linux/arch/hexagon/lib/memcpy_likely_aligned.S

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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_memcpy_likely_aligned_min32bytes_mult8bytes)
{
p0 = bitsclr(r1,#7)
p0 = bitsclr(r0,#7)
if (p0.new) r5:4 = memd(r1)
if (p0.new) r7:6 = memd(r1+#8)
}
{
if (!p0) jump:nt .Lmemcpy_call
if (p0) r9:8 = memd(r1+#16)
if (p0) r11:10 = memd(r1+#24)
p0 = cmp.gtu(r2,#64)
}
{
if (p0) jump:nt .Lmemcpy_call
if (!p0) memd(r0) = r5:4
if (!p0) memd(r0+#8) = r7:6
p0 = cmp.gtu(r2,#32)
}
{
p1 = cmp.gtu(r2,#40)
p2 = cmp.gtu(r2,#48)
if (p0) r13:12 = memd(r1+#32)
if (p1.new) r15:14 = memd(r1+#40)
}
{
memd(r0+#16) = r9:8
memd(r0+#24) = r11:10
}
{
if (p0) memd(r0+#32) = r13:12
if (p1) memd(r0+#40) = r15:14
if (!p2) jumpr:t r31
}
{
p0 = cmp.gtu(r2,#56)
r5:4 = memd(r1+#48)
if (p0.new) r7:6 = memd(r1+#56)
}
{
memd(r0+#48) = r5:4
if (p0) memd(r0+#56) = r7:6
jumpr r31
}
.Lmemcpy_call:
jump memcpy
SYM_FUNC_END(__hexagon_memcpy_likely_aligned_min32bytes_mult8bytes)