| <html lang="en"> |
| <head> |
| <title>RX-Directives - Using as</title> |
| <meta http-equiv="Content-Type" content="text/html"> |
| <meta name="description" content="Using as"> |
| <meta name="generator" content="makeinfo 4.13"> |
| <link title="Top" rel="start" href="index.html#Top"> |
| <link rel="up" href="RX_002dDependent.html#RX_002dDependent" title="RX-Dependent"> |
| <link rel="prev" href="RX_002dModifiers.html#RX_002dModifiers" title="RX-Modifiers"> |
| <link rel="next" href="RX_002dFloat.html#RX_002dFloat" title="RX-Float"> |
| <link href="http://www.gnu.org/software/texinfo/" rel="generator-home" title="Texinfo Homepage"> |
| <!-- |
| This file documents the GNU Assembler "as". |
| |
| Copyright (C) 1991-2019 Free Software Foundation, Inc. |
| |
| Permission is granted to copy, distribute and/or modify this document |
| under the terms of the GNU Free Documentation License, Version 1.3 |
| or any later version published by the Free Software Foundation; |
| with no Invariant Sections, with no Front-Cover Texts, and with no |
| Back-Cover Texts. A copy of the license is included in the |
| section entitled ``GNU Free Documentation License''. |
| |
| --> |
| <meta http-equiv="Content-Style-Type" content="text/css"> |
| <style type="text/css"><!-- |
| pre.display { font-family:inherit } |
| pre.format { font-family:inherit } |
| pre.smalldisplay { font-family:inherit; font-size:smaller } |
| pre.smallformat { font-family:inherit; font-size:smaller } |
| pre.smallexample { font-size:smaller } |
| pre.smalllisp { font-size:smaller } |
| span.sc { font-variant:small-caps } |
| span.roman { font-family:serif; font-weight:normal; } |
| span.sansserif { font-family:sans-serif; font-weight:normal; } |
| --></style> |
| </head> |
| <body> |
| <div class="node"> |
| <a name="RX-Directives"></a> |
| <a name="RX_002dDirectives"></a> |
| <p> |
| Next: <a rel="next" accesskey="n" href="RX_002dFloat.html#RX_002dFloat">RX-Float</a>, |
| Previous: <a rel="previous" accesskey="p" href="RX_002dModifiers.html#RX_002dModifiers">RX-Modifiers</a>, |
| Up: <a rel="up" accesskey="u" href="RX_002dDependent.html#RX_002dDependent">RX-Dependent</a> |
| <hr> |
| </div> |
| |
| <h4 class="subsection">9.40.3 Assembler Directives</h4> |
| |
| <p><a name="index-assembler-directives_002c-RX-2035"></a><a name="index-RX-assembler-directives-2036"></a> |
| The RX version of <code>as</code> has the following specific |
| assembler directives: |
| |
| <dl> |
| <dt><code>.3byte</code><dd><a name="index-assembler-directive-_002e3byte_002c-RX-2037"></a><a name="index-RX-assembler-directive-_002e3byte-2038"></a>Inserts a 3-byte value into the output file at the current location. |
| |
| <br><dt><code>.fetchalign</code><dd><a name="index-assembler-directive-_002efetchalign_002c-RX-2039"></a><a name="index-RX-assembler-directive-_002efetchalign-2040"></a>If the next opcode following this directive spans a fetch line |
| boundary (8 byte boundary), the opcode is aligned to that boundary. |
| If the next opcode does not span a fetch line, this directive has no |
| effect. Note that one or more labels may be between this directive |
| and the opcode; those labels are aligned as well. Any inserted bytes |
| due to alignment will form a NOP opcode. |
| |
| </dl> |
| |
| </body></html> |
| |