1997-06-29 22:05:27 +00:00
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/* SPARC v9 __mpn_submul_1 -- Multiply a limb vector with a single limb and
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subtract the product from a second limb vector.
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1996-03-01 18:45:35 +00:00
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2021-01-02 19:32:25 +00:00
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Copyright (C) 1996-2021 Free Software Foundation, Inc.
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1996-03-01 18:45:35 +00:00
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1997-06-29 22:05:27 +00:00
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This file is part of the GNU MP Library.
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1996-03-01 18:45:35 +00:00
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1997-06-29 22:05:27 +00:00
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The GNU MP Library is free software; you can redistribute it and/or modify
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2001-07-07 10:13:33 +00:00
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or (at your
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1997-06-29 22:05:27 +00:00
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option) any later version.
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1996-03-01 18:45:35 +00:00
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1997-06-29 22:05:27 +00:00
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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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2001-07-07 10:13:33 +00:00
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or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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1997-06-29 22:05:27 +00:00
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License for more details.
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1996-03-01 18:45:35 +00:00
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2001-07-07 10:13:33 +00:00
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You should have received a copy of the GNU Lesser General Public License
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2012-02-09 23:18:22 +00:00
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along with the GNU MP Library; see the file COPYING.LIB. If not,
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Prefer https to http for gnu.org and fsf.org URLs
Also, change sources.redhat.com to sourceware.org.
This patch was automatically generated by running the following shell
script, which uses GNU sed, and which avoids modifying files imported
from upstream:
sed -ri '
s,(http|ftp)(://(.*\.)?(gnu|fsf|sourceware)\.org($|[^.]|\.[^a-z])),https\2,g
s,(http|ftp)(://(.*\.)?)sources\.redhat\.com($|[^.]|\.[^a-z]),https\2sourceware.org\4,g
' \
$(find $(git ls-files) -prune -type f \
! -name '*.po' \
! -name 'ChangeLog*' \
! -path COPYING ! -path COPYING.LIB \
! -path manual/fdl-1.3.texi ! -path manual/lgpl-2.1.texi \
! -path manual/texinfo.tex ! -path scripts/config.guess \
! -path scripts/config.sub ! -path scripts/install-sh \
! -path scripts/mkinstalldirs ! -path scripts/move-if-change \
! -path INSTALL ! -path locale/programs/charmap-kw.h \
! -path po/libc.pot ! -path sysdeps/gnu/errlist.c \
! '(' -name configure \
-execdir test -f configure.ac -o -f configure.in ';' ')' \
! '(' -name preconfigure \
-execdir test -f preconfigure.ac ';' ')' \
-print)
and then by running 'make dist-prepare' to regenerate files built
from the altered files, and then executing the following to cleanup:
chmod a+x sysdeps/unix/sysv/linux/riscv/configure
# Omit irrelevant whitespace and comment-only changes,
# perhaps from a slightly-different Autoconf version.
git checkout -f \
sysdeps/csky/configure \
sysdeps/hppa/configure \
sysdeps/riscv/configure \
sysdeps/unix/sysv/linux/csky/configure
# Omit changes that caused a pre-commit check to fail like this:
# remote: *** error: sysdeps/powerpc/powerpc64/ppc-mcount.S: trailing lines
git checkout -f \
sysdeps/powerpc/powerpc64/ppc-mcount.S \
sysdeps/unix/sysv/linux/s390/s390-64/syscall.S
# Omit change that caused a pre-commit check to fail like this:
# remote: *** error: sysdeps/sparc/sparc64/multiarch/memcpy-ultra3.S: last line does not end in newline
git checkout -f sysdeps/sparc/sparc64/multiarch/memcpy-ultra3.S
2019-09-07 05:40:42 +00:00
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see <https://www.gnu.org/licenses/>. */
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1996-03-01 18:45:35 +00:00
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1997-06-29 22:05:27 +00:00
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#include <sysdep.h>
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1996-03-01 18:45:35 +00:00
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1997-06-29 22:05:27 +00:00
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/* INPUT PARAMETERS
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res_ptr o0
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s1_ptr o1
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size o2
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s2_limb o3 */
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ENTRY(__mpn_submul_1)
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Update.
1998-09-14 Andreas Jaeger <aj@arthur.rhein-neckar.de>
* sysdeps/mach/hurd/dl-cache.c (_dl_unload_cache): New dummy
function. Reported by okuji@kuicr.kyoto-u.ac.jp [PR libc/789].
1998-09-15 David S. Miller <davem@pierdol.cobaltmicro.com>
* sysdeps/sparc/sparc32/dl-machine.h (elf_machine_runtime_setup):
Add profiling support.
