Sat Oct 14 02:52:36 1995 Ulrich Drepper <drepper@ipd.info.uni-karlsruhe.de>
* malloc/malloc.c (_malloc_internal): Performance fix. Move
if statement out of loop.
* stdio/_itoa.c, stdio/_itoa.h: Complete rewrite. Much faster
implementation using GMP functions. Contributed by
Torbjorn Granlund and Ulrich Drepper.
* stdio/test_rdwr.c: Include <errno.h>.
* sysdeps/i386/i586/Implies: New file.
New highly optimized string functions for i[345]86.
* sysdeps/i386/memchr.S, sysdeps/i386/memcmp.S: New files.
* sysdeps/i386/stpcpy.S, sysdeps/i386/stpncpy.S: New files.
* sysdeps/i386/strchr.S, sysdeps/i386/strcspn.S: New files.
* sysdeps/i386/strpbrk.S, sysdeps/i386/strrchr.S: New files.
* sysdeps/i386/strspn.S, sysdeps/i386/i486/strcat.S: New files.
* sysdeps/i386/i486/strlen.S, sysdeps/i386/i586/strchr.S: New files.
* sysdeps/i386/i586/strlen.S: New file.
* sysdeps/i386/memchr.c: Removed. There is now an assembler version.
* sysdeps/i386/i586/memcopy.h (WORD_COPY_BWD): Parameters did
not correspond to used values.
* sysdeps/unix/sysv/linux/nfs/nfs.h: New file. Simply a wrapper
around a kernel header file.
* sysdeps/unix/sysv/linux/Dist: Add it.
* sysdeps/unix/sysv/linux/Makefile [$(subdir)=sunrpc] (headers):
Likewise.
* sysdeps/unix/sysv/linux/local_lim.h: Rewrite. Instead of
defining ourself we use a kernel header file.
* sysdeps/unix/sysv/linux/i386/sysdep.h (DO_CALL): Optimize system
call handler for i586.
* sysdeps/unix/sysv/linux/sys/param.h: Add copyright and clean up.
Sat Oct 14 02:52:36 1995 Ulrich Drepper <drepper@ipd.info.uni-karlsruhe.de>
* malloc/malloc.c (_malloc_internal): Performance fix. Move
if statement out of loop.
* stdio/_itoa.c, stdio/_itoa.h: Complete rewrite. Much faster
implementation using GMP functions. Contributed by
Torbjorn Granlund and Ulrich Drepper.
* stdio/test_rdwr.c: Include <errno.h>.
* sysdeps/i386/i586/Implies: New file.
New highly optimized string functions for i[345]86.
* sysdeps/i386/memchr.S, sysdeps/i386/memcmp.S: New files.
* sysdeps/i386/stpcpy.S, sysdeps/i386/stpncpy.S: New files.
* sysdeps/i386/strchr.S, sysdeps/i386/strcspn.S: New files.
* sysdeps/i386/strpbrk.S, sysdeps/i386/strrchr.S: New files.
* sysdeps/i386/strspn.S, sysdeps/i386/i486/strcat.S: New files.
* sysdeps/i386/i486/strlen.S, sysdeps/i386/i586/strchr.S: New files.
* sysdeps/i386/i586/strlen.S: New file.
* sysdeps/i386/memchr.c: Removed. There is now an assembler version.
* sysdeps/i386/i586/memcopy.h (WORD_COPY_BWD): Parameters did
not correspond to used values.
* sysdeps/unix/sysv/linux/nfs/nfs.h: New file. Simply a wrapper
around a kernel header file.
* sysdeps/unix/sysv/linux/Dist: Add it.
* sysdeps/unix/sysv/linux/Makefile [$(subdir)=sunrpc] (headers):
Likewise.
* sysdeps/unix/sysv/linux/local_lim.h: Rewrite. Instead of
defining ourself we use a kernel header file.
* sysdeps/unix/sysv/linux/i386/sysdep.h (DO_CALL): Optimize system
call handler for i586.
* sysdeps/unix/sysv/linux/sys/param.h: Add copyright and clean up.
