-dnl SuperSPARC mpn_udiv_qrnnd division support, used from longlong.h.
-dnl This is for SuperSPARC only, to compensate for its semi-functional
-dnl udiv instruction.
-
-dnl Copyright (C) 1993, 1994, 1996, 2000 Free Software Foundation, Inc.
-
-dnl This file is part of the GNU MP Library.
-
-dnl The GNU MP Library is free software; you can redistribute it and/or modify
-dnl it under the terms of the GNU Lesser General Public License as published
-dnl by the Free Software Foundation; either version 2.1 of the License, or (at
-dnl your option) any later version.
-
-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 Lesser General Public
-dnl License for more details.
-
-dnl You should have received a copy of the GNU Lesser General Public License
-dnl along with the GNU MP Library; see the file COPYING.LIB. If not, write to
-dnl the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
-dnl MA 02111-1307, USA.
-
-
-include(`../config.m4')
-
-C INPUT PARAMETERS
-C rem_ptr i0
-C n1 i1
-C n0 i2
-C d i3
-
-ASM_START()
-
-ifdef(`PIC',
-` TEXT
-L(getpc):
- retl
- nop')
-
- TEXT
- ALIGN(8)
-L(C0): .double 0r4294967296
-L(C1): .double 0r2147483648
-
-PROLOGUE(mpn_udiv_qrnnd)
- save %sp,-104,%sp
- st %i1,[%fp-8]
- ld [%fp-8],%f10
-
-ifdef(`PIC',
-`L(pc): call L(getpc) C put address of this insn in %o7
- ldd [%o7+L(C0)-L(pc)],%f8',
-` sethi %hi(L(C0)),%o7
- ldd [%o7+%lo(L(C0))],%f8')
-
- fitod %f10,%f4
- cmp %i1,0
- bge L(248)
- mov %i0,%i5
- faddd %f4,%f8,%f4
-L(248):
- st %i2,[%fp-8]
- ld [%fp-8],%f10
- fmuld %f4,%f8,%f6
- cmp %i2,0
- bge L(249)
- fitod %f10,%f2
- faddd %f2,%f8,%f2
-L(249):
- st %i3,[%fp-8]
- faddd %f6,%f2,%f2
- ld [%fp-8],%f10
- cmp %i3,0
- bge L(250)
- fitod %f10,%f4
- faddd %f4,%f8,%f4
-L(250):
- fdivd %f2,%f4,%f2
-
-ifdef(`PIC',
-` ldd [%o7+L(C1)-L(pc)],%f4',
-` sethi %hi(L(C1)),%o7
- ldd [%o7+%lo(L(C1))],%f4')
-
- fcmped %f2,%f4
- nop
- fbge,a L(251)
- fsubd %f2,%f4,%f2
- fdtoi %f2,%f2
- st %f2,[%fp-8]
- b L(252)
- ld [%fp-8],%i4
-L(251):
- fdtoi %f2,%f2
- st %f2,[%fp-8]
- ld [%fp-8],%i4
- sethi %hi(-2147483648),%g2
- xor %i4,%g2,%i4
-L(252):
- umul %i3,%i4,%g3
- rd %y,%i0
- subcc %i2,%g3,%o7
- subxcc %i1,%i0,%g0
- be L(253)
- cmp %o7,%i3
-
- add %i4,-1,%i0
- add %o7,%i3,%o7
- st %o7,[%i5]
- ret
- restore
-L(253):
- blu L(246)
- mov %i4,%i0
- add %i4,1,%i0
- sub %o7,%i3,%o7
-L(246):
- st %o7,[%i5]
- ret
- restore
-EPILOGUE(mpn_udiv_qrnnd)