diff options
Diffstat (limited to 'sysdeps/i386/fpu/s_log1p.S')
| -rw-r--r-- | sysdeps/i386/fpu/s_log1p.S | 67 |
1 files changed, 0 insertions, 67 deletions
diff --git a/sysdeps/i386/fpu/s_log1p.S b/sysdeps/i386/fpu/s_log1p.S deleted file mode 100644 index 7978e76095..0000000000 --- a/sysdeps/i386/fpu/s_log1p.S +++ /dev/null @@ -1,67 +0,0 @@ -/* - * Written by J.T. Conklin <jtc@netbsd.org>. - * Public domain. - */ - -#include <machine/asm.h> -#include <i386-math-asm.h> - -RCSID("$NetBSD: s_log1p.S,v 1.7 1995/05/09 00:10:58 jtc Exp $") - - .section .rodata - - .align ALIGNARG(4) - /* The fyl2xp1 can only be used for values in - -1 + sqrt(2) / 2 <= x <= 1 - sqrt(2) / 2 - 0.29 is a safe value. - */ -limit: .double 0.29 -one: .double 1.0 - -DEFINE_DBL_MIN - -#ifdef PIC -# define MO(op) op##@GOTOFF(%edx) -#else -# define MO(op) op -#endif - -/* - * Use the fyl2xp1 function when the argument is in the range -0.29 to 0.29, - * otherwise fyl2x with the needed extra computation. - */ - .text -ENTRY(__log1p) - fldln2 - - fldl 4(%esp) - -#ifdef PIC - LOAD_PIC_REG (dx) -#endif - - fxam - fnstsw - fld %st - sahf - jc 3f // in case x is NaN or ħInf -4: fabs - fcompl MO(limit) - fnstsw - sahf - jc 2f - - faddl MO(one) - fyl2x - ret - -2: fyl2xp1 - DBL_CHECK_FORCE_UFLOW_NONNAN - ret - -3: jp 4b // in case x is ħInf - fstp %st(1) - fstp %st(1) - ret - -END (__log1p) |