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- /* 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)
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