion logic for pseudo instructions that expand to multiple MC instructions through the PseudoInstExpansion class. (JimG)
New llvm.fma intrinsic.
Euro dev meeting and main one too.
New atomics instructions, "#i_fence" instruction.
X86: inline assembler supports .code32 and .code64.
-->
<ul>