1 1.1 mrg dnl SPARC v9 mpn_submul_1 for T1/T2. 2 1.1 mrg 3 1.1 mrg dnl Copyright 2010 Free Software Foundation, Inc. 4 1.1 mrg 5 1.1 mrg dnl This file is part of the GNU MP Library. 6 1.1.1.2 mrg dnl 7 1.1 mrg dnl The GNU MP Library is free software; you can redistribute it and/or modify 8 1.1.1.2 mrg dnl it under the terms of either: 9 1.1.1.2 mrg dnl 10 1.1.1.2 mrg dnl * the GNU Lesser General Public License as published by the Free 11 1.1.1.2 mrg dnl Software Foundation; either version 3 of the License, or (at your 12 1.1.1.2 mrg dnl option) any later version. 13 1.1.1.2 mrg dnl 14 1.1.1.2 mrg dnl or 15 1.1.1.2 mrg dnl 16 1.1.1.2 mrg dnl * the GNU General Public License as published by the Free Software 17 1.1.1.2 mrg dnl Foundation; either version 2 of the License, or (at your option) any 18 1.1.1.2 mrg dnl later version. 19 1.1.1.2 mrg dnl 20 1.1.1.2 mrg dnl or both in parallel, as here. 21 1.1.1.2 mrg dnl 22 1.1 mrg dnl The GNU MP Library is distributed in the hope that it will be useful, but 23 1.1 mrg dnl WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 24 1.1.1.2 mrg dnl or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 25 1.1.1.2 mrg dnl for more details. 26 1.1.1.2 mrg dnl 27 1.1.1.2 mrg dnl You should have received copies of the GNU General Public License and the 28 1.1.1.2 mrg dnl GNU Lesser General Public License along with the GNU MP Library. If not, 29 1.1.1.2 mrg dnl see https://www.gnu.org/licenses/. 30 1.1 mrg 31 1.1 mrg include(`../config.m4') 32 1.1 mrg 33 1.1 mrg C cycles/limb 34 1.1 mrg C UltraSPARC T1: 74 35 1.1 mrg C UltraSPARC T2: ? 36 1.1 mrg 37 1.1 mrg C INPUT PARAMETERS 38 1.1 mrg define(`rp', `%i0') 39 1.1 mrg define(`up', `%i1') 40 1.1 mrg define(`n', `%i2') 41 1.1 mrg define(`v0', `%i3') 42 1.1 mrg 43 1.1 mrg ASM_START() 44 1.1 mrg REGISTER(%g2,#scratch) 45 1.1 mrg REGISTER(%g3,#scratch) 46 1.1 mrg PROLOGUE(mpn_submul_1) 47 1.1 mrg save %sp, -176, %sp 48 1.1 mrg mov 1, %o2 49 1.1 mrg mov %i0, %g2 50 1.1 mrg srlx %i3, 32, %o4 51 1.1 mrg sllx %o2, 32, %o2 52 1.1 mrg srl %i3, 0, %i3 53 1.1 mrg mov 0, %g3 54 1.1 mrg mov 0, %i0 55 1.1 mrg 56 1.1 mrg L(top): ldx [%i1+%g3], %g1 57 1.1 mrg srl %g1, 0, %g4 58 1.1 mrg mulx %g4, %i3, %o5 59 1.1 mrg srlx %g1, 32, %g1 60 1.1 mrg mulx %g1, %i3, %g5 61 1.1 mrg mulx %g4, %o4, %g4 62 1.1 mrg mulx %g1, %o4, %g1 63 1.1 mrg srlx %o5, 32, %o1 64 1.1 mrg add %g5, %o1, %o1 65 1.1 mrg addcc %o1, %g4, %g4 66 1.1 mrg srl %o5, 0, %o0 67 1.1 mrg ldx [%g2+%g3], %o5 68 1.1 mrg sllx %g4, 32, %o1 69 1.1 mrg add %g1, %o2, %l1 70 1.1 mrg movlu %xcc, %l1, %g1 71 1.1 mrg add %o1, %o0, %l0 72 1.1 mrg addcc %l0, %i0, %g5 73 1.1 mrg srlx %g4, 32, %i0 74 1.1 mrg add %i0, 1, %g4 75 1.1 mrg movlu %xcc, %g4, %i0 76 1.1 mrg subcc %o5, %g5, %g5 77 1.1 mrg stx %g5, [%g2+%g3] 78 1.1 mrg add %i0, 1, %g4 79 1.1 mrg movlu %xcc, %g4, %i0 80 1.1 mrg add %i2, -1, %i2 81 1.1 mrg add %i0, %g1, %i0 82 1.1 mrg brnz,pt %i2, L(top) 83 1.1 mrg add %g3, 8, %g3 84 1.1 mrg return %i7+8 85 1.1 mrg nop 86 1.1 mrg EPILOGUE() 87