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61 lines
2.8 KiB
HTML
61 lines
2.8 KiB
HTML
<html lang="en">
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<head>
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<title>Alpha-Regs - Using as</title>
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<meta name="description" content="Using as">
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<link title="Top" rel="start" href="index.html#Top">
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<link rel="up" href="Alpha-Syntax.html#Alpha-Syntax" title="Alpha Syntax">
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<link rel="prev" href="Alpha_002dChars.html#Alpha_002dChars" title="Alpha-Chars">
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<link rel="next" href="Alpha_002dRelocs.html#Alpha_002dRelocs" title="Alpha-Relocs">
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<link href="http://www.gnu.org/software/texinfo/" rel="generator-home" title="Texinfo Homepage">
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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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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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</head>
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<body>
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<div class="node">
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<a name="Alpha-Regs"></a>
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<a name="Alpha_002dRegs"></a>
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<p>
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Next: <a rel="next" accesskey="n" href="Alpha_002dRelocs.html#Alpha_002dRelocs">Alpha-Relocs</a>,
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Previous: <a rel="previous" accesskey="p" href="Alpha_002dChars.html#Alpha_002dChars">Alpha-Chars</a>,
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Up: <a rel="up" accesskey="u" href="Alpha-Syntax.html#Alpha-Syntax">Alpha Syntax</a>
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<hr>
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</div>
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<h5 class="subsubsection">9.2.3.2 Register Names</h5>
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<p><a name="index-Alpha-registers-583"></a><a name="index-register-names_002c-Alpha-584"></a>
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The 32 integer registers are referred to as ‘<samp><span class="samp">$</span><var>n</var></samp>’ or
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‘<samp><span class="samp">$r</span><var>n</var></samp>’. In addition, registers 15, 28, 29, and 30 may
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be referred to by the symbols ‘<samp><span class="samp">$fp</span></samp>’, ‘<samp><span class="samp">$at</span></samp>’, ‘<samp><span class="samp">$gp</span></samp>’,
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and ‘<samp><span class="samp">$sp</span></samp>’ respectively.
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<p>The 32 floating-point registers are referred to as ‘<samp><span class="samp">$f</span><var>n</var></samp>’.
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</body></html>
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