| dnl SPARC v9 64-bit mpn_submul_1 -- Multiply a limb vector with a limb and |
| dnl subtract the result from a second limb vector. |
| |
| dnl Copyright 2001, 2002, 2003 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 cycles/limb |
| C UltraSPARC 1&2: 18 |
| C UltraSPARC 3: 23 |
| |
| C INPUT PARAMETERS |
| C rp i0 |
| C up i1 |
| C n i2 |
| C v i3 |
| |
| ASM_START() |
| REGISTER(%g2,#scratch) |
| |
| PROLOGUE(mpn_submul_1) |
| save %sp,-176,%sp |
| |
| sllx %i2, 3, %g2 |
| or %g0, %i1, %o1 |
| add %g2, 15, %o0 |
| or %g0, %i2, %o2 |
| and %o0, -16, %o0 |
| sub %sp, %o0, %sp |
| add %sp, 2223, %o0 |
| or %g0, %o0, %l0 |
| call mpn_mul_1 |
| or %g0, %i3, %o3 |
| or %g0, %o0, %l1 C preserve carry value from mpn_mul_1 |
| or %g0, %i0, %o0 |
| or %g0, %i0, %o1 |
| or %g0, %l0, %o2 |
| call mpn_sub_n |
| or %g0, %i2, %o3 |
| ret |
| restore %l1, %o0, %o0 C sum carry values |
| EPILOGUE(mpn_submul_1) |
