Misc. doc fixes following suggestions from Eli.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76699 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman 2009-07-22 00:04:19 +00:00
parent 5d8f1cae76
commit 9c5beed5f5

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@ -2603,6 +2603,7 @@ Instruction</a> </div>
&lt;result&gt; = add &lt;ty&gt; &lt;op1&gt;, &lt;op2&gt; <i>; yields {ty}:result</i>
&lt;result&gt; = signed add &lt;ty&gt; &lt;op1&gt;, &lt;op2&gt; <i>; yields {ty}:result</i>
&lt;result&gt; = unsigned add &lt;ty&gt; &lt;op1&gt;, &lt;op2&gt; <i>; yields {ty}:result</i>
&lt;result&gt; = unsigned signed add &lt;ty&gt; &lt;op1&gt;, &lt;op2&gt; <i>; yields {ty}:result</i>
</pre>
<h5>Overview:</h5>
@ -2623,7 +2624,7 @@ Instruction</a> </div>
is appropriate for both signed and unsigned integers.</p>
<p>If the <tt>signed</tt> and/or <tt>unsigned</tt> keywords are present,
the behavior of the <tt>add</tt> is undefined if signed and/or unsigned
the result value of the <tt>add</tt> is undefined if signed and/or unsigned
overflow, respectively, occurs.</p>
<h5>Example:</h5>
@ -2675,6 +2676,7 @@ Instruction</a> </div>
&lt;result&gt; = sub &lt;ty&gt; &lt;op1&gt;, &lt;op2&gt; <i>; yields {ty}:result</i>
&lt;result&gt; = signed sub &lt;ty&gt; &lt;op1&gt;, &lt;op2&gt; <i>; yields {ty}:result</i>
&lt;result&gt; = unsigned sub &lt;ty&gt; &lt;op1&gt;, &lt;op2&gt; <i>; yields {ty}:result</i>
&lt;result&gt; = unsigned signed sub &lt;ty&gt; &lt;op1&gt;, &lt;op2&gt; <i>; yields {ty}:result</i>
</pre>
<h5>Overview:</h5>
@ -2701,7 +2703,7 @@ Instruction</a> </div>
is appropriate for both signed and unsigned integers.</p>
<p>If the <tt>signed</tt> and/or <tt>unsigned</tt> keywords are present,
the behavior of the <tt>sub</tt> is undefined if signed and/or unsigned
the result value of the <tt>sub</tt> is undefined if signed and/or unsigned
overflow, respectively, occurs.</p>
<h5>Example:</h5>
@ -2760,6 +2762,7 @@ Instruction</a> </div>
&lt;result&gt; = mul &lt;ty&gt; &lt;op1&gt;, &lt;op2&gt; <i>; yields {ty}:result</i>
&lt;result&gt; = signed mul &lt;ty&gt; &lt;op1&gt;, &lt;op2&gt; <i>; yields {ty}:result</i>
&lt;result&gt; = unsigned mul &lt;ty&gt; &lt;op1&gt;, &lt;op2&gt; <i>; yields {ty}:result</i>
&lt;result&gt; = unsigned signed mul &lt;ty&gt; &lt;op1&gt;, &lt;op2&gt; <i>; yields {ty}:result</i>
</pre>
<h5>Overview:</h5>
@ -2785,7 +2788,7 @@ Instruction</a> </div>
product.</p>
<p>If the <tt>signed</tt> and/or <tt>unsigned</tt> keywords are present,
the behavior of the <tt>mul</tt> is undefined if signed and/or unsigned
the result value of the <tt>mul</tt> is undefined if signed and/or unsigned
overflow, respectively, occurs.</p>
<h5>Example:</h5>
@ -2890,8 +2893,9 @@ Instruction</a> </div>
undefined behavior; this is a rare case, but can occur, for example, by doing
a 32-bit division of -2147483648 by -1.</p>
<p>If the <tt>exact</tt> keyword is present, the result of the <tt>sdiv</tt>
is undefined if the result would be rounded or if overflow occurs.</p>
<p>If the <tt>exact</tt> keyword is present, the result value of the
<tt>sdiv</tt> is undefined if the result would be rounded or if overflow
would occur.</p>
<h5>Example:</h5>
<pre>