CR16-Options.html 4.9 KB

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  69. <h4 class="subsection">3.18.9 CR16 Options</h4>
  70. <a name="index-CR16-Options"></a>
  71. <p>These options are defined specifically for the CR16 ports.
  72. </p>
  73. <dl compact="compact">
  74. <dt><code>-mmac</code></dt>
  75. <dd><a name="index-mmac"></a>
  76. <p>Enable the use of multiply-accumulate instructions. Disabled by default.
  77. </p>
  78. </dd>
  79. <dt><code>-mcr16cplus</code></dt>
  80. <dt><code>-mcr16c</code></dt>
  81. <dd><a name="index-mcr16cplus"></a>
  82. <a name="index-mcr16c"></a>
  83. <p>Generate code for CR16C or CR16C+ architecture. CR16C+ architecture
  84. is default.
  85. </p>
  86. </dd>
  87. <dt><code>-msim</code></dt>
  88. <dd><a name="index-msim-2"></a>
  89. <p>Links the library libsim.a which is in compatible with simulator. Applicable
  90. to ELF compiler only.
  91. </p>
  92. </dd>
  93. <dt><code>-mint32</code></dt>
  94. <dd><a name="index-mint32"></a>
  95. <p>Choose integer type as 32-bit wide.
  96. </p>
  97. </dd>
  98. <dt><code>-mbit-ops</code></dt>
  99. <dd><a name="index-mbit_002dops"></a>
  100. <p>Generates <code>sbit</code>/<code>cbit</code> instructions for bit manipulations.
  101. </p>
  102. </dd>
  103. <dt><code>-mdata-model=<var>model</var></code></dt>
  104. <dd><a name="index-mdata_002dmodel"></a>
  105. <p>Choose a data model. The choices for <var>model</var> are &lsquo;<samp>near</samp>&rsquo;,
  106. &lsquo;<samp>far</samp>&rsquo; or &lsquo;<samp>medium</samp>&rsquo;. &lsquo;<samp>medium</samp>&rsquo; is default.
  107. However, &lsquo;<samp>far</samp>&rsquo; is not valid with <samp>-mcr16c</samp>, as the
  108. CR16C architecture does not support the far data model.
  109. </p></dd>
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