162306a36Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0-only */
262306a36Sopenharmony_ci/*
362306a36Sopenharmony_ci * Copyright (c) 2021, The Linux Foundation. All rights reserved.
462306a36Sopenharmony_ci */
562306a36Sopenharmony_ci
662306a36Sopenharmony_ci#include <linux/linkage.h>
762306a36Sopenharmony_ci
862306a36Sopenharmony_ciSYM_FUNC_START(__hexagon_divsi3)
962306a36Sopenharmony_ci        {
1062306a36Sopenharmony_ci                p0 = cmp.gt(r0,#-1)
1162306a36Sopenharmony_ci                p1 = cmp.gt(r1,#-1)
1262306a36Sopenharmony_ci                r3:2 = vabsw(r1:0)
1362306a36Sopenharmony_ci        }
1462306a36Sopenharmony_ci        {
1562306a36Sopenharmony_ci                p3 = xor(p0,p1)
1662306a36Sopenharmony_ci                r4 = sub(r2,r3)
1762306a36Sopenharmony_ci                r6 = cl0(r2)
1862306a36Sopenharmony_ci                p0 = cmp.gtu(r3,r2)
1962306a36Sopenharmony_ci        }
2062306a36Sopenharmony_ci        {
2162306a36Sopenharmony_ci                r0 = mux(p3,#-1,#1)
2262306a36Sopenharmony_ci                r7 = cl0(r3)
2362306a36Sopenharmony_ci                p1 = cmp.gtu(r3,r4)
2462306a36Sopenharmony_ci        }
2562306a36Sopenharmony_ci        {
2662306a36Sopenharmony_ci                r0 = mux(p0,#0,r0)
2762306a36Sopenharmony_ci                p0 = or(p0,p1)
2862306a36Sopenharmony_ci                if (p0.new) jumpr:nt r31
2962306a36Sopenharmony_ci                r6 = sub(r7,r6)
3062306a36Sopenharmony_ci        }
3162306a36Sopenharmony_ci        {
3262306a36Sopenharmony_ci                r7 = r6
3362306a36Sopenharmony_ci                r5:4 = combine(#1,r3)
3462306a36Sopenharmony_ci                r6 = add(#1,lsr(r6,#1))
3562306a36Sopenharmony_ci                p0 = cmp.gtu(r6,#4)
3662306a36Sopenharmony_ci        }
3762306a36Sopenharmony_ci        {
3862306a36Sopenharmony_ci                r5:4 = vaslw(r5:4,r7)
3962306a36Sopenharmony_ci                if (!p0) r6 = #3
4062306a36Sopenharmony_ci        }
4162306a36Sopenharmony_ci        {
4262306a36Sopenharmony_ci                loop0(1f,r6)
4362306a36Sopenharmony_ci                r7:6 = vlsrw(r5:4,#1)
4462306a36Sopenharmony_ci                r1:0 = #0
4562306a36Sopenharmony_ci        }
4662306a36Sopenharmony_ci        .falign
4762306a36Sopenharmony_ci1:
4862306a36Sopenharmony_ci        {
4962306a36Sopenharmony_ci                r5:4 = vlsrw(r5:4,#2)
5062306a36Sopenharmony_ci                if (!p0.new) r0 = add(r0,r5)
5162306a36Sopenharmony_ci                if (!p0.new) r2 = sub(r2,r4)
5262306a36Sopenharmony_ci                p0 = cmp.gtu(r4,r2)
5362306a36Sopenharmony_ci        }
5462306a36Sopenharmony_ci        {
5562306a36Sopenharmony_ci                r7:6 = vlsrw(r7:6,#2)
5662306a36Sopenharmony_ci                if (!p0.new) r0 = add(r0,r7)
5762306a36Sopenharmony_ci                if (!p0.new) r2 = sub(r2,r6)
5862306a36Sopenharmony_ci                p0 = cmp.gtu(r6,r2)
5962306a36Sopenharmony_ci        }:endloop0
6062306a36Sopenharmony_ci        {
6162306a36Sopenharmony_ci                if (!p0) r0 = add(r0,r7)
6262306a36Sopenharmony_ci        }
6362306a36Sopenharmony_ci        {
6462306a36Sopenharmony_ci                if (p3) r0 = sub(r1,r0)
6562306a36Sopenharmony_ci                jumpr r31
6662306a36Sopenharmony_ci        }
6762306a36Sopenharmony_ciSYM_FUNC_END(__hexagon_divsi3)
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