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  15. <title>PRU Options (Using as)</title>
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  56. <a name="PRU-Options"></a>
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  59. Next: <a href="PRU-Syntax.html#PRU-Syntax" accesskey="n" rel="next">PRU Syntax</a>, Up: <a href="PRU_002dDependent.html#PRU_002dDependent" accesskey="u" rel="up">PRU-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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  62. <a name="Options-20"></a>
  63. <h4 class="subsection">9.37.1 Options</h4>
  64. <a name="index-PRU-options"></a>
  65. <a name="index-options-for-PRU"></a>
  66. <dl compact="compact">
  67. <dd>
  68. <a name="index-mlink_002drelax-command_002dline-option_002c-PRU"></a>
  69. </dd>
  70. <dt><code>-mlink-relax</code></dt>
  71. <dd><p>Assume that LD would optimize LDI32 instructions by checking the upper
  72. 16 bits of the <var>expression</var>. If they are all zeros, then LD would
  73. shorten the LDI32 instruction to a single LDI. In such case <code>as</code>
  74. will output DIFF relocations for diff expressions.
  75. </p>
  76. <a name="index-mno_002dlink_002drelax-command_002dline-option_002c-PRU"></a>
  77. </dd>
  78. <dt><code>-mno-link-relax</code></dt>
  79. <dd><p>Assume that LD would not optimize LDI32 instructions. As a consequence,
  80. DIFF relocations will not be emitted.
  81. </p>
  82. <a name="index-mno_002dwarn_002dregname_002dlabel-command_002dline-option_002c-PRU"></a>
  83. </dd>
  84. <dt><code>-mno-warn-regname-label</code></dt>
  85. <dd><p>Do not warn if a label name matches a register name. Usually assembler
  86. programmers will want this warning to be emitted. C compilers may want
  87. to turn this off.
  88. </p>
  89. </dd>
  90. </dl>
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