diff options
Diffstat (limited to 'sysdeps/i386/fpu/s_asinhl.S')
| -rw-r--r-- | sysdeps/i386/fpu/s_asinhl.S | 144 |
1 files changed, 0 insertions, 144 deletions
diff --git a/sysdeps/i386/fpu/s_asinhl.S b/sysdeps/i386/fpu/s_asinhl.S deleted file mode 100644 index f31a267e78..0000000000 --- a/sysdeps/i386/fpu/s_asinhl.S +++ /dev/null @@ -1,144 +0,0 @@ -/* ix87 specific implementation of arcsinh. - Copyright (C) 1996-2017 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 Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 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 - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, see - <http://www.gnu.org/licenses/>. */ - -#include <machine/asm.h> - - .section .rodata - - .align ALIGNARG(4) - .type 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. */ - .type 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. */ - .type 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 - LOAD_PIC_REG (dx) -#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) - fadd %st - 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 - LOAD_PIC_REG (dx) -#endif - jecxz 4f - fchs // x -4: fld %st // x : x - fldt MO(huge) // huge : x : x - faddp // huge+x : x - fstp %st(0) // x - cmpl $0x0001, %eax - jae 8f - fld %st(0) - fmul %st(0) - fstp %st(0) -8: 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) |