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diff --git a/docs/CodeGenerator.html b/docs/CodeGenerator.html index 700a4fcf22..c7ffbc6f96 100644 --- a/docs/CodeGenerator.html +++ b/docs/CodeGenerator.html @@ -383,11 +383,31 @@ href="TableGenFundamentals.html">TableGen</a> description of the register file. <a name="targetinstrinfo">The <tt>TargetInstrInfo</tt> class</a> </div> +<div class="doc_text"> + <p>The <tt>TargetInstrInfo</tt> class is used to describe the machine + instructions supported by the target. It is essentially an array of + <tt>TargetInstrDescriptor</tt> objects, each of which describes one + instruction the target supports. Descriptors define things like the mnemonic + for the opcode, the number of operands, the size of the largets immediate + field the instruction can contain, the latency of the instruction in machine + cycles, etc.</p> +</div> + <!-- ======================================================================= --> <div class="doc_subsection"> <a name="targetframeinfo">The <tt>TargetFrameInfo</tt> class</a> </div> +<div class="doc_text"> + <p>The <tt>TargetFrameInfo</tt> class is used to provide information about the + stack frame layout of the target. It holds the direction of stack growth, + the known stack alignment on entry to each function, and the offset to the + locals area. The offset to the local area is the offset from the stack + pointer on function entry to the first location where function data (local + variables, spill locations) can be stored.</p> + <p>The class also provides several functions for computing alignment and + offsets for various situations.</p> +</div> <!-- ======================================================================= --> <div class="doc_subsection"> <a name="targetjitinfo">The <tt>TargetJITInfo</tt> class</a> |