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<div class="subsection-level-extent" id="NDS32-Options"> <div class="nav-panel"> <p> Next: <a href="nios-ii-options" accesskey="n" rel="next">Nios II Options</a>, Previous: <a href="msp430-options" accesskey="p" rel="prev">MSP430 Options</a>, Up: <a href="submodel-options" accesskey="u" rel="up">Machine-Dependent Options</a> [<a href="index#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="indices" title="Index" rel="index">Index</a>]</p> </div> <h1 class="subsection" id="NDS32-Options-1"><span>3.19.33 NDS32 Options<a class="copiable-link" href="#NDS32-Options-1"> ¶</a></span></h1> <p>These options are defined for NDS32 implementations: </p> <dl class="table"> <dt>
<span><code class="code">-mbig-endian</code><a class="copiable-link" href="#index-mbig-endian-9"> ¶</a></span>
</dt> <dd>
<p>Generate code in big-endian mode. </p> </dd> <dt>
<span><code class="code">-mlittle-endian</code><a class="copiable-link" href="#index-mlittle-endian-9"> ¶</a></span>
</dt> <dd>
<p>Generate code in little-endian mode. </p> </dd> <dt>
<span><code class="code">-mreduced-regs</code><a class="copiable-link" href="#index-mreduced-regs"> ¶</a></span>
</dt> <dd>
<p>Use reduced-set registers for register allocation. </p> </dd> <dt>
<span><code class="code">-mfull-regs</code><a class="copiable-link" href="#index-mfull-regs"> ¶</a></span>
</dt> <dd>
<p>Use full-set registers for register allocation. </p> </dd> <dt>
<span><code class="code">-mcmov</code><a class="copiable-link" href="#index-mcmov"> ¶</a></span>
</dt> <dd>
<p>Generate conditional move instructions. </p> </dd> <dt>
<span><code class="code">-mno-cmov</code><a class="copiable-link" href="#index-mno-cmov"> ¶</a></span>
</dt> <dd>
<p>Do not generate conditional move instructions. </p> </dd> <dt>
<span><code class="code">-mext-perf</code><a class="copiable-link" href="#index-mext-perf"> ¶</a></span>
</dt> <dd>
<p>Generate performance extension instructions. </p> </dd> <dt>
<span><code class="code">-mno-ext-perf</code><a class="copiable-link" href="#index-mno-ext-perf"> ¶</a></span>
</dt> <dd>
<p>Do not generate performance extension instructions. </p> </dd> <dt>
<span><code class="code">-mext-perf2</code><a class="copiable-link" href="#index-mext-perf2"> ¶</a></span>
</dt> <dd>
<p>Generate performance extension 2 instructions. </p> </dd> <dt>
<span><code class="code">-mno-ext-perf2</code><a class="copiable-link" href="#index-mno-ext-perf2"> ¶</a></span>
</dt> <dd>
<p>Do not generate performance extension 2 instructions. </p> </dd> <dt>
<span><code class="code">-mext-string</code><a class="copiable-link" href="#index-mext-string"> ¶</a></span>
</dt> <dd>
<p>Generate string extension instructions. </p> </dd> <dt>
<span><code class="code">-mno-ext-string</code><a class="copiable-link" href="#index-mno-ext-string"> ¶</a></span>
</dt> <dd>
<p>Do not generate string extension instructions. </p> </dd> <dt>
<span><code class="code">-mv3push</code><a class="copiable-link" href="#index-mv3push"> ¶</a></span>
</dt> <dd>
<p>Generate v3 push25/pop25 instructions. </p> </dd> <dt>
<span><code class="code">-mno-v3push</code><a class="copiable-link" href="#index-mno-v3push"> ¶</a></span>
</dt> <dd>
<p>Do not generate v3 push25/pop25 instructions. </p> </dd> <dt>
<span><code class="code">-m16-bit</code><a class="copiable-link" href="#index-m16-bit-1"> ¶</a></span>
</dt> <dd>
<p>Generate 16-bit instructions. </p> </dd> <dt>
<span><code class="code">-mno-16-bit</code><a class="copiable-link" href="#index-mno-16-bit"> ¶</a></span>
</dt> <dd>
<p>Do not generate 16-bit instructions. </p> </dd> <dt>
<span><code class="code">-misr-vector-size=<var class="var">num</var></code><a class="copiable-link" href="#index-misr-vector-size"> ¶</a></span>
</dt> <dd>
<p>Specify the size of each interrupt vector, which must be 4 or 16. </p> </dd> <dt>
<span><code class="code">-mcache-block-size=<var class="var">num</var></code><a class="copiable-link" href="#index-mcache-block-size"> ¶</a></span>
</dt> <dd>
<p>Specify the size of each cache block, which must be a power of 2 between 4 and 512. </p> </dd> <dt>
<span><code class="code">-march=<var class="var">arch</var></code><a class="copiable-link" href="#index-march-10"> ¶</a></span>
</dt> <dd>
<p>Specify the name of the target architecture. </p> </dd> <dt>
<span><code class="code">-mcmodel=<var class="var">code-model</var></code><a class="copiable-link" href="#index-mcmodel"> ¶</a></span>
</dt> <dd>
<p>Set the code model to one of </p>
<dl class="table"> <dt>‘<samp class="samp">small</samp>’</dt> <dd><p>All the data and read-only data segments must be within 512KB addressing space. The text segment must be within 16MB addressing space. </p></dd> <dt>‘<samp class="samp">medium</samp>’</dt> <dd><p>The data segment must be within 512KB while the read-only data segment can be within 4GB addressing space. The text segment should be still within 16MB addressing space. </p></dd> <dt>‘<samp class="samp">large</samp>’</dt> <dd><p>All the text and data segments can be within 4GB addressing space. </p></dd> </dl> </dd> <dt>
<span><code class="code">-mctor-dtor</code><a class="copiable-link" href="#index-mctor-dtor"> ¶</a></span>
</dt> <dd>
<p>Enable constructor/destructor feature. </p> </dd> <dt>
<span><code class="code">-mrelax</code><a class="copiable-link" href="#index-mrelax-4"> ¶</a></span>
</dt> <dd>
<p>Guide linker to relax instructions. </p> </dd> </dl> </div> <div class="nav-panel"> <p> Next: <a href="nios-ii-options">Nios II Options</a>, Previous: <a href="msp430-options">MSP430 Options</a>, Up: <a href="submodel-options">Machine-Dependent Options</a> [<a href="index#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="indices" title="Index" rel="index">Index</a>]</p> </div><div class="_attribution">
<p class="_attribution-p">
© Free Software Foundation<br>Licensed under the GNU Free Documentation License, Version 1.3.<br>
<a href="https://gcc.gnu.org/onlinedocs/gcc-13.1.0/gcc/NDS32-Options.html" class="_attribution-link">https://gcc.gnu.org/onlinedocs/gcc-13.1.0/gcc/NDS32-Options.html</a>
</p>
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