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bminor/glibc:sysdeps/aarch64/memcmp.S:1 | /* memcmp - compare memory
Copyright (C) 2013-2017 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; ... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memcmp.S | LGPL-2.1 | 922369032c604b4dcfd535e1bcddd4687e7126a5 | github | libc | https://github.com/bminor/glibc/blob/922369032c604b4dcfd535e1bcddd4687e7126a5/sysdeps/aarch64/memcmp.S | 1 | 60 |
bminor/glibc:sysdeps/aarch64/memcmp.S:1 | /* memcmp - compare memory
Copyright (C) 2013-2017 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; ... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memcmp.S | LGPL-2.1 | bfff8b1becd7d01c074177df7196ab327cd8c844 | github | libc | https://github.com/bminor/glibc/blob/bfff8b1becd7d01c074177df7196ab327cd8c844/sysdeps/aarch64/memcmp.S | 1 | 60 |
bminor/glibc:sysdeps/aarch64/memcmp.S:2 | #define endloop x7
#define tmp1 x8
#define tmp2 x9
#define tmp3 x10
#define pos x11
#define limit_wd x12
#define mask x13
ENTRY_ALIGN (memcmp, 6)
DELOUSE (0)
DELOUSE (1)
DELOUSE (2)
cbz limit, L(ret0)
eor tmp1, src1, src2
tst tmp1, #7
b.ne L(misaligned8)
ands tmp1, src1, #7
b.ne L(mutual_align)
add lim... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memcmp.S | LGPL-2.1 | bfff8b1becd7d01c074177df7196ab327cd8c844 | github | libc | https://github.com/bminor/glibc/blob/bfff8b1becd7d01c074177df7196ab327cd8c844/sysdeps/aarch64/memcmp.S | 41 | 100 |
bminor/glibc:sysdeps/aarch64/memcmp.S:3 | #ifdef __AARCH64EB__
lsr mask, mask, limit
#else
lsl mask, mask, limit
#endif
bic data1, data1, mask
bic data2, data2, mask
orr diff, diff, mask
L(not_limit):
#ifndef __AARCH64EB__
rev diff, diff
rev data1, data1
rev data2, data2
#endif
/* The MS-non-zero bit of DIFF marks either the first bit
that is di... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memcmp.S | LGPL-2.1 | bfff8b1becd7d01c074177df7196ab327cd8c844 | github | libc | https://github.com/bminor/glibc/blob/bfff8b1becd7d01c074177df7196ab327cd8c844/sysdeps/aarch64/memcmp.S | 81 | 140 |
bminor/glibc:sysdeps/aarch64/memcmp.S:4 | mov tmp2, #~0
#ifdef __AARCH64EB__
/* Big-endian. Early bytes are at MSB. */
lsl tmp2, tmp2, tmp1 /* Shift (tmp1 & 63). */
#else
/* Little-endian. Early bytes are at LSB. */
lsr tmp2, tmp2, tmp1 /* Shift (tmp1 & 63). */
#endif
add limit_wd, limit, #7
orr data1, data1, tmp2
orr data2, data2, tmp2
lsr limit... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memcmp.S | LGPL-2.1 | bfff8b1becd7d01c074177df7196ab327cd8c844 | github | libc | https://github.com/bminor/glibc/blob/bfff8b1becd7d01c074177df7196ab327cd8c844/sysdeps/aarch64/memcmp.S | 121 | 154 |
bminor/glibc:sysdeps/aarch64/memcmp.S:1 | /* memcmp - compare memory
Copyright (C) 2013-2016 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; ... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memcmp.S | LGPL-2.1 | 389d1f1b232b3d6b9d73ee2c50e543ace6675621 | github | libc | https://github.com/bminor/glibc/blob/389d1f1b232b3d6b9d73ee2c50e543ace6675621/sysdeps/aarch64/memcmp.S | 1 | 60 |
bminor/glibc:sysdeps/aarch64/memcmp.S:1 | /* memcmp - compare memory
Copyright (C) 2013-2016 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; ... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memcmp.S | LGPL-2.1 | f7a9f785e547bd599dee496fd906a28bcb4ec7fe | github | libc | https://github.com/bminor/glibc/blob/f7a9f785e547bd599dee496fd906a28bcb4ec7fe/sysdeps/aarch64/memcmp.S | 1 | 60 |
bminor/glibc:sysdeps/aarch64/memcmp.S:2 | #define endloop x7
#define tmp1 x8
#define tmp2 x9
#define tmp3 x10
#define pos x11
#define limit_wd x12
#define mask x13
ENTRY_ALIGN (memcmp, 6)
cbz limit, L(ret0)
eor tmp1, src1, src2
tst tmp1, #7
b.ne L(misaligned8)
ands tmp1, src1, #7
b.ne L(mutual_align)
add limit_wd, limit, #7
lsr limit_wd, limit_w... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memcmp.S | LGPL-2.1 | f7a9f785e547bd599dee496fd906a28bcb4ec7fe | github | libc | https://github.com/bminor/glibc/blob/f7a9f785e547bd599dee496fd906a28bcb4ec7fe/sysdeps/aarch64/memcmp.S | 41 | 100 |
bminor/glibc:sysdeps/aarch64/memcmp.S:3 | lsl mask, mask, limit
#endif
bic data1, data1, mask
bic data2, data2, mask
orr diff, diff, mask
L(not_limit):
#ifndef __AARCH64EB__
rev diff, diff
rev data1, data1
rev data2, data2
#endif
/* The MS-non-zero bit of DIFF marks either the first bit
that is different, or the end of the significant data.
Sh... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memcmp.S | LGPL-2.1 | f7a9f785e547bd599dee496fd906a28bcb4ec7fe | github | libc | https://github.com/bminor/glibc/blob/f7a9f785e547bd599dee496fd906a28bcb4ec7fe/sysdeps/aarch64/memcmp.S | 81 | 140 |
bminor/glibc:sysdeps/aarch64/memcmp.S:4 | lsl tmp2, tmp2, tmp1 /* Shift (tmp1 & 63). */
#else
/* Little-endian. Early bytes are at LSB. */
lsr tmp2, tmp2, tmp1 /* Shift (tmp1 & 63). */
#endif
add limit_wd, limit, #7
orr data1, data1, tmp2
orr data2, data2, tmp2
lsr limit_wd, limit_wd, #3
b L(start_realigned)
L(ret0):
mov result, #0
RET
.p2align... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memcmp.S | LGPL-2.1 | f7a9f785e547bd599dee496fd906a28bcb4ec7fe | github | libc | https://github.com/bminor/glibc/blob/f7a9f785e547bd599dee496fd906a28bcb4ec7fe/sysdeps/aarch64/memcmp.S | 121 | 151 |
bminor/glibc:sysdeps/aarch64/memcmp.S:1 | /* memcmp - compare memory
Copyright (C) 2013-2015 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; ... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memcmp.S | LGPL-2.1 | 890b7a4b33d482b5c768ab47d70758b80227e9bc | github | libc | https://github.com/bminor/glibc/blob/890b7a4b33d482b5c768ab47d70758b80227e9bc/sysdeps/aarch64/memcmp.S | 1 | 60 |
bminor/glibc:sysdeps/aarch64/memcpy.S:1 | /* Generic optimized memcpy using SIMD.
Copyright (C) 2012-2026 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software ... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memcpy.S | LGPL-2.1 | 04e750e75b73957cf1c791535a3f4319534a52fc | github | libc | https://github.com/bminor/glibc/blob/04e750e75b73957cf1c791535a3f4319534a52fc/sysdeps/aarch64/memcpy.S | 1 | 60 |
bminor/glibc:sysdeps/aarch64/memcpy.S:2 | #define tmp1 x14
#define A_q q0
#define B_q q1
#define C_q q2
#define D_q q3
#define E_q q4
#define F_q q5
#define G_q q6
#define H_q q7
#ifndef MEMMOVE
# define MEMMOVE memmove
#endif
#ifndef MEMCPY
# define MEMCPY memcpy
#endif
/* This implementation supports both memcpy and memmove and shares most code.
