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toolchain-gcc-arm-embedded

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Next: <a href="SCORE_002dDependent.html#SCORE_002dDependent" accesskey="n" rel="next">SCORE-Dependent</a>, Previous: <a href="RX_002dDependent.html#RX_002dDependent" accesskey="p" rel="prev">RX-Dependent</a>, Up: <a href="Machine-Dependencies.html#Machine-Dependencies" accesskey="u" rel="up">Machine Dependencies</a> &nbsp; [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="AS-Index.html#AS-Index" title="Index" rel="index">Index</a>]</p>
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<a name="IBM-S_002f390-Dependent-Features"></a>
<h3 class="section">9.41 IBM S/390 Dependent Features</h3>

<a name="index-s390-support"></a>

<p>The s390 version of <code>as</code> supports two architectures modes
and eleven chip levels. The architecture modes are the Enterprise System
Architecture (ESA) and the newer z/Architecture mode. The chip levels
are g5 (or arch3), g6, z900 (or arch5), z990 (or arch6), z9-109, z9-ec
(or arch7), z10 (or arch8), z196 (or arch9), zEC12 (or arch10), z13
(or arch11), z14 (or arch12), and z15 (or arch13).
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<tr><td align="left" valign="top">&bull; <a href="s390-Options.html#s390-Options" accesskey="1">s390 Options</a>:</td><td>&nbsp;&nbsp;</td><td align="left" valign="top">Command-line Options.
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<tr><td align="left" valign="top">&bull; <a href="s390-Characters.html#s390-Characters" accesskey="2">s390 Characters</a>:</td><td>&nbsp;&nbsp;</td><td align="left" valign="top">Special Characters.
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<tr><td align="left" valign="top">&bull; <a href="s390-Syntax.html#s390-Syntax" accesskey="3">s390 Syntax</a>:</td><td>&nbsp;&nbsp;</td><td align="left" valign="top">Assembler Instruction syntax.
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<tr><td align="left" valign="top">&bull; <a href="s390-Directives.html#s390-Directives" accesskey="4">s390 Directives</a>:</td><td>&nbsp;&nbsp;</td><td align="left" valign="top">Assembler Directives.
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<tr><td align="left" valign="top">&bull; <a href="s390-Floating-Point.html#s390-Floating-Point" accesskey="5">s390 Floating Point</a>:</td><td>&nbsp;&nbsp;</td><td align="left" valign="top">Floating Point.
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