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| <h4 class="subsection">9.37.1 TIC6X Options</h4> |
| |
| <p><a name="index-TIC6X-options-1809"></a><a name="index-options-for-TIC6X-1810"></a> |
| |
| <a name="index-g_t_0040code_007b_002dmarch_003d_007d-command-line-option_002c-TIC6X-1811"></a> |
| <dl><dt><code>-march=</code><var>arch</var><dd>Enable (only) instructions from architecture <var>arch</var>. By default, |
| all instructions are permitted. |
| |
| <p>The following values of <var>arch</var> are accepted: <code>c62x</code>, |
| <code>c64x</code>, <code>c64x+</code>, <code>c67x</code>, <code>c67x+</code>, <code>c674x</code>. |
| |
| <p><a name="index-g_t_0040code_007b_002dmatomic_007d-command-line-option_002c-TIC6X-1812"></a><a name="index-g_t_0040code_007b_002dmno_002datomic_007d-command-line-option_002c-TIC6X-1813"></a><br><dt><code>-matomic</code><dt><code>-mno-atomic</code><dd>Enable or disable the optional C64x+ atomic operation instructions. |
| By default, they are enabled if no <samp><span class="option">-march</span></samp> option is given, or |
| if an architecture is specified with <samp><span class="option">-march</span></samp> that implies |
| these instructions are present (currently, there are no such |
| architectures); they are disabled if an architecture is specified with |
| <samp><span class="option">-march</span></samp> on which the instructions are optional or not |
| present. This option overrides such a default from the architecture, |
| independent of the order in which the <samp><span class="option">-march</span></samp> or |
| <samp><span class="option">-matomic</span></samp> or <samp><span class="option">-mno-atomic</span></samp> options are passed. |
| |
| <p><a name="index-g_t_0040code_007b_002dmdsbt_007d-command-line-option_002c-TIC6X-1814"></a><a name="index-g_t_0040code_007b_002dmno_002ddsbt_007d-command-line-option_002c-TIC6X-1815"></a><br><dt><code>-mdsbt</code><dt><code>-mno-dsbt</code><dd>The <samp><span class="option">-mdsbt</span></samp> option causes the assembler to generate the |
| <code>Tag_ABI_DSBT</code> attribute with a value of 1, indicating that the |
| code is using DSBT addressing. The <samp><span class="option">-mno-dsbt</span></samp> option, the |
| default, causes the tag to have a value of 0, indicating that the code |
| does not use DSBT addressing. The linker will emit a warning if |
| objects of different type (DSBT and non-DSBT) are linked together. |
| |
| <p><a name="index-g_t_0040code_007b_002dmpid_003d_007d-command-line-option_002c-TIC6X-1816"></a><br><dt><code>-mpid=no</code><dt><code>-mpid=near</code><dt><code>-mpid=far</code><dd>The <samp><span class="option">-mpid=</span></samp> option causes the assembler to generate the |
| <code>Tag_ABI_PID</code> attribute with a value indicating the form of data |
| addressing used by the code. <samp><span class="option">-mpid=no</span></samp>, the default, |
| indicates position-dependent data addressing, <samp><span class="option">-mpid=near</span></samp> |
| indicates position-independent addressing with GOT accesses using near |
| DP addressing, and <samp><span class="option">-mpid=far</span></samp> indicates position-independent |
| addressing with GOT accesses using far DP addressing. The linker will |
| emit a warning if objects built with different settings of this option |
| are linked together. |
| |
| <p><a name="index-g_t_0040code_007b_002dmpic_007d-command-line-option_002c-TIC6X-1817"></a><a name="index-g_t_0040code_007b_002dmno_002dpic_007d-command-line-option_002c-TIC6X-1818"></a><br><dt><code>-mpic</code><dt><code>-mno-pic</code><dd>The <samp><span class="option">-mpic</span></samp> option causes the assembler to generate the |
| <code>Tag_ABI_PIC</code> attribute with a value of 1, indicating that the |
| code is using position-independent code addressing, The |
| <code>-mno-pic</code> option, the default, causes the tag to have a value of |
| 0, indicating position-dependent code addressing. The linker will |
| emit a warning if objects of different type (position-dependent and |
| position-independent) are linked together. |
| |
| <p><a name="index-TIC6X-big_002dendian-output-1819"></a><a name="index-TIC6X-little_002dendian-output-1820"></a><a name="index-big_002dendian-output_002c-TIC6X-1821"></a><a name="index-little_002dendian-output_002c-TIC6X-1822"></a><br><dt><code>-mbig-endian</code><dt><code>-mlittle-endian</code><dd>Generate code for the specified endianness. The default is |
| little-endian. |
| |
| </dl> |
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