It use... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memcpy.S | LGPL-2.1 | 04e750e75b73957cf1c791535a3f4319534a52fc | github | libc | https://github.com/bminor/glibc/blob/04e750e75b73957cf1c791535a3f4319534a52fc/sysdeps/aarch64/memcpy.S | 41 | 100 |
bminor/glibc:sysdeps/aarch64/memcpy.S:3 | cmp count, 16
b.lo L(copy16)
ldr A_q, [src]
ldr B_q, [srcend, -16]
str A_q, [dstin]
str B_q, [dstend, -16]
ret
/* Copy 8-15 bytes. */
L(copy16):
tbz count, 3, L(copy8)
ldr A_l, [src]
ldr A_h, [srcend, -8]
str A_l, [dstin]
str A_h, [dstend, -8]
ret
/* Copy 4-7 bytes. */
L(copy8):
tbz count, 2, L(copy4... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memcpy.S | LGPL-2.1 | 04e750e75b73957cf1c791535a3f4319534a52fc | github | libc | https://github.com/bminor/glibc/blob/04e750e75b73957cf1c791535a3f4319534a52fc/sysdeps/aarch64/memcpy.S | 81 | 140 |
bminor/glibc:sysdeps/aarch64/memcpy.S:4 | /* Medium copies: 33..128 bytes. */
L(copy32_128):
ldp A_q, B_q, [src]
ldp C_q, D_q, [srcend, -32]
cmp count, 64
b.hi L(copy128)
stp A_q, B_q, [dstin]
stp C_q, D_q, [dstend, -32]
ret
.p2align 4
/* Copy 65..128 bytes. */
L(copy128):
ldp E_q, F_q, [src, 32]
cmp count, 96
b.ls L(copy96)
ldp G_q, H_q, [srce... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memcpy.S | LGPL-2.1 | 04e750e75b73957cf1c791535a3f4319534a52fc | github | libc | https://github.com/bminor/glibc/blob/04e750e75b73957cf1c791535a3f4319534a52fc/sysdeps/aarch64/memcpy.S | 121 | 180 |
bminor/glibc:sysdeps/aarch64/memcpy.S:5 | L(loop64):
stp A_q, B_q, [dst, 16]
ldp A_q, B_q, [src, 80]
stp C_q, D_q, [dst, 48]
ldp C_q, D_q, [src, 112]
add src, src, 64
add dst, dst, 64
subs count, count, 64
b.hi L(loop64)
/* Write the last iteration and copy 64 bytes from the end. */
L(copy64_from_end):
ldp E_q, F_q, [srcend, -64]
stp A_q, B_q, [ds... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memcpy.S | LGPL-2.1 | 04e750e75b73957cf1c791535a3f4319534a52fc | github | libc | https://github.com/bminor/glibc/blob/04e750e75b73957cf1c791535a3f4319534a52fc/sysdeps/aarch64/memcpy.S | 161 | 220 |
bminor/glibc:sysdeps/aarch64/memcpy.S:6 | L(move_long):
/* Only use backward copy if there is an overlap. */
sub tmp1, dstin, src
cbz tmp1, L(move0)
cmp tmp1, count
b.hs L(copy_long)
/* Large backwards copy for overlapping copies.
Copy 16 bytes and then align srcend to 16-byte alignment. */
L(copy_long_backwards):
ldr D_q, [srcend, -16]
and tmp1... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memcpy.S | LGPL-2.1 | 04e750e75b73957cf1c791535a3f4319534a52fc | github | libc | https://github.com/bminor/glibc/blob/04e750e75b73957cf1c791535a3f4319534a52fc/sysdeps/aarch64/memcpy.S | 201 | 246 |
bminor/glibc:sysdeps/aarch64/memcpy.S:1 | /* Generic optimized memcpy using SIMD.
Copyright (C) 2012-2025 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software ... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memcpy.S | LGPL-2.1 | ce2f26a22e6b6f5c108d156afd9b43a452bb024c | github | libc | https://github.com/bminor/glibc/blob/ce2f26a22e6b6f5c108d156afd9b43a452bb024c/sysdeps/aarch64/memcpy.S | 1 | 60 |
bminor/glibc:sysdeps/aarch64/memcpy.S:2 | #define tmp1 x14
#define A_q q0
#define B_q q1
#define C_q q2
#define D_q q3
#define E_q q4
#define F_q q5
#define G_q q6
#define H_q q7
#ifndef MEMMOVE
# define MEMMOVE memmove
#endif
#ifndef MEMCPY
# define MEMCPY memcpy
#endif
/* This implementation supports both memcpy and memmove and shares most code.
It use... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memcpy.S | LGPL-2.1 | 2642002380aafb71a1d3b569b6d7ebeab3284816 | github | libc | https://github.com/bminor/glibc/blob/2642002380aafb71a1d3b569b6d7ebeab3284816/sysdeps/aarch64/memcpy.S | 41 | 100 |
bminor/glibc:sysdeps/aarch64/memcpy.S:3 | cmp count, 32
b.hi L(copy32_128)
/* Small copies: 0..32 bytes. */
cmp count, 16
b.lo L(copy16)
ldr A_q, [src]
ldr B_q, [srcend, -16]
str A_q, [dstin]
str B_q, [dstend, -16]
ret
/* Copy 8-15 bytes. */
L(copy16):
tbz count, 3, L(copy8)
ldr A_l, [src]
ldr A_h, [srcend, -8]
str A_l, [dstin]
str A_h, [dst... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memcpy.S | LGPL-2.1 | 2642002380aafb71a1d3b569b6d7ebeab3284816 | github | libc | https://github.com/bminor/glibc/blob/2642002380aafb71a1d3b569b6d7ebeab3284816/sysdeps/aarch64/memcpy.S | 81 | 140 |
bminor/glibc:sysdeps/aarch64/memcpy.S:4 | L(copy0):
ret
.p2align 4
/* Medium copies: 33..128 bytes. */
L(copy32_128):
ldp A_q, B_q, [src]
ldp C_q, D_q, [srcend, -32]
cmp count, 64
b.hi L(copy128)
stp A_q, B_q, [dstin]
stp C_q, D_q, [dstend, -32]
ret
.p2align 4
/* Copy 65..128 bytes. */
L(copy128):
ldp E_q, F_q, [src, 32]
cmp count, 96
b.ls L... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memcpy.S | LGPL-2.1 | 2642002380aafb71a1d3b569b6d7ebeab3284816 | github | libc | https://github.com/bminor/glibc/blob/2642002380aafb71a1d3b569b6d7ebeab3284816/sysdeps/aarch64/memcpy.S | 121 | 180 |
bminor/glibc:sysdeps/aarch64/memcpy.S:5 | str D_q, [dstin]
ldp C_q, D_q, [src, 48]
subs count, count, 128 + 16 /* Test and readjust count. */
b.ls L(copy64_from_end)
L(loop64):
stp A_q, B_q, [dst, 16]
ldp A_q, B_q, [src, 80]
stp C_q, D_q, [dst, 48]
ldp C_q, D_q, [src, 112]
add src, src, 64
add dst, dst, 64
subs count, count, 64
b.hi L(loop64)
/* ... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memcpy.S | LGPL-2.1 | 2642002380aafb71a1d3b569b6d7ebeab3284816 | github | libc | https://github.com/bminor/glibc/blob/2642002380aafb71a1d3b569b6d7ebeab3284816/sysdeps/aarch64/memcpy.S | 161 | 220 |
bminor/glibc:sysdeps/aarch64/memcpy.S:6 | /* Small moves: 0..32 bytes. */
cmp count, 16
b.lo L(copy16)
ldr A_q, [src]
ldr B_q, [srcend, -16]
str A_q, [dstin]
str B_q, [dstend, -16]
ret
L(move_long):
/* Only use backward copy if there is an overlap. */
sub tmp1, dstin, src
cbz tmp1, L(move0)
cmp tmp1, count
b.hs L(copy_long)
/* Large backwards ... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memcpy.S | LGPL-2.1 | 2642002380aafb71a1d3b569b6d7ebeab3284816 | github | libc | https://github.com/bminor/glibc/blob/2642002380aafb71a1d3b569b6d7ebeab3284816/sysdeps/aarch64/memcpy.S | 201 | 254 |
bminor/glibc:sysdeps/aarch64/memcpy.S:7 | /* Write the last iteration and copy 64 bytes from the start. */
L(copy64_from_start):
ldp E_q, F_q, [src, 32]
stp A_q, B_q, [dstend, -32]
ldp A_q, B_q, [src]
stp C_q, D_q, [dstend, -64]
stp E_q, F_q, [dstin, 32]
stp A_q, B_q, [dstin]
L(move0):
ret
END (MEMMOVE)
libc_hidden_builtin_def (MEMMOVE) | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memcpy.S | LGPL-2.1 | 2642002380aafb71a1d3b569b6d7ebeab3284816 | github | libc | https://github.com/bminor/glibc/blob/2642002380aafb71a1d3b569b6d7ebeab3284816/sysdeps/aarch64/memcpy.S | 241 | 254 |
bminor/glibc:sysdeps/aarch64/memcpy.S:1 | /* Generic optimized memcpy using SIMD.
