| dnl SPARC v9 mpn_mul_1 for T1/T2. |
| |
| dnl Copyright 2010 Free Software Foundation, Inc. |
| |
| dnl This file is part of the GNU MP Library. |
| dnl |
| dnl The GNU MP Library is free software; you can redistribute it and/or modify |
| dnl it under the terms of either: |
| dnl |
| dnl * the GNU Lesser General Public License as published by the Free |
| dnl Software Foundation; either version 3 of the License, or (at your |
| dnl option) any later version. |
| dnl |
| dnl or |
| dnl |
| dnl * the GNU General Public License as published by the Free Software |
| dnl Foundation; either version 2 of the License, or (at your option) any |
| dnl later version. |
| dnl |
| dnl or both in parallel, as here. |
| dnl |
| 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 General Public License |
| dnl for more details. |
| dnl |
| dnl You should have received copies of the GNU General Public License and the |
| dnl GNU Lesser General Public License along with the GNU MP Library. If not, |
| dnl see https://www.gnu.org/licenses/. |
| |
| include(`../config.m4') |
| |
| C cycles/limb |
| C UltraSPARC T1: 68 |
| C UltraSPARC T2: ? |
| |
| C INPUT PARAMETERS |
| define(`rp', `%i0') |
| define(`up', `%i1') |
| define(`n', `%i2') |
| define(`v0', `%i3') |
| |
| ASM_START() |
| REGISTER(%g2,#scratch) |
| REGISTER(%g3,#scratch) |
| PROLOGUE(mpn_mul_1) |
| save %sp, -176, %sp |
| mov 1, %o2 |
| mov %i0, %g2 |
| srlx %i3, 32, %o4 |
| sllx %o2, 32, %o2 |
| srl %i3, 0, %i3 |
| mov 0, %g3 |
| mov 0, %i0 |
| |
| L(top): ldx [%i1+%g3], %g1 |
| srl %g1, 0, %g4 |
| mulx %g4, %i3, %o5 |
| srlx %g1, 32, %g1 |
| mulx %g1, %i3, %g5 |
| mulx %g4, %o4, %g4 |
| mulx %g1, %o4, %g1 |
| srlx %o5, 32, %o1 |
| add %g5, %o1, %o1 |
| addcc %o1, %g4, %g4 |
| srl %o5, 0, %o0 |
| sllx %g4, 32, %o1 |
| add %g1, %o2, %l1 |
| movlu %xcc, %l1, %g1 |
| add %o1, %o0, %l0 |
| addcc %l0, %i0, %g5 |
| srlx %g4, 32, %i0 |
| add %i0, 1, %g4 |
| movlu %xcc, %g4, %i0 |
| stx %g5, [%g2+%g3] |
| add %i2, -1, %i2 |
| add %i0, %g1, %i0 |
| brnz,pt %i2, L(top) |
| add %g3, 8, %g3 |
| return %i7+8 |
| nop |
| EPILOGUE() |
