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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/s_asinhl.S
parent86421aa57ecfd70963ae66848bd6a6dd3b8e0fe6 (diff)
downloadglibc-abfbdde177c3a7155070dda1b2cdc8292054cc26.tar.gz
Update.
Diffstat (limited to 'sysdeps/libm-i387/s_asinhl.S')
-rw-r--r--sysdeps/libm-i387/s_asinhl.S147
1 files changed, 0 insertions, 147 deletions
diff --git a/sysdeps/libm-i387/s_asinhl.S b/sysdeps/libm-i387/s_asinhl.S
deleted file mode 100644
index 62e29bc58e..0000000000
--- a/sysdeps/libm-i387/s_asinhl.S
+++ /dev/null
@@ -1,147 +0,0 @@
-/* ix87 specific implementation of arcsinh.
- Copyright (C) 1996, 1997 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(huge,@object)
-huge: .tfloat 1e+4930
- ASM_SIZE_DIRECTIVE(huge)
- .align ALIGNARG(4)
- /* Please note that we use double value for 1.0. This number
- has an exact representation and so we don't get accuracy
- problems. The advantage is that the code is simpler. */
- 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(__asinhl)
- movl 12(%esp), %ecx
- movl $0x7fff, %eax
- andl %ecx, %eax
- andl $0x8000, %ecx
- movl %eax, %edx
- orl $0xffff8000, %edx
- incl %edx
- jz 7f // x in ħInf or NaN
- xorl %ecx, 12(%esp)
- fldt 4(%esp) // |x|
- cmpl $0x3fde, %eax
- jb 2f // |x| < 2^-34
- fldln2 // log(2) : |x|
- cmpl $0x4020, %eax
- fxch // |x| : log(2)
- ja 3f // |x| > 2^34
-#ifdef PIC
- call 1f
-1: popl %edx
- addl $_GLOBAL_OFFSET_TABLE_+[.-1b], %edx
-#endif
- cmpl $0x4000, %eax
- ja 5f // |x| > 2
-
- // 2^-34 <= |x| <= 2 => y = sign(x)*log1p(|x|+|x|^2/(1+sqrt(1+|x|^2)))
- fld %st // |x| : |x| : log(2)
- fmul %st(1) // |x|^2 : |x| : log(2)
- fld %st // |x|^2 : |x|^2 : |x| : log(2)
- faddl MO(one) // 1+|x|^2 : |x|^2 : |x| : log(2)
- fsqrt // sqrt(1+|x|^2) : |x|^2 : |x| : log(2)
- faddl MO(one) // 1+sqrt(1+|x|^2) : |x|^2 : |x| : log(2)
- fdivrp // |x|^2/(1+sqrt(1+|x|^2)) : |x| : log(2)
- faddp // |x|+|x|^2/(1+sqrt(1+|x|^2)) : log(2)
- fcoml MO(limit)
- fnstsw
- sahf
- ja 6f
- fyl2xp1
- jecxz 4f
- fchs
-4: ret
-
-7: fldt 4(%esp)
- ret
-
-6: faddl MO(one)
- fyl2x
- jecxz 4f
- fchs
-4: ret
-
- // |x| < 2^-34 => y = x (inexact iff |x| != 0.0)
- .align ALIGNARG(4)
-2:
-#ifdef PIC
- call 1f
-1: popl %edx
- addl $_GLOBAL_OFFSET_TABLE_+[.-1b], %edx
-#endif
- jecxz 4f
- fchs // x
-4: fld %st // x : x
- fldt MO(huge) // huge : x : x
- faddp // huge+x : x
- fstp %st(0) // x
- ret
-
- // |x| > 2^34 => y = sign(x) * (log(|x|) + log(2))
- .align ALIGNARG(4)
-3: fyl2x // log(|x|)
- fldln2 // log(2) : log(|x|)
- faddp // log(|x|)+log(2)
- jecxz 4f
- fchs
-4: ret
-
- // |x| > 2 => y = sign(x) * log(2*|x| + 1/(|x|+sqrt(x*x+1)))
- .align ALIGNARG(4)
-5: fld %st // |x| : |x| : log(2)
- fadd %st, %st(1) // |x| : 2*|x| : log(2)
- fld %st // |x| : |x| : 2*|x| : log(2)
- fmul %st(1) // |x|^2 : |x| : 2*|x| : log(2)
- faddl MO(one) // 1+|x|^2 : |x| : 2*|x| : log(2)
- fsqrt // sqrt(1+|x|^2) : |x| : 2*|x| : log(2)
- faddp // |x|+sqrt(1+|x|^2) : 2*|x| : log(2)
- fdivrl MO(one) // 1/(|x|+sqrt(1+|x|^2)) : 2*|x| : log(2)
- faddp // 2*|x|+1/(|x|+sqrt(1+|x|^2)) : log(2)
- fyl2x // log(2*|x|+1/(|x|+sqrt(1+|x|^2)))
- jecxz 4f
- fchs
-4: ret
-END(__asinhl)
-weak_alias (__asinhl, asinhl)