mirror of
https://sourceware.org/git/glibc.git
synced 2024-12-20 17:51:16 +00:00
144 lines
2.8 KiB
ArmAsm
144 lines
2.8 KiB
ArmAsm
! SPARC __udiv_qrnnd division support, used from longlong.h.
|
|
|
|
! Copyright (C) 1993, 1994 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., 675 Mass Ave, Cambridge, MA 02139, 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:
|
|
wr %g0,%i4,%y
|
|
sra %i3,31,%g2
|
|
and %i4,%g2,%g2
|
|
andcc %g0,0,%g1
|
|
mulscc %g1,%i3,%g1
|
|
mulscc %g1,%i3,%g1
|
|
mulscc %g1,%i3,%g1
|
|
mulscc %g1,%i3,%g1
|
|
mulscc %g1,%i3,%g1
|
|
mulscc %g1,%i3,%g1
|
|
mulscc %g1,%i3,%g1
|
|
mulscc %g1,%i3,%g1
|
|
mulscc %g1,%i3,%g1
|
|
mulscc %g1,%i3,%g1
|
|
mulscc %g1,%i3,%g1
|
|
mulscc %g1,%i3,%g1
|
|
mulscc %g1,%i3,%g1
|
|
mulscc %g1,%i3,%g1
|
|
mulscc %g1,%i3,%g1
|
|
mulscc %g1,%i3,%g1
|
|
mulscc %g1,%i3,%g1
|
|
mulscc %g1,%i3,%g1
|
|
mulscc %g1,%i3,%g1
|
|
mulscc %g1,%i3,%g1
|
|
mulscc %g1,%i3,%g1
|
|
mulscc %g1,%i3,%g1
|
|
mulscc %g1,%i3,%g1
|
|
mulscc %g1,%i3,%g1
|
|
mulscc %g1,%i3,%g1
|
|
mulscc %g1,%i3,%g1
|
|
mulscc %g1,%i3,%g1
|
|
mulscc %g1,%i3,%g1
|
|
mulscc %g1,%i3,%g1
|
|
mulscc %g1,%i3,%g1
|
|
mulscc %g1,%i3,%g1
|
|
mulscc %g1,%i3,%g1
|
|
mulscc %g1,0,%g1
|
|
add %g1,%g2,%i0
|
|
rd %y,%g3
|
|
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
|