Copyright (C) 2012-2024 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software ... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memcpy.S | LGPL-2.1 | dff8da6b3e89b986bb7f6b1ec18cf65d5972e307 | github | libc | https://github.com/bminor/glibc/blob/dff8da6b3e89b986bb7f6b1ec18cf65d5972e307/sysdeps/aarch64/memcpy.S | 1 | 60 |
bminor/glibc:sysdeps/aarch64/memcpy.S:1 | /* Generic optimized memcpy using SIMD.
Copyright (C) 2012-2023 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software ... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memcpy.S | LGPL-2.1 | 6d7e8eda9b85b08f207a6dc6f187e94e4817270f | github | libc | https://github.com/bminor/glibc/blob/6d7e8eda9b85b08f207a6dc6f187e94e4817270f/sysdeps/aarch64/memcpy.S | 1 | 60 |
bminor/glibc:sysdeps/aarch64/memcpy.S:1 | /* Generic optimized memcpy using SIMD.
Copyright (C) 2012-2022 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software ... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memcpy.S | LGPL-2.1 | e6f3fe362f1aab78b1448d69ecdbd9e3872636d3 | github | libc | https://github.com/bminor/glibc/blob/e6f3fe362f1aab78b1448d69ecdbd9e3872636d3/sysdeps/aarch64/memcpy.S | 1 | 60 |
bminor/glibc:sysdeps/aarch64/memcpy.S:1 | /* Copyright (C) 2012-2022 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memcpy.S | LGPL-2.1 | 581c785bf31bc74430320c7856bbfa3875d025fe | github | libc | https://github.com/bminor/glibc/blob/581c785bf31bc74430320c7856bbfa3875d025fe/sysdeps/aarch64/memcpy.S | 1 | 60 |
bminor/glibc:sysdeps/aarch64/memcpy.S:2 | #define C_h x11
#define D_l x12
#define D_h x13
#define E_l x14
#define E_h x15
#define F_l x16
#define F_h x17
#define G_l count
#define G_h dst
#define H_l src
#define H_h srcend
#define tmp1 x14
#ifndef MEMMOVE
# define MEMMOVE memmove
#endif
#ifndef MEMCPY
# define MEMCPY memcpy
#endif
/* This implementation supp... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memcpy.S | LGPL-2.1 | 581c785bf31bc74430320c7856bbfa3875d025fe | github | libc | https://github.com/bminor/glibc/blob/581c785bf31bc74430320c7856bbfa3875d025fe/sysdeps/aarch64/memcpy.S | 41 | 100 |
bminor/glibc:sysdeps/aarch64/memcpy.S:3 | add dstend, dstin, count
cmp count, 128
b.hi L(copy_long)
cmp count, 32
b.hi L(copy32_128)
/* Small copies: 0..32 bytes. */
cmp count, 16
b.lo L(copy16)
ldp A_l, A_h, [src]
ldp D_l, D_h, [srcend, -16]
stp A_l, A_h, [dstin]
stp D_l, D_h, [dstend, -16]
ret
/* Copy 8-15 bytes. */
L(copy16):
tbz count, 3,... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memcpy.S | LGPL-2.1 | 581c785bf31bc74430320c7856bbfa3875d025fe | github | libc | https://github.com/bminor/glibc/blob/581c785bf31bc74430320c7856bbfa3875d025fe/sysdeps/aarch64/memcpy.S | 81 | 140 |
bminor/glibc:sysdeps/aarch64/memcpy.S:4 | ldrb B_lw, [src, tmp1]
strb A_lw, [dstin]
strb B_lw, [dstin, tmp1]
strb C_lw, [dstend, -1]
L(copy0):
ret
.p2align 4
/* Medium copies: 33..128 bytes. */
L(copy32_128):
ldp A_l, A_h, [src]
ldp B_l, B_h, [src, 16]
ldp C_l, C_h, [srcend, -32]
ldp D_l, D_h, [srcend, -16]
cmp count, 64
b.hi L(copy128)
stp A_l,... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memcpy.S | LGPL-2.1 | 581c785bf31bc74430320c7856bbfa3875d025fe | github | libc | https://github.com/bminor/glibc/blob/581c785bf31bc74430320c7856bbfa3875d025fe/sysdeps/aarch64/memcpy.S | 121 | 180 |
bminor/glibc:sysdeps/aarch64/memcpy.S:5 | ret
.p2align 4
/* Copy more than 128 bytes. */
L(copy_long):
/* Copy 16 bytes and then align dst to 16-byte alignment. */
ldp D_l, D_h, [src]
and tmp1, dstin, 15
bic dst, dstin, 15
sub src, src, tmp1
add count, count, tmp1 /* Count is now 16 too large. */
ldp A_l, A_h, [src, 16]
stp D_l, D_h, [dstin]
ldp... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memcpy.S | LGPL-2.1 | 581c785bf31bc74430320c7856bbfa3875d025fe | github | libc | https://github.com/bminor/glibc/blob/581c785bf31bc74430320c7856bbfa3875d025fe/sysdeps/aarch64/memcpy.S | 161 | 220 |
bminor/glibc:sysdeps/aarch64/memcpy.S:6 | stp D_l, D_h, [dst, 64]
stp E_l, E_h, [dstend, -64]
stp A_l, A_h, [dstend, -48]
stp B_l, B_h, [dstend, -32]
stp C_l, C_h, [dstend, -16]
ret
END (MEMCPY)
libc_hidden_builtin_def (MEMCPY)
ENTRY_ALIGN (MEMMOVE, 4)
PTR_ARG (0)
PTR_ARG (1)
SIZE_ARG (2)
add srcend, src, count
add dstend, dstin, count
cmp count,... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memcpy.S | LGPL-2.1 | 581c785bf31bc74430320c7856bbfa3875d025fe | github | libc | https://github.com/bminor/glibc/blob/581c785bf31bc74430320c7856bbfa3875d025fe/sysdeps/aarch64/memcpy.S | 201 | 260 |
bminor/glibc:sysdeps/aarch64/memcpy.S:7 | Copy 16 bytes and then align dst to 16-byte alignment. */
ldp D_l, D_h, [srcend, -16]
and tmp1, dstend, 15
sub srcend, srcend, tmp1
sub count, count, tmp1
ldp A_l, A_h, [srcend, -16]
stp D_l, D_h, [dstend, -16]
ldp B_l, B_h, [srcend, -32]
ldp C_l, C_h, [srcend, -48]
ldp D_l, D_h, [srcend, -64]!