1995-10-16 09:37:51 +08:00
|
|
|
; HP-PA __udiv_qrnnd division support, used from longlong.h.
|
|
|
|
|
; This version runs fast on pre-PA7000 CPUs.
|
|
|
|
|
|
|
|
|
|
; Copyright (C) 1993, 1994 Free Software Foundation, Inc.
|
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|
|
|
|
|
|
|
|
; This file is part of the GNU MP Library.
|
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|
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|
|
|
|
|
|
; The GNU MP 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
|
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|
|
|
; the Free Software Foundation; either version 2 of the License, or (at your
|
|
|
|
|
; 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
|
|
|
|
|
; or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public
|
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|
|
|
; License for more details.
|
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|
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|
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|
|
|
|
; You should have received a copy of the GNU Library General Public License
|
|
|
|
|
; along with the GNU MP Library; see the file COPYING.LIB. If not, write to
|
1996-05-08 05:04:52 +08:00
|
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|
; the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
|
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|
|
|
; MA 02111-1307, USA.
|
Sat Oct 14 02:52:36 1995 Ulrich Drepper <drepper@ipd.info.uni-karlsruhe.de>
* malloc/malloc.c (_malloc_internal): Performance fix. Move
if statement out of loop.
* stdio/_itoa.c, stdio/_itoa.h: Complete rewrite. Much faster
implementation using GMP functions. Contributed by
Torbjorn Granlund and Ulrich Drepper.
* stdio/test_rdwr.c: Include <errno.h>.
* sysdeps/i386/i586/Implies: New file.
New highly optimized string functions for i[345]86.
* sysdeps/i386/memchr.S, sysdeps/i386/memcmp.S: New files.
* sysdeps/i386/stpcpy.S, sysdeps/i386/stpncpy.S: New files.
* sysdeps/i386/strchr.S, sysdeps/i386/strcspn.S: New files.
* sysdeps/i386/strpbrk.S, sysdeps/i386/strrchr.S: New files.
* sysdeps/i386/strspn.S, sysdeps/i386/i486/strcat.S: New files.
* sysdeps/i386/i486/strlen.S, sysdeps/i386/i586/strchr.S: New files.
* sysdeps/i386/i586/strlen.S: New file.
* sysdeps/i386/memchr.c: Removed. There is now an assembler version.
* sysdeps/i386/i586/memcopy.h (WORD_COPY_BWD): Parameters did
not correspond to used values.
* sysdeps/unix/sysv/linux/nfs/nfs.h: New file. Simply a wrapper
around a kernel header file.
* sysdeps/unix/sysv/linux/Dist: Add it.
* sysdeps/unix/sysv/linux/Makefile [$(subdir)=sunrpc] (headers):
Likewise.
* sysdeps/unix/sysv/linux/local_lim.h: Rewrite. Instead of
defining ourself we use a kernel header file.
* sysdeps/unix/sysv/linux/i386/sysdep.h (DO_CALL): Optimize system
call handler for i586.
* sysdeps/unix/sysv/linux/sys/param.h: Add copyright and clean up.
Sat Oct 14 02:52:36 1995 Ulrich Drepper <drepper@ipd.info.uni-karlsruhe.de>
* malloc/malloc.c (_malloc_internal): Performance fix. Move
if statement out of loop.
* stdio/_itoa.c, stdio/_itoa.h: Complete rewrite. Much faster
implementation using GMP functions. Contributed by
Torbjorn Granlund and Ulrich Drepper.
* stdio/test_rdwr.c: Include <errno.h>.
* sysdeps/i386/i586/Implies: New file.
New highly optimized string functions for i[345]86.
* sysdeps/i386/memchr.S, sysdeps/i386/memcmp.S: New files.
* sysdeps/i386/stpcpy.S, sysdeps/i386/stpncpy.S: New files.
* sysdeps/i386/strchr.S, sysdeps/i386/strcspn.S: New files.
* sysdeps/i386/strpbrk.S, sysdeps/i386/strrchr.S: New files.
* sysdeps/i386/strspn.S, sysdeps/i386/i486/strcat.S: New files.
