From d38cd08ca397c59fc98dba8c4d0b4bd96c899c9e Mon Sep 17 00:00:00 2001 From: Ulrich Drepper Date: Mon, 30 Dec 1996 01:47:46 +0000 Subject: update from main archive 961229 Mon Dec 30 01:32:59 1996 Ulrich Drepper * tme/localtime.c: Rewrite so that localtime_r does not call tzset, but localtime does. * features.h: Rename ANSI C to ISO C. Mention __GLIBC__ and __GLIBC_MINOR__ macros. * gnu-versions.h: Add _GNU_GETOPT_INTERFACE_VERSION. * posix/getopt.c: Use _GNU_GETOPT_INTERFACE_VERSION to check whether we can elide the code. * posix/getopt1.c: Likewise. * posix/Makefile: Correct copyright. * elf/dl-error.c (_dl_catch_error): Clear `catch' also when error occurred. * elf/dl-support.c (_dl_sysdep_open_zero_fill): Don't define if MAP_ANON is defined. * elf/eval.c: Use __getline instead of getline. * elf/rtld.c (dl_main): Check return value of _dl_new_object function for NULL. * sysdeps/generic/dl-cache.c: Update copyright. * signal/Makefile: Correct copyright. (routines): Remove gsignal and ssignal. Add bsd_signal. * signal/gsignal.c: Removed. Now is made an alias. * signal/ssignal.c: Likewise. * sysdeps/posix/raise.c: Add alias gsignal. * sysdeps/stub/raise.c: Likewise. * sysdeps/posix/signal.c: Add alias ssignal. * sysdeps/stub/signal.c: Likewise. * signal/signal.h: Declare bsd_signal. Define signal as bsd_signal if __FAVOR_BSD. * sysdeps/posix/bsd_signal.c: New file. Implementation of XPG function. * sysdeps/unix/sysv/linux/signal.c: Add explanation. * socket/sys/un.h: Define SUN_LEN according to POSIX.1g. * stdio-common/Makefile (tests): Add scanf10. * stdio-common/scanf10.c: New file. * stdio-common/vfscanf.c: Decrement counter if EOF is read while reading string. * sysdeps/libm-i387/e_acos.S: Use END, not PSEUDO_END. * sysdeps/libm-i387/e_acosl.S: Likewise. * sysdeps/libm-i387/e_asin.S: Likewise. * sysdeps/libm-i387/e_asinl.S: Likewise. * sysdeps/libm-i387/e_atan2.S: Likewise. * sysdeps/libm-i387/e_atan2f.S: Likewise. * sysdeps/libm-i387/e_atan2l.S: Likewise. * sysdeps/libm-i387/e_exp.S: Likewise. * sysdeps/libm-i387/e_expl.S: Likewise. * sysdeps/libm-i387/e_fmod.S: Likewise. * sysdeps/libm-i387/e_fmodl.S: Likewise. * sysdeps/libm-i387/e_log.S: Likewise. * sysdeps/libm-i387/e_log10.S: Likewise. * sysdeps/libm-i387/e_log10l.S: Likewise. * sysdeps/libm-i387/e_logl.S: Likewise. * sysdeps/libm-i387/e_remainder.S: Likewise. * sysdeps/libm-i387/e_remainderf.S: Likewise. * sysdeps/libm-i387/e_remainderl.S: Likewise. * sysdeps/libm-i387/e_scalb.S: Likewise. * sysdeps/libm-i387/e_scalbl.S: Likewise. * sysdeps/libm-i387/e_sqrt.S: Likewise. * sysdeps/libm-i387/e_sqrtf.S: Likewise. * sysdeps/libm-i387/e_sqrtl.S: Likewise. * sysdeps/libm-i387/s_atan.S: Likewise. * sysdeps/libm-i387/s_atanf.S: Likewise. * sysdeps/libm-i387/s_atanl.S: Likewise. * sysdeps/libm-i387/s_ceil.S: Likewise. * sysdeps/libm-i387/s_ceilf.S: Likewise. * sysdeps/libm-i387/s_ceill.S: Likewise. * sysdeps/libm-i387/s_copysign.S: Likewise. * sysdeps/libm-i387/s_copysignf.S: Likewise. * sysdeps/libm-i387/s_copysignl.S: Likewise. * sysdeps/libm-i387/s_cos.S: Likewise. * sysdeps/libm-i387/s_cosf.S: Likewise. * sysdeps/libm-i387/s_cosl.S: Likewise. * sysdeps/libm-i387/s_finite.S: Likewise. * sysdeps/libm-i387/s_finitef.S: Likewise. * sysdeps/libm-i387/s_finitel.S: Likewise. * sysdeps/libm-i387/s_floor.S: Likewise. * sysdeps/libm-i387/s_floorf.S: Likewise. * sysdeps/libm-i387/s_floorl.S: Likewise. * sysdeps/libm-i387/s_ilogb.S: Likewise. * sysdeps/libm-i387/s_ilogbf.S: Likewise. * sysdeps/libm-i387/s_ilogbl.S: Likewise. * sysdeps/libm-i387/s_log1p.S: Likewise. * sysdeps/libm-i387/s_log1pf.S: Likewise. * sysdeps/libm-i387/s_log1pl.S: Likewise. * sysdeps/libm-i387/s_logb.S: