Removing unimplemented vector instructions from language referrence.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27703 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Tanya Lattner 2006-04-14 19:07:42 +00:00
parent be5e85e9d3
commit 36ba6d4d53

View File

@ -96,9 +96,6 @@
<li><a href="#i_extractelement">'<tt>extractelement</tt>' Instruction</a></li>
<li><a href="#i_insertelement">'<tt>insertelement</tt>' Instruction</a></li>
<li><a href="#i_shufflevector">'<tt>shufflevector</tt>' Instruction</a></li>
<li><a href="#i_vsetint">'<tt>vsetint</tt>' Instruction</a></li>
<li><a href="#i_vsetfp">'<tt>vsetfp</tt>' Instruction</a></li>
<li><a href="#i_vselect">'<tt>vselect</tt>' Instruction</a></li>
</ol>
</li>
<li><a href="#memoryops">Memory Access Operations</a>
@ -2060,194 +2057,6 @@ operand may be undef if performing a shuffle from only one vector.
</pre>
</div>
<!-- _______________________________________________________________________ -->
<div class="doc_subsubsection"> <a name="i_vsetint">'<tt>vsetint</tt>'
Instruction</a> </div>
<div class="doc_text">
<h5>Syntax:</h5>
<pre>&lt;result&gt; = vsetint &lt;op&gt;, &lt;n x &lt;ty&gt;&gt; &lt;var1&gt;, &lt;var2&gt; <i>; yields &lt;n x bool&gt;</i>
</pre>
<h5>Overview:</h5>
<p>The '<tt>vsetint</tt>' instruction takes two integer vectors and
returns a vector of boolean values representing, at each position, the
result of the comparison between the values at that position in the
two operands.</p>
<h5>Arguments:</h5>
<p>The arguments to a '<tt>vsetint</tt>' instruction are a comparison
operation and two value arguments. The value arguments must be of <a
href="#t_integral">integral</a> <a href="#t_packed">packed</a> type,
and they must have identical types. The operation argument must be
one of <tt>eq</tt>, <tt>ne</tt>, <tt>slt</tt>, <tt>sgt</tt>,
<tt>sle</tt>, <tt>sge</tt>, <tt>ult</tt>, <tt>ugt</tt>, <tt>ule</tt>,
<tt>uge</tt>, <tt>true</tt>, and <tt>false</tt>. The result is a
packed <tt>bool</tt> value with the same length as each operand.</p>
<h5>Semantics:</h5>
<p>The following table shows the semantics of '<tt>vsetint</tt>'. For
each position of the result, the comparison is done on the
corresponding positions of the two value arguments. Note that the
signedness of the comparison depends on the comparison opcode and
<i>not</i> on the signedness of the value operands. E.g., <tt>vsetint
slt <4 x unsigned> %x, %y</tt> does an elementwise <i>signed</i>
comparison of <tt>%x</tt> and <tt>%y</tt>.</p>
<table border="1" cellspacing="0" cellpadding="4">
<tbody>
<tr><th>Operation</th><th>Result is true iff</th><th>Comparison is</th></tr>
<tr><td><tt>eq</tt></td><td>var1 == var2</td><td>--</td></tr>
<tr><td><tt>ne</tt></td><td>var1 != var2</td><td>--</td></tr>
<tr><td><tt>slt</tt></td><td>var1 &lt; var2</td><td>signed</td></tr>
<tr><td><tt>sgt</tt></td><td>var1 &gt; var2</td><td>signed</td></tr>
<tr><td><tt>sle</tt></td><td>var1 &lt;= var2</td><td>signed</td></tr>
<tr><td><tt>sge</tt></td><td>var1 &gt;= var2</td><td>signed</td></tr>
<tr><td><tt>ult</tt></td><td>var1 &lt; var2</td><td>unsigned</td></tr>
<tr><td><tt>ugt</tt></td><td>var1 &gt; var2</td><td>unsigned</td></tr>
<tr><td><tt>ule</tt></td><td>var1 &lt;= var2</td><td>unsigned</td></tr>
<tr><td><tt>uge</tt></td><td>var1 &gt;= var2</td><td>unsigned</td></tr>
<tr><td><tt>true</tt></td><td>always</td><td>--</td></tr>