* sysdeps/i386/i486/strlen.S, sysdeps/i386/i586/strchr.S: New files.
* sysdeps/i386/i586/strlen.S: New file.
* sysdeps/i386/memchr.c: Removed. There is now an assembler version.
* sysdeps/i386/i586/memcopy.h (WORD_COPY_BWD): Parameters did
not correspond to used values.
* sysdeps/unix/sysv/linux/nfs/nfs.h: New file. Simply a wrapper
around a kernel header file.
* sysdeps/unix/sysv/linux/Dist: Add it.
* sysdeps/unix/sysv/linux/Makefile [$(subdir)=sunrpc] (headers):
Likewise.
* sysdeps/unix/sysv/linux/local_lim.h: Rewrite. Instead of
defining ourself we use a kernel header file.
* sysdeps/unix/sysv/linux/i386/sysdep.h (DO_CALL): Optimize system
call handler for i586.
* sysdeps/unix/sysv/linux/sys/param.h: Add copyright and clean up.
1995-10-16 09:37:51 +08:00
|
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|
; INPUT PARAMETERS
|
|
|
|
|
; rem_ptr gr26
|
|
|
|
|
; n1 gr25
|
|
|
|
|
; n0 gr24
|
|
|
|
|
; d gr23
|
|
|
|
|
|
|
|
|
|
; The code size is a bit excessive. We could merge the last two ds;addc
|
|
|
|
|
; sequences by simply moving the "bb,< Odd" instruction down. The only
|
|
|
|
|
; trouble is the FFFFFFFF code that would need some hacking.
|
|
|
|
|
|
|
|
|
|
.code
|
|
|
|
|
.export __udiv_qrnnd
|
|
|
|
|
__udiv_qrnnd
|
|
|
|
|
.proc
|
|
|
|
|
.callinfo frame=0,no_calls
|
|
|
|
|
.entry
|
|
|
|
|
|
|
|
|
|
comb,< %r23,0,L$largedivisor
|
|
|
|
|
sub %r0,%r23,%r1 ; clear cy as side-effect
|
|
|
|
|
ds %r0,%r1,%r0
|
|
|
|
|
addc %r24,%r24,%r24
|
|
|
|
|
ds %r25,%r23,%r25
|
|
|
|
|
addc %r24,%r24,%r24
|
|
|
|
|
ds %r25,%r23,%r25
|
|
|
|
|
addc %r24,%r24,%r24
|
|
|
|
|
ds %r25,%r23,%r25
|
|
|
|
|
addc %r24,%r24,%r24
|
|
|
|
|
ds %r25,%r23,%r25
|
|
|
|
|
addc %r24,%r24,%r24
|
|
|
|
|
ds %r25,%r23,%r25
|
|
|
|
|
addc %r24,%r24,%r24
|
|
|
|
|
ds %r25,%r23,%r25
|
|
|
|
|
addc %r24,%r24,%r24
|
|
|
|
|
ds %r25,%r23,%r25
|
|
|
|
|
addc %r24,%r24,%r24
|
|
|
|
|
ds %r25,%r23,%r25
|
|
|
|
|
addc %r24,%r24,%r24
|
|
|
|
|
ds %r25,%r23,%r25
|
|
|
|
|
addc %r24,%r24,%r24
|
|
|
|
|
ds %r25,%r23,%r25
|
|
|
|
|
addc %r24,%r24,%r24
|
|
|
|
|
ds %r25,%r23,%r25
|
|
|
|
|
addc %r24,%r24,%r24
|
|
|
|
|
ds %r25,%r23,%r25
|
|
|
|
|
addc %r24,%r24,%r24
|
|
|
|
|
ds %r25,%r23,%r25
|
|
|
|
|
addc %r24,%r24,%r24
|
|
|
|
|
ds %r25,%r23,%r25
|
|
|
|
|
addc %r24,%r24,%r24
|
|
|
|
|
ds %r25,%r23,%r25
|
|
|
|
|
addc %r24,%r24,%r24
|
|
|
|
|
ds %r25,%r23,%r25
|
|
|
|
|
addc %r24,%r24,%r24
|
|
|
|
|
ds %r25,%r23,%r25
|
|
|
|
|
addc %r24,%r24,%r24
|
|
|
|
|
ds %r25,%r23,%r25
|
|
|
|
|
addc %r24,%r24,%r24
|
|
|
|
|
ds %r25,%r23,%r25
|
|
|
|
|
addc %r24,%r24,%r24
|
|
|
|
|
ds %r25,%r23,%r25
|
|
|
|
|
addc %r24,%r24,%r24
|
|
|
|
|
ds %r25,%r23,%r25
