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  20. <title>Blackfin Variable Attributes (Using the GNU Compiler Collection (GCC))</title>
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  67. <a name="Blackfin-Variable-Attributes-1"></a>
  68. <h4 class="subsection">6.34.4 Blackfin Variable Attributes</h4>
  69. <p>Three attributes are currently defined for the Blackfin.
  70. </p>
  71. <dl compact="compact">
  72. <dt><code>l1_data</code></dt>
  73. <dt><code>l1_data_A</code></dt>
  74. <dt><code>l1_data_B</code></dt>
  75. <dd><a name="index-l1_005fdata-variable-attribute_002c-Blackfin"></a>
  76. <a name="index-l1_005fdata_005fA-variable-attribute_002c-Blackfin"></a>
  77. <a name="index-l1_005fdata_005fB-variable-attribute_002c-Blackfin"></a>
  78. <p>Use these attributes on the Blackfin to place the variable into L1 Data SRAM.
  79. Variables with <code>l1_data</code> attribute are put into the specific section
  80. named <code>.l1.data</code>. Those with <code>l1_data_A</code> attribute are put into
  81. the specific section named <code>.l1.data.A</code>. Those with <code>l1_data_B</code>
  82. attribute are put into the specific section named <code>.l1.data.B</code>.
  83. </p>
  84. </dd>
  85. <dt><code>l2</code></dt>
  86. <dd><a name="index-l2-variable-attribute_002c-Blackfin"></a>
  87. <p>Use this attribute on the Blackfin to place the variable into L2 SRAM.
  88. Variables with <code>l2</code> attribute are put into the specific section
  89. named <code>.l2.data</code>.
  90. </p></dd>
  91. </dl>
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