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Diffstat (limited to 'newlib/libm/machine/i386/f_tan.S')
-rw-r--r-- | newlib/libm/machine/i386/f_tan.S | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/newlib/libm/machine/i386/f_tan.S b/newlib/libm/machine/i386/f_tan.S new file mode 100644 index 000000000..ae0431f4a --- /dev/null +++ b/newlib/libm/machine/i386/f_tan.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 tan using Intel float instructions. + + double _f_tan (double x); + +Function calculates the tangent of x. +There is no error checking or setting of errno. +*/ + + #include "i386mach.h" + + .global SYM (_f_tan) + SOTYPE_FUNCTION(_f_tan) + +SYM (_f_tan): + pushl ebp + movl esp,ebp + fldl 8(ebp) + fptan + fincstp + + leave + ret |