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! SuperSPARC __udiv_qrnnd division support, used from longlong.h.
! This is for SuperSPARC only, to compensate for its semi-functional
! udiv instruction.
! Copyright (C) 1993, 1994, 1996 Free Software Foundation, Inc.
! This file is part of the GNU MP Library.
! The GNU MP Library is free software; you can redistribute it and/or modify
! it under the terms of the GNU Library General Public License as published by
! the Free Software Foundation; either version 2 of the License, or (at your
! option) any later version.
! The GNU MP Library 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 Library General Public
! License for more details.
! You should have received a copy of the GNU Library General Public License
! along with the GNU MP Library; see the file COPYING.LIB. If not, write to
! the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
! MA 02111-1307, USA.
! INPUT PARAMETERS
! rem_ptr i0
! n1 i1
! n0 i2
! d i3
#include "sysdep.h"
#undef ret /* Kludge for glibc */
.text
.align 8
LC0: .double 0r4294967296
LC1: .double 0r2147483648
.align 4
.global C_SYMBOL_NAME(__udiv_qrnnd)
C_SYMBOL_NAME(__udiv_qrnnd):
!#PROLOGUE# 0
save %sp,-104,%sp
!#PROLOGUE# 1
st %i1,[%fp-8]
ld [%fp-8],%f10
sethi %hi(LC0),%o7
fitod %f10,%f4
ldd [%o7+%lo(LC0)],%f8
cmp %i1,0
bge L248
mov %i0,%i5
faddd %f4,%f8,%f4
L248:
st %i2,[%fp-8]
ld [%fp-8],%f10
fmuld %f4,%f8,%f6
cmp %i2,0
bge L249
fitod %f10,%f2
faddd %f2,%f8,%f2
L249:
st %i3,[%fp-8]
faddd %f6,%f2,%f2
ld [%fp-8],%f10
cmp %i3,0
bge L250
fitod %f10,%f4
faddd %f4,%f8,%f4
L250:
fdivd %f2,%f4,%f2
sethi %hi(LC1),%o7
ldd [%o7+%lo(LC1)],%f4
fcmped %f2,%f4
nop
fbge,a L251
fsubd %f2,%f4,%f2
fdtoi %f2,%f2
st %f2,[%fp-8]
b L252
ld [%fp-8],%i4
L251:
fdtoi %f2,%f2
st %f2,[%fp-8]
ld [%fp-8],%i4
sethi %hi(-2147483648),%g2
xor %i4,%g2,%i4
L252:
umul %i3,%i4,%g3
rd %y,%i0
subcc %i2,%g3,%o7
subxcc %i1,%i0,%g0
be L253
cmp %o7,%i3
add %i4,-1,%i0
add %o7,%i3,%o7
st %o7,[%i5]
ret
restore
L253:
blu L246
mov %i4,%i0
add %i4,1,%i0
sub %o7,%i3,%o7
L246:
st %o7,[%i5]
ret
restore
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