102 lines
4.5 KiB
HTML
102 lines
4.5 KiB
HTML
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<title>Using the GNU Compiler Collection (GCC): IA-64 Variable Attributes</title>
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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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<a name="IA_002d64-Variable-Attributes-1"></a>
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<h4 class="subsection">6.32.5 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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