sub dstend, d... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memcpy.S | LGPL-2.1 | 581c785bf31bc74430320c7856bbfa3875d025fe | github | libc | https://github.com/bminor/glibc/blob/581c785bf31bc74430320c7856bbfa3875d025fe/sysdeps/aarch64/memcpy.S | 241 | 284 |
bminor/glibc:sysdeps/aarch64/memcpy.S:1 | /* Copyright (C) 2012-2021 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memcpy.S | LGPL-2.1 | 2b778ceb4010c28d70de9b8eab20e8d88eed586b | github | libc | https://github.com/bminor/glibc/blob/2b778ceb4010c28d70de9b8eab20e8d88eed586b/sysdeps/aarch64/memcpy.S | 1 | 60 |
bminor/glibc:sysdeps/aarch64/memcpy.S:1 | /* Copyright (C) 2012-2020 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memcpy.S | LGPL-2.1 | 45b1e17e9150dbd9ac2d578579063fbfa8e1b327 | github | libc | https://github.com/bminor/glibc/blob/45b1e17e9150dbd9ac2d578579063fbfa8e1b327/sysdeps/aarch64/memcpy.S | 1 | 60 |
bminor/glibc:sysdeps/aarch64/memcpy.S:2 | #define C_h x11
#define D_l x12
#define D_h x13
#define E_l x14
#define E_h x15
#define F_l x16
#define F_h x17
#define G_l count
#define G_h dst
#define H_l src
#define H_h srcend
#define tmp1 x14
#ifndef MEMMOVE
# define MEMMOVE memmove
#endif
#ifndef MEMCPY
# define MEMCPY memcpy
#endif
/* This implementation supp... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memcpy.S | LGPL-2.1 | 700065132744e0dfa6d4d9142d63f6e3a1934726 | github | libc | https://github.com/bminor/glibc/blob/700065132744e0dfa6d4d9142d63f6e3a1934726/sysdeps/aarch64/memcpy.S | 41 | 100 |
bminor/glibc:sysdeps/aarch64/memcpy.S:5 | ret
.p2align 4
/* Copy more than 128 bytes. */
L(copy_long):
/* Copy 16 bytes and then align dst to 16-byte alignment. */
ldp D_l, D_h, [src]
and tmp1, dstin, 15
bic dst, dstin, 15
sub src, src, tmp1
add count, count, tmp1 /* Count is now 16 too large. */
ldp A_l, A_h, [src, 16]
stp D_l, D_h, [dstin]
ldp... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memcpy.S | LGPL-2.1 | 700065132744e0dfa6d4d9142d63f6e3a1934726 | github | libc | https://github.com/bminor/glibc/blob/700065132744e0dfa6d4d9142d63f6e3a1934726/sysdeps/aarch64/memcpy.S | 161 | 220 |
bminor/glibc:sysdeps/aarch64/memcpy.S:6 | stp D_l, D_h, [dst, 64]
stp E_l, E_h, [dstend, -64]
stp A_l, A_h, [dstend, -48]
stp B_l, B_h, [dstend, -32]
stp C_l, C_h, [dstend, -16]
ret
END (MEMCPY)
libc_hidden_builtin_def (MEMCPY)
ENTRY_ALIGN (MEMMOVE, 4)
DELOUSE (0)
DELOUSE (1)
DELOUSE (2)
add srcend, src, count
add dstend, dstin, count
cmp count, ... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memcpy.S | LGPL-2.1 | 700065132744e0dfa6d4d9142d63f6e3a1934726 | github | libc | https://github.com/bminor/glibc/blob/700065132744e0dfa6d4d9142d63f6e3a1934726/sysdeps/aarch64/memcpy.S | 201 | 260 |
bminor/glibc:sysdeps/aarch64/memcpy.S:1 | /* Copyright (C) 2012-2020 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memcpy.S | LGPL-2.1 | d614a7539657941a9201c236b2f15afac18e1213 | github | libc | https://github.com/bminor/glibc/blob/d614a7539657941a9201c236b2f15afac18e1213/sysdeps/aarch64/memcpy.S | 1 | 60 |
bminor/glibc:sysdeps/aarch64/memcpy.S:2 | #define C_h x11
#define D_l x12
#define D_h x13
#define E_l x14
#define E_h x15
#define F_l x16
#define F_h x17
#define G_l count
#define G_h dst
#define H_l src
#define H_h srcend
#define tmp1 x14
/* Copies are split into 3 main cases: small copies of up to 32 bytes,
medium copies of 33..128 bytes which are fully ... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memcpy.S | LGPL-2.1 | d614a7539657941a9201c236b2f15afac18e1213 | github | libc | https://github.com/bminor/glibc/blob/d614a7539657941a9201c236b2f15afac18e1213/sysdeps/aarch64/memcpy.S | 41 | 100 |
bminor/glibc:sysdeps/aarch64/memcpy.S:3 | /* Common case falls through into memcpy. */
END (MEMMOVE)
libc_hidden_builtin_def (MEMMOVE)
ENTRY (MEMCPY)
DELOUSE (0)
DELOUSE (1)
DELOUSE (2)
prfm PLDL1KEEP, [src]
add srcend, src, count
add dstend, dstin, count
cmp count, 32
b.ls L(copy32)
cmp count, 128
b.hi L(copy_long)
/* Medium copies: 33..128 byt... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memcpy.S | LGPL-2.1 | d614a7539657941a9201c236b2f15afac18e1213 | github | libc | https://github.com/bminor/glibc/blob/d614a7539657941a9201c236b2f15afac18e1213/sysdeps/aarch64/memcpy.S | 81 | 140 |
bminor/glibc:sysdeps/aarch64/memcpy.S:4 | stp B_l, B_h, [dstend, -16]
ret
.p2align 4
1:
/* 8-15 bytes. */
tbz count, 3, 1f
ldr A_l, [src]
ldr A_h, [srcend, -8]
str A_l, [dstin]
str A_h, [dstend, -8]
ret
.p2align 4
1:
/* 4-7 bytes. */
tbz count, 2, 1f
ldr A_lw, [src]
ldr A_hw, [srcend, -4]
str A_lw, [dstin]
str A_hw, [dstend, -4]
ret
/* Cop... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memcpy.S | LGPL-2.1 | d614a7539657941a9201c236b2f15afac18e1213 | github | libc | https://github.com/bminor/glibc/blob/d614a7539657941a9201c236b2f15afac18e1213/sysdeps/aarch64/memcpy.S | 121 | 180 |
bminor/glibc:sysdeps/aarch64/memcpy.S:5 | ldp G_l, G_h, [srcend, -64]
ldp H_l, H_h, [srcend, -48]
stp A_l, A_h, [dstin]
stp B_l, B_h, [dstin, 16]
stp E_l, E_h, [dstin, 32]
stp F_l, F_h, [dstin, 48]
stp G_l, G_h, [dstend, -64]
stp H_l, H_h, [dstend, -48]
stp C_l, C_h, [dstend, -32]
stp D_l, D_h, [dstend, -16]
ret
/* Align DST to 16 byte alignment so... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memcpy.S | LGPL-2.1 | d614a7539657941a9201c236b2f15afac18e1213 | github | libc | https://github.com/bminor/glibc/blob/d614a7539657941a9201c236b2f15afac18e1213/sysdeps/aarch64/memcpy.S | 161 | 220 |
bminor/glibc:sysdeps/aarch64/memcpy.S:6 | subs count, count, 64
b.hi L(loop64)
/* Write the last full set of 64 bytes. The remainder is at most 64
bytes, so it is safe to always copy 64 bytes from the end even if
there is just 1 byte left. */
L(last64):
ldp E_l, E_h, [srcend, -64]
stp A_l, A_h, [dst, 16]
ldp A_l, A_h, [srcend, -48]
stp B_l, B_... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memcpy.S | LGPL-2.1 | d614a7539657941a9201c236b2f15afac18e1213 | github | libc | https://github.com/bminor/glibc/blob/d614a7539657941a9201c236b2f15afac18e1213/sysdeps/aarch64/memcpy.S | 201 | 260 |
bminor/glibc:sysdeps/aarch64/memcpy.S:7 | ldp C_l, C_h, [srcend, -48]
ldp D_l, D_h, [srcend, -64]!
