mirror of
https://github.com/FEX-Emu/linux.git
synced 2024-12-28 04:17:47 +00:00
1b35a57b1c
For the explicit calls to .udiv/.umul in assembler, I made a mechanical (read as: safe) transformation. I didn't attempt to make any simplifications. In particular, __ndelay and __udelay can be simplified significantly. Some of the %y reads are unnecessary and these routines have no need any longer for allocating a register window, they can be leaf functions. Signed-off-by: David S. Miller <davem@davemloft.net>
77 lines
1.9 KiB
ArmAsm
77 lines
1.9 KiB
ArmAsm
/* 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 __muldi3
|
|
__muldi3:
|
|
save %sp, -104, %sp
|
|
wr %g0, %i1, %y
|
|
sra %i3, 0x1f, %g2
|
|
and %i1, %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, %l2
|
|
rd %y, %o1
|
|
mov %o1, %l3
|
|
mov %i1, %o0
|
|
mov %i2, %o1
|
|
umul %o0, %o1, %o0
|
|
mov %o0, %l0
|
|
mov %i0, %o0
|
|
mov %i3, %o1
|
|
umul %o0, %o1, %o0
|
|
add %l0, %o0, %l0
|
|
mov %l2, %i0
|
|
add %l2, %l0, %i0
|
|
ret
|
|
restore %g0, %l3, %o1
|