blob: d1a724d3758997ed800f995fba5ddf2ae82e148e [file] [log] [blame]
/* Copyright (C) 1996, 1997, 2004 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Richard Henderson <rth@tamu.edu>.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include "div_libc.h"
#undef FRAME
#ifdef __alpha_fix__
#define FRAME 0
#else
#define FRAME 16
#endif
.set noat
.align 4
.globl div
.ent div
div:
.frame sp, FRAME, ra
#if FRAME > 0
lda sp, -FRAME(sp)
#endif
#ifdef PROF
.set macro
ldgp gp, 0(pv)
lda AT, _mcount
jsr AT, (AT), _mcount
.set nomacro
.prologue 1
#else
.prologue 0
#endif
beq $18, $divbyzero
excb
mf_fpcr $f10
_ITOFT2 $17, $f0, 0, $18, $f1, 8
cvtqt $f0, $f0
cvtqt $f1, $f1
divt/c $f0, $f1, $f0
cvttq/c $f0, $f0
excb
mt_fpcr $f10
_FTOIT $f0, $0, 0
mull $0, $18, $1
subl $17, $1, $1
stl $0, 0(a0)
stl $1, 4(a0)
mov a0, v0
#if FRAME > 0
lda sp, FRAME(sp)
#endif
ret
$divbyzero:
mov a0, v0
lda a0, GEN_INTDIV
call_pal PAL_gentrap
stl zero, 0(v0)
stl zero, 4(v0)
#if FRAME > 0
lda sp, FRAME(sp)
#endif
ret
.end div