glibc/sysdeps/i386/fpu/e_log10f.S
Ulrich Drepper fee732e531 * intl/Makefile (tst-gettext[45].out): Pass also $(run-program-prefix)
as argument to the scripts.
	* intl/tst-gettext2.sh: Use mkdir -p instead of test -d + mkdir.
	* intl/tst-gettext4.sh: Likewise.  Use run_program_prefix argument.
	* intl/tst-gettext5.sh: Likewise.

	* intl/tst-translit.sh: Add mkdir -p.

	* sysdeps/unix/sysv/linux/i386/sysdep.h (SETUP_PIC_REG): Use
	.ifndef/.endif to allow use of this macro more than once per .S
	file.
	(LOAD_PIC_REG): New macro.
	* sysdeps/unix/sysv/linux/i386/makecontext.S: Add call frame
	information.
	* sysdeps/unix/sysv/linux/i386/getcontext.S: Likewise.
	* sysdeps/unix/sysv/linux/i386/vfork.S: Likewise.
	* sysdeps/i386/fpu/s_asinh.S: Use LOAD_PIC_REG macro.  Add call frame
	information.
	* sysdeps/i386/fpu/e_log10f.S: Likewise.
	* sysdeps/i386/fpu/s_expm1.S: Likewise.
	* sysdeps/i386/fpu/e_acoshf.S: Likewise.
	* sysdeps/i386/fpu/e_log2l.S: Likewise.
	* sysdeps/i386/fpu/s_log1pf.S: Likewise.
	* sysdeps/i386/fpu/s_lrint.S: Likewise.
	* sysdeps/i386/fpu/s_llrint.S: Likewise.
	* sysdeps/i386/fpu/s_ilogbf.S: Likewise.
	* sysdeps/i386/fpu/s_cbrtl.S: Likewise.
	* sysdeps/i386/fpu/s_asinhf.S: Likewise.
	* sysdeps/i386/fpu/e_log.S: Likewise.
	* sysdeps/i386/fpu/e_atanhf.S: Likewise.
	* sysdeps/i386/fpu/s_lrintl.S: Likewise.
	* sysdeps/i386/fpu/e_atanhl.S: Likewise.
	* sysdeps/i386/fpu/e_scalb.S: Likewise.
	* sysdeps/i386/fpu/s_log1p.S: Likewise.
	* sysdeps/i386/fpu/s_nearbyintl.S: Likewise.
	* sysdeps/i386/fpu/s_frexpl.S: Likewise.
	* sysdeps/i386/fpu/s_log1pl.S: Likewise.
	* sysdeps/i386/fpu/s_nearbyintf.S: Likewise.
	* sysdeps/i386/fpu/s_cbrt.S: Likewise.
	* sysdeps/i386/fpu/s_expm1l.S: Likewise.
	* sysdeps/i386/fpu/s_lrintf.S: Likewise.
	* sysdeps/i386/fpu/e_acosh.S: Likewise.
	* sysdeps/i386/fpu/s_cexp.S: Likewise.
	* sysdeps/i386/fpu/s_ilogbl.S: Likewise.
	* sysdeps/i386/fpu/s_expm1f.S: Likewise.
	* sysdeps/i386/fpu/e_powl.S: Likewise.
	* sysdeps/i386/fpu/e_powf.S: Likewise.
	* sysdeps/i386/fpu/e_scalbf.S: Likewise.
	* sysdeps/i386/fpu/e_logl.S: Likewise.
	* sysdeps/i386/fpu/e_acoshl.S: Likewise.
	* sysdeps/i386/fpu/s_frexp.S: Likewise.
	* sysdeps/i386/fpu/e_pow.S: Likewise.
	* sysdeps/i386/fpu/e_logf.S: Likewise.
	* sysdeps/i386/fpu/e_log2.S: Likewise.
	* sysdeps/i386/fpu/s_frexpf.S: Likewise.
	* sysdeps/i386/fpu/s_cexpl.S: Likewise.
	* sysdeps/i386/fpu/s_llrintf.S: Likewise.
	* sysdeps/i386/fpu/s_ilogb.S: Likewise.
	* sysdeps/i386/fpu/e_scalbl.S: Likewise.
	* sysdeps/i386/fpu/e_atanh.S: Likewise.
	* sysdeps/i386/fpu/e_log10.S: Likewise.
	* sysdeps/i386/fpu/s_cbrtf.S: Likewise.
	* sysdeps/i386/fpu/s_cexpf.S: Likewise.
	* sysdeps/i386/fpu/s_llrintl.S: Likewise.
	* sysdeps/i386/fpu/e_log10l.S: Likewise.
	* sysdeps/i386/fpu/s_nearbyint.S: Likewise.
	* sysdeps/i386/fpu/s_asinhl.S: Likewise.
	* sysdeps/i386/fpu/e_log2f.S: Likewise.
	* sysdeps/i386/addmul_1.S: Various fixes to cfi handling.
	* sysdeps/i386/mul_1.S: Likewise.
	* sysdeps/i386/strtok.S: Likewise.
	* sysdeps/i386/sub_n.S: Likewise.
	* sysdeps/i386/submul_1.S: Likewise.
	* sysdeps/i386/i586/addmul_1.S: Likewise.
	* sysdeps/i386/i586/memcpy.S: Likewise.
	* sysdeps/i386/i586/mul_1.S: Likewise.
	* sysdeps/i386/i586/rshift.S: Likewise.
	* sysdeps/i386/i586/sub_n.S: Likewise.
	* sysdeps/i386/i586/submul_1.S: Likewise.
	* sysdeps/i386/i686/memcmp.S: Likewise.
	* sysdeps/i386/i686/memmove.S: Likewise.
	* sysdeps/unix/sysv/linux/i386/clone.S: Likewise.
	* sysdeps/unix/sysv/linux/i386/mmap.S: Likewise.
	* sysdeps/unix/sysv/linux/i386/mmap64.S: Likewise.
	* sysdeps/unix/sysv/linux/i386/setcontext.S: Likewise.
2005-05-04 17:58:13 +00:00

68 lines
1.3 KiB
ArmAsm

/*
* Written by J.T. Conklin <jtc@netbsd.org>.
* Public domain.
* Adapted for float type by Ulrich Drepper <drepper@cygnus.com>.
*
* Changed to use fyl2xp1 for values near 1, <drepper@cygnus.com>.
*/
#include <machine/asm.h>
RCSID("$NetBSD: $")
#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_log10f)
fldlg2 // log10(2)
flds 4(%esp) // x : log10(2)
#ifdef PIC
LOAD_PIC_REG (dx)
#endif
fxam
fnstsw
fld %st // x : x : log10(2)
sahf
jc 3f // in case x is NaN or ±Inf
4: 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
3: jp 4b // in case x is ±Inf
fstp %st(1)
fstp %st(1)
ret
END (__ieee754_log10f)