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| <h4 class="subsection">9.30.1 NDS32 Options</h4> |
| |
| <p><a name="index-NDS32-options-1767"></a><a name="index-options-for-NDS32-1768"></a>The NDS32 configurations of <span class="sc">gnu</span> <code>as</code> support these |
| special options: |
| |
| <!-- man begin OPTIONS --> |
| <dl> |
| <dt><code>-O1</code><dd>Optimize for performance. |
| |
| <br><dt><code>-Os</code><dd>Optimize for space. |
| |
| <br><dt><code>-EL</code><dd>Produce little endian data output. |
| |
| <br><dt><code>-EB</code><dd>Produce little endian data output. |
| |
| <br><dt><code>-mpic</code><dd>Generate PIC. |
| |
| <br><dt><code>-mno-fp-as-gp-relax</code><dd>Suppress fp-as-gp relaxation for this file. |
| |
| <br><dt><code>-mb2bb-relax</code><dd>Back-to-back branch optimization. |
| |
| <br><dt><code>-mno-all-relax</code><dd>Suppress all relaxation for this file. |
| |
| <br><dt><code>-march=<arch name></code><dd>Assemble for architecture <arch name> which could be v3, v3j, v3m, v3f, |
| v3s, v2, v2j, v2f, v2s. |
| |
| <br><dt><code>-mbaseline=<baseline></code><dd>Assemble for baseline <baseline> which could be v2, v3, v3m. |
| |
| <br><dt><code>-mfpu-freg=</code><var>FREG</var><dd>Specify a FPU configuration. |
| <dl> |
| <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> |
| |
| <br><dt><code>-mabi=</code><var>abi</var><dd>Specify a abi version <abi> could be v1, v2, v2fp, v2fpp. |
| |
| <br><dt><code>-m[no-]mac</code><dd>Enable/Disable Multiply instructions support. |
| |
| <br><dt><code>-m[no-]div</code><dd>Enable/Disable Divide instructions support. |
| |
| <br><dt><code>-m[no-]16bit-ext</code><dd>Enable/Disable 16-bit extension |
| |
| <br><dt><code>-m[no-]dx-regs</code><dd>Enable/Disable d0/d1 registers |
| |
| <br><dt><code>-m[no-]perf-ext</code><dd>Enable/Disable Performance extension |
| |
| <br><dt><code>-m[no-]perf2-ext</code><dd>Enable/Disable Performance extension 2 |
| |
| <br><dt><code>-m[no-]string-ext</code><dd>Enable/Disable String extension |
| |
| <br><dt><code>-m[no-]reduced-regs</code><dd>Enable/Disable Reduced Register configuration (GPR16) option |
| |
| <br><dt><code>-m[no-]audio-isa-ext</code><dd>Enable/Disable AUDIO ISA extension |
| |
| <br><dt><code>-m[no-]fpu-sp-ext</code><dd>Enable/Disable FPU SP extension |
| |
| <br><dt><code>-m[no-]fpu-dp-ext</code><dd>Enable/Disable FPU DP extension |
| |
| <br><dt><code>-m[no-]fpu-fma</code><dd>Enable/Disable FPU fused-multiply-add instructions |
| |
| <br><dt><code>-mall-ext</code><dd>Turn on all extensions and instructions support |
| </dl> |
| <!-- man end --> |
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