Likewise. * sysdeps/libm-i387/s_logbf.S: Likewise. * sysdeps/libm-i387/s_logbl.S: Likewise. * sysdeps/libm-i387/s_rint.S: Likewise. * sysdeps/libm-i387/s_rintf.S: Likewise. * sysdeps/libm-i387/s_rintl.S: Likewise. * sysdeps/libm-i387/s_scalbn.S: Likewise. * sysdeps/libm-i387/s_scalbnf.S: Likewise. * sysdeps/libm-i387/s_scalbnl.S: Likewise. * sysdeps/libm-i387/s_significand.S: Likewise. * sysdeps/libm-i387/s_significandf.S: Likewise. * sysdeps/libm-i387/s_significandl.S: Likewise. * sysdeps/libm-i387/s_sin.S: Likewise. * sysdeps/libm-i387/s_sinf.S: Likewise. * sysdeps/libm-i387/s_sinl.S: Likewise. * sysdeps/libm-i387/e_log.S: Use fyl2xp1 instruction for values near 1 to increase precision. * sysdeps/libm-i387/e_log10.S: Likewise. * sysdeps/libm-i387/e_log10l.S: Likewise. * sysdeps/libm-i387/e_logl.S: Likewise. * sysdeps/libm-i387/s_cos.S: Use testl instead of andw. * sysdeps/libm-i387/s_cosl.S: Likewise. * sysdeps/libm-i387/s_sin.S: Likewise. * sysdeps/libm-i387/s_sinl.S: Likewise. * sysdeps/libm-i387/s_tan.S: Likewise. * sysdeps/libm-i387/s_tanl.S: Likewise. * sysdeps/libm-i387/e_acosf.S: New file. Add float versions. * sysdeps/libm-i387/e_asinf.S: Likewise. * sysdeps/libm-i387/e_expf.S: Likewise. * sysdeps/libm-i387/e_fmodf.S: Likewise. * sysdeps/libm-i387/e_log10f.S: Likewise. * sysdeps/libm-i387/e_logf.S: Likewise. * sysdeps/libm-i387/e_scalbf.S: Likewise. * sysdeps/libm-i387/e_acosh.S: New file. Highly optimized versions. * sysdeps/libm-i387/e_acoshf.S: Likewise. * sysdeps/libm-i387/e_acoshl.S: Likewise. * sysdeps/libm-i387/e_atanh.S: Likewise. * sysdeps/libm-i387/e_atanhf.S: Likewise. * sysdeps/libm-i387/e_atanhl.S: Likewise. * sysdeps/libm-i387/e_asinh.S: Likewise. * sysdeps/libm-i387/e_asinhf.S: Likewise. * sysdeps/libm-i387/e_asinhl.S: Likewise. * sysdeps/libm-ieee754/s_asinhf.c: Tweak a bit. Use lower levels for simplified handling. * sysdeps/unix/sysv/linux/syscalls.list: Add query_module. Sun Dec 22 01:39:29 1996 Andreas Schwab * inet/rcmd.c (rcmd): Set h_errno before calling herror. * inet/rexec.c (rexec): Likewise. Sat Dec 21 21:47:08 1996 Andreas Schwab * sysdeps/unix/sysv/linux/m68k/setjmp.c (__setjmp): Make it really compatible. Sun Dec 22 03:23:33 1996 Ulrich Drepper * sysdeps/libm-i387/s_log1p.S: Use fyl2xp1 for numbers in range -0.29 <= x <= 0.29, otherwise the old method. * sysdeps/libm-i387/s_log1pf.S: Likewise. * sysdeps/libm-i387/s_log1pl.S: Likewise. --- sysdeps/libm-i387/e_atanhl.S | 108 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 108 insertions(+) create mode 100644 sysdeps/libm-i387/e_atanhl.S (limited to 'sysdeps/libm-i387/e_atanhl.S') diff --git a/sysdeps/libm-i387/e_atanhl.S b/sysdeps/libm-i387/e_atanhl.S new file mode 100644 index 0000000000..8a2bd11ce4 --- /dev/null +++ b/sysdeps/libm-i387/e_atanhl.S @@ -0,0 +1,108 @@ +/* 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 , 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 + +#ifdef __ELF__ + .section .rodata +#else + .text +#endif + + .align ALIGNARG(4) + /* Please note that we use double values for 0.5 and 1.0. These + numbers have exact representations and so we don't get accuracy + problems. The advantage is that the code is simpler. */ + 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) + /* 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) + .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_atanhl) + movl 12(%esp), %ecx + +#ifdef PIC + call 1f +1: popl %edx + addl $_GLOBAL_OFFSET_TABLE_+[.-1b], %edx +#endif + + andl $0x8000, %ecx // ECX == 0 iff X >= 0 + + fldt MO(ln2_2) // 0.5*ln2 + xorl %ecx, 12(%esp) + fldt 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_atanhl) -- cgit 1.4.1