<tr><td><tt>false</tt></td><td>never</td><td>--</td></tr>
</tbody>
</table>
<h5>Example:</h5>
<pre> &lt;result&gt; = vsetint eq &lt;2 x int&gt; &lt;int 0, int 1&gt;, &lt;int 1, int 0&gt; <i>; yields {&lt;2 x bool&gt;}:result = false, false</i>
&lt;result&gt; = vsetint ne &lt;2 x int&gt; &lt;int 0, int 1&gt;, &lt;int 1, int 0&gt; <i>; yields {&lt;2 x bool&gt;}:result = true, true</i>
&lt;result&gt; = vsetint slt &lt;2 x int&gt; &lt;int 0, int 1&gt;, &lt;int 1, int 0&gt; <i>; yields {&lt;2 x bool&gt;}:result = true, false</i>
&lt;result&gt; = vsetint sgt &lt;2 x int&gt; &lt;int 0, int 1&gt;, &lt;int 1, int 0&gt; <i>; yields {&lt;2 x bool&gt;}:result = false, true</i>
&lt;result&gt; = vsetint sle &lt;2 x int&gt; &lt;int 0, int 1&gt;, &lt;int 1, int 0&gt; <i>; yields {&lt;2 x bool&gt;}:result = true, false</i>
&lt;result&gt; = vsetint sge &lt;2 x int&gt; &lt;int 0, int 1&gt;, &lt;int 1, int 0&gt; <i>; yields {&lt;2 x bool&gt;}:result = false, true</i>
</pre>
</div>
<!-- _______________________________________________________________________ -->
<div class="doc_subsubsection"> <a name="i_vsetfp">'<tt>vsetfp</tt>'
Instruction</a> </div>
<div class="doc_text">
<h5>Syntax:</h5>
<pre>&lt;result&gt; = vsetfp &lt;op&gt;, &lt;n x &lt;ty&gt;&gt; &lt;var1&gt;, &lt;var2&gt; <i>; yields &lt;n x bool&gt;</i>
</pre>
<h5>Overview:</h5>
<p>The '<tt>vsetfp</tt>' instruction takes two floating point vector
arguments and returns a vector of boolean values representing, at each
position, the result of the comparison between the values at that
position in the two operands.</p>
<h5>Arguments:</h5>
<p>The arguments to a '<tt>vsetfp</tt>' instruction are a comparison
operation and two value arguments. The value arguments must be of <a
href="t_floating">floating point</a> <a href="#t_packed">packed</a>
type, and they must have identical types. The operation argument must
be one of <tt>eq</tt>, <tt>ne</tt>, <tt>lt</tt>, <tt>gt</tt>,
<tt>le</tt>, <tt>ge</tt>, <tt>oeq</tt>, <tt>one</tt>, <tt>olt</tt>,
<tt>ogt</tt>, <tt>ole</tt>, <tt>oge</tt>, <tt>ueq</tt>, <tt>une</tt>,
<tt>ult</tt>, <tt>ugt</tt>, <tt>ule</tt>, <tt>uge</tt>, <tt>o</tt>,
<tt>u</tt>, <tt>true</tt>, and <tt>false</tt>. The result is a packed
<tt>bool</tt> value with the same length as each operand.</p>
<h5>Semantics:</h5>
<p>The following table shows the semantics of '<tt>vsetfp</tt>' for
floating point types. If either operand is a floating point Not a
Number (NaN) value, the operation is unordered, and the value in the
first column below is produced at that position. Otherwise, the
operation is ordered, and the value in the second column is
produced.</p>
<table border="1" cellspacing="0" cellpadding="4">
<tbody>
<tr><th>Operation</th><th>If unordered<th>Otherwise true iff</th></tr>
<tr><td><tt>eq</tt></td><td>undefined</td><td>var1 == var2</td></tr>
<tr><td><tt>ne</tt></td><td>undefined</td><td>var1 != var2</td></tr>
<tr><td><tt>lt</tt></td><td>undefined</td><td>var1 &lt; var2</td></tr>
<tr><td><tt>gt</tt></td><td>undefined</td><td>var1 &gt; var2</td></tr>
<tr><td><tt>le</tt></td><td>undefined</td><td>var1 &lt;= var2</td></tr>
<tr><td><tt>ge</tt></td><td>undefined</td><td>var1 &gt;= var2</td></tr>
<tr><td><tt>oeq</tt></td><td>false</td><td>var1 == var2</td></tr>
<tr><td><tt>one</tt></td><td>false</td><td>var1 != var2</td></tr>
<tr><td><tt>olt</tt></td><td>false</td><td>var1 &lt; var2</td></tr>