|
|
|
|
|
addc %r24,%r24,%r24
|
|
|
|
|
ds %r25,%r23,%r25
|
|
|
|
|
addc %r24,%r24,%r24
|
|
|
|
|
ds %r25,%r23,%r25
|
|
|
|
|
addc %r24,%r24,%r24
|
|
|
|
|
ds %r25,%r23,%r25
|
|
|
|
|
addc %r24,%r24,%r24
|
|
|
|
|
ds %r25,%r23,%r25
|
|
|
|
|
addc %r24,%r24,%r24
|
|
|
|
|
ds %r25,%r23,%r25
|
|
|
|
|
addc %r24,%r24,%r24
|
|
|
|
|
ds %r25,%r23,%r25
|
|
|
|
|
addc %r24,%r24,%r24
|
|
|
|
|
ds %r25,%r23,%r25
|
|
|
|
|
addc %r24,%r24,%r24
|
|
|
|
|
ds %r25,%r23,%r25
|
|
|
|
|
addc %r24,%r24,%r24
|
|
|
|
|
ds %r25,%r23,%r25
|
|
|
|
|
addc %r24,%r24,%r24
|
|
|
|
|
ds %r25,%r23,%r25
|
|
|
|
|
addc %r24,%r24,%r28
|
|
|
|
|
ds %r25,%r23,%r25
|
|
|
|
|
comclr,>= %r25,%r0,%r0
|
|
|
|
|
addl %r25,%r23,%r25
|
|
|
|
|
stws %r25,0(0,%r26)
|
|
|
|
|
bv 0(%r2)
|
|
|
|
|
addc %r28,%r28,%r28
|
|
|
|
|
|
|
|
|
|
L$largedivisor
|
|
|
|
|
extru %r24,31,1,%r19 ; r19 = n0 & 1
|
|
|
|
|
bb,< %r23,31,L$odd
|
|
|
|
|
extru %r23,30,31,%r22 ; r22 = d >> 1
|
|
|
|
|
shd %r25,%r24,1,%r24 ; r24 = new n0
|
|
|
|
|
extru %r25,30,31,%r25 ; r25 = new n1
|
|
|
|
|
sub %r0,%r22,%r21
|
|
|
|
|
ds %r0,%r21,%r0
|
|
|
|
|
addc %r24,%r24,%r24
|
|
|
|
|
ds %r25,%r22,%r25
|
|
|
|
|
addc %r24,%r24,%r24
|
|
|
|
|
ds %r25,%r22,%r25
|
|
|
|
|
addc %r24,%r24,%r24
|
|
|
|
|
ds %r25,%r22,%r25
|
|
|
|
|
addc %r24,%r24,%r24
|
|
|
|
|
ds %r25,%r22,%r25
|
|
|
|
|
addc %r24,%r24,%r24
|
|
|
|
|
ds %r25,%r22,%r25
|
|
|
|
|
addc %r24,%r24,%r24
|
|
|
|
|
ds %r25,%r22,%r25
|
|
|
|
|
addc %r24,%r24,%r24
|
|
|
|
|
ds %r25,%r22,%r25
|
|
|
|
|
addc %r24,%r24,%r24
|
|
|
|
|
ds %r25,%r22,%r25
|
|
|
|
|
addc %r24,%r24,%r24
|
|
|
|
|
ds %r25,%r22,%r25
|
|
|
|
|
addc %r24,%r24,%r24
|
|
|
|
|
ds %r25,%r22,%r25
|
|
|
|
|
addc %r24,%r24,%r24
|
|
|
|
|
ds %r25,%r22,%r25
|
|
|
|
|
addc %r24,%r24,%r24
|
|
|
|
|
ds %r25,%r22,%r25
|
|
|
|
|
addc %r24,%r24,%r24
|
|
|
|
|
ds %r25,%r22,%r25
|
|
|
|
|
addc %r24,%r24,%r24
|
|
|
|
|
ds %r25,%r22,%r25
|
|
|
|
|
addc %r24,%r24,%r24
|
|
|
|
|
ds %r25,%r22,%r25
|
|
|
|
|
addc %r24,%r24,%r24
|
|
|
|
|
ds %r25,%r22,%r25
|
|
|
|
|
addc %r24,%r24,%r24
|
|
|
|
|
ds %r25,%r22,%r25
|
|
|
|
|
addc %r24,%r24,%r24
|
|
|
|
|
ds %r25,%r22,%r25
|
|
|
|
|
addc %r24,%r24,%r24
|
|
|
|
|
ds %r25,%r22,%r25
|
|
|
|
|
addc %r24,%r24,%r24
|
|
|
|
|
ds %r25,%r22,%r25
|
|
|
|
|
addc %r24,%r24,%r24
|
|
|
|
|
ds %r25,%r22,%r25
|
|
|
|
|
addc %r24,%r24,%r24
|
|
|
|
|
ds %r25,%r22,%r25
|
|
|
|
|
addc %r24,%r24,%r24
|
|
|
|
|
ds %r25,%r22,%r25
|
|
|
|
|
addc %r24,%r24,%r24
|
|
|
|
|
ds %r25,%r22,%r25
|
|
|
|
|
addc %r24,%r24,%r24
|
|
|
|
|
ds %r25,%r22,%r25
|
|
|
|
|
addc %r24,%r24,%r24
|
|
|
|
|
ds %r25,%r22,%r25
|
|
|
|
|
addc %r24,%r24,%r24
|
|
|
|
|
ds %r25,%r22,%r25
|
|
|
|
|
