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110 lines
5.4 KiB
HTML
110 lines
5.4 KiB
HTML
4 years ago
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<html lang="en">
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<head>
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<title>NDS32 Options - Using the GNU Compiler Collection (GCC)</title>
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<meta http-equiv="Content-Type" content="text/html">
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<meta name="description" content="Using the GNU Compiler Collection (GCC)">
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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="Submodel-Options.html#Submodel-Options" title="Submodel Options">
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<link rel="prev" href="MSP430-Options.html#MSP430-Options" title="MSP430 Options">
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<link rel="next" href="Nios-II-Options.html#Nios-II-Options" title="Nios II Options">
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Copyright (C) 1988-2015 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 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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You have freedom to copy and modify this GNU Manual, like GNU
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</head>
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<body>
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<div class="node">
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<a name="NDS32-Options"></a>
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<p>
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Next: <a rel="next" accesskey="n" href="Nios-II-Options.html#Nios-II-Options">Nios II Options</a>,
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Previous: <a rel="previous" accesskey="p" href="MSP430-Options.html#MSP430-Options">MSP430 Options</a>,
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Up: <a rel="up" accesskey="u" href="Submodel-Options.html#Submodel-Options">Submodel Options</a>
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<hr>
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</div>
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<h4 class="subsection">3.17.30 NDS32 Options</h4>
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<p><a name="index-NDS32-Options-2116"></a>
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These options are defined for NDS32 implementations:
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<dl>
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<dt><code>-mbig-endian</code><dd><a name="index-mbig_002dendian-2117"></a>Generate code in big-endian mode.
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<br><dt><code>-mlittle-endian</code><dd><a name="index-mlittle_002dendian-2118"></a>Generate code in little-endian mode.
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<br><dt><code>-mreduced-regs</code><dd><a name="index-mreduced_002dregs-2119"></a>Use reduced-set registers for register allocation.
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<br><dt><code>-mfull-regs</code><dd><a name="index-mfull_002dregs-2120"></a>Use full-set registers for register allocation.
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<br><dt><code>-mcmov</code><dd><a name="index-mcmov-2121"></a>Generate conditional move instructions.
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<br><dt><code>-mno-cmov</code><dd><a name="index-mno_002dcmov-2122"></a>Do not generate conditional move instructions.
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<br><dt><code>-mperf-ext</code><dd><a name="index-mperf_002dext-2123"></a>Generate performance extension instructions.
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<br><dt><code>-mno-perf-ext</code><dd><a name="index-mno_002dperf_002dext-2124"></a>Do not generate performance extension instructions.
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<br><dt><code>-mv3push</code><dd><a name="index-mv3push-2125"></a>Generate v3 push25/pop25 instructions.
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<br><dt><code>-mno-v3push</code><dd><a name="index-mno_002dv3push-2126"></a>Do not generate v3 push25/pop25 instructions.
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<br><dt><code>-m16-bit</code><dd><a name="index-m16_002dbit-2127"></a>Generate 16-bit instructions.
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<br><dt><code>-mno-16-bit</code><dd><a name="index-mno_002d16_002dbit-2128"></a>Do not generate 16-bit instructions.
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<br><dt><code>-misr-vector-size=</code><var>num</var><dd><a name="index-misr_002dvector_002dsize-2129"></a>Specify the size of each interrupt vector, which must be 4 or 16.
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<br><dt><code>-mcache-block-size=</code><var>num</var><dd><a name="index-mcache_002dblock_002dsize-2130"></a>Specify the size of each cache block,
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which must be a power of 2 between 4 and 512.
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<br><dt><code>-march=</code><var>arch</var><dd><a name="index-march-2131"></a>Specify the name of the target architecture.
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<br><dt><code>-mcmodel=</code><var>code-model</var><dd><a name="index-mcmodel-2132"></a>Set the code model to one of
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<dl>
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<dt>‘<samp><span class="samp">small</span></samp>’<dd>All the data and read-only data segments must be within 512KB addressing space.
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The text segment must be within 16MB addressing space.
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<br><dt>‘<samp><span class="samp">medium</span></samp>’<dd>The data segment must be within 512KB while the read-only data segment can be
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within 4GB addressing space. The text segment should be still within 16MB
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addressing space.
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<br><dt>‘<samp><span class="samp">large</span></samp>’<dd>All the text and data segments can be within 4GB addressing space.
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</dl>
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<br><dt><code>-mctor-dtor</code><dd><a name="index-mctor_002ddtor-2133"></a>Enable constructor/destructor feature.
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<br><dt><code>-mrelax</code><dd><a name="index-mrelax-2134"></a>Guide linker to relax instructions.
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</dl>
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</body></html>
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