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| <a name="Features-for-dg_002dadd_002doptions"></a> |
| <h4 class="subsection">7.2.4 Features for <code>dg-add-options</code></h4> |
| |
| <p>The supported values of <var>feature</var> for directive <code>dg-add-options</code> |
| are: |
| </p> |
| <dl compact="compact"> |
| <dt><code>arm_neon</code></dt> |
| <dd><p>NEON support. Only ARM targets support this feature, and only then |
| in certain modes; see the <a href="Effective_002dTarget-Keywords.html#arm_005fneon_005fok">arm_neon_ok effective target |
| keyword</a>. |
| </p> |
| </dd> |
| <dt><code>arm_neon_fp16</code></dt> |
| <dd><p>NEON and half-precision floating point support. Only ARM targets |
| support this feature, and only then in certain modes; see |
| the <a href="Effective_002dTarget-Keywords.html#arm_005fneon_005fok">arm_neon_fp16_ok effective target keyword</a>. |
| </p> |
| </dd> |
| <dt><code>arm_vfp3</code></dt> |
| <dd><p>arm vfp3 floating point support; see |
| the <a href="Effective_002dTarget-Keywords.html#arm_005fvfp3_005fok">arm_vfp3_ok effective target keyword</a>. |
| </p> |
| </dd> |
| <dt><code>bind_pic_locally</code></dt> |
| <dd><p>Add the target-specific flags needed to enable functions to bind |
| locally when using pic/PIC passes in the testsuite. |
| </p> |
| </dd> |
| <dt><code>c99_runtime</code></dt> |
| <dd><p>Add the target-specific flags needed to access the C99 runtime. |
| </p> |
| </dd> |
| <dt><code>ieee</code></dt> |
| <dd><p>Add the target-specific flags needed to enable full IEEE |
| compliance mode. |
| </p> |
| </dd> |
| <dt><code>mips16_attribute</code></dt> |
| <dd><p><code>mips16</code> function attributes. |
| Only MIPS targets support this feature, and only then in certain modes. |
| </p> |
| </dd> |
| <dt><code>tls</code></dt> |
| <dd><p>Add the target-specific flags needed to use thread-local storage. |
| </p></dd> |
| </dl> |
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