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