[llvm-commits] [llvm] r40117 - /llvm/trunk/docs/LangRef.html
Reid Spencer
rspencer at reidspencer.com
Fri Jul 20 13:03:33 PDT 2007
Author: reid
Date: Fri Jul 20 15:03:33 2007
New Revision: 40117
URL: http://llvm.org/viewvc/llvm-project?rev=40117&view=rev
Log:
Silly HTML
Modified:
llvm/trunk/docs/LangRef.html
Modified: llvm/trunk/docs/LangRef.html
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/docs/LangRef.html?rev=40117&r1=40116&r2=40117&view=diff
==============================================================================
--- llvm/trunk/docs/LangRef.html (original)
+++ llvm/trunk/docs/LangRef.html Fri Jul 20 15:03:33 2007
@@ -5078,13 +5078,13 @@
<p>
The <tt>llvm.memory.barrier</tt> intrinsic requires four boolean arguments.
Each argument enables a specific barrier as listed below.
+</p>
<ul>
<li><tt>ll</tt>: load-load barrier</li>
<li><tt>ls</tt>: load-store barrier</li>
<li><tt>sl</tt>: store-load barrier</li>
<li><tt>ss</tt>: store-store barrier</li>
</ul>
-</p>
<h5>Semantics:</h5>
<p>
This intrinsic causes the system to enforce some ordering constraints upon
@@ -5094,6 +5094,7 @@
(f.ex. load-load, or store-load), all of the first operations preceding the
barrier will complete before any of the second operations succeeding the
barrier begin. Specifically the semantics for each pairing is as follows:
+</p>
<ul>
<li><tt>ll</tt>: All loads before the barrier must complete before any load
after the barrier begins.</li>
@@ -5104,6 +5105,7 @@
<li><tt>sl</tt>: All stores before the barrier must complete before any
load after the barrier begins.</li>
</ul>
+<p>
These semantics are applied with a logical "and" behavior when more than one
is enabled in a single memory barrier intrinsic.
</p>
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