1<html lang="en"> 2<head> 3<title>ARC Options - Using the GNU Compiler Collection (GCC)</title> 4<meta http-equiv="Content-Type" content="text/html"> 5<meta name="description" content="Using the GNU Compiler Collection (GCC)"> 6<meta name="generator" content="makeinfo 4.13"> 7<link title="Top" rel="start" href="index.html#Top"> 8<link rel="up" href="Submodel-Options.html#Submodel-Options" title="Submodel Options"> 9<link rel="next" href="ARM-Options.html#ARM-Options" title="ARM Options"> 10<link href="http://www.gnu.org/software/texinfo/" rel="generator-home" title="Texinfo Homepage"> 11<!-- 12Copyright (C) 1988, 1989, 1992, 1993, 1994, 1995, 1996, 1997, 131998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 142010 Free Software Foundation, Inc. 15 16Permission is granted to copy, distribute and/or modify this document 17under the terms of the GNU Free Documentation License, Version 1.3 or 18any later version published by the Free Software Foundation; with the 19Invariant Sections being ``Funding Free Software'', the Front-Cover 20Texts being (a) (see below), and with the Back-Cover Texts being (b) 21(see below). A copy of the license is included in the section entitled 22``GNU Free Documentation License''. 23 24(a) The FSF's Front-Cover Text is: 25 26 A GNU Manual 27 28(b) The FSF's Back-Cover Text is: 29 30 You have freedom to copy and modify this GNU Manual, like GNU 31 software. Copies published by the Free Software Foundation raise 32 funds for GNU development.--> 33<meta http-equiv="Content-Style-Type" content="text/css"> 34<style type="text/css"><!-- 35 pre.display { font-family:inherit } 36 pre.format { font-family:inherit } 37 pre.smalldisplay { font-family:inherit; font-size:smaller } 38 pre.smallformat { font-family:inherit; font-size:smaller } 39 pre.smallexample { font-size:smaller } 40 pre.smalllisp { font-size:smaller } 41 span.sc { font-variant:small-caps } 42 span.roman { font-family:serif; font-weight:normal; } 43 span.sansserif { font-family:sans-serif; font-weight:normal; } 44--></style> 45<link rel="stylesheet" type="text/css" href="../cs.css"> 46</head> 47<body> 48<div class="node"> 49<a name="ARC-Options"></a> 50<p> 51Next: <a rel="next" accesskey="n" href="ARM-Options.html#ARM-Options">ARM Options</a>, 52Up: <a rel="up" accesskey="u" href="Submodel-Options.html#Submodel-Options">Submodel Options</a> 53<hr> 54</div> 55 56<h4 class="subsection">3.17.1 ARC Options</h4> 57 58<p><a name="index-ARC-Options-1022"></a> 59These options are defined for ARC implementations: 60 61 <dl> 62<dt><code>-EL</code><dd><a name="index-EL-1023"></a>Compile code for little endian mode. This is the default. 63 64 <br><dt><code>-EB</code><dd><a name="index-EB-1024"></a>Compile code for big endian mode. 65 66 <br><dt><code>-mmangle-cpu</code><dd><a name="index-mmangle_002dcpu-1025"></a>Prepend the name of the CPU to all public symbol names. 67In multiple-processor systems, there are many ARC variants with different 68instruction and register set characteristics. This flag prevents code 69compiled for one CPU to be linked with code compiled for another. 70No facility exists for handling variants that are “almost identical”. 71This is an all or nothing option. 72 73 <br><dt><code>-mcpu=</code><var>cpu</var><dd><a name="index-mcpu-1026"></a>Compile code for ARC variant <var>cpu</var>. 74Which variants are supported depend on the configuration. 75All variants support <samp><span class="option">-mcpu=base</span></samp>, this is the default. 76 77 <br><dt><code>-mtext=</code><var>text-section</var><dt><code>-mdata=</code><var>data-section</var><dt><code>-mrodata=</code><var>readonly-data-section</var><dd><a name="index-mtext-1027"></a><a name="index-mdata-1028"></a><a name="index-mrodata-1029"></a>Put functions, data, and readonly data in <var>text-section</var>, 78<var>data-section</var>, and <var>readonly-data-section</var> respectively 79by default. This can be overridden with the <code>section</code> attribute. 80See <a href="Variable-Attributes.html#Variable-Attributes">Variable Attributes</a>. 81 82 </dl> 83 84 </body></html> 85 86