diff options
Diffstat (limited to 'sysdeps/libm-i387/e_log10.S')
-rw-r--r-- | sysdeps/libm-i387/e_log10.S | 59 |
1 files changed, 0 insertions, 59 deletions
diff --git a/sysdeps/libm-i387/e_log10.S b/sysdeps/libm-i387/e_log10.S deleted file mode 100644 index 2c8488c3a9..0000000000 --- a/sysdeps/libm-i387/e_log10.S +++ /dev/null @@ -1,59 +0,0 @@ -/* - * Written by J.T. Conklin <jtc@netbsd.org>. - * Public domain. - * - * Changed to use fyl2xp1 for values near 1, <drepper@cygnus.com>. - */ - -#include <machine/asm.h> - -RCSID("$NetBSD: e_log10.S,v 1.4 1995/05/08 23:49:24 jtc Exp $") - -#ifdef __ELF__ - .section .rodata -#else - .text -#endif - .align ALIGNARG(4) - ASM_TYPE_DIRECTIVE(one,@object) -one: .double 1.0 - ASM_SIZE_DIRECTIVE(one) - /* It is not important that this constant is precise. It is only - a value which is known to be on the safe side for using the - fyl2xp1 instruction. */ - ASM_TYPE_DIRECTIVE(limit,@object) -limit: .double 0.29 - ASM_SIZE_DIRECTIVE(limit) - - -#ifdef PIC -#define MO(op) op##@GOTOFF(%edx) -#else -#define MO(op) op -#endif - - .text -ENTRY(__ieee754_log10) - fldlg2 // log10(2) - fldl 4(%esp) // x : log10(2) -#ifdef PIC - call 1f -1: popl %edx - addl $_GLOBAL_OFFSET_TABLE_+[.-1b], %edx -#endif - fld %st // x : x : log10(2) - fsubl MO(one) // x-1 : x : log10(2) - fld %st // x-1 : x-1 : x : log10(2) - fabs // |x-1| : x-1 : x : log10(2) - fcompl MO(limit) // x-1 : x : log10(2) - fnstsw // x-1 : x : log10(2) - andb $0x45, %ah - jz 2f - fstp %st(1) // x-1 : log10(2) - fyl2xp1 // log10(x) - ret - -2: fstp %st(0) // x : log10(2) - fyl2x // log10(x) - ret -END (__ieee754_log10) |