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-rw-r--r--sysdeps/libm-i387/e_atanh.S101
1 files changed, 0 insertions, 101 deletions
diff --git a/sysdeps/libm-i387/e_atanh.S b/sysdeps/libm-i387/e_atanh.S
deleted file mode 100644
index 231e96f57f..0000000000
--- a/sysdeps/libm-i387/e_atanh.S
+++ /dev/null
@@ -1,101 +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)
- 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_atanh)
- movl 8(%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, 8(%esp)
- fldl 4(%esp) // |x| : 0.5*ln2
- fcoml MO(half) // |x| : 0.5*ln2
- fld %st // |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_atanh)