68 lines
1.6 KiB
ArmAsm
68 lines
1.6 KiB
ArmAsm
|
/* SPDX-License-Identifier: GPL-2.0-only */
|
||
|
|
/*
|
||
|
|
* Copyright (c) 2021, The Linux Foundation. All rights reserved.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <linux/linkage.h>
|
||
|
|
|
||
|
|
SYM_FUNC_START(__hexagon_divsi3)
|
||
|
|
{
|
||
|
|
p0 = cmp.gt(r0,#-1)
|
||
|
|
p1 = cmp.gt(r1,#-1)
|
||
|
|
r3:2 = vabsw(r1:0)
|
||
|
|
}
|
||
|
|
{
|
||
|
|
p3 = xor(p0,p1)
|
||
|
|
r4 = sub(r2,r3)
|
||
|
|
r6 = cl0(r2)
|
||
|
|
p0 = cmp.gtu(r3,r2)
|
||
|
|
}
|
||
|
|
{
|
||
|
|
r0 = mux(p3,#-1,#1)
|
||
|
|
r7 = cl0(r3)
|
||
|
|
p1 = cmp.gtu(r3,r4)
|
||
|
|
}
|
||
|
|
{
|
||
|
|
r0 = mux(p0,#0,r0)
|
||
|
|
p0 = or(p0,p1)
|
||
|
|
if (p0.new) jumpr:nt r31
|
||
|
|
r6 = sub(r7,r6)
|
||
|
|
}
|
||
|
|
{
|
||
|
|
r7 = r6
|
||
|
|
r5:4 = combine(#1,r3)
|
||
|
|
r6 = add(#1,lsr(r6,#1))
|
||
|
|
p0 = cmp.gtu(r6,#4)
|
||
|
|
}
|
||
|
|
{
|
||
|
|
r5:4 = vaslw(r5:4,r7)
|
||
|
|
if (!p0) r6 = #3
|
||
|
|
}
|
||
|
|
{
|
||
|
|
loop0(1f,r6)
|
||
|
|
r7:6 = vlsrw(r5:4,#1)
|
||
|
|
r1:0 = #0
|
||
|
|
}
|
||
|
|
.falign
|
||
|
|
1:
|
||
|
|
{
|
||
|
|
r5:4 = vlsrw(r5:4,#2)
|
||
|
|
if (!p0.new) r0 = add(r0,r5)
|
||
|
|
if (!p0.new) r2 = sub(r2,r4)
|
||
|
|
p0 = cmp.gtu(r4,r2)
|
||
|
|
}
|
||
|
|
{
|
||
|
|
r7:6 = vlsrw(r7:6,#2)
|
||
|
|
if (!p0.new) r0 = add(r0,r7)
|
||
|
|
if (!p0.new) r2 = sub(r2,r6)
|
||
|
|
p0 = cmp.gtu(r6,r2)
|
||
|
|
}:endloop0
|
||
|
|
{
|
||
|
|
if (!p0) r0 = add(r0,r7)
|
||
|
|
}
|
||
|
|
{
|
||
|
|
if (p3) r0 = sub(r1,r0)
|
||
|
|
jumpr r31
|
||
|
|
}
|
||
|
|
SYM_FUNC_END(__hexagon_divsi3)
|