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| <a name="MicroBlaze-Options-1"></a> |
| <h4 class="subsection">3.17.24 MicroBlaze Options</h4> |
| <a name="index-MicroBlaze-Options"></a> |
| |
| <dl compact="compact"> |
| <dt><code>-msoft-float</code></dt> |
| <dd><a name="index-msoft_002dfloat-5"></a> |
| <p>Use software emulation for floating point (default). |
| </p> |
| </dd> |
| <dt><code>-mhard-float</code></dt> |
| <dd><a name="index-mhard_002dfloat-2"></a> |
| <p>Use hardware floating-point instructions. |
| </p> |
| </dd> |
| <dt><code>-mmemcpy</code></dt> |
| <dd><a name="index-mmemcpy"></a> |
| <p>Do not optimize block moves, use <code>memcpy</code>. |
| </p> |
| </dd> |
| <dt><code>-mno-clearbss</code></dt> |
| <dd><a name="index-mno_002dclearbss"></a> |
| <p>This option is deprecated. Use <samp>-fno-zero-initialized-in-bss</samp> instead. |
| </p> |
| </dd> |
| <dt><code>-mcpu=<var>cpu-type</var></code></dt> |
| <dd><a name="index-mcpu_003d-2"></a> |
| <p>Use features of, and schedule code for, the given CPU. |
| Supported values are in the format ‘<samp>v<var>X</var>.<var>YY</var>.<var>Z</var></samp>’, |
| where <var>X</var> is a major version, <var>YY</var> is the minor version, and |
| <var>Z</var> is compatibility code. Example values are ‘<samp>v3.00.a</samp>’, |
| ‘<samp>v4.00.b</samp>’, ‘<samp>v5.00.a</samp>’, ‘<samp>v5.00.b</samp>’, ‘<samp>v5.00.b</samp>’, ‘<samp>v6.00.a</samp>’. |
| </p> |
| </dd> |
| <dt><code>-mxl-soft-mul</code></dt> |
| <dd><a name="index-mxl_002dsoft_002dmul"></a> |
| <p>Use software multiply emulation (default). |
| </p> |
| </dd> |
| <dt><code>-mxl-soft-div</code></dt> |
| <dd><a name="index-mxl_002dsoft_002ddiv"></a> |
| <p>Use software emulation for divides (default). |
| </p> |
| </dd> |
| <dt><code>-mxl-barrel-shift</code></dt> |
| <dd><a name="index-mxl_002dbarrel_002dshift"></a> |
| <p>Use the hardware barrel shifter. |
| </p> |
| </dd> |
| <dt><code>-mxl-pattern-compare</code></dt> |
| <dd><a name="index-mxl_002dpattern_002dcompare"></a> |
| <p>Use pattern compare instructions. |
| </p> |
| </dd> |
| <dt><code>-msmall-divides</code></dt> |
| <dd><a name="index-msmall_002ddivides"></a> |
| <p>Use table lookup optimization for small signed integer divisions. |
| </p> |
| </dd> |
| <dt><code>-mxl-stack-check</code></dt> |
| <dd><a name="index-mxl_002dstack_002dcheck"></a> |
| <p>This option is deprecated. Use <samp>-fstack-check</samp> instead. |
| </p> |
| </dd> |
| <dt><code>-mxl-gp-opt</code></dt> |
| <dd><a name="index-mxl_002dgp_002dopt"></a> |
| <p>Use GP-relative <code>.sdata</code>/<code>.sbss</code> sections. |
| </p> |
| </dd> |
| <dt><code>-mxl-multiply-high</code></dt> |
| <dd><a name="index-mxl_002dmultiply_002dhigh"></a> |
| <p>Use multiply high instructions for high part of 32x32 multiply. |
| </p> |
| </dd> |
| <dt><code>-mxl-float-convert</code></dt> |
| <dd><a name="index-mxl_002dfloat_002dconvert"></a> |
| <p>Use hardware floating-point conversion instructions. |
| </p> |
| </dd> |
| <dt><code>-mxl-float-sqrt</code></dt> |
| <dd><a name="index-mxl_002dfloat_002dsqrt"></a> |
| <p>Use hardware floating-point square root instruction. |
| </p> |
| </dd> |
| <dt><code>-mbig-endian</code></dt> |
| <dd><a name="index-mbig_002dendian-6"></a> |
| <p>Generate code for a big-endian target. |
| </p> |
| </dd> |
| <dt><code>-mlittle-endian</code></dt> |
| <dd><a name="index-mlittle_002dendian-6"></a> |
| <p>Generate code for a little-endian target. |
| </p> |
| </dd> |
| <dt><code>-mxl-reorder</code></dt> |
| <dd><a name="index-mxl_002dreorder"></a> |
| <p>Use reorder instructions (swap and byte reversed load/store). |
| </p> |
| </dd> |
| <dt><code>-mxl-mode-<var>app-model</var></code></dt> |
| <dd><p>Select application model <var>app-model</var>. Valid models are |
| </p><dl compact="compact"> |
| <dt>‘<samp>executable</samp>’</dt> |
| <dd><p>normal executable (default), uses startup code <samp>crt0.o</samp>. |
| </p> |
| </dd> |
| <dt>‘<samp>xmdstub</samp>’</dt> |
| <dd><p>for use with Xilinx Microprocessor Debugger (XMD) based |
| software intrusive debug agent called xmdstub. This uses startup file |
| <samp>crt1.o</samp> and sets the start address of the program to 0x800. |
| </p> |
| </dd> |
| <dt>‘<samp>bootstrap</samp>’</dt> |
| <dd><p>for applications that are loaded using a bootloader. |
| This model uses startup file <samp>crt2.o</samp> which does not contain a processor |
| reset vector handler. This is suitable for transferring control on a |
| processor reset to the bootloader rather than the application. |
| </p> |
| </dd> |
| <dt>‘<samp>novectors</samp>’</dt> |
| <dd><p>for applications that do not require any of the |
| MicroBlaze vectors. This option may be useful for applications running |
| within a monitoring application. This model uses <samp>crt3.o</samp> as a startup file. |
| </p></dd> |
| </dl> |
| |
| <p>Option <samp>-xl-mode-<var>app-model</var></samp> is a deprecated alias for |
| <samp>-mxl-mode-<var>app-model</var></samp>. |
| </p> |
| </dd> |
| </dl> |
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