udiv.asm revision 1.1.1.2
1 1.1 mrg dnl SPARC v7 __udiv_qrnnd division support, used from longlong.h. 2 1.1 mrg dnl This is for v7 CPUs with a floating-point unit. 3 1.1 mrg 4 1.1 mrg dnl Copyright 1993, 1994, 1996, 2000 Free Software Foundation, Inc. 5 1.1 mrg 6 1.1 mrg dnl This file is part of the GNU MP Library. 7 1.1.1.2 mrg dnl 8 1.1 mrg dnl The GNU MP Library is free software; you can redistribute it and/or modify 9 1.1.1.2 mrg dnl it under the terms of either: 10 1.1.1.2 mrg dnl 11 1.1.1.2 mrg dnl * the GNU Lesser General Public License as published by the Free 12 1.1.1.2 mrg dnl Software Foundation; either version 3 of the License, or (at your 13 1.1.1.2 mrg dnl option) any later version. 14 1.1.1.2 mrg dnl 15 1.1.1.2 mrg dnl or 16 1.1.1.2 mrg dnl 17 1.1.1.2 mrg dnl * the GNU General Public License as published by the Free Software 18 1.1.1.2 mrg dnl Foundation; either version 2 of the License, or (at your option) any 19 1.1.1.2 mrg dnl later version. 20 1.1.1.2 mrg dnl 21 1.1.1.2 mrg dnl or both in parallel, as here. 22 1.1.1.2 mrg dnl 23 1.1 mrg dnl The GNU MP Library is distributed in the hope that it will be useful, but 24 1.1 mrg dnl WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 25 1.1.1.2 mrg dnl or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 26 1.1.1.2 mrg dnl for more details. 27 1.1.1.2 mrg dnl 28 1.1.1.2 mrg dnl You should have received copies of the GNU General Public License and the 29 1.1.1.2 mrg dnl GNU Lesser General Public License along with the GNU MP Library. If not, 30 1.1.1.2 mrg dnl see https://www.gnu.org/licenses/. 31 1.1 mrg 32 1.1 mrg 33 1.1 mrg include(`../config.m4') 34 1.1 mrg 35 1.1 mrg C INPUT PARAMETERS 36 1.1 mrg C rem_ptr i0 37 1.1 mrg C n1 i1 38 1.1 mrg C n0 i2 39 1.1 mrg C d i3 40 1.1 mrg 41 1.1 mrg ASM_START() 42 1.1 mrg 43 1.1 mrg ifdef(`PIC', 44 1.1 mrg ` TEXT 45 1.1 mrg L(getpc): 46 1.1 mrg retl 47 1.1 mrg nop') 48 1.1 mrg 49 1.1 mrg TEXT 50 1.1 mrg ALIGN(8) 51 1.1 mrg L(C0): .double 0r4294967296 52 1.1 mrg L(C1): .double 0r2147483648 53 1.1 mrg 54 1.1 mrg PROLOGUE(mpn_udiv_qrnnd) 55 1.1 mrg save %sp,-104,%sp 56 1.1 mrg st %i1,[%fp-8] 57 1.1 mrg ld [%fp-8],%f10 58 1.1 mrg 59 1.1 mrg ifdef(`PIC', 60 1.1 mrg `L(pc): call L(getpc) C put address of this insn in %o7 61 1.1 mrg ldd [%o7+L(C0)-L(pc)],%f8', 62 1.1 mrg ` sethi %hi(L(C0)),%o7 63 1.1 mrg ldd [%o7+%lo(L(C0))],%f8') 64 1.1 mrg 65 1.1 mrg fitod %f10,%f4 66 1.1 mrg cmp %i1,0 67 1.1 mrg bge L(248) 68 1.1 mrg mov %i0,%i5 69 1.1 mrg faddd %f4,%f8,%f4 70 1.1 mrg L(248): 71 1.1 mrg st %i2,[%fp-8] 72 1.1 mrg ld [%fp-8],%f10 73 1.1 mrg fmuld %f4,%f8,%f6 74 1.1 mrg cmp %i2,0 75 1.1 mrg bge L(249) 76 1.1 mrg fitod %f10,%f2 77 1.1 mrg faddd %f2,%f8,%f2 78 1.1 mrg L(249): 79 1.1 mrg st %i3,[%fp-8] 80 1.1 mrg faddd %f6,%f2,%f2 81 1.1 mrg ld [%fp-8],%f10 82 1.1 mrg cmp %i3,0 83 1.1 mrg bge L(250) 84 1.1 mrg fitod %f10,%f4 85 1.1 mrg faddd %f4,%f8,%f4 86 1.1 mrg L(250): 87 1.1 mrg fdivd %f2,%f4,%f2 88 1.1 mrg 89 1.1 mrg ifdef(`PIC', 90 1.1 mrg ` ldd [%o7+L(C1)-L(pc)],%f4', 91 1.1 mrg ` sethi %hi(L(C1)),%o7 92 1.1 mrg ldd [%o7+%lo(L(C1))],%f4') 93 1.1 mrg 94 1.1 mrg fcmped %f2,%f4 95 1.1 mrg nop 96 1.1 mrg fbge,a L(251) 97 1.1 mrg fsubd %f2,%f4,%f2 98 1.1 mrg fdtoi %f2,%f2 99 1.1 mrg st %f2,[%fp-8] 100 1.1 mrg b L(252) 101 1.1 mrg ld [%fp-8],%i4 102 1.1 mrg L(251): 103 1.1 mrg fdtoi %f2,%f2 104 1.1 mrg st %f2,[%fp-8] 105 1.1 mrg ld [%fp-8],%i4 106 1.1 mrg sethi %hi(-2147483648),%g2 107 1.1 mrg xor %i4,%g2,%i4 108 1.1 mrg L(252): 109 1.1 mrg wr %g0,%i4,%y 110 1.1 mrg sra %i3,31,%g2 111 1.1 mrg and %i4,%g2,%g2 112 1.1 mrg andcc %g0,0,%g1 113 1.1 mrg mulscc %g1,%i3,%g1 114 1.1 mrg mulscc %g1,%i3,%g1 115 1.1 mrg mulscc %g1,%i3,%g1 116 1.1 mrg mulscc %g1,%i3,%g1 117 1.1 mrg mulscc %g1,%i3,%g1 118 1.1 mrg mulscc %g1,%i3,%g1 119 1.1 mrg mulscc %g1,%i3,%g1 120 1.1 mrg mulscc %g1,%i3,%g1 121 1.1 mrg mulscc %g1,%i3,%g1 122 1.1 mrg mulscc %g1,%i3,%g1 123 1.1 mrg mulscc %g1,%i3,%g1 124 1.1 mrg mulscc %g1,%i3,%g1 125 1.1 mrg mulscc %g1,%i3,%g1 126 1.1 mrg mulscc %g1,%i3,%g1 127 1.1 mrg mulscc %g1,%i3,%g1 128 1.1 mrg mulscc %g1,%i3,%g1 129 1.1 mrg mulscc %g1,%i3,%g1 130 1.1 mrg mulscc %g1,%i3,%g1 131 1.1 mrg mulscc %g1,%i3,%g1 132 1.1 mrg mulscc %g1,%i3,%g1 133 1.1 mrg mulscc %g1,%i3,%g1 134 1.1 mrg mulscc %g1,%i3,%g1 135 1.1 mrg mulscc %g1,%i3,%g1 136 1.1 mrg mulscc %g1,%i3,%g1 137 1.1 mrg mulscc %g1,%i3,%g1 138 1.1 mrg mulscc %g1,%i3,%g1 139 1.1 mrg mulscc %g1,%i3,%g1 140 1.1 mrg mulscc %g1,%i3,%g1 141 1.1 mrg mulscc %g1,%i3,%g1 142 1.1 mrg mulscc %g1,%i3,%g1 143 1.1 mrg mulscc %g1,%i3,%g1 144 1.1 mrg mulscc %g1,%i3,%g1 145 1.1 mrg mulscc %g1,0,%g1 146 1.1 mrg add %g1,%g2,%i0 147 1.1 mrg rd %y,%g3 148 1.1 mrg subcc %i2,%g3,%o7 149 1.1 mrg subxcc %i1,%i0,%g0 150 1.1 mrg be L(253) 151 1.1 mrg cmp %o7,%i3 152 1.1 mrg 153 1.1 mrg add %i4,-1,%i0 154 1.1 mrg add %o7,%i3,%o7 155 1.1 mrg st %o7,[%i5] 156 1.1 mrg ret 157 1.1 mrg restore 158 1.1 mrg L(253): 159 1.1 mrg blu L(246) 160 1.1 mrg mov %i4,%i0 161 1.1 mrg add %i4,1,%i0 162 1.1 mrg sub %o7,%i3,%o7 163 1.1 mrg L(246): 164 1.1 mrg st %o7,[%i5] 165 1.1 mrg ret 166 1.1 mrg restore 167 1.1 mrg EPILOGUE(mpn_udiv_qrnnd) 168
Indexes created Sun Mar 01 05:31:48 UTC 2026