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<title>Add Options - GNU Compiler Collection (GCC) Internals</title>
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<a name="Add-Options"></a>
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Next: <a rel="next" accesskey="n" href="Require-Support.html#Require-Support">Require Support</a>,
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Previous: <a rel="previous" accesskey="p" href="Effective_002dTarget-Keywords.html#Effective_002dTarget-Keywords">Effective-Target Keywords</a>,
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Up: <a rel="up" accesskey="u" href="Test-Directives.html#Test-Directives">Test Directives</a>
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<h4 class="subsection">7.2.4 Features for <code>dg-add-options</code></h4>
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<p>The supported values of <var>feature</var> for directive <code>dg-add-options</code>
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are:
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<dl>
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<dt><code>arm_neon</code><dd>NEON support. Only ARM targets support this feature, and only then
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in certain modes; see the <a href="arm_005fneon_005fok.html#arm_005fneon_005fok">arm_neon_ok effective target keyword</a>.
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<br><dt><code>arm_neon_fp16</code><dd>NEON and half-precision floating point support. Only ARM targets
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support this feature, and only then in certain modes; see
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the <a href="arm_005fneon_005fok.html#arm_005fneon_005fok">arm_neon_fp16_ok effective target keyword</a>.
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<br><dt><code>arm_vfp3</code><dd>arm vfp3 floating point support; see
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the <a href="arm_005fvfp3_005fok.html#arm_005fvfp3_005fok">arm_vfp3_ok effective target keyword</a>.
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<br><dt><code>bind_pic_locally</code><dd>Add the target-specific flags needed to enable functions to bind
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locally when using pic/PIC passes in the testsuite.
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<br><dt><code>c99_runtime</code><dd>Add the target-specific flags needed to access the C99 runtime.
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<br><dt><code>ieee</code><dd>Add the target-specific flags needed to enable full IEEE
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compliance mode.
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<br><dt><code>mips16_attribute</code><dd><code>mips16</code> function attributes.
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Only MIPS targets support this feature, and only then in certain modes.
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<br><dt><code>tls</code><dd>Add the target-specific flags needed to use thread-local storage.
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</dl>
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</body></html>
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