<html lang="en"> <head> <title>MIPS Floating-Point - 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-ASE-Instruction-Generation-Overrides.html#MIPS-ASE-Instruction-Generation-Overrides" title="MIPS ASE Instruction Generation Overrides"> <link rel="next" href="MIPS-Syntax.html#MIPS-Syntax" title="MIPS Syntax"> <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. 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="MIPS-Floating-Point"></a> <a name="MIPS-Floating_002dPoint"></a> <p> Next: <a rel="next" accesskey="n" href="MIPS-Syntax.html#MIPS-Syntax">MIPS Syntax</a>, Previous: <a rel="previous" accesskey="p" href="MIPS-ASE-Instruction-Generation-Overrides.html#MIPS-ASE-Instruction-Generation-Overrides">MIPS ASE Instruction Generation Overrides</a>, Up: <a rel="up" accesskey="u" href="MIPS_002dDependent.html#MIPS_002dDependent">MIPS-Dependent</a> <hr> </div> <h4 class="subsection">9.27.13 Directives to override floating-point options</h4> <p><a name="index-Disable-floating_002dpoint-instructions-1547"></a><a name="index-g_t_0040code_007b_002eset-softfloat_007d-1548"></a><a name="index-g_t_0040code_007b_002eset-hardfloat_007d-1549"></a>The directives <code>.set softfloat</code> and <code>.set hardfloat</code> provide finer control of disabling and enabling float-point instructions. These directives always override the default (that hard-float instructions are accepted) or the command-line options (‘<samp><span class="samp">-msoft-float</span></samp>’ and ‘<samp><span class="samp">-mhard-float</span></samp>’). <p><a name="index-Disable-single_002dprecision-floating_002dpoint-operations-1550"></a><a name="index-g_t_0040code_007b_002eset-singlefloat_007d-1551"></a><a name="index-g_t_0040code_007b_002eset-doublefloat_007d-1552"></a>The directives <code>.set singlefloat</code> and <code>.set doublefloat</code> provide finer control of disabling and enabling double-precision float-point operations. These directives always override the default (that double-precision operations are accepted) or the command-line options (‘<samp><span class="samp">-msingle-float</span></samp>’ and ‘<samp><span class="samp">-mdouble-float</span></samp>’). <p>Traditional MIPS assemblers do not support these directives. </body></html>