diff options
Diffstat (limited to 'share/doc/gcc/Nios-II-Function-Attributes.html')
| -rw-r--r-- | share/doc/gcc/Nios-II-Function-Attributes.html | 124 |
1 files changed, 124 insertions, 0 deletions
diff --git a/share/doc/gcc/Nios-II-Function-Attributes.html b/share/doc/gcc/Nios-II-Function-Attributes.html new file mode 100644 index 0000000..41e2515 --- /dev/null +++ b/share/doc/gcc/Nios-II-Function-Attributes.html @@ -0,0 +1,124 @@ +<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> +<html> +<!-- This file documents the use of the GNU compilers. + +Copyright (C) 1988-2023 Free Software Foundation, Inc. + +Permission is granted to copy, distribute and/or modify this document +under the terms of the GNU Free Documentation License, Version 1.3 or +any later version published by the Free Software Foundation; with the +Invariant Sections being "Funding Free Software", the Front-Cover +Texts being (a) (see below), and with the Back-Cover Texts being (b) +(see below). A copy of the license is included in the section entitled +"GNU Free Documentation License". + +(a) The FSF's Front-Cover Text is: + +A GNU Manual + +(b) The FSF's Back-Cover Text is: + +You have freedom to copy and modify this GNU Manual, like GNU + software. Copies published by the Free Software Foundation raise + funds for GNU development. --> +<!-- Created by GNU Texinfo 5.1, http://www.gnu.org/software/texinfo/ --> +<head> +<title>Using the GNU Compiler Collection (GCC): Nios II Function Attributes</title> + +<meta name="description" content="Using the GNU Compiler Collection (GCC): Nios II Function Attributes"> +<meta name="keywords" content="Using the GNU Compiler Collection (GCC): Nios II Function Attributes"> +<meta name="resource-type" content="document"> +<meta name="distribution" content="global"> +<meta name="Generator" content="makeinfo"> +<meta http-equiv="Content-Type" content="text/html; charset=utf-8"> +<link href="index.html#Top" rel="start" title="Top"> +<link href="Indices.html#Indices" rel="index" title="Indices"> +<link href="index.html#SEC_Contents" rel="contents" title="Table of Contents"> +<link href="Function-Attributes.html#Function-Attributes" rel="up" title="Function Attributes"> +<link href="Nvidia-PTX-Function-Attributes.html#Nvidia-PTX-Function-Attributes" rel="next" title="Nvidia PTX Function Attributes"> +<link href="NDS32-Function-Attributes.html#NDS32-Function-Attributes" rel="previous" title="NDS32 Function Attributes"> +<style type="text/css"> +<!-- +a.summary-letter {text-decoration: none} +blockquote.smallquotation {font-size: smaller} +div.display {margin-left: 3.2em} +div.example {margin-left: 3.2em} +div.indentedblock {margin-left: 3.2em} +div.lisp {margin-left: 3.2em} +div.smalldisplay {margin-left: 3.2em} +div.smallexample {margin-left: 3.2em} +div.smallindentedblock {margin-left: 3.2em; font-size: smaller} +div.smalllisp {margin-left: 3.2em} +kbd {font-style:oblique} +pre.display {font-family: inherit} +pre.format {font-family: inherit} +pre.menu-comment {font-family: serif} +pre.menu-preformatted {font-family: serif} +pre.smalldisplay {font-family: inherit; font-size: smaller} +pre.smallexample {font-size: smaller} +pre.smallformat {font-family: inherit; font-size: smaller} +pre.smalllisp {font-size: smaller} +span.nocodebreak {white-space:nowrap} +span.nolinebreak {white-space:nowrap} +span.roman {font-family:serif; font-weight:normal} +span.sansserif {font-family:sans-serif; font-weight:normal} +ul.no-bullet {list-style: none} +--> +</style> + + +</head> + +<body lang="en_US" bgcolor="#FFFFFF" text="#000000" link="#0000FF" vlink="#800080" alink="#FF0000"> +<a name="Nios-II-Function-Attributes"></a> +<div class="header"> +<p> +Next: <a href="Nvidia-PTX-Function-Attributes.html#Nvidia-PTX-Function-Attributes" accesskey="n" rel="next">Nvidia PTX Function Attributes</a>, Previous: <a href="NDS32-Function-Attributes.html#NDS32-Function-Attributes" accesskey="p" rel="previous">NDS32 Function Attributes</a>, Up: <a href="Function-Attributes.html#Function-Attributes" accesskey="u" rel="up">Function Attributes</a> [<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> +</div> +<hr> +<a name="Nios-II-Function-Attributes-1"></a> +<h4 class="subsection">6.33.22 Nios II Function Attributes</h4> + +<p>These function attributes are supported by the Nios II back end: +</p> +<dl compact="compact"> +<dd><a name="index-target-function-attribute-2"></a> +</dd> +<dt><code>target (<var>options</var>)</code></dt> +<dd><p>As discussed in <a href="Common-Function-Attributes.html#Common-Function-Attributes">Common Function Attributes</a>, this attribute +allows specification of target-specific compilation options. +</p> +<p>When compiling for Nios II, the following options are allowed: +</p> +<dl compact="compact"> +<dd><a name="index-target_0028_0022custom_002dinsn_003dN_0022_0029-function-attribute_002c-Nios-II"></a> +<a name="index-target_0028_0022no_002dcustom_002dinsn_0022_0029-function-attribute_002c-Nios-II"></a> +</dd> +<dt>‘<samp>custom-<var>insn</var>=<var>N</var></samp>’</dt> +<dt>‘<samp>no-custom-<var>insn</var></samp>’</dt> +<dd><p>Each ‘<samp>custom-<var>insn</var>=<var>N</var></samp>’ attribute locally enables use of a +custom instruction with encoding <var>N</var> when generating code that uses +<var>insn</var>. Similarly, ‘<samp>no-custom-<var>insn</var></samp>’ locally inhibits use of +the custom instruction <var>insn</var>. +These target attributes correspond to the +<samp>-mcustom-<var>insn</var>=<var>N</var></samp> and <samp>-mno-custom-<var>insn</var></samp> +command-line options, and support the same set of <var>insn</var> keywords. +See <a href="Nios-II-Options.html#Nios-II-Options">Nios II Options</a>, for more information. +</p> +<a name="index-target_0028_0022custom_002dfpu_002dcfg_003dname_0022_0029-function-attribute_002c-Nios-II"></a> +</dd> +<dt>‘<samp>custom-fpu-cfg=<var>name</var></samp>’</dt> +<dd><p>This attribute corresponds to the <samp>-mcustom-fpu-cfg=<var>name</var></samp> +command-line option, to select a predefined set of custom instructions +named <var>name</var>. +See <a href="Nios-II-Options.html#Nios-II-Options">Nios II Options</a>, for more information. +</p></dd> +</dl> +</dd> +</dl> + + + + +</body> +</html> |