| /* 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) |