addc %r24,%r24,%r24
|
|
|
|
|
ds %r25,%r22,%r25
|
|
|
|
|
addc %r24,%r24,%r24
|
|
|
|
|
ds %r25,%r22,%r25
|
|
|
|
|
addc %r24,%r24,%r24
|
|
|
|
|
ds %r25,%r22,%r25
|
|
|
|
|
addc %r24,%r24,%r24
|
|
|
|
|
ds %r25,%r22,%r25
|
|
|
|
|
addc %r24,%r24,%r24
|
|
|
|
|
ds %r25,%r22,%r25
|
|
|
|
|
comclr,>= %r25,%r0,%r0
|
|
|
|
|
addl %r25,%r22,%r25
|
|
|
|
|
sh1addl %r25,%r19,%r25
|
|
|
|
|
stws %r25,0(0,%r26)
|
|
|
|
|
bv 0(%r2)
|
|
|
|
|
addc %r24,%r24,%r28
|
|
|
|
|
|
|
|
|
|
L$odd addib,sv,n 1,%r22,L$FF.. ; r22 = (d / 2 + 1)
|
|
|
|
|
shd %r25,%r24,1,%r24 ; r24 = new n0
|
|
|
|
|
extru %r25,30,31,%r25 ; r25 = new n1
|
|
|
|
|
sub %r0,%r22,%r21
|
|
|
|
|
ds %r0,%r21,%r0
|
|
|
|
|
addc %r24,%r24,%r24
|
|
|
|
|
ds %r25,%r22,%r25
|
|
|
|
|
addc %r24,%r24,%r24
|
|
|
|
|
ds %r25,%r22,%r25
|
|
|
|
|
addc %r24,%r24,%r24
|
|
|
|
|
ds %r25,%r22,%r25
|
|
|
|
|
addc %r24,%r24,%r24
|
|
|
|
|
ds %r25,%r22,%r25
|
|
|
|
|
addc %r24,%r24,%r24
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ds %r25,%r22,%r25
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addc %r24,%r24,%r24
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ds %r25,%r22,%r25
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addc %r24,%r24,%r24
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ds %r25,%r22,%r25
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addc %r24,%r24,%r24
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ds %r25,%r22,%r25
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addc %r24,%r24,%r24
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ds %r25,%r22,%r25
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addc %r24,%r24,%r24
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ds %r25,%r22,%r25
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addc %r24,%r24,%r24
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ds %r25,%r22,%r25
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addc %r24,%r24,%r24
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ds %r25,%r22,%r25
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addc %r24,%r24,%r24
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ds %r25,%r22,%r25
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addc %r24,%r24,%r24
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ds %r25,%r22,%r25
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addc %r24,%r24,%r24
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ds %r25,%r22,%r25
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addc %r24,%r24,%r24
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ds %r25,%r22,%r25
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addc %r24,%r24,%r24
