1dnl SPARC v9 64-bit mpn_submul_1 -- Multiply a limb vector with a limb and 2dnl subtract the result from a second limb vector. 3 4dnl Copyright 2001, 2002, 2003 Free Software Foundation, Inc. 5 6dnl This file is part of the GNU MP Library. 7 8dnl The GNU MP Library is free software; you can redistribute it and/or modify 9dnl it under the terms of the GNU Lesser General Public License as published 10dnl by the Free Software Foundation; either version 3 of the License, or (at 11dnl your option) any later version. 12 13dnl The GNU MP Library is distributed in the hope that it will be useful, but 14dnl WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 15dnl or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public 16dnl License for more details. 17 18dnl You should have received a copy of the GNU Lesser General Public License 19dnl along with the GNU MP Library. If not, see http://www.gnu.org/licenses/. 20 21include(`../config.m4') 22 23C cycles/limb 24C UltraSPARC 1&2: 18 25C UltraSPARC 3: 23 26 27C INPUT PARAMETERS 28C rp i0 29C up i1 30C n i2 31C v i3 32 33ASM_START() 34 REGISTER(%g2,#scratch) 35 36PROLOGUE(mpn_submul_1) 37 save %sp,-176,%sp 38 39 sllx %i2, 3, %g2 40 or %g0, %i1, %o1 41 add %g2, 15, %o0 42 or %g0, %i2, %o2 43 and %o0, -16, %o0 44 sub %sp, %o0, %sp 45 add %sp, 2223, %o0 46 or %g0, %o0, %l0 47 call mpn_mul_1 48 or %g0, %i3, %o3 49 or %g0, %o0, %l1 C preserve carry value from mpn_mul_1 50 or %g0, %i0, %o0 51 or %g0, %i0, %o1 52 or %g0, %l0, %o2 53 call mpn_sub_n 54 or %g0, %i2, %o3 55 ret 56 restore %l1, %o0, %o0 C sum carry values 57EPILOGUE(mpn_submul_1) 58