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authorUlrich Drepper <drepper@redhat.com>1999-07-14 00:54:57 +0000
committerUlrich Drepper <drepper@redhat.com>1999-07-14 00:54:57 +0000
commitabfbdde177c3a7155070dda1b2cdc8292054cc26 (patch)
treee021306b596381fbf8311d2b7eb294e918ff17c8 /sysdeps/libm-i387/e_atanhf.S
parent86421aa57ecfd70963ae66848bd6a6dd3b8e0fe6 (diff)
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Update.
Diffstat (limited to 'sysdeps/libm-i387/e_atanhf.S')
-rw-r--r--sysdeps/libm-i387/e_atanhf.S102
1 files changed, 0 insertions, 102 deletions
diff --git a/sysdeps/libm-i387/e_atanhf.S b/sysdeps/libm-i387/e_atanhf.S
deleted file mode 100644
index 687d4c97fb..0000000000
--- a/sysdeps/libm-i387/e_atanhf.S
+++ /dev/null
@@ -1,102 +0,0 @@
-/* ix87 specific implementation of arctanh function.
-   Copyright (C) 1996 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996.
-
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Library General Public License as
-   published by the Free Software Foundation; either version 2 of the
-   License, or (at your option) any later version.
-
-   The GNU C Library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Library General Public License for more details.
-
-   You should have received a copy of the GNU Library General Public
-   License along with the GNU C Library; see the file COPYING.LIB.  If not,
-   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-   Boston, MA 02111-1307, USA.  */
-
-#include <machine/asm.h>
-
-#ifdef __ELF__
-	.section .rodata
-#else
-	.text
-#endif
-
-	.align ALIGNARG(4)
-	ASM_TYPE_DIRECTIVE(half,@object)
-half:	.double 0.5
-	ASM_SIZE_DIRECTIVE(half)
-	ASM_TYPE_DIRECTIVE(one,@object)
-one:	.double 1.0
-	ASM_SIZE_DIRECTIVE(one)
-	ASM_TYPE_DIRECTIVE(limit,@object)
-limit:	.double 0.29
-	ASM_SIZE_DIRECTIVE(limit)
-	.align ALIGNARG(4)
-	ASM_TYPE_DIRECTIVE(ln2_2,@object)
-ln2_2:	.tfloat 0.3465735902799726547086160
-	ASM_SIZE_DIRECTIVE(ln2_2)
-
-#ifdef PIC
-#define MO(op) op##@GOTOFF(%edx)
-#else
-#define MO(op) op
-#endif
-
-	.text
-ENTRY(__ieee754_atanhf)
-	movl	4(%esp), %ecx
-
-#ifdef PIC
-	call	1f
-1:	popl	%edx
-	addl	$_GLOBAL_OFFSET_TABLE_+[.-1b], %edx
-#endif
-
-	andl	$0x80000000, %ecx // ECX == 0 iff X >= 0
-
-	fldt	MO(ln2_2)	// 0.5*ln2
-	xorl	%ecx, 4(%esp)
-	flds	4(%esp)		// |x| : 0.5*ln2
-	fcoml	MO(half)	// |x| : 0.5*ln2
-	fld	%st(0)		// |x| : |x| : 0.5*ln2
-	fnstsw			// |x| : |x| : 0.5*ln2
-	sahf
-	jae	2f
-	fadd	%st, %st(1)	// |x| : 2*|x| : 0.5*ln2
-	fld	%st		// |x| : |x| : 2*|x| : 0.5*ln2
-	fsubrl	MO(one)		// 1-|x| : |x| : 2*|x| : 0.5*ln2
-	fxch			// |x| : 1-|x| : 2*|x| : 0.5*ln2
-	fmul	%st(2)		// 2*|x|^2 : 1-|x| : 2*|x| : 0.5*ln2
-	fdivp			// (2*|x|^2)/(1-|x|) : 2*|x| : 0.5*ln2
-	faddp			// 2*|x|+(2*|x|^2)/(1-|x|) : 0.5*ln2
-	fcoml	MO(limit)	// 2*|x|+(2*|x|^2)/(1-|x|) : 0.5*ln2
-	fnstsw			// 2*|x|+(2*|x|^2)/(1-|x|) : 0.5*ln2
-	sahf
-	jae	4f
-	fyl2xp1			// 0.5*ln2*ld(1+2*|x|+(2*|x|^2)/(1-|x|))
-	jecxz	3f
-	fchs			// 0.5*ln2*ld(1+2*x+(2*x^2)/(1-x))
-3:	ret
-
-	.align ALIGNARG(4)
-4:	faddl	MO(one)		// 1+2*|x|+(2*|x|^2)/(1-|x|) : 0.5*ln2
-	fyl2x			// 0.5*ln2*ld(1+2*|x|+(2*|x|^2)/(1-|x|))
-	jecxz	3f
-	fchs			// 0.5*ln2*ld(1+2*x+(2*x^2)/(1-x))
-3:	ret
-
-	.align ALIGNARG(4)
-2:	faddl	MO(one)		// 1+|x| : |x| : 0.5*ln2
-	fxch			// |x| : 1+|x| : 0.5*ln2
-	fsubrl	MO(one)		// 1-|x| : 1+|x| : 0.5*ln2
-	fdivrp			// (1+|x|)/(1-|x|) : 0.5*ln2
-	fyl2x			// 0.5*ln2*ld((1+|x|)/(1-|x|))
-	jecxz	3f
-	fchs			// 0.5*ln2*ld((1+x)/(1-x))
-3:	ret
-END(__ieee754_atanhf)