# PowerPC-64 mpn_submul_1 -- Multiply a limb vector with a limb and subtract # the result from a second limb vector. # Copyright (C) 1999, 2000 Free Software Foundation, Inc. # This file is part of the GNU MP Library. # The GNU MP 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 MP 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 MP Library; see the file COPYING.LIB. If not, write to # the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, # MA 02111-1307, USA. # INPUT PARAMETERS # res_ptr r3 # s1_ptr r4 # size r5 # s2_limb r6 include(`../config.m4') ASM_START() PROLOGUE(mpn_submul_1) mtctr 5 li 9,0 # cy_limb = 0 addic 0,0,0 cal 3,-8(3) cal 4,-8(4) .Loop: ldu 0,8(4) ld 10,8(3) mulld 7,0,6 adde 7,7,9 mulhdu 9,0,6 addze 9,9 subfc 7,7,10 stdu 7,8(3) subfe 11,11,11 # invert ... addic 11,11,1 # ... carry bdnz .Loop addze 3,9 blr EPILOGUE(mpn_submul_1)