| /* 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) |