glibc/sysdeps/sparc/sparc64/multiarch/add_n-vis3.S

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! SPARC v9 64-bit VIS3 __mpn_add_n -- Add two limb vectors of the same length > 0 and
! store sum in a third limb vector.
!
! Copyright (C) 2013-2020 Free Software Foundation, Inc.
! This file is part of the GNU C Library.
! Contributed by David S. Miller <davem@davemloft.net>
!
! The GNU C Library is free software; you can redistribute it and/or
! modify it under the terms of the GNU Lesser General Public
! License as published by the Free Software Foundation; either
! version 2.1 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
! Lesser General Public License for more details.
!
! You should have received a copy of the GNU Lesser General Public
! License along with the GNU C Library; if not, see
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
! <https://www.gnu.org/licenses/>.
#include <sysdep.h>
#define res_ptr %o0
#define s1_ptr %o1
#define s2_ptr %o2
#define sz %o3
#define tmp1 %g1
#define tmp2 %g2
#define tmp3 %g3
#define tmp4 %o4
.register %g2,#scratch
.register %g3,#scratch
ENTRY(__mpn_add_n_vis3)
subcc sz, 1, sz
be .Lfinal_limb
cmp %g0, 0
.Lloop:
ldx [s2_ptr + 0x00], tmp1
add s2_ptr, 0x10, s2_ptr
ldx [s1_ptr + 0x00], tmp2
add s1_ptr, 0x10, s1_ptr
ldx [s2_ptr - 0x08], tmp3
add res_ptr, 0x10, res_ptr
ldx [s1_ptr - 0x08], tmp4
sub sz, 2, sz
addxccc tmp1, tmp2, tmp1
stx tmp1, [res_ptr - 0x10]
addxccc tmp3, tmp4, tmp3
brgz sz, .Lloop
stx tmp3, [res_ptr - 0x08]
brlz,pt sz, .Lfinish
nop
.Lfinal_limb:
ldx [s2_ptr + 0x00], tmp1
ldx [s1_ptr + 0x00], tmp2
addxccc tmp1, tmp2, tmp1
stx tmp1, [res_ptr + 0x00]
.Lfinish:
retl
addxc %g0, %g0, %o0
END(__mpn_add_n_vis3)