linuxdebug/arch/hexagon/lib/divsi3.S

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)