Du kan inte välja fler än 25 ämnen Ämnen måste starta med en bokstav eller siffra, kan innehålla bindestreck ('-') och vara max 35 tecken långa.

126 lines
4.7KB

  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".
  4. Copyright (C) 1991-2020 Free Software Foundation, Inc.
  5. Permission is granted to copy, distribute and/or modify this document
  6. under the terms of the GNU Free Documentation License, Version 1.3
  7. or any later version published by the Free Software Foundation;
  8. with no Invariant Sections, with no Front-Cover Texts, and with no
  9. Back-Cover Texts. A copy of the license is included in the
  10. section entitled "GNU Free Documentation License".
  11. -->
  12. <!-- Created by GNU Texinfo 6.5, http://www.gnu.org/software/texinfo/ -->
  13. <head>
  14. <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
  15. <title>PRU Directives (Using as)</title>
  16. <meta name="description" content="PRU Directives (Using as)">
  17. <meta name="keywords" content="PRU Directives (Using as)">
  18. <meta name="resource-type" content="document">
  19. <meta name="distribution" content="global">
  20. <meta name="Generator" content="makeinfo">
  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="PRU_002dDependent.html#PRU_002dDependent" rel="up" title="PRU-Dependent">
  25. <link href="PRU-Opcodes.html#PRU-Opcodes" rel="next" title="PRU Opcodes">
  26. <link href="PRU-Relocations.html#PRU-Relocations" rel="prev" title="PRU Relocations">
  27. <style type="text/css">
  28. <!--
  29. a.summary-letter {text-decoration: none}
  30. blockquote.indentedblock {margin-right: 0em}
  31. blockquote.smallindentedblock {margin-right: 0em; font-size: smaller}
  32. blockquote.smallquotation {font-size: smaller}
  33. div.display {margin-left: 3.2em}
  34. div.example {margin-left: 3.2em}
  35. div.lisp {margin-left: 3.2em}
  36. div.smalldisplay {margin-left: 3.2em}
  37. div.smallexample {margin-left: 3.2em}
  38. div.smalllisp {margin-left: 3.2em}
  39. kbd {font-style: oblique}
  40. pre.display {font-family: inherit}
  41. pre.format {font-family: inherit}
  42. pre.menu-comment {font-family: serif}
  43. pre.menu-preformatted {font-family: serif}
  44. pre.smalldisplay {font-family: inherit; font-size: smaller}
  45. pre.smallexample {font-size: smaller}
  46. pre.smallformat {font-family: inherit; font-size: smaller}
  47. pre.smalllisp {font-size: smaller}
  48. span.nolinebreak {white-space: nowrap}
  49. span.roman {font-family: initial; font-weight: normal}
  50. span.sansserif {font-family: sans-serif; font-weight: normal}
  51. ul.no-bullet {list-style: none}
  52. -->
  53. </style>
  54. </head>
  55. <body lang="en">
  56. <a name="PRU-Directives"></a>
  57. <div class="header">
  58. <p>
  59. Next: <a href="PRU-Opcodes.html#PRU-Opcodes" accesskey="n" rel="next">PRU Opcodes</a>, Previous: <a href="PRU-Relocations.html#PRU-Relocations" accesskey="p" rel="prev">PRU Relocations</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>
  60. </div>
  61. <hr>
  62. <a name="PRU-Machine-Directives"></a>
  63. <h4 class="subsection">9.37.4 PRU Machine Directives</h4>
  64. <a name="index-machine-directives_002c-PRU"></a>
  65. <a name="index-PRU-machine-directives"></a>
  66. <dl compact="compact">
  67. <dd>
  68. <a name="index-align-directive_002c-PRU"></a>
  69. </dd>
  70. <dt><code>.align <var>expression</var> [, <var>expression</var>]</code></dt>
  71. <dd><p>This is the generic <code>.align</code> directive, however
  72. this aligns to a power of two.
  73. </p>
  74. <a name="index-word-directive_002c-PRU"></a>
  75. </dd>
  76. <dt><code>.word <var>expression</var></code></dt>
  77. <dd><p>Create an aligned constant 4 bytes in size.
  78. </p>
  79. <a name="index-dword-directive_002c-PRU"></a>
  80. </dd>
  81. <dt><code>.dword <var>expression</var></code></dt>
  82. <dd><p>Create an aligned constant 8 bytes in size.
  83. </p>
  84. <a name="index-2byte-directive_002c-PRU"></a>
  85. </dd>
  86. <dt><code>.2byte <var>expression</var></code></dt>
  87. <dd><p>Create an unaligned constant 2 bytes in size.
  88. </p>
  89. <a name="index-4byte-directive_002c-PRU"></a>
  90. </dd>
  91. <dt><code>.4byte <var>expression</var></code></dt>
  92. <dd><p>Create an unaligned constant 4 bytes in size.
  93. </p>
  94. <a name="index-8byte-directive_002c-PRU"></a>
  95. </dd>
  96. <dt><code>.8byte <var>expression</var></code></dt>
  97. <dd><p>Create an unaligned constant 8 bytes in size.
  98. </p>
  99. <a name="index-16byte-directive_002c-PRU"></a>
  100. </dd>
  101. <dt><code>.16byte <var>expression</var></code></dt>
  102. <dd><p>Create an unaligned constant 16 bytes in size.
  103. </p>
  104. <a name="index-set-no_005fwarn_005fregname_005flabel-directive_002c-PRU"></a>
  105. </dd>
  106. <dt><code>.set no_warn_regname_label</code></dt>
  107. <dd><p>Do not output warnings when a label name matches a register name. Equivalent
  108. to passing the <code>-mno-warn-regname-label</code> command-line option.
  109. </p>
  110. </dd>
  111. </dl>
  112. </body>
  113. </html>