6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2024-07-08 18:30:04 +00:00
Code Issues Projects Releases Wiki Activity

docs: Update HTML markup(s).

Browse Source 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137433 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
NAKAMURA Takumi 2011-08-12 06:17:17 +00:00
parent 3cc8482b06
commit b5bb29c71f
2 changed files with 30 additions and 27 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

30
docs/GarbageCollection.html
View File

@ -290,10 +290,8 @@ doing so is very simple. (This code is heavily commented to help you
understand the data structure, but there are only 20 lines of meaningful
code.)</p>
</div>
<div class="doc_code"><pre
>/// @brief The map for a single function's stack frame. One of these is
<pre class="doc_code">
/// @brief The map for a single function's stack frame. One of these is
/// compiled as constant data into the executable for each function.
///
/// Storage of metadata values is elided if the %metadata parameter to
@ -338,7 +336,9 @@ void visitGCRoots(void (*Visitor)(void **Root, const void *Meta)) {
for (unsigned e = R->Map->NumRoots; i != e; ++i)
Visitor(&amp;R->Roots[i], NULL);
}
}</pre></div>
}</pre>
</div>
<!-- ======================================================================= -->
<h3>
@ -395,12 +395,12 @@ program.</p>
<a name="gcattr">Specifying GC code generation: <tt>gc "..."</tt></a>
</h3>
<div>
<div class="doc_code"><tt>
define <i>ty</i> @<i>name</i>(...) <span style="text-decoration: underline">gc "<i>name</i>"</span> { ...
</tt></div>
<div>
<p>The <tt>gc</tt> function attribute is used to specify the desired GC style
to the compiler. Its programmatic equivalent is the <tt>setGC</tt> method of
<tt>Function</tt>.</p>
@ -420,12 +420,12 @@ programs that use different garbage collection algorithms (or none at all).</p>
<a name="gcroot">Identifying GC roots on the stack: <tt>llvm.gcroot</tt></a>
</h3>
<div>
<div class="doc_code"><tt>
void @llvm.gcroot(i8** %ptrloc, i8* %metadata)
</tt></div>
<div>
<p>The <tt>llvm.gcroot</tt> intrinsic is used to inform LLVM that a stack
variable references an object on the heap and is to be tracked for garbage
collection. The exact impact on generated code is specified by a <a
@ -453,7 +453,7 @@ the stack frame.</p>
<p>Consider the following fragment of Java code:</p>
<pre>
<pre class="doc_code">
{
Object X; // A null-initialized reference to an object
...
@ -463,7 +463,7 @@ the stack frame.</p>
<p>This block (which may be located in the middle of a function or in a loop
nest), could be compiled to this LLVM code:</p>
<pre>
<pre class="doc_code">
Entry:
;; In the entry block for the function, allocate the
;; stack space for X, which is an LLVM pointer.
@ -537,12 +537,12 @@ are used.</p>
<a name="gcwrite">Write barrier: <tt>llvm.gcwrite</tt></a>
</h4>
<div>
<div class="doc_code"><tt>
void @llvm.gcwrite(i8* %value, i8* %object, i8** %derived)
</tt></div>
<div>
<p>For write barriers, LLVM provides the <tt>llvm.gcwrite</tt> intrinsic
function. It has exactly the same semantics as a non-volatile <tt>store</tt> to
the derived pointer (the third argument). The exact code generated is specified
@ -559,12 +559,12 @@ implement reference counting.</p>
<a name="gcread">Read barrier: <tt>llvm.gcread</tt></a>
</h4>
<div>
<div class="doc_code"><tt>
i8* @llvm.gcread(i8* %object, i8** %derived)<br>
</tt></div>
<div>
<p>For read barriers, LLVM provides the <tt>llvm.gcread</tt> intrinsic function.
It has exactly the same semantics as a non-volatile <tt>load</tt> from the
derived pointer (the second argument). The exact code generated is specified by

27
docs/LangRef.html
View File

@ -1576,11 +1576,11 @@ as if it writes to the relevant surrounding bytes.
</div>
<!-- ======================================================================= -->
<div class="doc_subsection">
<h3>
<a name="ordering">Atomic Memory Ordering Constraints</a>
</div>
</h3>
<div class="doc_text">
<div>
<p>Atomic instructions (<a href="#i_cmpxchg"><code>cmpxchg</code></a>,
<a href="#i_atomicrmw"><code>atomicrmw</code></a>,
@ -4709,10 +4709,11 @@ that the invoke/unwind semantics are likely to change in future versions.</p>
</div>
<!-- _______________________________________________________________________ -->
<div class="doc_subsubsection"> <a name="i_fence">'<tt>fence</tt>'
Instruction</a> </div>
<h4>
<a name="i_fence">'<tt>fence</tt>' Instruction</a>
</h4>
<div class="doc_text">
<div>
<h5>Syntax:</h5>
<pre>
@ -4763,10 +4764,11 @@ thread. (This is useful for interacting with signal handlers.)</p>
</div>
<!-- _______________________________________________________________________ -->
<div class="doc_subsubsection"> <a name="i_cmpxchg">'<tt>cmpxchg</tt>'
Instruction</a> </div>
<h4>
<a name="i_cmpxchg">'<tt>cmpxchg</tt>' Instruction</a>
</h4>
<div class="doc_text">
<div>
<h5>Syntax:</h5>
<pre>
@ -4845,10 +4847,11 @@ done:
</div>
<!-- _______________________________________________________________________ -->
<div class="doc_subsubsection"> <a name="i_atomicrmw">'<tt>atomicrmw</tt>'
Instruction</a> </div>
<h4>
<a name="i_atomicrmw">'<tt>atomicrmw</tt>' Instruction</a>
</h4>
<div class="doc_text">
<div>
<h5>Syntax:</h5>
<pre>