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1999-07-06 Ulrich Drepper <drepper@cygnus.com> * sysdeps/unix/sysv/linux/alpha/ioperm.c: Update for some more motherboards. Patch by Jay Estabrook. * sysdeps/unix/sysv/linux/configure.in: Don't test for libc4 in ldd for SPARC. * /sysdeps/unix/sysv/linux/sparc/ldd-rewrite.sed: New file. Patch by Cristian Gafton. 1999-07-02 Cristian Gafton <gafton@redhat.com> * sysdeps/unix/sysv/linux/bits/socket.h (__cmsg_nxthdr): "return 0" instead of "return NULL" to make C++ happy. 1999-07-04 Mark Kettenis <kettenis@gnu.org> * libio/iofdopen.c (_IO_new_fdopen): Set EINVAL if MODE is not allowed by the file access mode of the open file. 1999-07-06 Ulrich Drepper <drepper@cygnus.com> * sysdeps/generic/setfpucw.c: Include math.h to get all needed macros defined. 1999-07-03 Jakub Jelinek <jj@ultra.linux.cz> * sysdeps/sparc/sparc64/submul_1.S: Fix carry handling. Optimize. * sysdeps/sparc/sparc64/lshift.S: Make a leaf subroutine. Optimize. * sysdeps/sparc/sparc64/rshift.S: Likewise. * sysdeps/sparc/sparc64/mul_1.S: Optimize. 1999-07-04 Wolfram Gloger <wmglo@dent.med.uni-muenchen.de> * malloc/malloc.c (request2size): Check for overflow and return NULL whenever it is encountered. 1999-07-04 Zack Weinberg <zack@rabi.columbia.edu> * sysdeps/posix/tempname.c (__gen_tempname): Add ability to create directories. Replace OPENIT and LARGEFILE args with a single flags parameter. * sysdeps/generic/tempname.c: Likewise. * include/stdio.h: Adjust prototype of __gen_tempname to match. Define symbolic constants for second argument. * misc/mkdtemp.c: New file, provides new function mkdtemp(). * stdlib/stdlib.h: Prototype it. * misc/Versions: Export it. * misc/Makefile (routines): Add mktemp. * manual/filesys.texi: Document it. * misc/mktemp.c: Adjust call of __gen_tempname to match new convention. * misc/mkstemp.c: Likewise. * stdio-common/tempnam.c: Likewise. * stdio-common/tmpfile.c: Likewise. * stdio-common/tmpfile64.c: Likewise. * stdio-common/tmpnam.c: Likewise. * stdio-common/tmpnam_r.c: Likewise. 1999-07-05 Jakub Jelinek <jj@ultra.linux.cz> * sysdeps/sparc/sparc64/dl-machine.h (elf_machine_rela): Support R_SPARC_OLO10 relocations. * elf/elf.h (R_SPARC_OLO10): Fix comment.
91 lines
2.0 KiB
ArmAsm
91 lines
2.0 KiB
ArmAsm
/* SPARC v9 __mpn_rshift --
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Copyright (C) 1996, 1999 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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#include <sysdep.h>
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/* INPUT PARAMETERS
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res_ptr %o0
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src_ptr %o1
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size %o2
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cnt %o3 */
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ENTRY(__mpn_rshift)
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ldx [%o1],%g2 ! load first limb
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sub %g0,%o3,%o5 ! negate shift count
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add %o2,-1,%o2
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andcc %o2,4-1,%g4 ! number of limbs in first loop
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sllx %g2,%o5,%g1 ! compute function result
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be,pn %xcc,.L0 ! if multiple of 4 limbs, skip first loop
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mov %g1,%g5
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sub %o2,%g4,%o2 ! adjust count for main loop
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.Loop0: ldx [%o1+8],%g3
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add %o0,8,%o0
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add %o1,8,%o1
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srlx %g2,%o3,%o4
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addcc %g4,-1,%g4
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sllx %g3,%o5,%g1
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mov %g3,%g2
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or %o4,%g1,%o4
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bne,pt %xcc,.Loop0
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stx %o4,[%o0-8]
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.L0: brz,pn %o2,.Lend
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nop
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.Loop: ldx [%o1+8],%g3
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add %o0,32,%o0
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srlx %g2,%o3,%o4
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addcc %o2,-4,%o2
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sllx %g3,%o5,%g1
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ldx [%o1+16],%g2
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srlx %g3,%o3,%g4
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or %o4,%g1,%o4
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stx %o4,[%o0-32]
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sllx %g2,%o5,%g1
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ldx [%o1+24],%g3
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srlx %g2,%o3,%o4
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or %g4,%g1,%g4
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stx %g4,[%o0-24]
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sllx %g3,%o5,%g1
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ldx [%o1+32],%g2
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srlx %g3,%o3,%g4
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or %o4,%g1,%o4
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stx %o4,[%o0-16]
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sllx %g2,%o5,%g1
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add %o1,32,%o1
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or %g4,%g1,%g4
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bne,pt %xcc,.Loop
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stx %g4,[%o0-8]
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.Lend: srlx %g2,%o3,%g2
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stx %g2,[%o0-0]
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jmpl %o7+8,%g0
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mov %g5,%o0
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END(__mpn_rshift)
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