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| <title>Using as: CRIS-Symbols</title> |
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| Next: <a href="CRIS_002dSyntax.html#CRIS_002dSyntax" accesskey="n" rel="next">CRIS-Syntax</a>, Previous: <a href="CRIS_002dExpand.html#CRIS_002dExpand" accesskey="p" rel="prev">CRIS-Expand</a>, Up: <a href="CRIS_002dDependent.html#CRIS_002dDependent" accesskey="u" rel="up">CRIS-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="Symbols-3"></a> |
| <h4 class="subsection">9.8.3 Symbols</h4> |
| <a name="index-Symbols_002c-built_002din_002c-CRIS"></a> |
| <a name="index-Symbols_002c-CRIS_002c-built_002din"></a> |
| <a name="index-CRIS-built_002din-symbols"></a> |
| <a name="index-Built_002din-symbols_002c-CRIS"></a> |
| |
| <p>Some symbols are defined by the assembler. They’re intended to |
| be used in conditional assembly, for example: |
| </p><div class="smallexample"> |
| <pre class="smallexample"> .if ..asm.arch.cris.v32 |
| <var>code for CRIS v32</var> |
| .elseif ..asm.arch.cris.common_v10_v32 |
| <var>code common to CRIS v32 and CRIS v10</var> |
| .elseif ..asm.arch.cris.v10 | ..asm.arch.cris.any_v0_v10 |
| <var>code for v10</var> |
| .else |
| .error "Code needs to be added here." |
| .endif |
| </pre></div> |
| |
| <p>These symbols are defined in the assembler, reflecting |
| command-line options, either when specified or the default. |
| They are always defined, to 0 or 1. |
| </p><dl compact="compact"> |
| <dt><code>..asm.arch.cris.any_v0_v10</code></dt> |
| <dd><p>This symbol is non-zero when <samp>--march=v0_v10</samp> is specified |
| or the default. |
| </p> |
| </dd> |
| <dt><code>..asm.arch.cris.common_v10_v32</code></dt> |
| <dd><p>Set according to the option <samp>--march=common_v10_v32</samp>. |
| </p> |
| </dd> |
| <dt><code>..asm.arch.cris.v10</code></dt> |
| <dd><p>Reflects the option <samp>--march=v10</samp>. |
| </p> |
| </dd> |
| <dt><code>..asm.arch.cris.v32</code></dt> |
| <dd><p>Corresponds to <samp>--march=v10</samp>. |
| </p></dd> |
| </dl> |
| |
| <p>Speaking of symbols, when a symbol is used in code, it can have |
| a suffix modifying its value for use in position-independent |
| code. See <a href="CRIS_002dPic.html#CRIS_002dPic">CRIS-Pic</a>. |
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