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78 lines
4.4 KiB
HTML
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<title>i386-Dependent - Using as</title>
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<link rel="up" href="Machine-Dependencies.html#Machine-Dependencies" title="Machine Dependencies">
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<link rel="prev" href="ESA_002f390_002dDependent.html#ESA_002f390_002dDependent" title="ESA/390-Dependent">
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<link rel="next" href="i860_002dDependent.html#i860_002dDependent" title="i860-Dependent">
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<!--
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This file documents the GNU Assembler "as".
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Copyright (C) 1991-2015 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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<div class="node">
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<a name="i386-Dependent"></a>
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<a name="i386_002dDependent"></a>
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<p>
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Next: <a rel="next" accesskey="n" href="i860_002dDependent.html#i860_002dDependent">i860-Dependent</a>,
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Previous: <a rel="previous" accesskey="p" href="ESA_002f390_002dDependent.html#ESA_002f390_002dDependent">ESA/390-Dependent</a>,
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Up: <a rel="up" accesskey="u" href="Machine-Dependencies.html#Machine-Dependencies">Machine Dependencies</a>
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<hr>
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</div>
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<h3 class="section">9.15 80386 Dependent Features</h3>
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<p><a name="index-i386-support-980"></a><a name="index-i80386-support-981"></a><a name="index-x86_002d64-support-982"></a>
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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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<ul class="menu">
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<li><a accesskey="1" href="i386_002dOptions.html#i386_002dOptions">i386-Options</a>: Options
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<li><a accesskey="2" href="i386_002dDirectives.html#i386_002dDirectives">i386-Directives</a>: X86 specific directives
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<li><a accesskey="3" href="i386_002dSyntax.html#i386_002dSyntax">i386-Syntax</a>: Syntactical considerations
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<li><a accesskey="4" href="i386_002dMnemonics.html#i386_002dMnemonics">i386-Mnemonics</a>: Instruction Naming
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<li><a accesskey="5" href="i386_002dRegs.html#i386_002dRegs">i386-Regs</a>: Register Naming
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<li><a accesskey="6" href="i386_002dPrefixes.html#i386_002dPrefixes">i386-Prefixes</a>: Instruction Prefixes
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<li><a accesskey="7" href="i386_002dMemory.html#i386_002dMemory">i386-Memory</a>: Memory References
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<li><a accesskey="8" href="i386_002dJumps.html#i386_002dJumps">i386-Jumps</a>: Handling of Jump Instructions
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<li><a accesskey="9" href="i386_002dFloat.html#i386_002dFloat">i386-Float</a>: Floating Point
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<li><a href="i386_002dSIMD.html#i386_002dSIMD">i386-SIMD</a>: Intel's MMX and AMD's 3DNow! SIMD Operations
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<li><a href="i386_002dLWP.html#i386_002dLWP">i386-LWP</a>: AMD's Lightweight Profiling Instructions
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<li><a href="i386_002dBMI.html#i386_002dBMI">i386-BMI</a>: Bit Manipulation Instruction
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<li><a href="i386_002dTBM.html#i386_002dTBM">i386-TBM</a>: AMD's Trailing Bit Manipulation Instructions
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<li><a href="i386_002d16bit.html#i386_002d16bit">i386-16bit</a>: Writing 16-bit Code
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<li><a href="i386_002dArch.html#i386_002dArch">i386-Arch</a>: Specifying an x86 CPU architecture
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<li><a href="i386_002dBugs.html#i386_002dBugs">i386-Bugs</a>: AT&T Syntax bugs
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<li><a href="i386_002dNotes.html#i386_002dNotes">i386-Notes</a>: Notes
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</ul>
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</body></html>
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