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  1. <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
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  3. <!-- This file documents the GNU Assembler "as".
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  15. <title>Nios II Options (Using as)</title>
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  56. <a name="Nios-II-Options"></a>
  57. <div class="header">
  58. <p>
  59. Next: <a href="Nios-II-Syntax.html#Nios-II-Syntax" accesskey="n" rel="next">Nios II Syntax</a>, Up: <a href="NiosII_002dDependent.html#NiosII_002dDependent" accesskey="u" rel="up">NiosII-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>
  60. </div>
  61. <hr>
  62. <a name="Options-16"></a>
  63. <h4 class="subsection">9.31.1 Options</h4>
  64. <a name="index-Nios-II-options"></a>
  65. <a name="index-options-for-Nios-II"></a>
  66. <dl compact="compact">
  67. <dd>
  68. <a name="index-relax_002dsection-command_002dline-option_002c-Nios-II"></a>
  69. </dd>
  70. <dt><code>-relax-section</code></dt>
  71. <dd><p>Replace identified out-of-range branches with PC-relative <code>jmp</code>
  72. sequences when possible. The generated code sequences are suitable
  73. for use in position-independent code, but there is a practical limit
  74. on the extended branch range because of the length of the sequences.
  75. This option is the default.
  76. </p>
  77. <a name="index-relax_002dall-command_002dline-option_002c-Nios-II"></a>
  78. </dd>
  79. <dt><code>-relax-all</code></dt>
  80. <dd><p>Replace branch instructions not determinable to be in range
  81. and all call instructions with <code>jmp</code> and <code>callr</code> sequences
  82. (respectively). This option generates absolute relocations against the
  83. target symbols and is not appropriate for position-independent code.
  84. </p>
  85. <a name="index-no_002drelax-command_002dline-option_002c-Nios-II"></a>
  86. </dd>
  87. <dt><code>-no-relax</code></dt>
  88. <dd><p>Do not replace any branches or calls.
  89. </p>
  90. <a name="index-EB-command_002dline-option_002c-Nios-II"></a>
  91. </dd>
  92. <dt><code>-EB</code></dt>
  93. <dd><p>Generate big-endian output.
  94. </p>
  95. <a name="index-EL-command_002dline-option_002c-Nios-II"></a>
  96. </dd>
  97. <dt><code>-EL</code></dt>
  98. <dd><p>Generate little-endian output. This is the default.
  99. </p>
  100. <a name="index-march-command_002dline-option_002c-Nios-II"></a>
  101. </dd>
  102. <dt><code>-march=<var>architecture</var></code></dt>
  103. <dd><p>This option specifies the target architecture. The assembler issues
  104. an error message if an attempt is made to assemble an instruction which
  105. will not execute on the target architecture. The following architecture
  106. names are recognized:
  107. <code>r1</code>,
  108. <code>r2</code>.
  109. The default is <code>r1</code>.
  110. </p>
  111. </dd>
  112. </dl>
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