toolchain/share/doc/as.html/SH-Opcodes.html

70 lines
2.9 KiB
HTML
Raw Permalink Normal View History

2024-01-10 05:24:32 +00:00
<html lang="en">
<head>
<title>SH Opcodes - Using as</title>
<meta http-equiv="Content-Type" content="text/html">
<meta name="description" content="Using as">
<meta name="generator" content="makeinfo 4.13">
<link title="Top" rel="start" href="index.html#Top">
<link rel="up" href="SH_002dDependent.html#SH_002dDependent" title="SH-Dependent">
<link rel="prev" href="SH-Directives.html#SH-Directives" title="SH Directives">
<link href="http://www.gnu.org/software/texinfo/" rel="generator-home" title="Texinfo Homepage">
<!--
This file documents the GNU Assembler "as".
Copyright (C) 1991-2019 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 no Invariant Sections, with no Front-Cover Texts, and with no
Back-Cover Texts. A copy of the license is included in the
section entitled ``GNU Free Documentation License''.
-->
<meta http-equiv="Content-Style-Type" content="text/css">
<style type="text/css"><!--
pre.display { font-family:inherit }
pre.format { font-family:inherit }
pre.smalldisplay { font-family:inherit; font-size:smaller }
pre.smallformat { font-family:inherit; font-size:smaller }
pre.smallexample { font-size:smaller }
pre.smalllisp { font-size:smaller }
span.sc { font-variant:small-caps }
span.roman { font-family:serif; font-weight:normal; }
span.sansserif { font-family:sans-serif; font-weight:normal; }
--></style>
</head>
<body>
<div class="node">
<a name="SH-Opcodes"></a>
<p>
Previous:&nbsp;<a rel="previous" accesskey="p" href="SH-Directives.html#SH-Directives">SH Directives</a>,
Up:&nbsp;<a rel="up" accesskey="u" href="SH_002dDependent.html#SH_002dDependent">SH-Dependent</a>
<hr>
</div>
<h4 class="subsection">9.43.5 Opcodes</h4>
<p><a name="index-SH-opcode-summary-2134"></a><a name="index-opcode-summary_002c-SH-2135"></a><a name="index-mnemonics_002c-SH-2136"></a><a name="index-instruction-summary_002c-SH-2137"></a>For detailed information on the SH machine instruction set, see
<cite>SH-Microcomputer User's Manual</cite> (Renesas) or
<cite>SH-4 32-bit CPU Core Architecture</cite> (SuperH) and
<cite>SuperH (SH) 64-Bit RISC Series</cite> (SuperH).
<p><code>as</code> implements all the standard SH opcodes. No additional
pseudo-instructions are needed on this family. Note, however, that
because <code>as</code> supports a simpler form of PC-relative
addressing, you may simply write (for example)
<pre class="example"> mov.l bar,r0
</pre>
<p class="noindent">where other assemblers might require an explicit displacement to
<code>bar</code> from the program counter:
<pre class="example"> mov.l @(<var>disp</var>, PC)
</pre>
<!-- Copyright (C) 1991-2019 Free Software Foundation, Inc. -->
<!-- This is part of the GAS manual. -->
<!-- For copying conditions, see the file as.texinfo. -->
</body></html>