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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>
46 lines
1 KiB
ArmAsm
46 lines
1 KiB
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_modsi3)
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{
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p2 = cmp.ge(r0,#0)
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r2 = abs(r0)
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r1 = abs(r1)
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}
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{
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r3 = cl0(r2)
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r4 = cl0(r1)
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p0 = cmp.gtu(r1,r2)
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}
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{
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r3 = sub(r4,r3)
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if (p0) jumpr r31
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}
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{
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p1 = cmp.eq(r3,#0)
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loop0(1f,r3)
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r0 = r2
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r2 = lsl(r1,r3)
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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,r0)
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if (!p0.new) r0 = sub(r0,r2)
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r2 = lsr(r2,#1)
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if (p1) r1 = #0
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}:endloop0
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{
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p0 = cmp.gtu(r2,r0)
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if (!p0.new) r0 = sub(r0,r1)
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if (p2) jumpr r31
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}
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{
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r0 = neg(r0)
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jumpr r31
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}
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SYM_FUNC_END(__hexagon_modsi3)
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