(TRAMPOLINE_TEMPLATE): New macro.
(ELF_MACHINE_RUNTIME_TRAMPOLINE): Define in terms of that.
(RTLD_START): Prettify, and set __libc_stack_end properly.
(elf_machine_rela) [R_SPARC_COPY]: Remove RTLD_BOOTSTRAP ifndef
and check for sym being NULL instead.
* sysdeps/sparc/sparc64/addmul_1.S: Adjust to allocate 192 bytes
of stack space.
* sysdeps/sparc/sparc64/lshift.S: Likewise.
* sysdeps/sparc/sparc64/mul_1.S: Likewise.
* sysdeps/sparc/sparc64/rshift.S: Likewise.
* sysdeps/sparc/sparc64/submul_1.S: Likewise.
* sysdeps/sparc/sparc64/elf/crtbegin.S: Likewise and remove old
MEDANY code model %g4 usage.
* sysdeps/sparc/sparc64/elf/crtend.S: Likewise and remove old
MEDANY code model %g4 usage.
* sysdeps/sparc/sparc64/elf/start.S: Rework to not use old FULLANY
code model address formation.
* sysdeps/sparc/sparc64/dl-machine.h: Don't include link.h, do
include elf/ldsodefs.h
(DT_SPARC): Remove.
(elf_machine_matches_host): It is now EM_SPARCV9.
(elf_machine_dynamic): Clean up to remove ugly cast.
(elf_machine_fixup_plt): Rework for new V9 ABI, add support for
new PLT formats.
(elf_machine_rela): Don't do anything at all for R_SPARC_NONE.
Prettify rest of function.
[R_SPARC_COPY]: Check for sym being NULL.
[R_SPARC_32]: Handle it.
[R_SPARC_H44, R_SPARC_M44, R_SPARC_L44]: Handle them for the
MEDMID code model.
[R_SPARC_HH22, R_SPARC_HM10, R_SPARC_LM22]: Handle them for the
MEDANY code model.
[R_SPARC_NONE]: Remove this case, as it is now checked earlier.
(elf_machine_runtime_setup): Rewrite for new V9 ABI plt formats.
Add profiling support.
(TRAMPOLINE_TEMPLATE): New macro.
(ELF_MACHINE_RUNTIME_TRAMPOLINE): Define in terms of that.
(RTLD_START): Prettify and set __libc_stack_end.
* sysdeps/unix/sysv/linux/sparc/bits/sigaction.h (SA_SIGINFO):
Define.
* sysdeps/unix/sysv/linux/sparc/bits/signum.h (_NSIG): Set to 64.
(SIGRTMIN, SIGRTMAX, __SIGRTMIN, __SIGRTMAX): Define.
* sysdeps/unix/sysv/linux/sparc/sparc32/brk.c (__brk): Remove
unused variable scratch.
* sysdeps/unix/sysv/linux/sparc/sparc32/sigaction.c
(__syscall_rt_sigaction, __rt_sigreturn_stub, __sigreturn_stub):
Declare.
(__sigaction): Rewrite rt_sigaction case to pass correct sigreturn
stub to rt_sigaction syscalls. Rewrite non-rt case to use correct
old format kernel sigaction structures.
* sysdeps/unix/sysv/linux/sparc/sparc64/ucontext.h: Move...
* sysdeps/unix/sysv/linux/sparc/sparc64/sys/ucontext.h: to here.
* sysdeps/unix/sysv/linux/sparc/sparc64/Dist: Remove ucontext.h
* sysdeps/unix/sysv/linux/sparc/sparc64/bits/setjmp.h: Fix
ucontext include.
(_JMPBUF_UNWINDS): Define.
* sysdeps/unix/sysv/linux/sparc/sparc64/bits/statfs.h: Declare
statfs64 structure, which is exactly the same as the normal one.
* sysdeps/unix/sysv/linux/sparc/sparc64/brk.S: Allocate 192 bytes
of stack. Use correct syscall trap number. Add branch prediction
settings to branch instructions. Remove old MEDANY code model %g4
referneces for non-PIC.
* sysdeps/unix/sysv/linux/sparc/sparc64/clone.S: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc64/init-first.h: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc64/pipe.S: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc64/syscall.S: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc64/sysdep.h: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc64/longjmp.S: Add
__libc_longjmp and __libc_siglongjmp strong aliases.
* sysdeps/unix/sysv/linux/sparc/sparc64/readdir.c (__readdir64):
Also define to __no__readdir64_decl around readdir.c inclusion.
(__readdir64): Add strong alias.
* sysdeps/unix/sysv/linux/sparc/sparc64/socket.S: New file.
