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142 lines
6.0 KiB
HTML
142 lines
6.0 KiB
HTML
4 years ago
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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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<!-- Copyright (C) 1988-2018 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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<!-- Created by GNU Texinfo 6.4, http://www.gnu.org/software/texinfo/ -->
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<head>
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<title>PowerPC Atomic Memory Operation Functions (Using the GNU Compiler Collection (GCC))</title>
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<meta name="description" content="PowerPC Atomic Memory Operation Functions (Using the GNU Compiler Collection (GCC))">
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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="Target-Builtins.html#Target-Builtins" rel="up" title="Target Builtins">
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<link href="RX-Built_002din-Functions.html#RX-Built_002din-Functions" rel="next" title="RX Built-in Functions">
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<link href="PowerPC-Hardware-Transactional-Memory-Built_002din-Functions.html#PowerPC-Hardware-Transactional-Memory-Built_002din-Functions" rel="prev" title="PowerPC Hardware Transactional Memory Built-in Functions">
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</head>
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<body lang="en">
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<a name="PowerPC-Atomic-Memory-Operation-Functions"></a>
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<div class="header">
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<p>
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Next: <a href="RX-Built_002din-Functions.html#RX-Built_002din-Functions" accesskey="n" rel="next">RX Built-in Functions</a>, Previous: <a href="PowerPC-Hardware-Transactional-Memory-Built_002din-Functions.html#PowerPC-Hardware-Transactional-Memory-Built_002din-Functions" accesskey="p" rel="prev">PowerPC Hardware Transactional Memory Built-in Functions</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="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="PowerPC-Atomic-Memory-Operation-Functions-1"></a>
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<h4 class="subsection">6.59.24 PowerPC Atomic Memory Operation Functions</h4>
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<p>ISA 3.0 of the PowerPC added new atomic memory operation (amo)
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instructions. GCC provides support for these instructions in 64-bit
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environments. All of the functions are declared in the include file
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<code>amo.h</code>.
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</p>
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<p>The functions supported are:
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</p>
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<div class="smallexample">
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<pre class="smallexample">#include <amo.h>
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uint32_t amo_lwat_add (uint32_t *, uint32_t);
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uint32_t amo_lwat_xor (uint32_t *, uint32_t);
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uint32_t amo_lwat_ior (uint32_t *, uint32_t);
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uint32_t amo_lwat_and (uint32_t *, uint32_t);
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uint32_t amo_lwat_umax (uint32_t *, uint32_t);
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uint32_t amo_lwat_umin (uint32_t *, uint32_t);
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uint32_t amo_lwat_swap (uint32_t *, uint32_t);
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int32_t amo_lwat_sadd (int32_t *, int32_t);
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int32_t amo_lwat_smax (int32_t *, int32_t);
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int32_t amo_lwat_smin (int32_t *, int32_t);
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int32_t amo_lwat_sswap (int32_t *, int32_t);
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uint64_t amo_ldat_add (uint64_t *, uint64_t);
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uint64_t amo_ldat_xor (uint64_t *, uint64_t);
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uint64_t amo_ldat_ior (uint64_t *, uint64_t);
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uint64_t amo_ldat_and (uint64_t *, uint64_t);
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uint64_t amo_ldat_umax (uint64_t *, uint64_t);
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uint64_t amo_ldat_umin (uint64_t *, uint64_t);
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uint64_t amo_ldat_swap (uint64_t *, uint64_t);
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int64_t amo_ldat_sadd (int64_t *, int64_t);
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int64_t amo_ldat_smax (int64_t *, int64_t);
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int64_t amo_ldat_smin (int64_t *, int64_t);
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int64_t amo_ldat_sswap (int64_t *, int64_t);
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void amo_stwat_add (uint32_t *, uint32_t);
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void amo_stwat_xor (uint32_t *, uint32_t);
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void amo_stwat_ior (uint32_t *, uint32_t);
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void amo_stwat_and (uint32_t *, uint32_t);
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void amo_stwat_umax (uint32_t *, uint32_t);
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void amo_stwat_umin (uint32_t *, uint32_t);
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void amo_stwat_sadd (int32_t *, int32_t);
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void amo_stwat_smax (int32_t *, int32_t);
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void amo_stwat_smin (int32_t *, int32_t);
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void amo_stdat_add (uint64_t *, uint64_t);
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void amo_stdat_xor (uint64_t *, uint64_t);
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void amo_stdat_ior (uint64_t *, uint64_t);
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void amo_stdat_and (uint64_t *, uint64_t);
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void amo_stdat_umax (uint64_t *, uint64_t);
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void amo_stdat_umin (uint64_t *, uint64_t);
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void amo_stdat_sadd (int64_t *, int64_t);
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void amo_stdat_smax (int64_t *, int64_t);
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void amo_stdat_smin (int64_t *, int64_t);
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</pre></div>
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</body>
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</html>
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