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1997-04-05 03:11 Ulrich Drepper <drepper@cygnus.com> * inet/arpa/inet.h: Rewrite. Don't use the ugly BSD way to write headers but instead add comments and parameter names. Don't use BSD specific types in prototypes. * manual/nss.texi: Correct a few typos and errors. * sysdeps/libm-ieee754/s_cbrt.c: Complete rewrite based on better algorithm. * sysdeps/libm-ieee754/s_cbrtf.c: Likewise. * sysdeps/libm-ieee754/s_cbrtl.c: Likewise. * sysdeps/libm-i387/s_cbrt.S: New file. Optimized assembler version with new algorithm. * sysdeps/libm-i387/s_cbrtf.S: New file. * sysdeps/libm-i387/s_cbrtl.S: New file. * sysdeps/libm-i387/s_frexp.S: Optimize even more. * sysdeps/libm-i387/s_frexpf.S: Likewise. * sysdeps/libm-i387/s_frexpl.S: Likewise. 1997-04-04 18:55 Thorsten Kukuk <kukuk@vt.uni-paderborn.de> * nis/Makefile: Remove CFLAGS-*, add publickey to databases. * nis/nis_call.c: Add MASTER_ONLY and HARD_LOOKUP flags, compile DES part only with secure RPC add-on. * nis/nis_names.c (nis_modify): Fix rpc function number. * nis/nis_server.c: Fix typos. * nis/nss_compat/compat-grp.c: Add NIS+ support. * nis/nss_compat/compat-pwd.c: Likewise. * nis/nss_compat/compat-spwd.c: Likewise. * nis/nss_nis/nis-grp.c: Only a return value > 0 from parse_line signals success. * nis/nss_nis/nis-publickey.c: Changes for compiling with/without secure RPC. * nis/nss_nisplus/nisplus-publickey.c: Likewise. * nis/ypclnt.c: Likewise. * nis/nis_intern.h: Likewise. * nis/nss_nisplus/nisplus-alias.c: Correct parser return code. * nis/nss_nisplus/nisplus-ethers.c: Likewise. * nis/nss_nisplus/nisplus-hosts.c: Likewise. * nis/nss_nisplus/nisplus-network.c: Likewise. * nis/nss_nisplus/nisplus-proto.c: Likewise. * nis/nss_nisplus/nisplus-pwd.c: Likewise. * nis/nss_nisplus/nisplus-rpc.c: Likewise. * nis/nss_nisplus/nisplus-service.c: Likewise. * nis/nss_nisplus/nisplus-spwd.c: Likewise. * nis/nss_nisplus/nisplus-grp.c: Rewrite parser for fixing errors and speedup. * nis/nss_nisplus/nisplus-netgrp.c: Likewise. 1997-04-04 17:03 Ulrich Drepper <drepper@cygnus.com> * math/libm-test.c (cbrt_test): Add tests for +-inf and NaN arguments. 1997-04-03 19:24 H.J. Lu <hjl@gnu.ai.mit.edu> * sysdeps/unix/sysv/linux/sigset.h (__sigisemptyset): Fix a typo. 1997-04-03 16:10 Andreas Jaeger <aj@arthur.pfalz.de> * sysdeps/libm-ieee754/s_nanf.c: * sysdeps/libm-ieee754/s_nan.c: * sysdeps/libm-ieee754/s_nanl.c: Include <stdio.h> for declaration of sprintf. 1997-04-03 13:37 Ulrich Drepper <drepper@cygnus.com> * sysdeps/libm-ieee754/s_cexp.c: Fix type: string_alias -> strong_alias. Reported by sun <asun@zoology.washington.edu>. * rpc/auth.h: Removed. * rpc/auth_des.h: Removed. * sunrpc/rpc/auth.h: Moved to ... * sysdeps/generic/rpc/auth.h: ...here. * sunrpc/rpc/auth_des.h: Moved to ... * sysdeps/generic/rpc/auth_des.h: ...here. 1997-04-03 04:28 Ulrich Drepper <drepper@cygnus.com> * sysdeps/libm-i387/s_frexp.S: New file. ix87 optimized version. * sysdeps/libm-i387/s_frexpf.S: New file. * sysdeps/libm-i387/s_frexpl.S: New file. 1997-04-01 10:11 H.J. Lu <hjl@gnu.ai.mit.edu> * sysdeps/unix/sysv/linux/Makefile [$(subdir)=inet] (sysdep_headers): Remove netinet/icmp.h. Describe `inf', `infinity', `nan', `nan(...)' inputs for strtod * sysdeps/i386/memcmp.S: Likewise. * time/antarctica: Likewise. * time/australasia: Likewise.
83 lines
2.0 KiB
ArmAsm
83 lines
2.0 KiB
ArmAsm
/* ix87 specific frexp implementation for double.
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Copyright (C) 1997 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If not,
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#include <machine/asm.h>
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#ifdef __ELF__
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.section .rodata
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#else
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.text
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#endif
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.align ALIGNARG(4)
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ASM_TYPE_DIRECTIVE(two54,@object)
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two54: .byte 0, 0, 0, 0, 0, 0, 0x50, 0x43
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ASM_SIZE_DIRECTIVE(two54)
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#ifdef PIC
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#define MO(op) op##@GOTOFF(%edx)
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#else
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#define MO(op) op
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#endif
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.text
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ENTRY(__frexp)
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movl 4(%esp), %ecx
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movl 8(%esp), %eax
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movl %eax, %edx
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andl $0x7fffffff, %eax
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orl %eax, %ecx
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jz 1f
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xorl %ecx, %ecx
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cmpl $0x7ff00000, %eax
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jae 1f
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cmpl $0x00100000, %eax
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jae 2f
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fldl 4(%esp)
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#ifdef PIC
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call 3f
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3: popl %edx
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addl $_GLOBAL_OFFSET_TABLE_+[.-3b], %edx
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#endif
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fmull MO(two54)
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movl $-54, %ecx
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fstpl 4(%esp)
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movl 8(%esp), %eax
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movl %eax, %edx
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andl $0x7fffffff, %eax
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2: shrl $20, %eax
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andl $0x800fffff, %edx
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subl $1022, %eax
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orl $0x3fe00000, %edx
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addl %eax, %ecx
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movl %edx, 8(%esp)
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/* Store %ecx in the variable pointed to by the second argument,
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get the factor from the stack and return. */
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1: movl 12(%esp), %eax
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fldl 4(%esp)
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movl %ecx, (%eax)
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ret
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END(__frexp)
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weak_alias (__frexp, frexp)
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