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1998-03-02 17:55 Ulrich Drepper <drepper@cygnus.com> * sysdeps/i386/add_n.S: Change to use ENTRY and END macro. * sysdeps/i386/addmul_1.S: Likewise. * sysdeps/i386/lshift.S: Likewise. * sysdeps/i386/mul_1.S: Likewise. * sysdeps/i386/rshift.S: Likewise. * sysdeps/i386/sub_n.S: Likewise. * sysdeps/i386/submul_1.S: Likewise. * sysdeps/i386/i586/add_n.S: Likewise. * sysdeps/i386/i586/addmul_1.S: Likewise. * sysdeps/i386/i586/lshift.S: Likewise. * sysdeps/i386/i586/mul_1.S: Likewise. * sysdeps/i386/i586/rshift.S: Likewise. * sysdeps/i386/i586/sub_n.S: Likewise. * sysdeps/i386/i586/submul_1.S: Likewise. * sysdeps/i386/sysdep.h: Extend last change. * sysdeps/unix/sysv/linux/i386/sysdep.h: Follow Intel's advice to have only one exit point for functions. 1998-03-02 Ulrich Drepper <drepper@cygnus.com> * configure.in: Fix msgfmt test. Fix handling of //s in sysdeps search. 1998-03-02 13:28 Ulrich Drepper <drepper@cygnus.com> * Makerules: Generate libc.so with absolute paths for the used shared objects. * config.make.in: Add MAKEINFO definition. 1998-03-02 Ulrich Drepper <drepper@cygnus.com> * sysdeps/i386/sysdep.h (ASM_SIZE_DIRECTIVE): Add ; at the end. (ENTRY): Use STABS_FUN. (END): Use STABS_FUN_END. (STABS_FUN, STABS_FUN2, STABS_FUN_END): New macro to emit stabs info. * elf/Makefile: Add rules to build sprof program. * elf/sprof.c: New file. 1998-02-28 Andreas Jaeger <aj@arthur.rhein-neckar.de> * misc/syslog.c (openlog_internal): Insert missing closing brace. 1998-02-06 Andreas Jaeger <aj@arthur.rhein-neckar.de> * configure.in: Check for working msgfmt version (from GNU gettext 0.10 or later). 1998-03-02 Ulrich Drepper <drepper@cygnus.com> * configure.in: Avoid //s in sysdirs. Patch by Roland McGrath. * stdlib/a64l.c (a64l): Rewrite by Joe Keane <jgk@jgk.org>. 1998-03-02 07:17 H.J. Lu <hjl@gnu.org> * elf/dl-open.c (_dl_open): Update _dl_global_scope_end when setting _dl_global_scope for RTLD_GLOBAL. 1998-02-27 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * sysdeps/unix/make-syscalls.sh: Fix last change so that all possible lists of object-suffixes are taken care of. 1998-03-02 10:16 Ulrich Drepper <drepper@cygnus.com> * timezone/private.h: Update from tzcode1998c. * timezone/zic.c: Likewise. * timezone/antarctica: Updated from tzdata1998c. * timezone/asia: Likewise. * timezone/australasia: Likewise. * timezone/europe: Likewise. * timezone/southamerica: Likewise. 1998-03-02 Ulrich Drepper <drepper@cygnus.com> * posix/glob.c (glob_in_dir): Add support for cases insensitive VMS. Patch by John W. Eaton <jwe@bevo.che.wisc.edu>.
85 lines
2.1 KiB
ArmAsm
85 lines
2.1 KiB
ArmAsm
/* i80386 __mpn_rshift --
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Copyright (C) 1992, 1994, 1997, 1998 Free Software Foundation, Inc.
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This file is part of the GNU MP Library.
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The GNU MP Library is free software; you can redistribute it and/or modify
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it under the terms of the GNU Library General Public License as published by
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the Free Software Foundation; either version 2 of the License, or (at your
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option) any later version.
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The GNU MP Library is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public
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License for more details.
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You should have received a copy of the GNU Library General Public License
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along with the GNU MP Library; see the file COPYING.LIB. If not, write to
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the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
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MA 02111-1307, USA. */
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/*
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INPUT PARAMETERS
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res_ptr (sp + 4)
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s_ptr (sp + 8)
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size (sp + 12)
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cnt (sp + 16)
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*/
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#include "sysdep.h"
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#include "asm-syntax.h"
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.text
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ENTRY(__mpn_rshift)
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pushl %edi
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pushl %esi
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pushl %ebx
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movl 16(%esp),%edi /* res_ptr */
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movl 20(%esp),%esi /* s_ptr */
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movl 24(%esp),%edx /* size */
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movl 28(%esp),%ecx /* cnt */
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leal -4(%edi,%edx,4),%edi
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leal (%esi,%edx,4),%esi
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negl %edx
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movl (%esi,%edx,4),%ebx /* read least significant limb */
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xorl %eax,%eax
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shrdl %cl,%ebx,%eax /* compute carry limb */
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incl %edx
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jz L(end)
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pushl %eax /* push carry limb onto stack */
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testb $1,%edx
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jnz L(1) /* enter loop in the middle */
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movl %ebx,%eax
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ALIGN (3)
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L(oop): movl (%esi,%edx,4),%ebx /* load next higher limb */
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shrdl %cl,%ebx,%eax /* compute result limb */
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movl %eax,(%edi,%edx,4) /* store it */
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incl %edx
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L(1): movl (%esi,%edx,4),%eax
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shrdl %cl,%eax,%ebx
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movl %ebx,(%edi,%edx,4)
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incl %edx
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jnz L(oop)
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shrl %cl,%eax /* compute most significant limb */
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movl %eax,(%edi) /* store it */
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popl %eax /* pop carry limb */
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popl %ebx
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popl %esi
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popl %edi
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ret
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L(end): shrl %cl,%ebx /* compute most significant limb */
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movl %ebx,(%edi) /* store it */
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popl %ebx
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popl %esi
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popl %edi
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ret
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END(__mpn_rshift)
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