From f95a4a932476be2ba99e2fd081e8d2bc6ea12813 Mon Sep 17 00:00:00 2001 From: PikalaxALT Date: Fri, 15 Dec 2017 09:38:53 -0500 Subject: Import newlib and create makefile --- newlib/libc/machine/i386/f_ldexpf.S | 33 +++++++++++++++++++++++++++++++++ 1 file changed, 33 insertions(+) create mode 100644 newlib/libc/machine/i386/f_ldexpf.S (limited to 'newlib/libc/machine/i386/f_ldexpf.S') diff --git a/newlib/libc/machine/i386/f_ldexpf.S b/newlib/libc/machine/i386/f_ldexpf.S new file mode 100644 index 0000000..e2bf387 --- /dev/null +++ b/newlib/libc/machine/i386/f_ldexpf.S @@ -0,0 +1,33 @@ +/* + * ==================================================== + * Copyright (C) 1998 by Cygnus Solutions. All rights reserved. + * + * Permission to use, copy, modify, and distribute this + * software is freely granted, provided that this notice + * is preserved. + * ==================================================== + */ + +/* +Fast version of ldexpf using Intel float instructions. + + float _f_ldexpf (float x, int exp); + +Function calculates x * 2 ** exp. +There is no error checking or setting of errno. +*/ + + #include "i386mach.h" + + .global SYM (_f_ldexpf) + +SYM (_f_ldexpf): + pushl ebp + movl esp,ebp + fild 12(ebp) + flds 8(ebp) + fscale + fstp st1 + + leave + ret -- cgit v1.2.3