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_divsi3) 9*f1f99adfSSid Manning { 10*f1f99adfSSid Manning p0 = cmp.gt(r0,#-1) 11*f1f99adfSSid Manning p1 = cmp.gt(r1,#-1) 12*f1f99adfSSid Manning r3:2 = vabsw(r1:0) 13*f1f99adfSSid Manning } 14*f1f99adfSSid Manning { 15*f1f99adfSSid Manning p3 = xor(p0,p1) 16*f1f99adfSSid Manning r4 = sub(r2,r3) 17*f1f99adfSSid Manning r6 = cl0(r2) 18*f1f99adfSSid Manning p0 = cmp.gtu(r3,r2) 19*f1f99adfSSid Manning } 20*f1f99adfSSid Manning { 21*f1f99adfSSid Manning r0 = mux(p3,#-1,#1) 22*f1f99adfSSid Manning r7 = cl0(r3) 23*f1f99adfSSid Manning p1 = cmp.gtu(r3,r4) 24*f1f99adfSSid Manning } 25*f1f99adfSSid Manning { 26*f1f99adfSSid Manning r0 = mux(p0,#0,r0) 27*f1f99adfSSid Manning p0 = or(p0,p1) 28*f1f99adfSSid Manning if (p0.new) jumpr:nt r31 29*f1f99adfSSid Manning r6 = sub(r7,r6) 30*f1f99adfSSid Manning } 31*f1f99adfSSid Manning { 32*f1f99adfSSid Manning r7 = r6 33*f1f99adfSSid Manning r5:4 = combine(#1,r3) 34*f1f99adfSSid Manning r6 = add(#1,lsr(r6,#1)) 35*f1f99adfSSid Manning p0 = cmp.gtu(r6,#4) 36*f1f99adfSSid Manning } 37*f1f99adfSSid Manning { 38*f1f99adfSSid Manning r5:4 = vaslw(r5:4,r7) 39*f1f99adfSSid Manning if (!p0) r6 = #3 40*f1f99adfSSid Manning } 41*f1f99adfSSid Manning { 42*f1f99adfSSid Manning loop0(1f,r6) 43*f1f99adfSSid Manning r7:6 = vlsrw(r5:4,#1) 44*f1f99adfSSid Manning r1:0 = #0 45*f1f99adfSSid Manning } 46*f1f99adfSSid Manning .falign 47*f1f99adfSSid Manning1: 48*f1f99adfSSid Manning { 49*f1f99adfSSid Manning r5:4 = vlsrw(r5:4,#2) 50*f1f99adfSSid Manning if (!p0.new) r0 = add(r0,r5) 51*f1f99adfSSid Manning if (!p0.new) r2 = sub(r2,r4) 52*f1f99adfSSid Manning p0 = cmp.gtu(r4,r2) 53*f1f99adfSSid Manning } 54*f1f99adfSSid Manning { 55*f1f99adfSSid Manning r7:6 = vlsrw(r7:6,#2) 56*f1f99adfSSid Manning if (!p0.new) r0 = add(r0,r7) 57*f1f99adfSSid Manning if (!p0.new) r2 = sub(r2,r6) 58*f1f99adfSSid Manning p0 = cmp.gtu(r6,r2) 59*f1f99adfSSid Manning }:endloop0 60*f1f99adfSSid Manning { 61*f1f99adfSSid Manning if (!p0) r0 = add(r0,r7) 62*f1f99adfSSid Manning } 63*f1f99adfSSid Manning { 64*f1f99adfSSid Manning if (p3) r0 = sub(r1,r0) 65*f1f99adfSSid Manning jumpr r31 66*f1f99adfSSid Manning } 67*f1f99adfSSid ManningSYM_FUNC_END(__hexagon_divsi3) 68