122 lines
7.0 KiB
HTML
122 lines
7.0 KiB
HTML
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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
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<html>
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<!-- This file documents the GNU Assembler "as".
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Copyright (C) 1991-2016 Free Software Foundation, Inc.
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Permission is granted to copy, distribute and/or modify this document
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under the terms of the GNU Free Documentation License, Version 1.3
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or any later version published by the Free Software Foundation;
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with no Invariant Sections, with no Front-Cover Texts, and with no
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Back-Cover Texts. A copy of the license is included in the
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section entitled "GNU Free Documentation License".
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-->
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<!-- Created by GNU Texinfo 5.2, http://www.gnu.org/software/texinfo/ -->
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<head>
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<title>Using as: i386-Dependent</title>
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<meta name="description" content="Using as: i386-Dependent">
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<meta name="keywords" content="Using as: i386-Dependent">
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<meta name="resource-type" content="document">
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
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<link href="index.html#Top" rel="start" title="Top">
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<link href="AS-Index.html#AS-Index" rel="index" title="AS Index">
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<link href="index.html#SEC_Contents" rel="contents" title="Table of Contents">
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<link href="Machine-Dependencies.html#Machine-Dependencies" rel="up" title="Machine Dependencies">
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<link href="i386_002dOptions.html#i386_002dOptions" rel="next" title="i386-Options">
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<link href="ESA_002f390-Opcodes.html#ESA_002f390-Opcodes" rel="prev" title="ESA/390 Opcodes">
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-->
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</style>
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</head>
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<body lang="en" bgcolor="#FFFFFF" text="#000000" link="#0000FF" vlink="#800080" alink="#FF0000">
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<a name="i386_002dDependent"></a>
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<div class="header">
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<p>
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Next: <a href="i860_002dDependent.html#i860_002dDependent" accesskey="n" rel="next">i860-Dependent</a>, Previous: <a href="ESA_002f390_002dDependent.html#ESA_002f390_002dDependent" accesskey="p" rel="prev">ESA/390-Dependent</a>, Up: <a href="Machine-Dependencies.html#Machine-Dependencies" accesskey="u" rel="up">Machine Dependencies</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>
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</div>
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<hr>
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<a name="g_t80386-Dependent-Features"></a>
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<h3 class="section">9.15 80386 Dependent Features</h3>
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<a name="index-i386-support"></a>
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<a name="index-i80386-support"></a>
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<a name="index-x86_002d64-support"></a>
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<p>The i386 version <code>as</code> supports both the original Intel 386
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architecture in both 16 and 32-bit mode as well as AMD x86-64 architecture
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extending the Intel architecture to 64-bits.
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</p>
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<table class="menu" border="0" cellspacing="0">
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<tr><td align="left" valign="top">• <a href="i386_002dOptions.html#i386_002dOptions" accesskey="1">i386-Options</a>:</td><td> </td><td align="left" valign="top">Options
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</td></tr>
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<tr><td align="left" valign="top">• <a href="i386_002dDirectives.html#i386_002dDirectives" accesskey="2">i386-Directives</a>:</td><td> </td><td align="left" valign="top">X86 specific directives
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</td></tr>
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<tr><td align="left" valign="top">• <a href="i386_002dSyntax.html#i386_002dSyntax" accesskey="3">i386-Syntax</a>:</td><td> </td><td align="left" valign="top">Syntactical considerations
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</td></tr>
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<tr><td align="left" valign="top">• <a href="i386_002dMnemonics.html#i386_002dMnemonics" accesskey="4">i386-Mnemonics</a>:</td><td> </td><td align="left" valign="top">Instruction Naming
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</td></tr>
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<tr><td align="left" valign="top">• <a href="i386_002dRegs.html#i386_002dRegs" accesskey="5">i386-Regs</a>:</td><td> </td><td align="left" valign="top">Register Naming
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</td></tr>
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<tr><td align="left" valign="top">• <a href="i386_002dPrefixes.html#i386_002dPrefixes" accesskey="6">i386-Prefixes</a>:</td><td> </td><td align="left" valign="top">Instruction Prefixes
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</td></tr>
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<tr><td align="left" valign="top">• <a href="i386_002dMemory.html#i386_002dMemory" accesskey="7">i386-Memory</a>:</td><td> </td><td align="left" valign="top">Memory References
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</td></tr>
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<tr><td align="left" valign="top">• <a href="i386_002dJumps.html#i386_002dJumps" accesskey="8">i386-Jumps</a>:</td><td> </td><td align="left" valign="top">Handling of Jump Instructions
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</td></tr>
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<tr><td align="left" valign="top">• <a href="i386_002dFloat.html#i386_002dFloat" accesskey="9">i386-Float</a>:</td><td> </td><td align="left" valign="top">Floating Point
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</td></tr>
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<tr><td align="left" valign="top">• <a href="i386_002dSIMD.html#i386_002dSIMD">i386-SIMD</a>:</td><td> </td><td align="left" valign="top">Intel’s MMX and AMD’s 3DNow! SIMD Operations
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</td></tr>
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<tr><td align="left" valign="top">• <a href="i386_002dLWP.html#i386_002dLWP">i386-LWP</a>:</td><td> </td><td align="left" valign="top">AMD’s Lightweight Profiling Instructions
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</td></tr>
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<tr><td align="left" valign="top">• <a href="i386_002dBMI.html#i386_002dBMI">i386-BMI</a>:</td><td> </td><td align="left" valign="top">Bit Manipulation Instruction
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</td></tr>
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<tr><td align="left" valign="top">• <a href="i386_002dTBM.html#i386_002dTBM">i386-TBM</a>:</td><td> </td><td align="left" valign="top">AMD’s Trailing Bit Manipulation Instructions
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</td></tr>
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<tr><td align="left" valign="top">• <a href="i386_002d16bit.html#i386_002d16bit">i386-16bit</a>:</td><td> </td><td align="left" valign="top">Writing 16-bit Code
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</td></tr>
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<tr><td align="left" valign="top">• <a href="i386_002dArch.html#i386_002dArch">i386-Arch</a>:</td><td> </td><td align="left" valign="top">Specifying an x86 CPU architecture
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</td></tr>
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<tr><td align="left" valign="top">• <a href="i386_002dBugs.html#i386_002dBugs">i386-Bugs</a>:</td><td> </td><td align="left" valign="top">AT&T Syntax bugs
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</td></tr>
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<tr><td align="left" valign="top">• <a href="i386_002dNotes.html#i386_002dNotes">i386-Notes</a>:</td><td> </td><td align="left" valign="top">Notes
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</td></tr>
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</table>
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</body>
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</html>
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