Blackfin-Directives.html 4.1 KB

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  60. Previous: <a href="Blackfin-Syntax.html#Blackfin-Syntax" accesskey="p" rel="prev">Blackfin Syntax</a>, Up: <a href="Blackfin_002dDependent.html#Blackfin_002dDependent" accesskey="u" rel="up">Blackfin-Dependent</a> &nbsp; [<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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  63. <a name="Directives"></a>
  64. <h4 class="subsection">9.6.3 Directives</h4>
  65. <a name="index-Blackfin-directives"></a>
  66. <a name="index-directives_002c-Blackfin"></a>
  67. <p>The following directives are provided for compatibility with the VDSP assembler.
  68. </p>
  69. <dl compact="compact">
  70. <dt><code>.byte2</code></dt>
  71. <dd><p>Initializes a two byte data object.
  72. </p>
  73. <p>This maps to the <code>.short</code> directive.
  74. </p></dd>
  75. <dt><code>.byte4</code></dt>
  76. <dd><p>Initializes a four byte data object.
  77. </p>
  78. <p>This maps to the <code>.int</code> directive.
  79. </p></dd>
  80. <dt><code>.db</code></dt>
  81. <dd><p>Initializes a single byte data object.
  82. </p>
  83. <p>This directive is a synonym for <code>.byte</code>.
  84. </p></dd>
  85. <dt><code>.dw</code></dt>
  86. <dd><p>Initializes a two byte data object.
  87. </p>
  88. <p>This directive is a synonym for <code>.byte2</code>.
  89. </p></dd>
  90. <dt><code>.dd</code></dt>
  91. <dd><p>Initializes a four byte data object.
  92. </p>
  93. <p>This directive is a synonym for <code>.byte4</code>.
  94. </p></dd>
  95. <dt><code>.var</code></dt>
  96. <dd><p>Define and initialize a 32 bit data object.
  97. </p></dd>
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