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  1. <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
  2. <html>
  3. <!-- This file documents the GNU Assembler "as".
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  7. or any later version published by the Free Software Foundation;
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  15. <title>SH Options (Using as)</title>
  16. <meta name="description" content="SH Options (Using as)">
  17. <meta name="keywords" content="SH Options (Using as)">
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  21. <link href="index.html#Top" rel="start" title="Top">
  22. <link href="AS-Index.html#AS-Index" rel="index" title="AS Index">
  23. <link href="index.html#SEC_Contents" rel="contents" title="Table of Contents">
  24. <link href="SH_002dDependent.html#SH_002dDependent" rel="up" title="SH-Dependent">
  25. <link href="SH-Syntax.html#SH-Syntax" rel="next" title="SH Syntax">
  26. <link href="SH_002dDependent.html#SH_002dDependent" rel="prev" title="SH-Dependent">
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  54. </head>
  55. <body lang="en">
  56. <a name="SH-Options"></a>
  57. <div class="header">
  58. <p>
  59. Next: <a href="SH-Syntax.html#SH-Syntax" accesskey="n" rel="next">SH Syntax</a>, Up: <a href="SH_002dDependent.html#SH_002dDependent" accesskey="u" rel="up">SH-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-23"></a>
  63. <h4 class="subsection">9.43.1 Options</h4>
  64. <a name="index-SH-options"></a>
  65. <a name="index-options_002c-SH"></a>
  66. <p><code>as</code> has following command-line options for the Renesas
  67. (formerly Hitachi) / SuperH SH family.
  68. </p>
  69. <dl compact="compact">
  70. <dd><a name="index-_002d_002dlittle"></a>
  71. <a name="index-_002d_002dbig"></a>
  72. <a name="index-_002d_002drelax"></a>
  73. <a name="index-_002d_002dsmall"></a>
  74. <a name="index-_002d_002ddsp"></a>
  75. <a name="index-_002d_002drenesas"></a>
  76. <a name="index-_002d_002dallow_002dreg_002dprefix"></a>
  77. </dd>
  78. <dt><code>--little</code></dt>
  79. <dd><p>Generate little endian code.
  80. </p>
  81. </dd>
  82. <dt><code>--big</code></dt>
  83. <dd><p>Generate big endian code.
  84. </p>
  85. </dd>
  86. <dt><code>--relax</code></dt>
  87. <dd><p>Alter jump instructions for long displacements.
  88. </p>
  89. </dd>
  90. <dt><code>--small</code></dt>
  91. <dd><p>Align sections to 4 byte boundaries, not 16.
  92. </p>
  93. </dd>
  94. <dt><code>--dsp</code></dt>
  95. <dd><p>Enable sh-dsp insns, and disable sh3e / sh4 insns.
  96. </p>
  97. </dd>
  98. <dt><code>--renesas</code></dt>
  99. <dd><p>Disable optimization with section symbol for compatibility with
  100. Renesas assembler.
  101. </p>
  102. </dd>
  103. <dt><code>--allow-reg-prefix</code></dt>
  104. <dd><p>Allow &rsquo;$&rsquo; as a register name prefix.
  105. </p>
  106. <a name="index-_002d_002dfdpic"></a>
  107. </dd>
  108. <dt><code>--fdpic</code></dt>
  109. <dd><p>Generate an FDPIC object file.
  110. </p>
  111. </dd>
  112. <dt><code>--isa=sh4 | sh4a</code></dt>
  113. <dd><p>Specify the sh4 or sh4a instruction set.
  114. </p></dd>
  115. <dt><code>--isa=dsp</code></dt>
  116. <dd><p>Enable sh-dsp insns, and disable sh3e / sh4 insns.
  117. </p></dd>
  118. <dt><code>--isa=fp</code></dt>
  119. <dd><p>Enable sh2e, sh3e, sh4, and sh4a insn sets.
  120. </p></dd>
  121. <dt><code>--isa=all</code></dt>
  122. <dd><p>Enable sh1, sh2, sh2e, sh3, sh3e, sh4, sh4a, and sh-dsp insn sets.
  123. </p>
  124. </dd>
  125. <dt><code>-h-tick-hex</code></dt>
  126. <dd><p>Support H&rsquo;00 style hex constants in addition to 0x00 style.
  127. </p>
  128. </dd>
  129. </dl>
  130. </body>
  131. </html>