Changes in directory llvm/docs:
LangRef.html updated: 1.125 -> 1.126 --- Log message: Make the bswap documentation more to sabre's liking! --- Diffs of the changes: (+40 -94) LangRef.html | 134 +++++++++++++++++------------------------------------------ 1 files changed, 40 insertions(+), 94 deletions(-) Index: llvm/docs/LangRef.html diff -u llvm/docs/LangRef.html:1.125 llvm/docs/LangRef.html:1.126 --- llvm/docs/LangRef.html:1.125 Fri Jan 13 17:26:01 2006 +++ llvm/docs/LangRef.html Fri Jan 13 17:26:38 2006 @@ -125,9 +125,6 @@ </li> <li><a href="#int_codegen">Code Generator Intrinsics</a> <ol> - <li><a href="#i_bswap_i16">'<tt>llvm.bswap.i16</tt>' Intrinsic</a></li> - <li><a href="#i_bswap_i32">'<tt>llvm.bswap.i32</tt>' Intrinsic</a></li> - <li><a href="#i_bswap_i64">'<tt>llvm.bswap.i64</tt>' Intrinsic</a></li> <li><a href="#i_returnaddress">'<tt>llvm.returnaddress</tt>' Intrinsic</a></li> <li><a href="#i_frameaddress">'<tt>llvm.frameaddress</tt>' Intrinsic</a></li> <li><a href="#i_stacksave">'<tt>llvm.stacksave</tt>' Intrinsic</a></li> @@ -154,8 +151,9 @@ </ol> </li> - <li><a href="#int_count">Bit counting Intrinsics</a> + <li><a href="#int_manip">Bit Manipulation Intrinsics</a> <ol> + <li><a href="#i_bswap">'<tt>llvm.bswap.*</tt>' Intrinsics</a></li> <li><a href="#int_ctpop">'<tt>llvm.ctpop</tt>' Intrinsic </a></li> <li><a href="#int_ctlz">'<tt>llvm.ctlz</tt>' Intrinsic </a></li> <li><a href="#int_cttz">'<tt>llvm.cttz</tt>' Intrinsic </a></li> @@ -2707,93 +2705,6 @@ <!-- _______________________________________________________________________ --> <div class="doc_subsubsection"> - <a name="i_bswap_i16">'<tt>llvm.bswap.i16</tt>' Intrinsic</a> -</div> - -<div class="doc_text"> - -<h5>Syntax:</h5> -<pre> - declare ushort %llvm.bswap.i16( ushort <id> ) -</pre> - -<h5>Overview:</h5> - -<p> -The '<tt>llvm.bwsap.i16</tt>' intrinsic is used to byteswap a 16 bit quantity. -This is useful for performing operations on data that is not in the target's -native byte order. -</p> - -<h5>Semantics:</h5> - -<p> -This intrinsic returns a ushort value that has the two bytes of the input ushort -swapped. -</p> - -</div> - -<!-- _______________________________________________________________________ --> -<div class="doc_subsubsection"> - <a name="i_bswap_i32">'<tt>llvm.bswap.i32</tt>' Intrinsic</a> -</div> - -<div class="doc_text"> - -<h5>Syntax:</h5> -<pre> - declare uint %llvm.bswap.i32( uint <id> ) -</pre> - -<h5>Overview:</h5> - -<p> -The '<tt>llvm.bwsap.i32</tt>' intrinsic is used to byteswap a 32 bit quantity. -This is useful for performing operations on data that is not in the target's -native byte order. -</p> - -<h5>Semantics:</h5> - -<p> -This intrinsic returns a uint value that has the four bytes of the input uint -swapped, so that if the input bytes are numbered 0, 1, 2, 3 then the returned -uint will have its bytes in 3, 2, 1, 0 order. -</p> - -</div> - -<!-- _______________________________________________________________________ --> -<div class="doc_subsubsection"> - <a name="i_bswap_i64">'<tt>llvm.bswap.i64</tt>' Intrinsic</a> -</div> - -<div class="doc_text"> - -<h5>Syntax:</h5> -<pre> - declare ulong %llvm.bswap.i64( ulong <id> ) -</pre> - -<h5>Overview:</h5> - -<p> -The '<tt>llvm.bwsap.i64</tt>' intrinsic is used to byteswap a 64 bit quantity. -This is useful for performing operations on data that is not in the target's -native byte order. -</p> - -<h5>Semantics:</h5> - -<p> -See the description for <a href="#i_bswap_i32"><tt>llvm.bswap.i32</tt></a>. -</p> - -</div> - -<!-- _______________________________________________________________________ --> -<div class="doc_subsubsection"> <a name="i_returnaddress">'<tt>llvm.returnaddress</tt>' Intrinsic</a> </div> @@ -3499,12 +3410,12 @@ <!-- ======================================================================= --> <div class="doc_subsection"> - <a name="int_count">Bit Counting Intrinsics</a> + <a name="int_manip">Bit Manipulation Intrinsics</a> </div> <div class="doc_text"> <p> -LLVM provides intrinsics for a few important bit counting operations. +LLVM provides intrinsics for a few important bit manipulation operations. These allow efficient code generation for some algorithms. </p> @@ -3512,6 +3423,41 @@ <!-- _______________________________________________________________________ --> <div class="doc_subsubsection"> + <a name="i_bswap">'<tt>llvm.bswap.*</tt>' Intrinsics</a> +</div> + +<div class="doc_text"> + +<h5>Syntax:</h5> +<pre> + declare ushort %llvm.bswap.i16( ushort <id> ) + declare uint %llvm.bswap.i32( uint <id> ) + declare ulong %llvm.bswap.i64( ulong <id> ) +</pre> + +<h5>Overview:</h5> + +<p> +The '<tt>llvm.bwsap</tt>' family of intrinsics is used to byteswap a 16, 32 or +64 bit quantity. These are useful for performing operations on data that is not +in the target's native byte order. +</p> + +<h5>Semantics:</h5> + +<p> +The llvm.bswap.16 intrinsic returns a ushort value that has the high and low +byte of the input ushort swapped. Similarly, the llvm.bswap.i32 intrinsic +returns a uint value that has the four bytes of the input uint swapped, so that +if the input bytes are numbered 0, 1, 2, 3 then the returned uint will have its +bytes in 3, 2, 1, 0 order. The llvm.bswap.i64 intrinsic extends this concept +to 64 bits. +</p> + +</div> + +<!-- _______________________________________________________________________ --> +<div class="doc_subsubsection"> <a name="int_ctpop">'<tt>llvm.ctpop</tt>' Intrinsic</a> </div> @@ -3639,7 +3585,7 @@ <a href="mailto:[EMAIL PROTECTED]">Chris Lattner</a><br> <a href="http://llvm.cs.uiuc.edu">The LLVM Compiler Infrastructure</a><br> - Last modified: $Date: 2006/01/13 23:26:01 $ + Last modified: $Date: 2006/01/13 23:26:38 $ </address> </body> </html> _______________________________________________ llvm-commits mailing list llvm-commits@cs.uiuc.edu http://lists.cs.uiuc.edu/mailman/listinfo/llvm-commits