201 lines
7.2 KiB
HTML
201 lines
7.2 KiB
HTML
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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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<!-- Copyright (C) 1988-2016 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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Texts being (a) (see below), and with the Back-Cover Texts being (b)
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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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software. Copies published by the Free Software Foundation raise
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funds for GNU development. -->
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<!-- Created by GNU Texinfo 5.2, http://www.gnu.org/software/texinfo/ -->
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<head>
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<title>Using the GNU Compiler Collection (GCC): NDS32 Options</title>
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<meta name="description" content="Using the GNU Compiler Collection (GCC): NDS32 Options">
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<meta name="keywords" content="Using the GNU Compiler Collection (GCC): NDS32 Options">
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<meta name="resource-type" content="document">
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<meta name="distribution" content="global">
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<meta name="Generator" content="makeinfo">
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
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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="Submodel-Options.html#Submodel-Options" rel="up" title="Submodel Options">
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<link href="Nios-II-Options.html#Nios-II-Options" rel="next" title="Nios II Options">
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<link href="MSP430-Options.html#MSP430-Options" rel="prev" title="MSP430 Options">
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<style type="text/css">
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a.summary-letter {text-decoration: none}
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div.display {margin-left: 3.2em}
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kbd {font-style:oblique}
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pre.display {font-family: inherit}
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pre.format {font-family: inherit}
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pre.smalllisp {font-size: smaller}
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span.nolinebreak {white-space:nowrap}
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span.roman {font-family:serif; font-weight:normal}
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span.sansserif {font-family:sans-serif; font-weight:normal}
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ul.no-bullet {list-style: none}
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-->
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</style>
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</head>
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<body lang="en" bgcolor="#FFFFFF" text="#000000" link="#0000FF" vlink="#800080" alink="#FF0000">
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<a name="NDS32-Options"></a>
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<div class="header">
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<p>
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Next: <a href="Nios-II-Options.html#Nios-II-Options" accesskey="n" rel="next">Nios II Options</a>, Previous: <a href="MSP430-Options.html#MSP430-Options" accesskey="p" rel="prev">MSP430 Options</a>, Up: <a href="Submodel-Options.html#Submodel-Options" accesskey="u" rel="up">Submodel Options</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="NDS32-Options-1"></a>
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<h4 class="subsection">3.18.31 NDS32 Options</h4>
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<a name="index-NDS32-Options"></a>
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<p>These options are defined for NDS32 implementations:
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</p>
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<dl compact="compact">
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<dt><code>-mbig-endian</code></dt>
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<dd><a name="index-mbig_002dendian-7"></a>
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<p>Generate code in big-endian mode.
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</p>
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</dd>
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<dt><code>-mlittle-endian</code></dt>
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<dd><a name="index-mlittle_002dendian-7"></a>
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<p>Generate code in little-endian mode.
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</p>
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</dd>
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<dt><code>-mreduced-regs</code></dt>
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<dd><a name="index-mreduced_002dregs"></a>
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<p>Use reduced-set registers for register allocation.
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</p>
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</dd>
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<dt><code>-mfull-regs</code></dt>
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<dd><a name="index-mfull_002dregs"></a>
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<p>Use full-set registers for register allocation.
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</p>
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</dd>
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<dt><code>-mcmov</code></dt>
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<dd><a name="index-mcmov"></a>
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<p>Generate conditional move instructions.
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</p>
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</dd>
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<dt><code>-mno-cmov</code></dt>
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<dd><a name="index-mno_002dcmov"></a>
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<p>Do not generate conditional move instructions.
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</p>
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</dd>
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<dt><code>-mperf-ext</code></dt>
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<dd><a name="index-mperf_002dext"></a>
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<p>Generate performance extension instructions.
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</p>
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</dd>
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<dt><code>-mno-perf-ext</code></dt>
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<dd><a name="index-mno_002dperf_002dext"></a>
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<p>Do not generate performance extension instructions.
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</p>
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</dd>
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<dt><code>-mv3push</code></dt>
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<dd><a name="index-mv3push"></a>
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<p>Generate v3 push25/pop25 instructions.
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</p>
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</dd>
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<dt><code>-mno-v3push</code></dt>
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<dd><a name="index-mno_002dv3push"></a>
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<p>Do not generate v3 push25/pop25 instructions.
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</p>
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</dd>
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<dt><code>-m16-bit</code></dt>
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<dd><a name="index-m16_002dbit-1"></a>
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<p>Generate 16-bit instructions.
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</p>
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</dd>
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<dt><code>-mno-16-bit</code></dt>
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<dd><a name="index-mno_002d16_002dbit"></a>
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<p>Do not generate 16-bit instructions.
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</p>
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</dd>
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<dt><code>-misr-vector-size=<var>num</var></code></dt>
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<dd><a name="index-misr_002dvector_002dsize"></a>
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<p>Specify the size of each interrupt vector, which must be 4 or 16.
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</p>
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</dd>
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<dt><code>-mcache-block-size=<var>num</var></code></dt>
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<dd><a name="index-mcache_002dblock_002dsize"></a>
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<p>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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</p>
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</dd>
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<dt><code>-march=<var>arch</var></code></dt>
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<dd><a name="index-march-8"></a>
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<p>Specify the name of the target architecture.
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</p>
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</dd>
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<dt><code>-mcmodel=<var>code-model</var></code></dt>
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<dd><a name="index-mcmodel"></a>
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<p>Set the code model to one of
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</p><dl compact="compact">
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<dt>‘<samp>small</samp>’</dt>
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<dd><p>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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</p></dd>
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<dt>‘<samp>medium</samp>’</dt>
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<dd><p>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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</p></dd>
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<dt>‘<samp>large</samp>’</dt>
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<dd><p>All the text and data segments can be within 4GB addressing space.
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</p></dd>
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</dl>
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</dd>
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<dt><code>-mctor-dtor</code></dt>
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<dd><a name="index-mctor_002ddtor"></a>
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<p>Enable constructor/destructor feature.
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</p>
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</dd>
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<dt><code>-mrelax</code></dt>
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<dd><a name="index-mrelax-4"></a>
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<p>Guide linker to relax instructions.
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</p>
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</dd>
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</dl>
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<hr>
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<div class="header">
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<p>
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Next: <a href="Nios-II-Options.html#Nios-II-Options" accesskey="n" rel="next">Nios II Options</a>, Previous: <a href="MSP430-Options.html#MSP430-Options" accesskey="p" rel="prev">MSP430 Options</a>, Up: <a href="Submodel-Options.html#Submodel-Options" accesskey="u" rel="up">Submodel Options</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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</body>
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</html>
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