<html lang="en"> <head> <title>MIPS ASE Instruction Generation Overrides - 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="MIPS_002dDependent.html#MIPS_002dDependent" title="MIPS-Dependent"> <link rel="prev" href="MIPS-Option-Stack.html#MIPS-Option-Stack" title="MIPS Option Stack"> <link rel="next" href="MIPS-Floating_002dPoint.html#MIPS-Floating_002dPoint" title="MIPS Floating-Point"> <link href="http://www.gnu.org/software/texinfo/" rel="generator-home" title="Texinfo Homepage"> <!-- This file documents the GNU Assembler "as". Copyright (C) 1991-2015 Free Software Foundation, Inc. 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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="MIPS-ASE-Instruction-Generation-Overrides"></a> <p> Next: <a rel="next" accesskey="n" href="MIPS-Floating_002dPoint.html#MIPS-Floating_002dPoint">MIPS Floating-Point</a>, Previous: <a rel="previous" accesskey="p" href="MIPS-Option-Stack.html#MIPS-Option-Stack">MIPS Option Stack</a>, Up: <a rel="up" accesskey="u" href="MIPS_002dDependent.html#MIPS_002dDependent">MIPS-Dependent</a> <hr> </div> <h4 class="subsection">9.27.12 Directives to control generation of MIPS ASE instructions</h4> <p><a name="index-MIPS-MIPS_002d3D-instruction-generation-override-1517"></a><a name="index-g_t_0040code_007b_002eset-mips3d_007d-1518"></a><a name="index-g_t_0040code_007b_002eset-nomips3d_007d-1519"></a>The directive <code>.set mips3d</code> makes the assembler accept instructions from the MIPS-3D Application Specific Extension from that point on in the assembly. The <code>.set nomips3d</code> directive prevents MIPS-3D instructions from being accepted. <p><a name="index-SmartMIPS-instruction-generation-override-1520"></a><a name="index-g_t_0040code_007b_002eset-smartmips_007d-1521"></a><a name="index-g_t_0040code_007b_002eset-nosmartmips_007d-1522"></a>The directive <code>.set smartmips</code> makes the assembler accept instructions from the SmartMIPS Application Specific Extension to the MIPS32 ISA from that point on in the assembly. The <code>.set nosmartmips</code> directive prevents SmartMIPS instructions from being accepted. <p><a name="index-MIPS-MDMX-instruction-generation-override-1523"></a><a name="index-g_t_0040code_007b_002eset-mdmx_007d-1524"></a><a name="index-g_t_0040code_007b_002eset-nomdmx_007d-1525"></a>The directive <code>.set mdmx</code> makes the assembler accept instructions from the MDMX Application Specific Extension from that point on in the assembly. The <code>.set nomdmx</code> directive prevents MDMX instructions from being accepted. <p><a name="index-MIPS-DSP-Release-1-instruction-generation-override-1526"></a><a name="index-g_t_0040code_007b_002eset-dsp_007d-1527"></a><a name="index-g_t_0040code_007b_002eset-nodsp_007d-1528"></a>The directive <code>.set dsp</code> makes the assembler accept instructions from the DSP Release 1 Application Specific Extension from that point on in the assembly. The <code>.set nodsp</code> directive prevents DSP Release 1 instructions from being accepted. <p><a name="index-MIPS-DSP-Release-2-instruction-generation-override-1529"></a><a name="index-g_t_0040code_007b_002eset-dspr2_007d-1530"></a><a name="index-g_t_0040code_007b_002eset-nodspr2_007d-1531"></a>The directive <code>.set dspr2</code> makes the assembler accept instructions from the DSP Release 2 Application Specific Extension from that point on in the assembly. This directive implies <code>.set dsp</code>. The <code>.set nodspr2</code> directive prevents DSP Release 2 instructions from being accepted. <p><a name="index-MIPS-MT-instruction-generation-override-1532"></a><a name="index-g_t_0040code_007b_002eset-mt_007d-1533"></a><a name="index-g_t_0040code_007b_002eset-nomt_007d-1534"></a>The directive <code>.set mt</code> makes the assembler accept instructions from the MT Application Specific Extension from that point on in the assembly. The <code>.set nomt</code> directive prevents MT instructions from being accepted. <p><a name="index-MIPS-MCU-instruction-generation-override-1535"></a><a name="index-g_t_0040code_007b_002eset-mcu_007d-1536"></a><a name="index-g_t_0040code_007b_002eset-nomcu_007d-1537"></a>The directive <code>.set mcu</code> makes the assembler accept instructions from the MCU Application Specific Extension from that point on in the assembly. The <code>.set nomcu</code> directive prevents MCU instructions from being accepted. <p><a name="index-MIPS-SIMD-Architecture-instruction-generation-override-1538"></a><a name="index-g_t_0040code_007b_002eset-msa_007d-1539"></a><a name="index-g_t_0040code_007b_002eset-nomsa_007d-1540"></a>The directive <code>.set msa</code> makes the assembler accept instructions from the MIPS SIMD Architecture Extension from that point on in the assembly. The <code>.set nomsa</code> directive prevents MSA instructions from being accepted. <p><a name="index-Virtualization-instruction-generation-override-1541"></a><a name="index-g_t_0040code_007b_002eset-virt_007d-1542"></a><a name="index-g_t_0040code_007b_002eset-novirt_007d-1543"></a>The directive <code>.set virt</code> makes the assembler accept instructions from the Virtualization Application Specific Extension from that point on in the assembly. The <code>.set novirt</code> directive prevents Virtualization instructions from being accepted. <p><a name="index-MIPS-eXtended-Physical-Address-_0028XPA_0029-instruction-generation-override-1544"></a><a name="index-g_t_0040code_007b_002eset-xpa_007d-1545"></a><a name="index-g_t_0040code_007b_002eset-noxpa_007d-1546"></a>The directive <code>.set xpa</code> makes the assembler accept instructions from the XPA Extension from that point on in the assembly. The <code>.set noxpa</code> directive prevents XPA instructions from being accepted. <p>Traditional MIPS assemblers do not support these directives. </body></html>