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author | Ulrich Drepper <drepper@redhat.com> | 1997-04-05 01:26:47 +0000 |
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committer | Ulrich Drepper <drepper@redhat.com> | 1997-04-05 01:26:47 +0000 |
commit | 26dee9c49cbbec8826db4c29e99fb50d9392a047 (patch) | |
tree | 98cce94e2e72bcb491b108c3c8f82192070b4b8f /sysdeps/libm-i387/s_frexpl.S | |
parent | fe7bdd630fab35270a88b0731cd0fc10de062046 (diff) | |
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Update.cvs/libc-ud-970404cvs/libc-970412cvs/libc-970411cvs/libc-970410cvs/libc-970409cvs/libc-970408cvs/libc-970407cvs/libc-970406cvs/libc-970405
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.
Diffstat (limited to 'sysdeps/libm-i387/s_frexpl.S')
-rw-r--r-- | sysdeps/libm-i387/s_frexpl.S | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/sysdeps/libm-i387/s_frexpl.S b/sysdeps/libm-i387/s_frexpl.S new file mode 100644 index 0000000000..e3019ced6d --- /dev/null +++ b/sysdeps/libm-i387/s_frexpl.S @@ -0,0 +1,82 @@ +/* ix87 specific frexp implementation for long double. + Copyright (C) 1997 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997. + + 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(two64,@object) +two64: .byte 0, 0, 0, 0, 0, 0, 0xf0, 0x43 + ASM_SIZE_DIRECTIVE(two64) + +#ifdef PIC +#define MO(op) op##@GOTOFF(%edx) +#else +#define MO(op) op +#endif + + .text +ENTRY(__frexpl) + movl 4(%esp), %ecx + movl 12(%esp), %eax + orl 8(%esp), %ecx + movl %eax, %edx + andl $0x7fff, %eax + orl %eax, %ecx + jz 1f + xorl %ecx, %ecx + cmpl $0x7fff, %eax + je 1f + + cmpl $0, %eax + je 2f + + fldt 4(%esp) +#ifdef PIC + call 3f +3: popl %edx + addl $_GLOBAL_OFFSET_TABLE_+[.-3b], %edx +#endif + fmull MO(two64) /* It's not necessary to use a 80bit factor */ + movl $-64, %ecx + fstpt 4(%esp) + movl 12(%esp), %eax + movl %eax, %edx + andl $0x7fff, %eax + +2: andl $0x8000, %edx + subl $16382, %eax + orl $0x3ffe, %edx + addl %eax, %ecx + movl %edx, 12(%esp) + + /* Store %ecx in the variable pointed to by the second argument, + get the factor from the stack and return. */ +1: movl 16(%esp), %eax + fldt 4(%esp) + movl %ecx, (%eax) + ret +END(__frexpl) +weak_alias (__frexpl, frexpl) |