<tr><td><tt>ogt</tt></td><td>false</td><td>var1 &gt; var2</td></tr>
<tr><td><tt>ole</tt></td><td>false</td><td>var1 &lt;= var2</td></tr>
<tr><td><tt>oge</tt></td><td>false</td><td>var1 &gt;= var2</td></tr>
<tr><td><tt>ueq</tt></td><td>true</td><td>var1 == var2</td></tr>
<tr><td><tt>une</tt></td><td>true</td><td>var1 != var2</td></tr>
<tr><td><tt>ult</tt></td><td>true</td><td>var1 &lt; var2</td></tr>
<tr><td><tt>ugt</tt></td><td>true</td><td>var1 &gt; var2</td></tr>
<tr><td><tt>ule</tt></td><td>true</td><td>var1 &lt;= var2</td></tr>
<tr><td><tt>uge</tt></td><td>true</td><td>var1 &gt;= var2</td></tr>
<tr><td><tt>o</tt></td><td>false</td><td>always</td></tr>
<tr><td><tt>u</tt></td><td>true</td><td>never</td></tr>
<tr><td><tt>true</tt></td><td>true</td><td>always</td></tr>
<tr><td><tt>false</tt></td><td>false</td><td>never</td></tr>
</tbody>
</table>
<h5>Example:</h5>
<pre> &lt;result&gt; = vsetfp eq &lt;2 x float&gt; &lt;float 0.0, float 1.0&gt;, &lt;float 1.0, float 0.0&gt; <i>; yields {&lt;2 x bool&gt;}:result = false, false</i>
&lt;result&gt; = vsetfp ne &lt;2 x float&gt; &lt;float 0.0, float 1.0&gt;, &lt;float 1.0, float 0.0&gt; <i>; yields {&lt;2 x bool&gt;}:result = true, true</i>
&lt;result&gt; = vsetfp lt &lt;2 x float&gt; &lt;float 0.0, float 1.0&gt;, &lt;float 1.0, float 0.0&gt; <i>; yields {&lt;2 x bool&gt;}:result = true, false</i>
&lt;result&gt; = vsetfp gt &lt;2 x float&gt; &lt;float 0.0, float 1.0&gt;, &lt;float 1.0, float 0.0&gt; <i>; yields {&lt;2 x bool&gt;}:result = false, true</i>
&lt;result&gt; = vsetfp le &lt;2 x float&gt; &lt;float 0.0, float 1.0&gt;, &lt;float 1.0, float 0.0&gt; <i>; yields {&lt;2 x bool&gt;}:result = true, false</i>
&lt;result&gt; = vsetfp ge &lt;2 x float&gt; &lt;float 0.0, float 1.0&gt;, &lt;float 1.0, float 0.0&gt; <i>; yields {&lt;2 x bool&gt;}:result = false, true</i>
</pre>
</div>
<!-- _______________________________________________________________________ -->
<div class="doc_subsubsection">
<a name="i_vselect">'<tt>vselect</tt>' Instruction</a>
</div>
<div class="doc_text">
<h5>Syntax:</h5>
<pre>
&lt;result&gt; = vselect &lt;n x bool&gt; &lt;cond&gt;, &lt;n x &lt;ty&gt;&gt; &lt;val1&gt;, &lt;n x &lt;ty&gt;&gt; &lt;val2&gt; <i>; yields &lt;n x &lt;ty&gt;&gt;</i>
</pre>
<h5>Overview:</h5>
<p>
The '<tt>vselect</tt>' instruction chooses one value at each position
of a vector based on a condition.
</p>
<h5>Arguments:</h5>
<p>
The '<tt>vselect</tt>' instruction requires a <a
href="#t_packed">packed</a> <tt>bool</tt> value indicating the
condition at each vector position, and two values of the same packed
type. All three operands must have the same length. The type of the
result is the same as the type of the two value operands.</p>
<h5>Semantics:</h5>
<p>
At each position where the <tt>bool</tt> vector is true, that position
of the result gets its value from the first value argument; otherwise,
it gets its value from the second value argument.
</p>
<h5>Example:</h5>
<pre>
%X = vselect bool &lt;2 x bool&gt; &lt;bool true, bool false&gt;, &lt;2 x ubyte&gt; &lt;ubyte 17, ubyte 17&gt;,
&lt;2 x ubyte&gt; &lt;ubyte 42, ubyte 42&gt; <i>; yields &lt;2 x ubyte&gt;:17, 42</i>
</pre>
</div>
<!-- ======================================================================= -->
<div class="doc_subsection">
<a name="memoryops">Memory Access Operations</a>