sub dstend, dstend, tmp1
subs count, count, 128
b.ls 2f
nop
1:
stp A_l, A_h, [dstend, -16]
ldp A_l, A_h, [srcend, -16]
stp B_l, B_h, [dstend, -32]
ldp B_l, B_h, [srcend, -32]
stp C_l, C_h, [dstend, -48]
ldp C_l, C_h, [srcend, -48]
stp D_l, D_h, [dste... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memcpy.S | LGPL-2.1 | d614a7539657941a9201c236b2f15afac18e1213 | github | libc | https://github.com/bminor/glibc/blob/d614a7539657941a9201c236b2f15afac18e1213/sysdeps/aarch64/memcpy.S | 241 | 279 |
bminor/glibc:sysdeps/aarch64/memcpy.S:1 | /* Copyright (C) 2012-2019 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memcpy.S | LGPL-2.1 | b9f145df85145506f8e61bac38b792584a38d88f | github | libc | https://github.com/bminor/glibc/blob/b9f145df85145506f8e61bac38b792584a38d88f/sysdeps/aarch64/memcpy.S | 1 | 60 |
bminor/glibc:sysdeps/aarch64/memcpy.S:1 | /* Copyright (C) 2012-2019 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memcpy.S | LGPL-2.1 | 5a82c74822d3272df2f5929133680478c0cfb4bd | github | libc | https://github.com/bminor/glibc/blob/5a82c74822d3272df2f5929133680478c0cfb4bd/sysdeps/aarch64/memcpy.S | 1 | 60 |
bminor/glibc:sysdeps/aarch64/memcpy.S:2 | #define C_h x11
#define D_l x12
#define D_h x13
#define E_l src
#define E_h count
#define F_l srcend
#define F_h dst
#define G_l count
#define G_h dst
#define tmp1 x14
/* Copies are split into 3 main cases: small copies of up to 16 bytes,
medium copies of 17..96 bytes which are fully unrolled. Large copies
of mo... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memcpy.S | LGPL-2.1 | 5a82c74822d3272df2f5929133680478c0cfb4bd | github | libc | https://github.com/bminor/glibc/blob/5a82c74822d3272df2f5929133680478c0cfb4bd/sysdeps/aarch64/memcpy.S | 41 | 100 |
bminor/glibc:sysdeps/aarch64/memcpy.S:3 | END (MEMMOVE)
libc_hidden_builtin_def (MEMMOVE)
ENTRY (MEMCPY)
DELOUSE (0)
DELOUSE (1)
DELOUSE (2)
prfm PLDL1KEEP, [src]
add srcend, src, count
add dstend, dstin, count
cmp count, 16
b.ls L(copy16)
cmp count, 96
b.hi L(copy_long)
/* Medium copies: 17..96 bytes. */
sub tmp1, count, 1
ldp A_l, A_h, [src]... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memcpy.S | LGPL-2.1 | 5a82c74822d3272df2f5929133680478c0cfb4bd | github | libc | https://github.com/bminor/glibc/blob/5a82c74822d3272df2f5929133680478c0cfb4bd/sysdeps/aarch64/memcpy.S | 81 | 140 |
bminor/glibc:sysdeps/aarch64/memcpy.S:4 | ret
.p2align 4
1:
tbz count, 2, 1f
ldr A_lw, [src]
ldr A_hw, [srcend, -4]
str A_lw, [dstin]
str A_hw, [dstend, -4]
ret
/* Copy 0..3 bytes. Use a branchless sequence that copies the same
byte 3 times if count==1, or the 2nd byte twice if count==2. */
1:
cbz count, 2f
lsr tmp1, count, 1
ldrb A_lw, [src]... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memcpy.S | LGPL-2.1 | 5a82c74822d3272df2f5929133680478c0cfb4bd | github | libc | https://github.com/bminor/glibc/blob/5a82c74822d3272df2f5929133680478c0cfb4bd/sysdeps/aarch64/memcpy.S | 121 | 180 |
bminor/glibc:sysdeps/aarch64/memcpy.S:5 | /* Align DST to 16 byte alignment so that we don't cross cache line
boundaries on both loads and stores. There are at least 96 bytes
to copy, so copy 16 bytes unaligned and then align. The loop
copies 64 bytes per iteration and prefetches one iteration ahead. */
.p2align 4
L(copy_long):
and tmp1, dsti... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memcpy.S | LGPL-2.1 | 5a82c74822d3272df2f5929133680478c0cfb4bd | github | libc | https://github.com/bminor/glibc/blob/5a82c74822d3272df2f5929133680478c0cfb4bd/sysdeps/aarch64/memcpy.S | 161 | 220 |
bminor/glibc:sysdeps/aarch64/memcpy.S:6 | stp C_l, C_h, [dst, 48]
ldp C_l, C_h, [srcend, -16]
stp D_l, D_h, [dst, 64]
stp E_l, E_h, [dstend, -64]
stp A_l, A_h, [dstend, -48]
stp B_l, B_h, [dstend, -32]
stp C_l, C_h, [dstend, -16]
ret
.p2align 4
L(move_long):
cbz tmp1, 3f
add srcend, src, count
add dstend, dstin, count
/* Align dstend to 16 byte ... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memcpy.S | LGPL-2.1 | 5a82c74822d3272df2f5929133680478c0cfb4bd | github | libc | https://github.com/bminor/glibc/blob/5a82c74822d3272df2f5929133680478c0cfb4bd/sysdeps/aarch64/memcpy.S | 201 | 260 |
bminor/glibc:sysdeps/aarch64/memcpy.S:7 | stp C_l, C_h, [dstend, -48]
ldp C_l, C_h, [srcend, -48]
stp D_l, D_h, [dstend, -64]!
ldp D_l, D_h, [srcend, -64]!
