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| author | alk3pInjection <webmaster@raspii.tech> | 2024-02-04 16:16:35 +0800 |
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| committer | alk3pInjection <webmaster@raspii.tech> | 2024-02-04 16:16:35 +0800 |
| commit | abdaadbcae30fe0c9a66c7516798279fdfd97750 (patch) | |
| tree | 00a54a6e25601e43876d03c1a4a12a749d4a914c /share/doc/gcc/RX-Built_002din-Functions.html | |
https://developer.arm.com/downloads/-/arm-gnu-toolchain-downloads
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diff --git a/share/doc/gcc/RX-Built_002din-Functions.html b/share/doc/gcc/RX-Built_002din-Functions.html new file mode 100644 index 0000000..3ee9d22 --- /dev/null +++ b/share/doc/gcc/RX-Built_002din-Functions.html @@ -0,0 +1,224 @@ +<!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): RX Built-in Functions</title> + +<meta name="description" content="Using the GNU Compiler Collection (GCC): RX Built-in Functions"> +<meta name="keywords" content="Using the GNU Compiler Collection (GCC): RX Built-in Functions"> +<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="Target-Builtins.html#Target-Builtins" rel="up" title="Target Builtins"> +<link href="S_002f390-System-z-Built_002din-Functions.html#S_002f390-System-z-Built_002din-Functions" rel="next" title="S/390 System z Built-in Functions"> +<link href="RISC_002dV-Vector-Intrinsics.html#RISC_002dV-Vector-Intrinsics" rel="previous" title="RISC-V Vector Intrinsics"> +<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="RX-Built_002din-Functions"></a> +<div class="header"> +<p> +Next: <a href="S_002f390-System-z-Built_002din-Functions.html#S_002f390-System-z-Built_002din-Functions" accesskey="n" rel="next">S/390 System z Built-in Functions</a>, Previous: <a href="RISC_002dV-Vector-Intrinsics.html#RISC_002dV-Vector-Intrinsics" accesskey="p" rel="previous">RISC-V Vector Intrinsics</a>, Up: <a href="Target-Builtins.html#Target-Builtins" accesskey="u" rel="up">Target Builtins</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="RX-Built_002din-Functions-1"></a> +<h4 class="subsection">6.60.30 RX Built-in Functions</h4> +<p>GCC supports some of the RX instructions which cannot be expressed in +the C programming language via the use of built-in functions. The +following functions are supported: +</p> +<dl> +<dt><a name="index-_005f_005fbuiltin_005frx_005fbrk"></a>Built-in Function: <em>void</em> <strong>__builtin_rx_brk</strong> <em>(void)</em></dt> +<dd><p>Generates the <code>brk</code> machine instruction. +</p></dd></dl> + +<dl> +<dt><a name="index-_005f_005fbuiltin_005frx_005fclrpsw"></a>Built-in Function: <em>void</em> <strong>__builtin_rx_clrpsw</strong> <em>(int)</em></dt> +<dd><p>Generates the <code>clrpsw</code> machine instruction to clear the specified +bit in the processor status word. +</p></dd></dl> + +<dl> +<dt><a name="index-_005f_005fbuiltin_005frx_005fint"></a>Built-in Function: <em>void</em> <strong>__builtin_rx_int</strong> <em>(int)</em></dt> +<dd><p>Generates the <code>int</code> machine instruction to generate an interrupt +with the specified value. +</p></dd></dl> + +<dl> +<dt><a name="index-_005f_005fbuiltin_005frx_005fmachi"></a>Built-in Function: <em>void</em> <strong>__builtin_rx_machi</strong> <em>(int, int)</em></dt> +<dd><p>Generates the <code>machi</code> machine instruction to add the result of +multiplying the top 16 bits of the two arguments into the +accumulator. +</p></dd></dl> + +<dl> +<dt><a name="index-_005f_005fbuiltin_005frx_005fmaclo"></a>Built-in Function: <em>void</em> <strong>__builtin_rx_maclo</strong> <em>(int, int)</em></dt> +<dd><p>Generates the <code>maclo</code> machine instruction to add the result of +multiplying the bottom 16 bits of the two arguments into the +accumulator. +</p></dd></dl> + +<dl> +<dt><a name="index-_005f_005fbuiltin_005frx_005fmulhi"></a>Built-in Function: <em>void</em> <strong>__builtin_rx_mulhi</strong> <em>(int, int)</em></dt> +<dd><p>Generates the <code>mulhi</code> machine instruction to place the result of +multiplying the top 16 bits of the two arguments into the +accumulator. +</p></dd></dl> + +<dl> +<dt><a name="index-_005f_005fbuiltin_005frx_005fmullo"></a>Built-in Function: <em>void</em> <strong>__builtin_rx_mullo</strong> <em>(int, int)</em></dt> +<dd><p>Generates the <code>mullo</code> machine instruction to place the result of +multiplying the bottom 16 bits of the two arguments into the +accumulator. +</p></dd></dl> + +<dl> +<dt><a name="index-_005f_005fbuiltin_005frx_005fmvfachi"></a>Built-in Function: <em>int</em> <strong>__builtin_rx_mvfachi</strong> <em>(void)</em></dt> +<dd><p>Generates the <code>mvfachi</code> machine instruction to read the top +32 bits of the accumulator. +</p></dd></dl> + +<dl> +<dt><a name="index-_005f_005fbuiltin_005frx_005fmvfacmi"></a>Built-in Function: <em>int</em> <strong>__builtin_rx_mvfacmi</strong> <em>(void)</em></dt> +<dd><p>Generates the <code>mvfacmi</code> machine instruction to read the middle +32 bits of the accumulator. +</p></dd></dl> + +<dl> +<dt><a name="index-_005f_005fbuiltin_005frx_005fmvfc"></a>Built-in Function: <em>int</em> <strong>__builtin_rx_mvfc</strong> <em>(int)</em></dt> +<dd><p>Generates the <code>mvfc</code> machine instruction which reads the control +register specified in its argument and returns its value. +</p></dd></dl> + +<dl> +<dt><a name="index-_005f_005fbuiltin_005frx_005fmvtachi"></a>Built-in Function: <em>void</em> <strong>__builtin_rx_mvtachi</strong> <em>(int)</em></dt> +<dd><p>Generates the <code>mvtachi</code> machine instruction to set the top +32 bits of the accumulator. +</p></dd></dl> + +<dl> +<dt><a name="index-_005f_005fbuiltin_005frx_005fmvtaclo"></a>Built-in Function: <em>void</em> <strong>__builtin_rx_mvtaclo</strong> <em>(int)</em></dt> +<dd><p>Generates the <code>mvtaclo</code> machine instruction to set the bottom +32 bits of the accumulator. +</p></dd></dl> + +<dl> +<dt><a name="index-_005f_005fbuiltin_005frx_005fmvtc"></a>Built-in Function: <em>void</em> <strong>__builtin_rx_mvtc</strong> <em>(int reg, int val)</em></dt> +<dd><p>Generates the <code>mvtc</code> machine instruction which sets control +register number <code>reg</code> to <code>val</code>. +</p></dd></dl> + +<dl> +<dt><a name="index-_005f_005fbuiltin_005frx_005fmvtipl"></a>Built-in Function: <em>void</em> <strong>__builtin_rx_mvtipl</strong> <em>(int)</em></dt> +<dd><p>Generates the <code>mvtipl</code> machine instruction set the interrupt +priority level. +</p></dd></dl> + +<dl> +<dt><a name="index-_005f_005fbuiltin_005frx_005fracw"></a>Built-in Function: <em>void</em> <strong>__builtin_rx_racw</strong> <em>(int)</em></dt> +<dd><p>Generates the <code>racw</code> machine instruction to round the accumulator +according to the specified mode. +</p></dd></dl> + +<dl> +<dt><a name="index-_005f_005fbuiltin_005frx_005frevw"></a>Built-in Function: <em>int</em> <strong>__builtin_rx_revw</strong> <em>(int)</em></dt> +<dd><p>Generates the <code>revw</code> machine instruction which swaps the bytes in +the argument so that bits 0–7 now occupy bits 8–15 and vice versa, +and also bits 16–23 occupy bits 24–31 and vice versa. +</p></dd></dl> + +<dl> +<dt><a name="index-_005f_005fbuiltin_005frx_005frmpa"></a>Built-in Function: <em>void</em> <strong>__builtin_rx_rmpa</strong> <em>(void)</em></dt> +<dd><p>Generates the <code>rmpa</code> machine instruction which initiates a +repeated multiply and accumulate sequence. +</p></dd></dl> + +<dl> +<dt><a name="index-_005f_005fbuiltin_005frx_005fround"></a>Built-in Function: <em>void</em> <strong>__builtin_rx_round</strong> <em>(float)</em></dt> +<dd><p>Generates the <code>round</code> machine instruction which returns the +floating-point argument rounded according to the current rounding mode +set in the floating-point status word register. +</p></dd></dl> + +<dl> +<dt><a name="index-_005f_005fbuiltin_005frx_005fsat"></a>Built-in Function: <em>int</em> <strong>__builtin_rx_sat</strong> <em>(int)</em></dt> +<dd><p>Generates the <code>sat</code> machine instruction which returns the +saturated value of the argument. +</p></dd></dl> + +<dl> +<dt><a name="index-_005f_005fbuiltin_005frx_005fsetpsw"></a>Built-in Function: <em>void</em> <strong>__builtin_rx_setpsw</strong> <em>(int)</em></dt> +<dd><p>Generates the <code>setpsw</code> machine instruction to set the specified +bit in the processor status word. +</p></dd></dl> + +<dl> +<dt><a name="index-_005f_005fbuiltin_005frx_005fwait"></a>Built-in Function: <em>void</em> <strong>__builtin_rx_wait</strong> <em>(void)</em></dt> +<dd><p>Generates the <code>wait</code> machine instruction. +</p></dd></dl> + +<hr> +<div class="header"> +<p> +Next: <a href="S_002f390-System-z-Built_002din-Functions.html#S_002f390-System-z-Built_002din-Functions" accesskey="n" rel="next">S/390 System z Built-in Functions</a>, Previous: <a href="RISC_002dV-Vector-Intrinsics.html#RISC_002dV-Vector-Intrinsics" accesskey="p" rel="previous">RISC-V Vector Intrinsics</a>, Up: <a href="Target-Builtins.html#Target-Builtins" accesskey="u" rel="up">Target Builtins</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> + + + +</body> +</html> |