1<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> 2<html> 3<!-- This file documents the GNU Assembler "as". 4 5Copyright (C) 1991-2021 Free Software Foundation, Inc. 6 7Permission is granted to copy, distribute and/or modify this document 8under the terms of the GNU Free Documentation License, Version 1.3 9or any later version published by the Free Software Foundation; 10with no Invariant Sections, with no Front-Cover Texts, and with no 11Back-Cover Texts. A copy of the license is included in the 12section entitled "GNU Free Documentation License". 13 --> 14<!-- Created by GNU Texinfo 5.1, http://www.gnu.org/software/texinfo/ --> 15<head> 16<title>Using as: SH Opcodes</title> 17 18<meta name="description" content="Using as: SH Opcodes"> 19<meta name="keywords" content="Using as: SH Opcodes"> 20<meta name="resource-type" content="document"> 21<meta name="distribution" content="global"> 22<meta name="Generator" content="makeinfo"> 23<meta http-equiv="Content-Type" content="text/html; charset=utf-8"> 24<link href="index.html#Top" rel="start" title="Top"> 25<link href="AS-Index.html#AS-Index" rel="index" title="AS Index"> 26<link href="index.html#SEC_Contents" rel="contents" title="Table of Contents"> 27<link href="SH_002dDependent.html#SH_002dDependent" rel="up" title="SH-Dependent"> 28<link href="Sparc_002dDependent.html#Sparc_002dDependent" rel="next" title="Sparc-Dependent"> 29<link href="SH-Directives.html#SH-Directives" rel="previous" title="SH Directives"> 30<style type="text/css"> 31<!-- 32a.summary-letter {text-decoration: none} 33blockquote.smallquotation {font-size: smaller} 34div.display {margin-left: 3.2em} 35div.example {margin-left: 3.2em} 36div.indentedblock {margin-left: 3.2em} 37div.lisp {margin-left: 3.2em} 38div.smalldisplay {margin-left: 3.2em} 39div.smallexample {margin-left: 3.2em} 40div.smallindentedblock {margin-left: 3.2em; font-size: smaller} 41div.smalllisp {margin-left: 3.2em} 42kbd {font-style:oblique} 43pre.display {font-family: inherit} 44pre.format {font-family: inherit} 45pre.menu-comment {font-family: serif} 46pre.menu-preformatted {font-family: serif} 47pre.smalldisplay {font-family: inherit; font-size: smaller} 48pre.smallexample {font-size: smaller} 49pre.smallformat {font-family: inherit; font-size: smaller} 50pre.smalllisp {font-size: smaller} 51span.nocodebreak {white-space:nowrap} 52span.nolinebreak {white-space:nowrap} 53span.roman {font-family:serif; font-weight:normal} 54span.sansserif {font-family:sans-serif; font-weight:normal} 55ul.no-bullet {list-style: none} 56--> 57</style> 58 59 60</head> 61 62<body lang="en" bgcolor="#FFFFFF" text="#000000" link="#0000FF" vlink="#800080" alink="#FF0000"> 63<a name="SH-Opcodes"></a> 64<div class="header"> 65<p> 66Previous: <a href="SH-Directives.html#SH-Directives" accesskey="p" rel="previous">SH Directives</a>, Up: <a href="SH_002dDependent.html#SH_002dDependent" accesskey="u" rel="up">SH-Dependent</a> [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="AS-Index.html#AS-Index" title="Index" rel="index">Index</a>]</p> 67</div> 68<hr> 69<a name="Opcodes-18"></a> 70<h4 class="subsection">9.43.5 Opcodes</h4> 71 72<a name="index-SH-opcode-summary"></a> 73<a name="index-opcode-summary_002c-SH"></a> 74<a name="index-mnemonics_002c-SH"></a> 75<a name="index-instruction-summary_002c-SH"></a> 76<p>For detailed information on the SH machine instruction set, see 77<cite>SH-Microcomputer User’s Manual</cite> (Renesas) or 78<cite>SH-4 32-bit CPU Core Architecture</cite> (SuperH) and 79<cite>SuperH (SH) 64-Bit RISC Series</cite> (SuperH). 80</p> 81<p><code>as</code> implements all the standard SH opcodes. No additional 82pseudo-instructions are needed on this family. Note, however, that 83because <code>as</code> supports a simpler form of PC-relative 84addressing, you may simply write (for example) 85</p> 86<div class="example"> 87<pre class="example">mov.l bar,r0 88</pre></div> 89 90<p>where other assemblers might require an explicit displacement to 91<code>bar</code> from the program counter: 92</p> 93<div class="example"> 94<pre class="example">mov.l @(<var>disp</var>, PC) 95</pre></div> 96 97 98 99 100 101 102 103</body> 104</html> 105