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This file documents the GNU Assembler "as".
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Copyright (C) 1991-2015 Free Software Foundation, Inc.
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<a name="NDS32-Options"></a>
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<p>
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Next: <a rel="next" accesskey="n" href="NDS32-Syntax.html#NDS32-Syntax">NDS32 Syntax</a>,
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Up: <a rel="up" accesskey="u" href="NDS32_002dDependent.html#NDS32_002dDependent">NDS32-Dependent</a>
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<h4 class="subsection">9.30.1 NDS32 Options</h4>
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<p><a name="index-NDS32-options-1659"></a><a name="index-options-for-NDS32-1660"></a>The NDS32 configurations of <span class="sc">gnu</span> <code>as</code> support these
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special options:
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<!-- man begin OPTIONS -->
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<dl>
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<dt><code>-O1</code><dd>Optimize for performance.
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<br><dt><code>-Os</code><dd>Optimize for space.
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<br><dt><code>-EL</code><dd>Produce little endian data output.
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<br><dt><code>-EB</code><dd>Produce little endian data output.
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<br><dt><code>-mpic</code><dd>Generate PIC.
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<br><dt><code>-mno-fp-as-gp-relax</code><dd>Suppress fp-as-gp relaxation for this file.
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<br><dt><code>-mb2bb-relax</code><dd>Back-to-back branch optimization.
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<br><dt><code>-mno-all-relax</code><dd>Suppress all relaxation for this file.
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<br><dt><code>-march=<arch name></code><dd>Assemble for architecture <arch name> which could be v3, v3j, v3m, v3f,
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v3s, v2, v2j, v2f, v2s.
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<br><dt><code>-mbaseline=<baseline></code><dd>Assemble for baseline <baseline> which could be v2, v3, v3m.
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<br><dt><code>-mfpu-freg=</code><var>FREG</var><dd>Specify a FPU configuration.
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<dl>
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<dt><code>0 8 SP / 4 DP registers</code><br><dt><code>1 16 SP / 8 DP registers</code><br><dt><code>2 32 SP / 16 DP registers</code><br><dt><code>3 32 SP / 32 DP registers</code><dd></dl>
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<br><dt><code>-mabi=</code><var>abi</var><dd>Specify a abi version <abi> could be v1, v2, v2fp, v2fpp.
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<br><dt><code>-m[no-]mac</code><dd>Enable/Disable Multiply instructions support.
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<br><dt><code>-m[no-]div</code><dd>Enable/Disable Divide instructions support.
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<br><dt><code>-m[no-]16bit-ext</code><dd>Enable/Disable 16-bit extension
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<br><dt><code>-m[no-]dx-regs</code><dd>Enable/Disable d0/d1 registers
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<br><dt><code>-m[no-]perf-ext</code><dd>Enable/Disable Performance extension
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<br><dt><code>-m[no-]perf2-ext</code><dd>Enable/Disable Performance extension 2
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<br><dt><code>-m[no-]string-ext</code><dd>Enable/Disable String extension
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<br><dt><code>-m[no-]reduced-regs</code><dd>Enable/Disable Reduced Register configuration (GPR16) option
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<br><dt><code>-m[no-]audio-isa-ext</code><dd>Enable/Disable AUDIO ISA extension
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<br><dt><code>-m[no-]fpu-sp-ext</code><dd>Enable/Disable FPU SP extension
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<br><dt><code>-m[no-]fpu-dp-ext</code><dd>Enable/Disable FPU DP extension
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<br><dt><code>-m[no-]fpu-fma</code><dd>Enable/Disable FPU fused-multiply-add instructions
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<br><dt><code>-mall-ext</code><dd>Turn on all extensions and instructions support
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</dl>
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<!-- man end -->
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</body></html>
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