* sysdeps/unix/sysv/linux/sparc/sparc64/syscalls.list (getrlimit):
Set strong and weak names properly.
1998-09-16 11:25 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* manual/Makefile (AWK): Default to gawk if standalone.
1998-09-15 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* Makefile (distribute): Undo last change.
* Make-dist (+tsrc) [not subdir]: Also include indirection headers
for sysdep headers.
(+subdir-headers): Removed, unused.
1998-09-15 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* stdio-common/Makefile ($(inst_includedir)/bits/stdio_lim.h): Use
$(do-install).
1998-09-15 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* Makerules ($(+sysdir_pfx)sysd-Makefile): Don't check for
absolute name in $(config-sysdirs), can never happen.
($(+sysdir_pfx)sysd-rules): Likewise.
* Makeconfig (full-config-sysdirs): Likewise.
(all-Subdirs-files): Prepend $(..).
* configure.in: Don't check for absolute name in $add_ons_pfx, can
not happen. Let --enable-add-ons=yes work if no add-ons actually
exist.
1998-09-15 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* Rules ($(common-objpfx)bits/stdio_%.h): Remove extra
continuations in command.
1998-09-15 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* libio/oldstdfiles.c (_IO_stdin_used): Update declaration.
1998-09-16 17:54:34 +00:00
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save %sp,-192,%sp
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1997-06-29 22:05:27 +00:00
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1996-03-01 18:45:35 +00:00
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sub %g0,%i2,%o7
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mov 0,%o0 ! zero cy_limb
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1999-07-06 16:26:03 +00:00
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sllx %o7,3,%o7
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sethi %hi(0x80000000),%o2
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1996-03-01 18:45:35 +00:00
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srl %i3,0,%o1 ! extract low 32 bits of s2_limb
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1999-07-06 16:26:03 +00:00
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sub %i1,%o7,%o3
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1996-03-01 18:45:35 +00:00
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srlx %i3,32,%i3 ! extract high 32 bits of s2_limb
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1999-07-06 16:26:03 +00:00
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sub %i0,%o7,%o4
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add %o2,%o2,%o2 ! o2 = 0x100000000
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1996-03-01 18:45:35 +00:00
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! hi !
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! mid-1 !
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! mid-2 !
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! lo !
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1999-07-06 16:26:03 +00:00
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1:
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ldx [%o3+%o7],%g5
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1996-03-01 18:45:35 +00:00
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srl %g5,0,%i0 ! zero hi bits
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1999-07-06 16:26:03 +00:00
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ldx [%o4+%o7],%l1
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1996-03-01 18:45:35 +00:00
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srlx %g5,32,%g5
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mulx %o1,%i0,%i4 ! lo product
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mulx %i3,%i0,%i1 ! mid-1 product
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mulx %o1,%g5,%l2 ! mid-2 product
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mulx %i3,%g5,%i5 ! hi product
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srlx %i4,32,%i0 ! extract high 32 bits of lo product...
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add %i1,%i0,%i1 ! ...and add it to the mid-1 product
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addcc %i1,%l2,%i1 ! add mid products
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mov 0,%l0 ! we need the carry from that add...
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movcs %xcc,%o2,%l0 ! ...compute it and...
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1999-07-06 16:26:03 +00:00
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sllx %i1,32,%i0 ! align low bits of mid product
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1996-03-01 18:45:35 +00:00
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add %i5,%l0,%i5 ! ...add to bit 32 of the hi product
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srl %i4,0,%g5 ! zero high 32 bits of lo product
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add %i0,%g5,%i0 ! combine into low 64 bits of result
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srlx %i1,32,%i1 ! extract high bits of mid product...
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1999-07-06 16:26:03 +00:00
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addcc %i0,%o0,%i0 ! add cy_limb to low 64 bits of result
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1996-03-01 18:45:35 +00:00
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add %i5,%i1,%i1 ! ...and add them to the high result
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mov 0,%g5
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movcs %xcc,1,%g5
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subcc %l1,%i0,%i0
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1999-07-06 16:26:03 +00:00
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stx %i0,[%o4+%o7]
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add %g5,1,%l1
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movcs %xcc,%l1,%g5
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addcc %o7,8,%o7
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bne,pt %xcc,1b
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1997-06-29 22:05:27 +00:00
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add %i1,%g5,%o0 ! compute new cy_limb
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1996-03-01 18:45:35 +00:00
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1999-07-06 16:26:03 +00:00
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jmpl %i7+8, %g0
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restore %o0,%g0,%o0
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1997-06-29 22:05:27 +00:00
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END(__mpn_submul_1)
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