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author | Chris Lattner <sabre@nondot.org> | 2010-04-16 06:20:22 +0000 |
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committer | Chris Lattner <sabre@nondot.org> | 2010-04-16 06:20:22 +0000 |
commit | 8b5d9c89146c012f8e532c03720814b84b4ee359 (patch) | |
tree | e95cf73a5f9fe6731fa4e18a7c0dc7ab9ad0e1f0 /docs/ReleaseNotes.html | |
parent | 64b7bf71e84094193b40ab81aa7dacad921ecbea (diff) | |
download | external_llvm-8b5d9c89146c012f8e532c03720814b84b4ee359.zip external_llvm-8b5d9c89146c012f8e532c03720814b84b4ee359.tar.gz external_llvm-8b5d9c89146c012f8e532c03720814b84b4ee359.tar.bz2 |
completed my pass over all 6+ months of commits, next step, format and make comprehendable.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101449 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'docs/ReleaseNotes.html')
-rw-r--r-- | docs/ReleaseNotes.html | 28 |
1 files changed, 21 insertions, 7 deletions
diff --git a/docs/ReleaseNotes.html b/docs/ReleaseNotes.html index cfde387..c1918a3 100644 --- a/docs/ReleaseNotes.html +++ b/docs/ReleaseNotes.html @@ -62,7 +62,7 @@ current one. To see the release notes for a specific release, please see the <p>FIXME: llvm.org moved to new server, mention new logo, Ted and Doug new code - owners.</p> + owners, web page in llvm-www repos.</p> </div> @@ -534,15 +534,29 @@ New SSAUpdater and MachineSSAUpdater classes for unstructured ssa updating, Combiner-AA improvements, why not on by default? Pre-regalloc tail duplication x86 sibcall / tailcall optimization in CCC mode. -New LSR with full strength reduction mode -The most awesome sext / zext optimization pass. ? +New LSR with "full strength reduction" mode. Description? +Codegen level OptimizeExtsPass pass, takes advantage of x86 subregs. Better code size analysis in loop unswitch, inliner code split out to a new CodeMetrics class for reuse. The ARM backend now has good support for ARMv4 backend (tested on StrongARM hardware), previously only supported ARMv4T and newer. Half-float support in APFloat Indirect branch + address of label (blog post), particularly useful for interpreters. -Many changes to the pass ordering for improved optimization effectiveness. +Many changes to the pass ordering for improved optimization effectiveness. +BasicAA improved to be less dependent on "type safe" pointers, it can now look + through bitcasts more aggressively. +GVN PHI Translation improvements. blog post: http://blog.llvm.org/2009/12/advanced-topics-in-redundant-load.html +llvm.objectsize. +MachineSSAUpdater.h +PostRA scheduler for X86? +llvm.dbg.value, not being used by default though, more in 2.8. Many improvements to debug info +Support for the GCC option -fno-schedule-insns +non-temporal load/store +libllvm2.7.so?? configure with --enable-shared +dbgs() and -debug-buffer-size=N +New MicroBlaze backend. http://en.wikipedia.org/wiki/MicroBlaze +XMM subreg modeling for extraction of the low element. + Opt now works conservatively if no target data is set (is this fully working?) Target data now has notion of 'native' integer data types which optimizations can use. @@ -556,9 +570,9 @@ X86 and XCore supports returning arbitrary return values, returning too many val verbose-asm now produces information about spill slots and loop nests -Defaults to RTTI off, packagers should build with make REQUIRE_RTTI=1. -AndersAA got removed (from 2.7 or mainline?) -PredSimplify, LoopVR, GVNPRE got removed. +Defaults to RTTI off (smaller code size!), packagers should build with make REQUIRE_RTTI=1. +AndersAA got removed +PredSimplify, LoopVR, GVNPRE, RSProfiling (random sampling profiling) got removed. LLVM command line tools now overwrite their output, before they would only do this with -f. DOUT removed, use DEBUG(errs() instead. Much stuff converted to use raw_ostream instead of std::ostream. |