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101 lines
4.4 KiB
HTML
101 lines
4.4 KiB
HTML
4 years ago
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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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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 or
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any later version published by the Free Software Foundation; with the
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Invariant Sections being "Funding Free Software", the Front-Cover
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(see below). A copy of the license is included in the section entitled
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"GNU Free Documentation License".
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(a) The FSF's Front-Cover Text is:
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A GNU Manual
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(b) The FSF's Back-Cover Text is:
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funds for GNU development. -->
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<!-- Created by GNU Texinfo 6.4, http://www.gnu.org/software/texinfo/ -->
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<head>
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<title>IA-64 Variable Attributes (Using the GNU Compiler Collection (GCC))</title>
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<meta name="description" content="IA-64 Variable Attributes (Using the GNU Compiler Collection (GCC))">
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<meta name="keywords" content="IA-64 Variable Attributes (Using the GNU Compiler Collection (GCC))">
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<link href="index.html#Top" rel="start" title="Top">
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<link href="Option-Index.html#Option-Index" rel="index" title="Option Index">
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<link href="index.html#SEC_Contents" rel="contents" title="Table of Contents">
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<link href="Variable-Attributes.html#Variable-Attributes" rel="up" title="Variable Attributes">
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<link href="M32R_002fD-Variable-Attributes.html#M32R_002fD-Variable-Attributes" rel="next" title="M32R/D Variable Attributes">
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<link href="H8_002f300-Variable-Attributes.html#H8_002f300-Variable-Attributes" rel="prev" title="H8/300 Variable Attributes">
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</head>
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<body lang="en">
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<a name="IA_002d64-Variable-Attributes"></a>
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<div class="header">
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<p>
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Next: <a href="M32R_002fD-Variable-Attributes.html#M32R_002fD-Variable-Attributes" accesskey="n" rel="next">M32R/D Variable Attributes</a>, Previous: <a href="H8_002f300-Variable-Attributes.html#H8_002f300-Variable-Attributes" accesskey="p" rel="prev">H8/300 Variable Attributes</a>, Up: <a href="Variable-Attributes.html#Variable-Attributes" accesskey="u" rel="up">Variable Attributes</a> [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Option-Index.html#Option-Index" title="Index" rel="index">Index</a>]</p>
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</div>
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<hr>
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<a name="IA_002d64-Variable-Attributes-1"></a>
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<h4 class="subsection">6.32.6 IA-64 Variable Attributes</h4>
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<p>The IA-64 back end supports the following variable attribute:
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</p>
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<dl compact="compact">
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<dt><code>model (<var>model-name</var>)</code></dt>
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<dd><a name="index-model-variable-attribute_002c-IA_002d64"></a>
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<p>On IA-64, use this attribute to set the addressability of an object.
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At present, the only supported identifier for <var>model-name</var> is
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<code>small</code>, indicating addressability via “small” (22-bit)
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addresses (so that their addresses can be loaded with the <code>addl</code>
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instruction). Caveat: such addressing is by definition not position
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independent and hence this attribute must not be used for objects
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defined by shared libraries.
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</p>
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</dd>
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</dl>
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</body>
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</html>
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