xref: /openbmc/linux/arch/hexagon/lib/udivsi3.S (revision f1f99adf)
1*f1f99adfSSid Manning/* SPDX-License-Identifier: GPL-2.0-only */
2*f1f99adfSSid Manning/*
3*f1f99adfSSid Manning * Copyright (c) 2021, The Linux Foundation. All rights reserved.
4*f1f99adfSSid Manning */
5*f1f99adfSSid Manning
6*f1f99adfSSid Manning#include <linux/linkage.h>
7*f1f99adfSSid Manning
8*f1f99adfSSid ManningSYM_FUNC_START(__hexagon_udivsi3)
9*f1f99adfSSid Manning        {
10*f1f99adfSSid Manning                r2 = cl0(r0)
11*f1f99adfSSid Manning                r3 = cl0(r1)
12*f1f99adfSSid Manning                r5:4 = combine(#1,#0)
13*f1f99adfSSid Manning                p0 = cmp.gtu(r1,r0)
14*f1f99adfSSid Manning        }
15*f1f99adfSSid Manning        {
16*f1f99adfSSid Manning                r6 = sub(r3,r2)
17*f1f99adfSSid Manning                r4 = r1
18*f1f99adfSSid Manning                r1:0 = combine(r0,r4)
19*f1f99adfSSid Manning                if (p0) jumpr r31
20*f1f99adfSSid Manning        }
21*f1f99adfSSid Manning        {
22*f1f99adfSSid Manning                r3:2 = vlslw(r5:4,r6)
23*f1f99adfSSid Manning                loop0(1f,r6)
24*f1f99adfSSid Manning        }
25*f1f99adfSSid Manning        .falign
26*f1f99adfSSid Manning1:
27*f1f99adfSSid Manning        {
28*f1f99adfSSid Manning                p0 = cmp.gtu(r2,r1)
29*f1f99adfSSid Manning                if (!p0.new) r1 = sub(r1,r2)
30*f1f99adfSSid Manning                if (!p0.new) r0 = add(r0,r3)
31*f1f99adfSSid Manning                r3:2 = vlsrw(r3:2,#1)
32*f1f99adfSSid Manning        }:endloop0
33*f1f99adfSSid Manning        {
34*f1f99adfSSid Manning                p0 = cmp.gtu(r2,r1)
35*f1f99adfSSid Manning                if (!p0.new) r0 = add(r0,r3)
36*f1f99adfSSid Manning                jumpr r31
37*f1f99adfSSid Manning        }
38*f1f99adfSSid ManningSYM_FUNC_END(__hexagon_udivsi3)
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