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60 lines
2.5 KiB
HTML
60 lines
2.5 KiB
HTML
4 years ago
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<html lang="en">
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<head>
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<title>ARM-Neon-Alignment - 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="ARM-Syntax.html#ARM-Syntax" title="ARM Syntax">
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<link rel="prev" href="ARM_002dRelocations.html#ARM_002dRelocations" title="ARM-Relocations">
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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="ARM-Neon-Alignment"></a>
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<a name="ARM_002dNeon_002dAlignment"></a>
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<p>
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Previous: <a rel="previous" accesskey="p" href="ARM_002dRelocations.html#ARM_002dRelocations">ARM-Relocations</a>,
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Up: <a rel="up" accesskey="u" href="ARM-Syntax.html#ARM-Syntax">ARM Syntax</a>
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<hr>
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</div>
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<h5 class="subsubsection">9.4.2.5 NEON Alignment Specifiers</h5>
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<p><a name="index-alignment-for-NEON-instructions-726"></a>Some NEON load/store instructions allow an optional address
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alignment qualifier.
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The ARM documentation specifies that this is indicated by
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‘<samp><span class="samp">@ </span><var>align</var></samp>’. However GAS already interprets
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the ‘<samp><span class="samp">@</span></samp>’ character as a "line comment" start,
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so ‘<samp><span class="samp">: </span><var>align</var></samp>’ is used instead. For example:
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<pre class="smallexample"> vld1.8 {q0}, [r0, :128]
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</pre>
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</body></html>
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