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torvalds
GitHub Repository: torvalds/linux
 Path: blob/master/arch/hexagon/lib/memcpy_likely_aligned.S
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/* 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_memcpy_likely_aligned_min32bytes_mult8bytes)

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        {

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                p0 = bitsclr(r1,#7)

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                p0 = bitsclr(r0,#7)

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                if (p0.new) r5:4 = memd(r1)

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                if (p0.new) r7:6 = memd(r1+#8)

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        }

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        {

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                if (!p0) jump:nt .Lmemcpy_call

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                if (p0) r9:8 = memd(r1+#16)

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                if (p0) r11:10 = memd(r1+#24)

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                p0 = cmp.gtu(r2,#64)

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        }

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        {

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                if (p0) jump:nt .Lmemcpy_call

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                if (!p0) memd(r0) = r5:4

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                if (!p0) memd(r0+#8) = r7:6

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                p0 = cmp.gtu(r2,#32)

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        }

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        {

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                p1 = cmp.gtu(r2,#40)

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                p2 = cmp.gtu(r2,#48)

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                if (p0) r13:12 = memd(r1+#32)

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                if (p1.new) r15:14 = memd(r1+#40)

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        }

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        {

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                memd(r0+#16) = r9:8

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                memd(r0+#24) = r11:10

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        }

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        {

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                if (p0) memd(r0+#32) = r13:12

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                if (p1) memd(r0+#40) = r15:14

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                if (!p2) jumpr:t r31

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        }

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        {

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                p0 = cmp.gtu(r2,#56)

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                r5:4 = memd(r1+#48)

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                if (p0.new) r7:6 = memd(r1+#56)

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        }

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        {

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                memd(r0+#48) = r5:4

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                if (p0) memd(r0+#56) = r7:6

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                jumpr r31

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        }

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.Lmemcpy_call:

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        jump memcpy

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SYM_FUNC_END(__hexagon_memcpy_likely_aligned_min32bytes_mult8bytes)

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