2013-01-12 04:53:10 +00:00
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! SPARC v9 32-bit __mpn_addmul_1 -- Multiply a limb vector with a limb
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! and add the result to a second limb vector.
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!
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2019-01-01 00:11:28 +00:00
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! Copyright (C) 2013-2019 Free Software Foundation, Inc.
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2013-01-12 04:53:10 +00:00
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! This file is part of the GNU C Library.
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! Contributed by David S. Miller <davem@davemloft.net>
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!
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! The GNU C Library is free software; you can redistribute it and/or
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! modify it under the terms of the GNU Lesser General Public
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! License as published by the Free Software Foundation; either
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! version 2.1 of the License, or (at your option) any later version.
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!
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! The GNU C Library is distributed in the hope that it will be useful,
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! but WITHOUT ANY WARRANTY; without even the implied warranty of
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! MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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! Lesser General Public License for more details.
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!
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! You should have received a copy of the GNU Lesser General Public
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! License along with the GNU C Library; if not, see
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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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! <https://www.gnu.org/licenses/>.
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2013-01-12 04:53:10 +00:00
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#include <sysdep.h>
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#define res_ptr %i0
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#define s1_ptr %i1
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#define sz_arg %i2
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#define s2l_arg %i3
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#define sz %o4
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#define carry %o5
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#define s2_limb %g1
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#define tmp1 %l0
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#define tmp2 %l1
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#define tmp3 %l2
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#define tmp4 %l3
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#define tmp64_1 %g3
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#define tmp64_2 %o3
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ENTRY(__mpn_addmul_1)
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save %sp, -96, %sp
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srl sz_arg, 0, sz
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srl s2l_arg, 0, s2_limb
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subcc sz, 1, sz
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be,pn %icc, .Lfinal_limb
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clr carry
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.Lloop:
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lduw [s1_ptr + 0x00], tmp1
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lduw [res_ptr + 0x00], tmp3
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lduw [s1_ptr + 0x04], tmp2
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lduw [res_ptr + 0x04], tmp4
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mulx tmp1, s2_limb, tmp64_1
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add s1_ptr, 8, s1_ptr
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mulx tmp2, s2_limb, tmp64_2
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sub sz, 2, sz
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add res_ptr, 8, res_ptr
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add tmp3, tmp64_1, tmp64_1
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add carry, tmp64_1, tmp64_1
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stw tmp64_1, [res_ptr - 0x08]
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srlx tmp64_1, 32, carry
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add tmp4, tmp64_2, tmp64_2
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add carry, tmp64_2, tmp64_2
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stw tmp64_2, [res_ptr - 0x04]
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brgz sz, .Lloop
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srlx tmp64_2, 32, carry
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brlz,pt sz, .Lfinish
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nop
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.Lfinal_limb:
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lduw [s1_ptr + 0x00], tmp1
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lduw [res_ptr + 0x00], tmp3
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mulx tmp1, s2_limb, tmp64_1
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add tmp3, tmp64_1, tmp64_1
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add carry, tmp64_1, tmp64_1
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stw tmp64_1, [res_ptr + 0x00]
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srlx tmp64_1, 32, carry
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.Lfinish:
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jmpl %i7 + 0x8, %g0
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restore carry, 0, %o0
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END(__mpn_addmul_1)
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