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ds %r25,%r22,%r25
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addc %r24,%r24,%r24
|
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ds %r25,%r22,%r25
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addc %r24,%r24,%r24
|
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|
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ds %r25,%r22,%r25
|
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addc %r24,%r24,%r24
|
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ds %r25,%r22,%r25
|
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|
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addc %r24,%r24,%r24
|
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|
|
|
ds %r25,%r22,%r25
|
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|
|
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addc %r24,%r24,%r24
|
|
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|
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ds %r25,%r22,%r25
|
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|
|
addc %r24,%r24,%r24
|
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|
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ds %r25,%r22,%r25
|
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|
|
addc %r24,%r24,%r24
|
|
|
|
|
ds %r25,%r22,%r25
|
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|
|
|
addc %r24,%r24,%r24
|
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|
|
|
ds %r25,%r22,%r25
|
|
|
|
|
addc %r24,%r24,%r24
|
|
|
|
|
ds %r25,%r22,%r25
|
|
|
|
|
addc %r24,%r24,%r24
|
|
|
|
|
ds %r25,%r22,%r25
|
|
|
|
|
addc %r24,%r24,%r24
|
|
|
|
|
ds %r25,%r22,%r25
|
|
|
|
|
addc %r24,%r24,%r24
|
|
|
|
|
ds %r25,%r22,%r25
|
|
|
|
|
addc %r24,%r24,%r24
|
|
|
|
|
ds %r25,%r22,%r25
|
|
|
|
|
addc %r24,%r24,%r24
|
|
|
|
|
ds %r25,%r22,%r25
|
|
|
|
|
addc %r24,%r24,%r24
|
|
|
|
|
ds %r25,%r22,%r25
|
|
|
|
|
addc %r24,%r24,%r28
|
|
|
|
|
comclr,>= %r25,%r0,%r0
|
|
|
|
|
addl %r25,%r22,%r25
|
|
|
|
|
sh1addl %r25,%r19,%r25
|
|
|
|
|
; We have computed (n1,,n0) / (d + 1), q' = r28, r' = r25
|
|
|
|
|
add,nuv %r28,%r25,%r25
|
|
|
|
|
addl %r25,%r1,%r25
|
|
|
|
|
addc %r0,%r28,%r28
|
|
|
|
|
sub,<< %r25,%r23,%r0
|
|
|
|
|
addl %r25,%r1,%r25
|
|
|
|
|
stws %r25,0(0,%r26)
|
|
|
|
|
bv 0(%r2)
|
|
|
|
|
addc %r0,%r28,%r28
|
|
|
|
|
|
|
|
|
|
; This is just a special case of the code above.
|
|
|
|
|
; We come here when d == 0xFFFFFFFF
|
|
|
|
|
L$FF.. add,uv %r25,%r24,%r24
|
|
|
|
|
sub,<< %r24,%r23,%r0
|
|
|
|
|
ldo 1(%r24),%r24
|
|
|
|
|
stws %r24,0(0,%r26)
|
|
|
|
|
bv 0(%r2)
|
|
|
|
|
addc %r0,%r25,%r28
|
|
|
|
|
|
|
|
|
|
.exit
|
|
|
|
|
.procend
|