glibc/sysdeps/libm-i387/s_sin.S

/*
 * Written by J.T. Conklin <jtc@netbsd.org>.
 * Public domain.
 */

#include <machine/asm.h>

RCSID("$NetBSD: s_sin.S,v 1.5 1995/05/09 00:25:54 jtc Exp $")

ENTRY(__sin)
	fldl	4(%esp)
	fsin
	fnstsw	%ax
	andw	$0x400,%ax
	jnz	1f
	ret
1:	fldpi
	fadd	%st(0)
	fxch	%st(1)
2:	fprem1
	fnstsw	%ax
	andw	$0x400,%ax
	jnz	2b
	fstp	%st(1)
	fsin
	ret
weak_alias (__sin, sin)
Mon Mar 4 20:54:40 1996 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * Makeconfig ($(common-objpfx)config.make): Depend on config.h.in. Mon Mar 4 17:35:09 1996 Roland McGrath <roland@charlie-brown.gnu.ai.mit.edu> * hurd/catch-signal.c (hurd_safe_memmove): New function. (hurd_safe_copyin, hurd_safe_copyout): New functions. * hurd/hurd/sigpreempt.h: Declare them. Sun Mar 3 08:43:44 1996 Roland McGrath <roland@charlie-brown.gnu.ai.mit.edu> Replace math code with fdlibm from Sun as modified for netbsd by JT Conklin and Ian Taylor, including x86 FPU support. * sysdeps/libm-ieee754, sysdeps/libm-i387: New directories. * math/math_private.h: New file. * sysdeps/i386/fpu/Implies: New file. * sysdeps/ieee754/Implies: New file. * math/machine/asm.h, math/machine/endian.h: New files. * math/Makefile, math/math.h: Rewritten. * mathcalls.h, math/mathcalls.h: New file, broken out of math.h. * math/finite.c: File removed. * sysdeps/generic/Makefile [$(subdir)=math]: Frobnication removed. * math/test-math.c: Include errno.h and string.h. * sysdeps/unix/bsd/dirstream.h: File removed. * sysdeps/unix/bsd/readdir.c: File removed. 1996-03-05 21:41:30 +00:00			`/*`
			`* Written by J.T. Conklin <jtc@netbsd.org>.`
			`* Public domain.`
			`*/`

			`#include <machine/asm.h>`

			`RCSID("$NetBSD: s_sin.S,v 1.5 1995/05/09 00:25:54 jtc Exp $")`

			`ENTRY(__sin)`
			`fldl 4(%esp)`
			`fsin`
			`fnstsw %ax`
			`andw $0x400,%ax`
			`jnz 1f`
			`ret`
			`1: fldpi`
			`fadd %st(0)`
			`fxch %st(1)`
			`2: fprem1`
			`fnstsw %ax`
			`andw $0x400,%ax`
			`jnz 2b`
			`fstp %st(1)`
			`fsin`
			`ret`
			`weak_alias (__sin, sin)`