/* Copyright (C) 1989, 1992, 1993, 1994, 1995 Free Software Foundation, Inc. This file is part of GNU CC. GNU CC is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. GNU CC is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with GNU CC; see the file COPYING. If not, write to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ .text .align 4 .globl __udivdi3 __udivdi3: save %sp,-104,%sp mov %i3,%o3 cmp %i2,0 bne .LL40 mov %i1,%i3 cmp %o3,%i0 bleu .LL41 mov %i3,%o1 ! Inlined udiv_qrnnd mov 32,%g1 subcc %i0,%o3,%g0 1: bcs 5f addxcc %o1,%o1,%o1 ! shift n1n0 and a q-bit in lsb sub %i0,%o3,%i0 ! this kills msb of n addx %i0,%i0,%i0 ! so this cannot give carry subcc %g1,1,%g1 2: bne 1b subcc %i0,%o3,%g0 bcs 3f addxcc %o1,%o1,%o1 ! shift n1n0 and a q-bit in lsb b 3f sub %i0,%o3,%i0 ! this kills msb of n 4: sub %i0,%o3,%i0 5: addxcc %i0,%i0,%i0 bcc 2b subcc %g1,1,%g1 ! Got carry from n. Subtract next step to cancel this carry. bne 4b addcc %o1,%o1,%o1 ! shift n1n0 and a 0-bit in lsb sub %i0,%o3,%i0 3: xnor %o1,0,%o1 ! End of inline udiv_qrnnd b .LL45 mov 0,%o2 .LL41: cmp %o3,0 bne .LL77 mov %i0,%o2 mov 1,%o0 call .udiv,0 mov 0,%o1 mov %o0,%o3 mov %i0,%o2 .LL77: mov 0,%o4 ! Inlined udiv_qrnnd mov 32,%g1 subcc %o4,%o3,%g0 1: bcs 5f addxcc %o2,%o2,%o2 ! shift n1n0 and a q-bit in lsb sub %o4,%o3,%o4 ! this kills msb of n addx %o4,%o4,%o4 ! so this cannot give carry subcc %g1,1,%g1 2: bne 1b subcc %o4,%o3,%g0 bcs 3f addxcc %o2,%o2,%o2 ! shift n1n0 and a q-bit in lsb b 3f sub %o4,%o3,%o4 ! this kills msb of n 4: sub %o4,%o3,%o4 5: addxcc %o4,%o4,%o4 bcc 2b subcc %g1,1,%g1 ! Got carry from n. Subtract next step to cancel this carry. bne 4b addcc %o2,%o2,%o2 ! shift n1n0 and a 0-bit in lsb sub %o4,%o3,%o4 3: xnor %o2,0,%o2 ! End of inline udiv_qrnnd mov %o4,%i0 mov %i3,%o1 ! Inlined udiv_qrnnd mov 32,%g1 subcc %i0,%o3,%g0 1: bcs 5f addxcc %o1,%o1,%o1 ! shift n1n0 and a q-bit in lsb sub %i0,%o3,%i0 ! this kills msb of n addx %i0,%i0,%i0 ! so this cannot give carry subcc %g1,1,%g1 2: bne 1b subcc %i0,%o3,%g0 bcs 3f addxcc %o1,%o1,%o1 ! shift n1n0 and a q-bit in lsb b 3f sub %i0,%o3,%i0 ! this kills msb of n 4: sub %i0,%o3,%i0 5: addxcc %i0,%i0,%i0 bcc 2b subcc %g1,1,%g1 ! Got carry from n. Subtract next step to cancel this carry. bne 4b addcc %o1,%o1,%o1 ! shift n1n0 and a 0-bit in lsb sub %i0,%o3,%i0 3: xnor %o1,0,%o1 ! End of inline udiv_qrnnd