subs count, count, 64
b.hi 1b
/* Write the last full set of 64 bytes. The remainder is at most 64
bytes, so it is safe to always copy 64 bytes from the start even if
there is just 1 byte lef... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memcpy.S | LGPL-2.1 | 5a82c74822d3272df2f5929133680478c0cfb4bd | github | libc | https://github.com/bminor/glibc/blob/5a82c74822d3272df2f5929133680478c0cfb4bd/sysdeps/aarch64/memcpy.S | 241 | 267 |
bminor/glibc:sysdeps/aarch64/memcpy.S:1 | /* Copyright (C) 2012-2019 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memcpy.S | LGPL-2.1 | 04277e02d7f54d3582bebcf8386b317018cd5e1d | github | libc | https://github.com/bminor/glibc/blob/04277e02d7f54d3582bebcf8386b317018cd5e1d/sysdeps/aarch64/memcpy.S | 1 | 60 |
bminor/glibc:sysdeps/aarch64/memcpy.S:1 | /* Copyright (C) 2012-2018 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memcpy.S | LGPL-2.1 | 688903eb3ef01301d239ab753d309d45720610a7 | github | libc | https://github.com/bminor/glibc/blob/688903eb3ef01301d239ab753d309d45720610a7/sysdeps/aarch64/memcpy.S | 1 | 60 |
bminor/glibc:sysdeps/aarch64/memcpy.S:1 | /* Copyright (C) 2012-2017 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memcpy.S | LGPL-2.1 | 6a2c695266fab34cc057256d1b33d2268183f00e | github | libc | https://github.com/bminor/glibc/blob/6a2c695266fab34cc057256d1b33d2268183f00e/sysdeps/aarch64/memcpy.S | 1 | 60 |
bminor/glibc:sysdeps/aarch64/memcpy.S:2 | #define C_h x11
#define D_l x12
#define D_h x13
#define E_l src
#define E_h count
#define F_l srcend
#define F_h dst
#define G_l count
#define G_h dst
#define tmp1 x14
/* Copies are split into 3 main cases: small copies of up to 16 bytes,
medium copies of 17..96 bytes which are fully unrolled. Large copies
of mo... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memcpy.S | LGPL-2.1 | bfff8b1becd7d01c074177df7196ab327cd8c844 | github | libc | https://github.com/bminor/glibc/blob/bfff8b1becd7d01c074177df7196ab327cd8c844/sysdeps/aarch64/memcpy.S | 41 | 100 |
bminor/glibc:sysdeps/aarch64/memcpy.S:3 | prfm PLDL1KEEP, [src]
add srcend, src, count
add dstend, dstin, count
cmp count, 16
b.ls L(copy16)
cmp count, 96
b.hi L(copy_long)
/* Medium copies: 17..96 bytes. */
sub tmp1, count, 1
ldp A_l, A_h, [src]
tbnz tmp1, 6, L(copy96)
ldp D_l, D_h, [srcend, -16]
tbz tmp1, 5, 1f
ldp B_l, B_h, [src, 16]
ldp C_l... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memcpy.S | LGPL-2.1 | bfff8b1becd7d01c074177df7196ab327cd8c844 | github | libc | https://github.com/bminor/glibc/blob/bfff8b1becd7d01c074177df7196ab327cd8c844/sysdeps/aarch64/memcpy.S | 81 | 140 |
bminor/glibc:sysdeps/aarch64/memcpy.S:4 | str A_hw, [dstend, -4]
ret
/* Copy 0..3 bytes. Use a branchless sequence that copies the same
byte 3 times if count==1, or the 2nd byte twice if count==2. */
1:
cbz count, 2f
lsr tmp1, count, 1
ldrb A_lw, [src]
ldrb A_hw, [srcend, -1]
ldrb B_lw, [src, tmp1]
strb A_lw, [dstin]
strb B_lw, [dstin, tmp1]
s... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memcpy.S | LGPL-2.1 | bfff8b1becd7d01c074177df7196ab327cd8c844 | github | libc | https://github.com/bminor/glibc/blob/bfff8b1becd7d01c074177df7196ab327cd8c844/sysdeps/aarch64/memcpy.S | 121 | 180 |
bminor/glibc:sysdeps/aarch64/memcpy.S:5 | and tmp1, dstin, 15
bic dst, dstin, 15
ldp D_l, D_h, [src]
sub src, src, tmp1
add count, count, tmp1 /* Count is now 16 too large. */
ldp A_l, A_h, [src, 16]
stp D_l, D_h, [dstin]
ldp B_l, B_h, [src, 32]
ldp C_l, C_h, [src, 48]
ldp D_l, D_h, [src, 64]!
subs count, count, 128 + 16 /* Test and readjust count. ... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memcpy.S | LGPL-2.1 | bfff8b1becd7d01c074177df7196ab327cd8c844 | github | libc | https://github.com/bminor/glibc/blob/bfff8b1becd7d01c074177df7196ab327cd8c844/sysdeps/aarch64/memcpy.S | 161 | 220 |
bminor/glibc:sysdeps/aarch64/memcpy.S:6 | ret
.p2align 4
L(move_long):
cbz tmp1, 3f
add srcend, src, count
add dstend, dstin, count
/* Align dstend to 16 byte alignment so that we don't cross cache line
boundaries on both loads and stores. There are at least 96 bytes
to copy, so copy 16 bytes unaligned and then align. The loop
copies 64 b... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memcpy.S | LGPL-2.1 | bfff8b1becd7d01c074177df7196ab327cd8c844 | github | libc | https://github.com/bminor/glibc/blob/bfff8b1becd7d01c074177df7196ab327cd8c844/sysdeps/aarch64/memcpy.S | 201 | 260 |
bminor/glibc:sysdeps/aarch64/memcpy.S:7 | /* Write the last full set of 64 bytes. The remainder is at most 64
bytes, so it is safe to always copy 64 bytes from the start even if
there is just 1 byte left. */
2:
ldp G_l, G_h, [src, 48]
stp A_l, A_h, [dstend, -16]
ldp A_l, A_h, [src, 32]
stp B_l, B_h, [dstend, -32]
ldp B_l, B_h, [src, 16]
stp C_l... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memcpy.S | LGPL-2.1 | bfff8b1becd7d01c074177df7196ab327cd8c844 | github | libc | https://github.com/bminor/glibc/blob/bfff8b1becd7d01c074177df7196ab327cd8c844/sysdeps/aarch64/memcpy.S | 241 | 260 |
bminor/glibc:sysdeps/aarch64/memcpy.S:1 | /* Copyright (C) 2012-2016 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memcpy.S | LGPL-2.1 | 389d1f1b232b3d6b9d73ee2c50e543ace6675621 | github | libc | https://github.com/bminor/glibc/blob/389d1f1b232b3d6b9d73ee2c50e543ace6675621/sysdeps/aarch64/memcpy.S | 1 | 60 |
bminor/glibc:sysdeps/aarch64/memcpy.S:2 | #define C_h x11
#define D_l x12
#define D_h x13
#define E_l src
#define E_h count
#define F_l srcend
#define F_h dst
#define G_l count
#define G_h dst
#define tmp1 x14
/* Copies are split into 3 main cases: small copies of up to 16 bytes,
medium copies of 17..96 bytes which are fully unrolled. Large copies
of mo... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memcpy.S | LGPL-2.1 | a024b39a4e31a049391b459234f6b3575c9fc107 | github | libc | https://github.com/bminor/glibc/blob/a024b39a4e31a049391b459234f6b3575c9fc107/sysdeps/aarch64/memcpy.S | 41 | 100 |
bminor/glibc:sysdeps/aarch64/memcpy.S:3 | /* Medium copies: 17..96 bytes. */
sub tmp1, count, 1
ldp A_l, A_h, [src]
tbnz tmp1, 6, L(copy96)
ldp D_l, D_h, [srcend, -16]
tbz tmp1, 5, 1f
ldp B_l, B_h, [src, 16]
ldp C_l, C_h, [srcend, -32]
stp B_l, B_h, [dstin, 16]
stp C_l, C_h, [dstend, -32]
1:
stp A_l, A_h, [dstin]
stp D_l, D_h, [dstend, -16]
ret
... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memcpy.S | LGPL-2.1 | a024b39a4e31a049391b459234f6b3575c9fc107 | github | libc | https://github.com/bminor/glibc/blob/a024b39a4e31a049391b459234f6b3575c9fc107/sysdeps/aarch64/memcpy.S | 81 | 140 |
bminor/glibc:sysdeps/aarch64/memcpy.S:4 | ldrb A_lw, [src]
ldrb A_hw, [srcend, -1]
ldrb B_lw, [src, tmp1]
strb A_lw, [dstin]
strb B_lw, [dstin, tmp1]
strb A_hw, [dstend, -1]
2: ret
.p2align 4
/* Copy 64..96 bytes. Copy 64 bytes from the start and
32 bytes from the end. */
L(copy96):
ldp B_l, B_h, [src, 16]
ldp C_l, C_h, [src, 32]
ldp D_l, D_h,... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memcpy.S | LGPL-2.1 | a024b39a4e31a049391b459234f6b3575c9fc107 | github | libc | https://github.com/bminor/glibc/blob/a024b39a4e31a049391b459234f6b3575c9fc107/sysdeps/aarch64/memcpy.S | 121 | 180 |
bminor/glibc:sysdeps/aarch64/memcpy.S:5 | ldp C_l, C_h, [src, 48]
ldp D_l, D_h, [src, 64]!
