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+Next: <a href="m68k-Function-Attributes.html#m68k-Function-Attributes" accesskey="n" rel="next">m68k Function Attributes</a>, Previous: <a href="M32C-Function-Attributes.html#M32C-Function-Attributes" accesskey="p" rel="previous">M32C Function Attributes</a>, Up: <a href="Function-Attributes.html#Function-Attributes" accesskey="u" rel="up">Function Attributes</a> &nbsp; [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Indices.html#Indices" title="Index" rel="index">Index</a>]</p>
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+<a name="M32R_002fD-Function-Attributes-1"></a>
+<h4 class="subsection">6.33.14 M32R/D Function Attributes</h4>
+
+<p>These function attributes are supported by the M32R/D back end:
+</p>
+<dl compact="compact">
+<dd><a name="index-interrupt-function-attribute_002c-M32R_002fD"></a>
+</dd>
+<dt><code>interrupt</code></dt>
+<dd><p>Use this attribute to indicate
+that the specified function is an interrupt handler.  The compiler generates
+function entry and exit sequences suitable for use in an interrupt handler
+when this attribute is present.
+</p>
+<a name="index-model-function-attribute_002c-M32R_002fD"></a>
+<a name="index-function-addressability-on-the-M32R_002fD"></a>
+</dd>
+<dt><code>model (<var>model-name</var>)</code></dt>
+<dd>
+<p>On the M32R/D, use this attribute to set the addressability of an
+object, and of the code generated for a function.  The identifier
+<var>model-name</var> is one of <code>small</code>, <code>medium</code>, or
+<code>large</code>, representing each of the code models.
+</p>
+<p>Small model objects live in the lower 16MB of memory (so that their
+addresses can be loaded with the <code>ld24</code> instruction), and are
+callable with the <code>bl</code> instruction.
+</p>
+<p>Medium model objects may live anywhere in the 32-bit address space (the
+compiler generates <code>seth/add3</code> instructions to load their addresses),
+and are callable with the <code>bl</code> instruction.
+</p>
+<p>Large model objects may live anywhere in the 32-bit address space (the
+compiler generates <code>seth/add3</code> instructions to load their addresses),
+and may not be reachable with the <code>bl</code> instruction (the compiler
+generates the much slower <code>seth/add3/jl</code> instruction sequence).
+</p></dd>
+</dl>
+
+
+
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