1 dnl SPARC mpn_addmul_1 -- Multiply a limb vector with a limb and add the 2 dnl result to a second limb vector. 3 4 dnl Copyright 1992-1994, 2000 Free Software Foundation, Inc. 5 6 dnl This file is part of the GNU MP Library. 7 dnl 8 dnl The GNU MP Library is free software; you can redistribute it and/or modify 9 dnl it under the terms of either: 10 dnl 11 dnl * the GNU Lesser General Public License as published by the Free 12 dnl Software Foundation; either version 3 of the License, or (at your 13 dnl option) any later version. 14 dnl 15 dnl or 16 dnl 17 dnl * the GNU General Public License as published by the Free Software 18 dnl Foundation; either version 2 of the License, or (at your option) any 19 dnl later version. 20 dnl 21 dnl or both in parallel, as here. 22 dnl 23 dnl The GNU MP Library is distributed in the hope that it will be useful, but 24 dnl WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 25 dnl or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 26 dnl for more details. 27 dnl 28 dnl You should have received copies of the GNU General Public License and the 29 dnl GNU Lesser General Public License along with the GNU MP Library. If not, 30 dnl see https://www.gnu.org/licenses/. 31 32 33 include(`../config.m4') 34 35 C INPUT PARAMETERS 36 C res_ptr o0 37 C s1_ptr o1 38 C size o2 39 C s2_limb o3 40 41 ASM_START() 42 PROLOGUE(mpn_addmul_1) 43 C Make S1_PTR and RES_PTR point at the end of their blocks 44 C and put (- 4 x SIZE) in index/loop counter. 45 sll %o2,2,%o2 46 add %o0,%o2,%o4 C RES_PTR in o4 since o0 is retval 47 add %o1,%o2,%o1 48 sub %g0,%o2,%o2 49 50 cmp %o3,0xfff 51 bgu L(large) 52 nop 53 54 ld [%o1+%o2],%o5 55 mov 0,%o0 56 b L(0) 57 add %o4,-4,%o4 58 L(loop0): 59 addcc %o5,%g1,%g1 60 ld [%o1+%o2],%o5 61 addx %o0,%g0,%o0 62 st %g1,[%o4+%o2] 63 L(0): wr %g0,%o3,%y 64 sra %o5,31,%g2 65 and %o3,%g2,%g2 66 andcc %g1,0,%g1 67 mulscc %g1,%o5,%g1 68 mulscc %g1,%o5,%g1 69 mulscc %g1,%o5,%g1 70 mulscc %g1,%o5,%g1 71 mulscc %g1,%o5,%g1 72 mulscc %g1,%o5,%g1 73 mulscc %g1,%o5,%g1 74 mulscc %g1,%o5,%g1 75 mulscc %g1,%o5,%g1 76 mulscc %g1,%o5,%g1 77 mulscc %g1,%o5,%g1 78 mulscc %g1,%o5,%g1 79 mulscc %g1,0,%g1 80 sra %g1,20,%g4 81 sll %g1,12,%g1 82 rd %y,%g3 83 srl %g3,20,%g3 84 or %g1,%g3,%g1 85 86 addcc %g1,%o0,%g1 87 addx %g2,%g4,%o0 C add sign-compensation and cy to hi limb 88 addcc %o2,4,%o2 C loop counter 89 bne L(loop0) 90 ld [%o4+%o2],%o5 91 92 addcc %o5,%g1,%g1 93 addx %o0,%g0,%o0 94 retl 95 st %g1,[%o4+%o2] 96 97 L(large): 98 ld [%o1+%o2],%o5 99 mov 0,%o0 100 sra %o3,31,%g4 C g4 = mask of ones iff S2_LIMB < 0 101 b L(1) 102 add %o4,-4,%o4 103 L(loop): 104 addcc %o5,%g3,%g3 105 ld [%o1+%o2],%o5 106 addx %o0,%g0,%o0 107 st %g3,[%o4+%o2] 108 L(1): wr %g0,%o5,%y 109 and %o5,%g4,%g2 110 andcc %g0,%g0,%g1 111 mulscc %g1,%o3,%g1 112 mulscc %g1,%o3,%g1 113 mulscc %g1,%o3,%g1 114 mulscc %g1,%o3,%g1 115 mulscc %g1,%o3,%g1 116 mulscc %g1,%o3,%g1 117 mulscc %g1,%o3,%g1 118 mulscc %g1,%o3,%g1 119 mulscc %g1,%o3,%g1 120 mulscc %g1,%o3,%g1 121 mulscc %g1,%o3,%g1 122 mulscc %g1,%o3,%g1 123 mulscc %g1,%o3,%g1 124 mulscc %g1,%o3,%g1 125 mulscc %g1,%o3,%g1 126 mulscc %g1,%o3,%g1 127 mulscc %g1,%o3,%g1 128 mulscc %g1,%o3,%g1 129 mulscc %g1,%o3,%g1 130 mulscc %g1,%o3,%g1 131 mulscc %g1,%o3,%g1 132 mulscc %g1,%o3,%g1 133 mulscc %g1,%o3,%g1 134 mulscc %g1,%o3,%g1 135 mulscc %g1,%o3,%g1 136 mulscc %g1,%o3,%g1 137 mulscc %g1,%o3,%g1 138 mulscc %g1,%o3,%g1 139 mulscc %g1,%o3,%g1 140 mulscc %g1,%o3,%g1 141 mulscc %g1,%o3,%g1 142 mulscc %g1,%o3,%g1 143 mulscc %g1,%g0,%g1 144 rd %y,%g3 145 addcc %g3,%o0,%g3 146 addx %g2,%g1,%o0 147 addcc %o2,4,%o2 148 bne L(loop) 149 ld [%o4+%o2],%o5 150 151 addcc %o5,%g3,%g3 152 addx %o0,%g0,%o0 153 retl 154 st %g3,[%o4+%o2] 155 EPILOGUE(mpn_addmul_1) 156
Indexes created Sat Feb 28 05:31:39 UTC 2026