f1f99adf05
Add the compiler-rt builtins like memcpy to the hexagon kernel. Signed-off-by: Sid Manning <sidneym@codeaurora.org> Add SYM_FUNC_START/END, ksyms exports Signed-off-by: Brian Cain <bcain@codeaurora.org> Tested-by: Nick Desaulniers <ndesaulniers@google.com>
39 lines
938 B
ArmAsm
39 lines
938 B
ArmAsm
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright (c) 2021, The Linux Foundation. All rights reserved.
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*/
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#include <linux/linkage.h>
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SYM_FUNC_START(__hexagon_udivsi3)
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{
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r2 = cl0(r0)
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r3 = cl0(r1)
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r5:4 = combine(#1,#0)
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p0 = cmp.gtu(r1,r0)
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}
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{
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r6 = sub(r3,r2)
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r4 = r1
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r1:0 = combine(r0,r4)
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if (p0) jumpr r31
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}
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{
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r3:2 = vlslw(r5:4,r6)
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loop0(1f,r6)
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}
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.falign
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1:
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{
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p0 = cmp.gtu(r2,r1)
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if (!p0.new) r1 = sub(r1,r2)
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if (!p0.new) r0 = add(r0,r3)
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r3:2 = vlsrw(r3:2,#1)
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}:endloop0
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{
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p0 = cmp.gtu(r2,r1)
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if (!p0.new) r0 = add(r0,r3)
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jumpr r31
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}
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SYM_FUNC_END(__hexagon_udivsi3)
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