b .LL78 mov %o1,%l1 .LL40: cmp %i2,%i0 bleu .LL46 sethi %hi(65535),%o0 b .LL73 mov 0,%o1 .LL46: or %o0,%lo(65535),%o0 cmp %i2,%o0 bgu .LL53 mov %i2,%o1 cmp %i2,256 addx %g0,-1,%o0 b .LL59 and %o0,8,%o2 .LL53: sethi %hi(16777215),%o0 or %o0,%lo(16777215),%o0 cmp %o1,%o0 bgu .LL59 mov 24,%o2 mov 16,%o2 .LL59: srl %o1,%o2,%o1 sethi %hi(__clz_tab),%o0 or %o0,%lo(__clz_tab),%o0 ldub [%o1+%o0],%o0 add %o0,%o2,%o0 mov 32,%o1 subcc %o1,%o0,%o2 bne,a .LL67 mov 32,%o0 cmp %i0,%i2 bgu .LL69 cmp %i3,%o3 blu .LL73 mov 0,%o1 .LL69: b .LL73 mov 1,%o1 .LL67: sub %o0,%o2,%o0 sll %i2,%o2,%i2 srl %o3,%o0,%o1 or %i2,%o1,%i2 sll %o3,%o2,%o3 srl %i0,%o0,%o1 sll %i0,%o2,%i0 srl %i3,%o0,%o0 or %i0,%o0,%i0 sll %i3,%o2,%i3 mov %i0,%o5 mov %o1,%o4 ! Inlined udiv_qrnnd mov 32,%g1 subcc %o4,%i2,%g0 1: bcs 5f addxcc %o5,%o5,%o5 ! shift n1n0 and a q-bit in lsb sub %o4,%i2,%o4 ! this kills msb of n addx %o4,%o4,%o4 ! so this cannot give carry subcc %g1,1,%g1 2: bne 1b subcc %o4,%i2,%g0 bcs 3f addxcc %o5,%o5,%o5 ! shift n1n0 and a q-bit in lsb b 3f sub %o4,%i2,%o4 ! this kills msb of n 4: sub %o4,%i2,%o4 5: addxcc %o4,%o4,%o4 bcc 2b subcc %g1,1,%g1 ! Got carry from n. Subtract next step to cancel this carry. bne 4b addcc %o5,%o5,%o5 ! shift n1n0 and a 0-bit in lsb sub %o4,%i2,%o4 3: xnor %o5,0,%o5 ! End of inline udiv_qrnnd mov %o4,%i0 mov %o5,%o1 ! Inlined umul_ppmm wr %g0,%o1,%y ! SPARC has 0-3 delay insn after a wr sra %o3,31,%g2 ! Do not move this insn and %o1,%g2,%g2 ! Do not move this insn andcc %g0,0,%g1 ! Do not move this insn mulscc %g1,%o3,%g1 mulscc %g1,%o3,%g1 mulscc %g1,%o3,%g1 mulscc %g1,%o3,%g1 mulscc %g1,%o3,%g1 mulscc %g1,%o3,%g1 mulscc %g1,%o3,%g1 mulscc %g1,%o3,%g1 mulscc %g1,%o3,%g1 mulscc %g1,%o3,%g1 mulscc %g1,%o3,%g1 mulscc %g1,%o3,%g1 mulscc %g1,%o3,%g1 mulscc %g1,%o3,%g1 mulscc %g1,%o3,%g1 mulscc %g1,%o3,%g1 mulscc %g1,%o3,%g1 mulscc %g1,%o3,%g1 mulscc %g1,%o3,%g1 mulscc %g1,%o3,%g1 mulscc %g1,%o3,%g1 mulscc %g1,%o3,%g1 mulscc %g1,%o3,%g1 mulscc %g1,%o3,%g1 mulscc %g1,%o3,%g1 mulscc %g1,%o3,%g1 mulscc %g1,%o3,%g1 mulscc %g1,%o3,%g1 mulscc %g1,%o3,%g1 mulscc %g1,%o3,%g1 mulscc %g1,%o3,%g1 mulscc %g1,%o3,%g1 mulscc %g1,0,%g1 add %g1,%g2,%o0 rd %y,%o2 cmp %o0,%i0 bgu,a .LL73 add %o1,-1,%o1 bne,a .LL45 mov 0,%o2 cmp %o2,%i3 bleu .LL45 mov 0,%o2 add %o1,-1,%o1 .LL73: mov 0,%o2 .LL45: mov %o1,%l1 .LL78: mov %o2,%l0 mov %l0,%i0 mov %l1,%i1 ret restore