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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146288 91177308-0d34-0410-b5e6-96231b3b80d8
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Bill Wendling 2011-12-09 22:41:40 +00:00
parent 8a12e3b5df
commit 262396b644
1 changed files with 14 additions and 14 deletions
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@ -4247,9 +4247,9 @@ that the invoke/unwind semantics are likely to change in future versions.</p>
<table border="1" cellspacing="0" cellpadding="4">
<tbody>
<tr>
<td>In0</td>
<td>In1</td>
<td>Out</td>
<th>In0</th>
<th>In1</th>
<th>Out</th>
</tr>
<tr>
<td>0</td>
@ -4308,9 +4308,9 @@ that the invoke/unwind semantics are likely to change in future versions.</p>
<table border="1" cellspacing="0" cellpadding="4">
<tbody>
<tr>
<td>In0</td>
<td>In1</td>
<td>Out</td>
<th>In0</th>
<th>In1</th>
<th>Out</th>
</tr>
<tr>
<td>0</td>
@ -4372,9 +4372,9 @@ that the invoke/unwind semantics are likely to change in future versions.</p>
<table border="1" cellspacing="0" cellpadding="4">
<tbody>
<tr>
<td>In0</td>
<td>In1</td>
<td>Out</td>
<th>In0</th>
<th>In1</th>
<th>Out</th>
</tr>
<tr>
<td>0</td>
@ -4785,8 +4785,8 @@ that the invoke/unwind semantics are likely to change in future versions.</p>
<h5>Syntax:</h5>
<pre>
store [volatile] &lt;ty&gt; &lt;value&gt;, &lt;ty&gt;* &lt;pointer&gt;[, align &lt;alignment&gt;][, !nontemporal !&lt;index&gt;] <i>; yields {void}</i>
store atomic [volatile] &lt;ty&gt; &lt;value&gt;, &lt;ty&gt;* &lt;pointer&gt; [singlethread] &lt;ordering&gt;, align &lt;alignment&gt; <i>; yields {void}</i>
store [volatile] &lt;ty&gt; &lt;value&gt;, &lt;ty&gt;* &lt;pointer&gt;[, align &lt;alignment&gt;][, !nontemporal !&lt;index&gt;] <i>; yields {void}</i>
store atomic [volatile] &lt;ty&gt; &lt;value&gt;, &lt;ty&gt;* &lt;pointer&gt; [singlethread] &lt;ordering&gt;, align &lt;alignment&gt; <i>; yields {void}</i>
</pre>
<h5>Overview:</h5>
@ -4915,7 +4915,7 @@ thread. (This is useful for interacting with signal handlers.)</p>
<h5>Syntax:</h5>
<pre>
cmpxchg [volatile] &lt;ty&gt;* &lt;pointer&gt;, &lt;ty&gt; &lt;cmp&gt;, &lt;ty&gt; &lt;new&gt; [singlethread] &lt;ordering&gt; <i>; yields {ty}</i>
cmpxchg [volatile] &lt;ty&gt;* &lt;pointer&gt;, &lt;ty&gt; &lt;cmp&gt;, &lt;ty&gt; &lt;new&gt; [singlethread] &lt;ordering&gt; <i>; yields {ty}</i>
</pre>
<h5>Overview:</h5>
@ -4973,13 +4973,13 @@ FIXME: Is a weaker ordering constraint on failure helpful in practice?
<h5>Example:</h5>
<pre>
entry:
%orig = atomic <a href="#i_load">load</a> i32* %ptr unordered <i>; yields {i32}</i>
%orig = atomic <a href="#i_load">load</a> i32* %ptr unordered <i>; yields {i32}</i>
<a href="#i_br">br</a> label %loop
loop:
%cmp = <a href="#i_phi">phi</a> i32 [ %orig, %entry ], [%old, %loop]
%squared = <a href="#i_mul">mul</a> i32 %cmp, %cmp
%old = cmpxchg i32* %ptr, i32 %cmp, i32 %squared <i>; yields {i32}</i>
%old = cmpxchg i32* %ptr, i32 %cmp, i32 %squared <i>; yields {i32}</i>
%success = <a href="#i_icmp">icmp</a> eq i32 %cmp, %old
<a href="#i_br">br</a> i1 %success, label %done, label %loop