subs count, count, 128 + 16 /* Test and readjust count. */
b.ls 2f
1:
stp A_l, A_h, [dst, 16]
ldp A_l, A_h, [src, 16]
stp B_l, B_h, [dst, 32]
ldp B_l, B_h, [src, 32]
stp C_l, C_h, [dst, 48]
ldp C_l, C_h, [src, 48]
stp D_l, D_h, [dst, 64]!
ldp D_l, D_h, [src, ... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memcpy.S | LGPL-2.1 | a024b39a4e31a049391b459234f6b3575c9fc107 | github | libc | https://github.com/bminor/glibc/blob/a024b39a4e31a049391b459234f6b3575c9fc107/sysdeps/aarch64/memcpy.S | 161 | 220 |
bminor/glibc:sysdeps/aarch64/memcpy.S:6 | /* Align dstend to 16 byte alignment so that we don't cross cache line
boundaries on both loads and stores. There are at least 96 bytes
to copy, so copy 16 bytes unaligned and then align. The loop
copies 64 bytes per iteration and prefetches one iteration ahead. */
and tmp1, dstend, 15
ldp D_l, D_h, [... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memcpy.S | LGPL-2.1 | a024b39a4e31a049391b459234f6b3575c9fc107 | github | libc | https://github.com/bminor/glibc/blob/a024b39a4e31a049391b459234f6b3575c9fc107/sysdeps/aarch64/memcpy.S | 201 | 252 |
bminor/glibc:sysdeps/aarch64/memcpy.S:7 | ldp B_l, B_h, [src, 16]
stp C_l, C_h, [dstend, -48]
ldp C_l, C_h, [src]
stp D_l, D_h, [dstend, -64]
stp G_l, G_h, [dstin, 48]
stp A_l, A_h, [dstin, 32]
stp B_l, B_h, [dstin, 16]
stp C_l, C_h, [dstin]
3: ret
END (memcpy)
libc_hidden_builtin_def (memcpy) | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memcpy.S | LGPL-2.1 | a024b39a4e31a049391b459234f6b3575c9fc107 | github | libc | https://github.com/bminor/glibc/blob/a024b39a4e31a049391b459234f6b3575c9fc107/sysdeps/aarch64/memcpy.S | 241 | 252 |
bminor/glibc:sysdeps/aarch64/memcpy.S:1 | /* Copyright (C) 2012-2016 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memcpy.S | LGPL-2.1 | b998e16e71c8617746b7c39500e925d28ff22ed8 | github | libc | https://github.com/bminor/glibc/blob/b998e16e71c8617746b7c39500e925d28ff22ed8/sysdeps/aarch64/memcpy.S | 1 | 60 |
bminor/glibc:sysdeps/aarch64/memcpy.S:2 | #define D_l x12
#define D_h x13
#define E_l src
#define E_h count
#define F_l srcend
#define F_h dst
#define G_l count
#define G_h dst
#define tmp1 x14
/* Copies are split into 3 main cases: small copies of up to 16 bytes,
medium copies of 17..96 bytes which are fully unrolled. Large copies
of more than 96 bytes... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memcpy.S | LGPL-2.1 | b998e16e71c8617746b7c39500e925d28ff22ed8 | github | libc | https://github.com/bminor/glibc/blob/b998e16e71c8617746b7c39500e925d28ff22ed8/sysdeps/aarch64/memcpy.S | 41 | 100 |
bminor/glibc:sysdeps/aarch64/memcpy.S:3 | L(copy16):
tbz count, 3, 1f
ldr A_l, [src]
ldr A_h, [srcend, -8]
str A_l, [dstin]
str A_h, [dstend, -8]
ret
1:
tbz count, 2, 1f
ldr A_lw, [src]
ldr A_hw, [srcend, -4]
str A_lw, [dstin]
str A_hw, [dstend, -4]
ret
.p2align 4
1:
cbz count, 2f
ldrb A_lw, [src]
tbz count, 1, 1f
ldrh A_hw, [srcend, -2]
strh... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memcpy.S | LGPL-2.1 | b998e16e71c8617746b7c39500e925d28ff22ed8 | github | libc | https://github.com/bminor/glibc/blob/b998e16e71c8617746b7c39500e925d28ff22ed8/sysdeps/aarch64/memcpy.S | 81 | 140 |
bminor/glibc:sysdeps/aarch64/memcpy.S:4 | .p2align 4
/* Copy 64..96 bytes. Copy 64 bytes from the start and
32 bytes from the end. */
L(copy96):
ldp B_l, B_h, [src, 16]
ldp C_l, C_h, [src, 32]
ldp D_l, D_h, [src, 48]
ldp E_l, E_h, [srcend, -32]
ldp F_l, F_h, [srcend, -16]
stp A_l, A_h, [dstin]
stp B_l, B_h, [dstin, 16]
stp C_l, C_h, [dstin, 32]
... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memcpy.S | LGPL-2.1 | b998e16e71c8617746b7c39500e925d28ff22ed8 | github | libc | https://github.com/bminor/glibc/blob/b998e16e71c8617746b7c39500e925d28ff22ed8/sysdeps/aarch64/memcpy.S | 121 | 180 |
bminor/glibc:sysdeps/aarch64/memcpy.S:5 | ldp B_l, B_h, [src, 32]
stp C_l, C_h, [dst, 48]
ldp C_l, C_h, [src, 48]
stp D_l, D_h, [dst, 64]!
ldp D_l, D_h, [src, 64]!
subs count, count, 64
b.hi 1b
/* Write the last full set of 64 bytes. The remainder is at most 64
bytes, so it is safe to always copy 64 bytes from the end even if
there is just 1 b... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memcpy.S | LGPL-2.1 | b998e16e71c8617746b7c39500e925d28ff22ed8 | github | libc | https://github.com/bminor/glibc/blob/b998e16e71c8617746b7c39500e925d28ff22ed8/sysdeps/aarch64/memcpy.S | 161 | 220 |
bminor/glibc:sysdeps/aarch64/memcpy.S:6 | sub srcend, srcend, tmp1
sub count, count, tmp1
ldp A_l, A_h, [srcend, -16]
stp D_l, D_h, [dstend, -16]
ldp B_l, B_h, [srcend, -32]
ldp C_l, C_h, [srcend, -48]
ldp D_l, D_h, [srcend, -64]!
