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diff --git a/share/doc/gccint/Insn-Attributes.html b/share/doc/gccint/Insn-Attributes.html new file mode 100644 index 0000000..93b5f4c --- /dev/null +++ b/share/doc/gccint/Insn-Attributes.html @@ -0,0 +1,113 @@ +<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> +<html> +<!-- Copyright (C) 1988-2023 Free Software Foundation, Inc. + +Permission is granted to copy, distribute and/or modify this document +under the terms of the GNU Free Documentation License, Version 1.3 or +any later version published by the Free Software Foundation; with the +Invariant Sections being "Funding Free Software", the Front-Cover +Texts being (a) (see below), and with the Back-Cover Texts being (b) +(see below). A copy of the license is included in the section entitled +"GNU Free Documentation License". + +(a) The FSF's Front-Cover Text is: + +A GNU Manual + +(b) The FSF's Back-Cover Text is: + +You have freedom to copy and modify this GNU Manual, like GNU + software. Copies published by the Free Software Foundation raise + funds for GNU development. --> +<!-- Created by GNU Texinfo 5.1, http://www.gnu.org/software/texinfo/ --> +<head> +<title>GNU Compiler Collection (GCC) Internals: Insn Attributes</title> + +<meta name="description" content="GNU Compiler Collection (GCC) Internals: Insn Attributes"> +<meta name="keywords" content="GNU Compiler Collection (GCC) Internals: Insn Attributes"> +<meta name="resource-type" content="document"> +<meta name="distribution" content="global"> +<meta name="Generator" content="makeinfo"> +<meta http-equiv="Content-Type" content="text/html; charset=utf-8"> +<link href="index.html#Top" rel="start" title="Top"> +<link href="Option-Index.html#Option-Index" rel="index" title="Option Index"> +<link href="index.html#SEC_Contents" rel="contents" title="Table of Contents"> +<link href="Machine-Desc.html#Machine-Desc" rel="up" title="Machine Desc"> +<link href="Defining-Attributes.html#Defining-Attributes" rel="next" title="Defining Attributes"> +<link href="define_005fpeephole2.html#define_005fpeephole2" rel="previous" title="define_peephole2"> +<style type="text/css"> +<!-- +a.summary-letter {text-decoration: none} +blockquote.smallquotation {font-size: smaller} +div.display {margin-left: 3.2em} +div.example {margin-left: 3.2em} +div.indentedblock {margin-left: 3.2em} +div.lisp {margin-left: 3.2em} +div.smalldisplay {margin-left: 3.2em} +div.smallexample {margin-left: 3.2em} +div.smallindentedblock {margin-left: 3.2em; font-size: smaller} +div.smalllisp {margin-left: 3.2em} +kbd {font-style:oblique} +pre.display {font-family: inherit} +pre.format {font-family: inherit} +pre.menu-comment {font-family: serif} +pre.menu-preformatted {font-family: serif} +pre.smalldisplay {font-family: inherit; font-size: smaller} +pre.smallexample {font-size: smaller} +pre.smallformat {font-family: inherit; font-size: smaller} +pre.smalllisp {font-size: smaller} +span.nocodebreak {white-space:nowrap} +span.nolinebreak {white-space:nowrap} +span.roman {font-family:serif; font-weight:normal} +span.sansserif {font-family:sans-serif; font-weight:normal} +ul.no-bullet {list-style: none} +--> +</style> + + +</head> + +<body lang="en" bgcolor="#FFFFFF" text="#000000" link="#0000FF" vlink="#800080" alink="#FF0000"> +<a name="Insn-Attributes"></a> +<div class="header"> +<p> +Next: <a href="Conditional-Execution.html#Conditional-Execution" accesskey="n" rel="next">Conditional Execution</a>, Previous: <a href="Peephole-Definitions.html#Peephole-Definitions" accesskey="p" rel="previous">Peephole Definitions</a>, Up: <a href="Machine-Desc.html#Machine-Desc" accesskey="u" rel="up">Machine Desc</a> [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Option-Index.html#Option-Index" title="Index" rel="index">Index</a>]</p> +</div> +<hr> +<a name="Instruction-Attributes"></a> +<h3 class="section">17.19 Instruction Attributes</h3> +<a name="index-insn-attributes"></a> +<a name="index-instruction-attributes"></a> + +<p>In addition to describing the instruction supported by the target machine, +the <samp>md</samp> file also defines a group of <em>attributes</em> and a set of +values for each. Every generated insn is assigned a value for each attribute. +One possible attribute would be the effect that the insn has on the machine’s +condition code. +</p> +<table class="menu" border="0" cellspacing="0"> +<tr><td align="left" valign="top">• <a href="Defining-Attributes.html#Defining-Attributes" accesskey="1">Defining Attributes</a>:</td><td> </td><td align="left" valign="top">Specifying attributes and their values. +</td></tr> +<tr><td align="left" valign="top">• <a href="Expressions.html#Expressions" accesskey="2">Expressions</a>:</td><td> </td><td align="left" valign="top">Valid expressions for attribute values. +</td></tr> +<tr><td align="left" valign="top">• <a href="Tagging-Insns.html#Tagging-Insns" accesskey="3">Tagging Insns</a>:</td><td> </td><td align="left" valign="top">Assigning attribute values to insns. +</td></tr> +<tr><td align="left" valign="top">• <a href="Attr-Example.html#Attr-Example" accesskey="4">Attr Example</a>:</td><td> </td><td align="left" valign="top">An example of assigning attributes. +</td></tr> +<tr><td align="left" valign="top">• <a href="Insn-Lengths.html#Insn-Lengths" accesskey="5">Insn Lengths</a>:</td><td> </td><td align="left" valign="top">Computing the length of insns. +</td></tr> +<tr><td align="left" valign="top">• <a href="Constant-Attributes.html#Constant-Attributes" accesskey="6">Constant Attributes</a>:</td><td> </td><td align="left" valign="top">Defining attributes that are constant. +</td></tr> +<tr><td align="left" valign="top">• <a href="Mnemonic-Attribute.html#Mnemonic-Attribute" accesskey="7">Mnemonic Attribute</a>:</td><td> </td><td align="left" valign="top">Obtain the instruction mnemonic as attribute value. +</td></tr> +<tr><td align="left" valign="top">• <a href="Delay-Slots.html#Delay-Slots" accesskey="8">Delay Slots</a>:</td><td> </td><td align="left" valign="top">Defining delay slots required for a machine. +</td></tr> +<tr><td align="left" valign="top">• <a href="Processor-pipeline-description.html#Processor-pipeline-description" accesskey="9">Processor pipeline description</a>:</td><td> </td><td align="left" valign="top">Specifying information for insn scheduling. +</td></tr> +</table> + + + + +</body> +</html> |