85 lines
5.1 KiB
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85 lines
5.1 KiB
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<title>MIPS ASE instruction generation overrides - Using as</title>
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<meta name="description" content="Using as">
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<link title="Top" rel="start" href="index.html#Top">
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<link rel="up" href="MIPS_002dDependent.html#MIPS_002dDependent" title="MIPS-Dependent">
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<link rel="prev" href="MIPS-option-stack.html#MIPS-option-stack" title="MIPS option stack">
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<!--
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This file documents the GNU Assembler "as".
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Copyright (C) 1991, 92, 93, 94, 95, 96, 97, 98, 99, 2000, 2001, 2002,
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2006, 2007 Free Software Foundation, Inc.
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Permission is granted to copy, distribute and/or modify this document
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under the terms of the GNU Free Documentation License, Version 1.1
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or any later version published by the Free Software Foundation;
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with no Invariant Sections, with no Front-Cover Texts, and with no
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Back-Cover Texts. A copy of the license is included in the
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section entitled ``GNU Free Documentation License''.
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<body>
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<div class="node">
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<p>
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<a name="MIPS-ASE-instruction-generation-overrides"></a>Next: <a rel="next" accesskey="n" href="MIPS-floating_002dpoint.html#MIPS-floating_002dpoint">MIPS floating-point</a>,
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Previous: <a rel="previous" accesskey="p" href="MIPS-option-stack.html#MIPS-option-stack">MIPS option stack</a>,
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Up: <a rel="up" accesskey="u" href="MIPS_002dDependent.html#MIPS_002dDependent">MIPS-Dependent</a>
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<hr><br>
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</div>
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<h4 class="subsection">9.22.9 Directives to control generation of MIPS ASE instructions</h4>
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<p><a name="index-MIPS-MIPS_002d3D-instruction-generation-override-1225"></a><a name="index-_0040code_007b_002eset-mips3d_007d-1226"></a><a name="index-_0040code_007b_002eset-nomips3d_007d-1227"></a>The directive <code>.set mips3d</code> makes the assembler accept instructions
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from the MIPS-3D Application Specific Extension from that point on
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in the assembly. The <code>.set nomips3d</code> directive prevents MIPS-3D
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instructions from being accepted.
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<p><a name="index-SmartMIPS-instruction-generation-override-1228"></a><a name="index-_0040code_007b_002eset-smartmips_007d-1229"></a><a name="index-_0040code_007b_002eset-nosmartmips_007d-1230"></a>The directive <code>.set smartmips</code> makes the assembler accept
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instructions from the SmartMIPS Application Specific Extension to the
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MIPS32 <span class="sc">isa</span> from that point on in the assembly. The
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<code>.set nosmartmips</code> directive prevents SmartMIPS instructions from
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being accepted.
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<p><a name="index-MIPS-MDMX-instruction-generation-override-1231"></a><a name="index-_0040code_007b_002eset-mdmx_007d-1232"></a><a name="index-_0040code_007b_002eset-nomdmx_007d-1233"></a>The directive <code>.set mdmx</code> makes the assembler accept instructions
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from the MDMX Application Specific Extension from that point on
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in the assembly. The <code>.set nomdmx</code> directive prevents MDMX
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instructions from being accepted.
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<p><a name="index-MIPS-DSP-Release-1-instruction-generation-override-1234"></a><a name="index-_0040code_007b_002eset-dsp_007d-1235"></a><a name="index-_0040code_007b_002eset-nodsp_007d-1236"></a>The directive <code>.set dsp</code> makes the assembler accept instructions
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from the DSP Release 1 Application Specific Extension from that point
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on in the assembly. The <code>.set nodsp</code> directive prevents DSP
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Release 1 instructions from being accepted.
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<p><a name="index-MIPS-DSP-Release-2-instruction-generation-override-1237"></a><a name="index-_0040code_007b_002eset-dspr2_007d-1238"></a><a name="index-_0040code_007b_002eset-nodspr2_007d-1239"></a>The directive <code>.set dspr2</code> makes the assembler accept instructions
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from the DSP Release 2 Application Specific Extension from that point
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on in the assembly. This dirctive implies <code>.set dsp</code>. The
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<code>.set nodspr2</code> directive prevents DSP Release 2 instructions from
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being accepted.
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<p><a name="index-MIPS-MT-instruction-generation-override-1240"></a><a name="index-_0040code_007b_002eset-mt_007d-1241"></a><a name="index-_0040code_007b_002eset-nomt_007d-1242"></a>The directive <code>.set mt</code> makes the assembler accept instructions
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from the MT Application Specific Extension from that point on
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in the assembly. The <code>.set nomt</code> directive prevents MT
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instructions from being accepted.
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<p>Traditional <span class="sc">mips</span> assemblers do not support these directives.
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</body></html>
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