buildtools/gcc/gmp/mpn/sh/add_n.asm
Jérôme Duval 593e726f68 buildtools: update gmp, mpfr, mpc libs
* gmp to 5.0.5, mpfr to 3.1.2, mpc to 1.0.1
2013-05-12 17:49:33 +02:00

49 lines
1.3 KiB
NASM

dnl SH mpn_add_n -- Add two limb vectors of the same length > 0 and store sum
dnl in a third limb vector.
dnl Copyright 1995, 1997, 2000, 2011 Free Software Foundation, Inc.
dnl This file is part of the GNU MP Library.
dnl The GNU MP Library is free software; you can redistribute it and/or modify
dnl it under the terms of the GNU Lesser General Public License as published
dnl by the Free Software Foundation; either version 3 of the License, or (at
dnl your option) any later version.
dnl The GNU MP Library is distributed in the hope that it will be useful, but
dnl WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
dnl or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
dnl License for more details.
dnl You should have received a copy of the GNU Lesser General Public License
dnl along with the GNU MP Library. If not, see http://www.gnu.org/licenses/.
include(`../config.m4')
C INPUT PARAMETERS
C rp r4
C up r5
C vp r6
C n r7
changecom(blah) C disable # to make all C comments below work
ASM_START()
PROLOGUE(mpn_add_n)
mov #0,r3 C clear cy save reg
L(top): mov.l @r5+,r1
mov.l @r6+,r2
shlr r3 C restore cy
addc r2,r1
movt r3 C save cy
mov.l r1,@r4
dt r7
bf.s L(top)
add #4,r4
rts
mov r3,r0 C return carry-out from most significant limb
EPILOGUE()