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Diffstat (limited to 'docs/TableGenFundamentals.html')
| -rw-r--r-- | docs/TableGenFundamentals.html | 24 |
1 files changed, 11 insertions, 13 deletions
diff --git a/docs/TableGenFundamentals.html b/docs/TableGenFundamentals.html index 0bdb6dd..d118332 100644 --- a/docs/TableGenFundamentals.html +++ b/docs/TableGenFundamentals.html @@ -405,8 +405,6 @@ which case the user must specify it explicitly.</dd> the symbol table. If the type of 'a' does not match <em>type</em>, TableGen aborts with an error. !cast<string> is a special case in that the argument must be an object defined by a 'def' construct.</dd> -<dt><tt>!nameconcat<type>(a, b)</tt></dt> - <dd>Shorthand for !cast<type>(!strconcat(a, b))</dd> <dt><tt>!subst(a, b, c)</tt></dt> <dd>If 'a' and 'b' are of string type or are symbol references, substitute 'b' for 'a' in 'c.' This operation is analogous to $(subst) in GNU make.</dd> @@ -414,18 +412,18 @@ be an object defined by a 'def' construct.</dd> <dd>For each member 'b' of dag or list 'a' apply operator 'c.' 'b' is a dummy variable that should be declared as a member variable of an instantiated class. This operation is analogous to $(foreach) in GNU make.</dd> -<dt><tt>!car(a)</tt></dt> +<dt><tt>!head(a)</tt></dt> <dd>The first element of list 'a.'</dd> -<dt><tt>!cdr(a)</tt></dt> +<dt><tt>!tail(a)</tt></dt> <dd>The 2nd-N elements of list 'a.'</dd> -<dt><tt>!null(a)</tt></dt> +<dt><tt>!empty(a)</tt></dt> <dd>An integer {0,1} indicating whether list 'a' is empty.</dd> <dt><tt>!if(a,b,c)</tt></dt> <dd>'b' if the result of 'int' or 'bit' operator 'a' is nonzero, 'c' otherwise.</dd> <dt><tt>!eq(a,b)</tt></dt> - <dd>Integer one if string a is equal to string b, zero otherwise. This - only operates on string, int and bit objects. Use !cast<string> to + <dd>'bit 1' if string a is equal to string b, 0 otherwise. This + only operates on string, int and bit objects. Use !cast<string> to compare other types of objects.</dd> </dl> @@ -844,8 +842,7 @@ more ways to factor out commonality from the records, specially if using several levels of multiclass instanciations. This also avoids the need of using "let" expressions within subsequent records inside a multiclass.</p> -<div class="doc_code"> -<pre> +<pre class="doc_code"> <b>multiclass </b>basic_r<bits<4> opc> { <b>let </b>Predicates = [HasSSE2] in { <b>def </b>rr : Instruction<opc, "rr">; @@ -871,16 +868,17 @@ several levels of multiclass instanciations. This also avoids the need of using <div class="doc_section"><a name="codegen">Code Generator backend info</a></div> <!-- *********************************************************************** --> +<div class="doc_text"> + <p>Expressions used by code generator to describe instructions and isel patterns:</p> -<div class="doc_text"> - +<dl> <dt><tt>(implicit a)</tt></dt> <dd>an implicitly defined physical register. This tells the dag instruction selection emitter the input pattern's extra definitions matches implicit physical register definitions.</dd> - +</dl> </div> <!-- *********************************************************************** --> @@ -906,7 +904,7 @@ This should highlight the APIs in <tt>TableGen/Record.h</tt>.</p> <a href="mailto:sabre@nondot.org">Chris Lattner</a><br> <a href="http://llvm.org">LLVM Compiler Infrastructure</a><br> - Last modified: $Date: 2010-06-21 22:35:09 +0200 (Mon, 21 Jun 2010) $ + Last modified: $Date: 2011-01-07 18:05:37 +0100 (Fri, 07 Jan 2011) $ </address> </body> |
