submul_1.asm revision 1.1.1.1.4.2
1 dnl SPARC v9 64-bit mpn_submul_1 -- Multiply a limb vector with a limb and 2 dnl subtract the result from a second limb vector. 3 4 dnl Copyright 2001, 2002, 2003 Free Software Foundation, Inc. 5 6 dnl This file is part of the GNU MP Library. 7 8 dnl The GNU MP Library is free software; you can redistribute it and/or modify 9 dnl it under the terms of the GNU Lesser General Public License as published 10 dnl by the Free Software Foundation; either version 3 of the License, or (at 11 dnl your option) any later version. 12 13 dnl The GNU MP Library is distributed in the hope that it will be useful, but 14 dnl WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 15 dnl or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public 16 dnl License for more details. 17 18 dnl You should have received a copy of the GNU Lesser General Public License 19 dnl along with the GNU MP Library. If not, see http://www.gnu.org/licenses/. 20 21 include(`../config.m4') 22 23 C cycles/limb 24 C UltraSPARC 1&2: 18 25 C UltraSPARC 3: 23 26 27 C INPUT PARAMETERS 28 C rp i0 29 C up i1 30 C n i2 31 C v i3 32 33 ASM_START() 34 REGISTER(%g2,#scratch) 35 36 PROLOGUE(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 57 EPILOGUE(mpn_submul_1) 58
Indexes created Sun Mar 01 05:31:48 UTC 2026