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86 lines
3.1 KiB
HTML
86 lines
3.1 KiB
HTML
4 years ago
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<html lang="en">
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<head>
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<title>TILEPro Registers - Using as</title>
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<meta http-equiv="Content-Type" content="text/html">
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<meta name="description" content="Using as">
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<meta name="generator" content="makeinfo 4.13">
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<link title="Top" rel="start" href="index.html#Top">
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<link rel="up" href="TILEPro-Syntax.html#TILEPro-Syntax" title="TILEPro Syntax">
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<link rel="prev" href="TILEPro-Opcodes.html#TILEPro-Opcodes" title="TILEPro Opcodes">
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<link rel="next" href="TILEPro-Modifiers.html#TILEPro-Modifiers" title="TILEPro Modifiers">
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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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-->
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<meta http-equiv="Content-Style-Type" content="text/css">
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<style type="text/css"><!--
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pre.display { font-family:inherit }
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pre.format { font-family:inherit }
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pre.smalldisplay { font-family:inherit; font-size:smaller }
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pre.smallformat { font-family:inherit; font-size:smaller }
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pre.smallexample { font-size:smaller }
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pre.smalllisp { font-size:smaller }
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span.sc { font-variant:small-caps }
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span.roman { font-family:serif; font-weight:normal; }
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span.sansserif { font-family:sans-serif; font-weight:normal; }
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--></style>
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</head>
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<body>
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<div class="node">
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<a name="TILEPro-Registers"></a>
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<p>
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Next: <a rel="next" accesskey="n" href="TILEPro-Modifiers.html#TILEPro-Modifiers">TILEPro Modifiers</a>,
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Previous: <a rel="previous" accesskey="p" href="TILEPro-Opcodes.html#TILEPro-Opcodes">TILEPro Opcodes</a>,
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Up: <a rel="up" accesskey="u" href="TILEPro-Syntax.html#TILEPro-Syntax">TILEPro Syntax</a>
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<hr>
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</div>
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<h5 class="subsubsection">9.46.2.2 Register Names</h5>
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<p><a name="index-TILEPro-register-names-2245"></a><a name="index-register-names_002c-TILEPro-2246"></a>
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General-purpose registers are represented by predefined symbols of the
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form ‘<samp><span class="samp">r</span><var>N</var></samp>’, where <var>N</var> represents a number between
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<code>0</code> and <code>63</code>. However, the following registers have
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canonical names that must be used instead:
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<dl>
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<dt><code>r54</code><dd>sp
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<br><dt><code>r55</code><dd>lr
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<br><dt><code>r56</code><dd>sn
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<br><dt><code>r57</code><dd>idn0
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<br><dt><code>r58</code><dd>idn1
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<br><dt><code>r59</code><dd>udn0
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<br><dt><code>r60</code><dd>udn1
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<br><dt><code>r61</code><dd>udn2
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<br><dt><code>r62</code><dd>udn3
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<br><dt><code>r63</code><dd>zero
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</dl>
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<p>The assembler will emit a warning if a numeric name is used instead of
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the canonical name. The <code>.no_require_canonical_reg_names</code>
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assembler pseudo-op turns off this
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warning. <code>.require_canonical_reg_names</code> turns it back on.
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</body></html>
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