6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2025-05-20 20:38:48 +00:00
Code Issues Projects Releases Wiki Activity

Add a stub for block placement pass. This needs fleshing out w/ details

Browse Source 
about what folks should expect w.r.t. the new algorithm.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@154891 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chandler Carruth 2012-04-17 01:10:35 +00:00
parent 6d9cf6cf9a
commit 268fde43cf
1 changed files with 12 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
docs/ReleaseNotes.html
View File

@ -299,6 +299,8 @@ Release Notes</a>.</h1>
Support to model instruction bundling / packing.</li>
<li><a href="#armintegratedassembler">ARM Integrated Assembler</a>,
A full featured assembler and direct-to-object support for ARM.</li>
<li><a href="#blockplacement">Basic Block Placement</a>
Probability driven basic block placement.</li>
<li>....</li>
</ul>
@ -416,6 +418,16 @@ Release Notes</a>.</h1>
</div>
<h4>
<a name="blockplacement">Basic Block Placement</a>
</h4>
<div>
<p>A probability based block placement and code layout algorithm was added to
LLVM's code generator. This layout pass supports probabilities derived from
static heuristics as well as source code annotations such as
<code>__builtin_expect</code>.</p>
</div>
<!--=========================================================================-->
<h3>
<a name="x86">X86-32 and X86-64 Target Improvements</a>