sub dstend, dstend, tmp1
subs count, count, 128
b.ls 2f
nop
1:
stp A_l, A_h, [dstend, -16]
ldp A_l, A_h, [srcend, -16]... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memcpy.S | LGPL-2.1 | b998e16e71c8617746b7c39500e925d28ff22ed8 | github | libc | https://github.com/bminor/glibc/blob/b998e16e71c8617746b7c39500e925d28ff22ed8/sysdeps/aarch64/memcpy.S | 201 | 244 |
bminor/glibc:sysdeps/aarch64/memcpy.S:1 | /* Copyright (C) 2012-2016 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memcpy.S | LGPL-2.1 | f7a9f785e547bd599dee496fd906a28bcb4ec7fe | github | libc | https://github.com/bminor/glibc/blob/f7a9f785e547bd599dee496fd906a28bcb4ec7fe/sysdeps/aarch64/memcpy.S | 1 | 60 |
bminor/glibc:sysdeps/aarch64/memcpy.S:2 | #define C_l x11
#define C_h x12
#define D_l x13
#define D_h x14
#include <sysdep.h>
ENTRY_ALIGN (memcpy, 6)
mov dst, dstin
cmp count, #64
b.ge L(cpy_not_short)
cmp count, #15
b.le L(tail15tiny)
/* Deal with small copies quickly by dropping straight into the
* exit block. */
L(tail63):
/* Copy up to 48 byt... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memcpy.S | LGPL-2.1 | f7a9f785e547bd599dee496fd906a28bcb4ec7fe | github | libc | https://github.com/bminor/glibc/blob/f7a9f785e547bd599dee496fd906a28bcb4ec7fe/sysdeps/aarch64/memcpy.S | 41 | 100 |
bminor/glibc:sysdeps/aarch64/memcpy.S:3 | ldp A_l, A_h, [src, #-16]
add dst, dst, count
stp A_l, A_h, [dst, #-16]
1:
RET
L(tail15tiny):
/* Copy up to 15 bytes of data. Does not assume additional data
being copied. */
tbz count, #3, 1f
ldr tmp1, [src], #8
str tmp1, [dst], #8
1:
tbz count, #2, 1f
ldr tmp1w, [src], #4
str tmp1w, [dst], #4
1:
tbz... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memcpy.S | LGPL-2.1 | f7a9f785e547bd599dee496fd906a28bcb4ec7fe | github | libc | https://github.com/bminor/glibc/blob/f7a9f785e547bd599dee496fd906a28bcb4ec7fe/sysdeps/aarch64/memcpy.S | 81 | 140 |
bminor/glibc:sysdeps/aarch64/memcpy.S:4 | stp A_l, A_h, [dst]
add dst, dst, tmp2
/* There may be less than 63 bytes to go now. */
cmp count, #63
b.le L(tail63)
2:
subs count, count, #128
b.ge L(cpy_body_large)
/* Less than 128 bytes to copy, so handle 64 here and then jump
* to the tail. */
ldp A_l, A_h, [src]
ldp B_l, B_h, [src, #16]
ldp C_l, C_... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memcpy.S | LGPL-2.1 | f7a9f785e547bd599dee496fd906a28bcb4ec7fe | github | libc | https://github.com/bminor/glibc/blob/f7a9f785e547bd599dee496fd906a28bcb4ec7fe/sysdeps/aarch64/memcpy.S | 121 | 176 |
bminor/glibc:sysdeps/aarch64/memcpy.S:5 | ldp C_l, C_h, [src, #48]
stp D_l, D_h, [dst, #64]!
ldp D_l, D_h, [src, #64]!
subs count, count, #64
b.ge 1b
stp A_l, A_h, [dst, #16]
stp B_l, B_h, [dst, #32]
stp C_l, C_h, [dst, #48]
stp D_l, D_h, [dst, #64]
add src, src, #16
add dst, dst, #64 + 16
tst count, #0x3f
b.ne L(tail63)
RET
END (memcpy)
libc_hidd... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memcpy.S | LGPL-2.1 | f7a9f785e547bd599dee496fd906a28bcb4ec7fe | github | libc | https://github.com/bminor/glibc/blob/f7a9f785e547bd599dee496fd906a28bcb4ec7fe/sysdeps/aarch64/memcpy.S | 161 | 176 |
bminor/glibc:sysdeps/aarch64/memcpy.S:1 | /* Copyright (C) 2012-2015 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memcpy.S | LGPL-2.1 | 890b7a4b33d482b5c768ab47d70758b80227e9bc | github | libc | https://github.com/bminor/glibc/blob/890b7a4b33d482b5c768ab47d70758b80227e9bc/sysdeps/aarch64/memcpy.S | 1 | 60 |
bminor/glibc:sysdeps/aarch64/memmove.S:1 | /* Copyright (C) 2012-2016 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memmove.S | LGPL-2.1 | f7a9f785e547bd599dee496fd906a28bcb4ec7fe | github | libc | https://github.com/bminor/glibc/blob/f7a9f785e547bd599dee496fd906a28bcb4ec7fe/sysdeps/aarch64/memmove.S | 1 | 60 |
bminor/glibc:sysdeps/aarch64/memmove.S:2 | #define B_l x9
#define B_h x10
#define C_l x11
#define C_h x12
#define D_l x13
#define D_h x14
ENTRY_ALIGN (memmove, 6)
cmp dstin, src
b.lo L(downwards)
add tmp1, src, count
cmp dstin, tmp1
b.hs memcpy /* No overlap. */
/* Upwards move with potential overlap.
* Need to move from the tail backwards. SRC an... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memmove.S | LGPL-2.1 | f7a9f785e547bd599dee496fd906a28bcb4ec7fe | github | libc | https://github.com/bminor/glibc/blob/f7a9f785e547bd599dee496fd906a28bcb4ec7fe/sysdeps/aarch64/memmove.S | 41 | 100 |
bminor/glibc:sysdeps/aarch64/memmove.S:3 | 2:
ldp A_l, A_h, [src]
stp A_l, A_h, [dst]
L(tail15up):
/* Move up to 15 bytes of data. Does not assume additional data
* being moved. */
tbz count, #3, 1f
ldr tmp1, [src, #-8]!
str tmp1, [dst, #-8]!
1:
tbz count, #2, 1f
ldr tmp1w, [src, #-4]!
str tmp1w, [dst, #-4]!
1:
tbz count, #1, 1f
ldrh tmp1w, [src,... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memmove.S | LGPL-2.1 | f7a9f785e547bd599dee496fd906a28bcb4ec7fe | github | libc | https://github.com/bminor/glibc/blob/f7a9f785e547bd599dee496fd906a28bcb4ec7fe/sysdeps/aarch64/memmove.S | 81 | 140 |
bminor/glibc:sysdeps/aarch64/memmove.S:4 | 1:
tbz tmp2, #1, 1f
ldrh tmp1w, [src, #-2]!
strh tmp1w, [dst, #-2]!
1:
tbz tmp2, #0, 1f
ldrb tmp1w, [src, #-1]!
strb tmp1w, [dst, #-1]!
1:
/* There may be less than 63 bytes to go now. */
cmp count, #63
b.le L(tail63up)
2:
subs count, count, #128
b.ge L(mov_body_large_up)
/* Less than 128 bytes to move, s... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memmove.S | LGPL-2.1 | f7a9f785e547bd599dee496fd906a28bcb4ec7fe | github | libc | https://github.com/bminor/glibc/blob/f7a9f785e547bd599dee496fd906a28bcb4ec7fe/sysdeps/aarch64/memmove.S | 121 | 180 |
bminor/glibc:sysdeps/aarch64/memmove.S:5 | stp A_l, A_h, [dst, #-16]
ldp A_l, A_h, [src, #-16]
stp B_l, B_h, [dst, #-32]
ldp B_l, B_h, [src, #-32]
stp C_l, C_h, [dst, #-48]
ldp C_l, C_h, [src, #-48]
stp D_l, D_h, [dst, #-64]!
ldp D_l, D_h, [src, #-64]!
subs count, count, #64
b.ge 1b
stp A_l, A_h, [dst, #-16]
stp B_l, B_h, [dst, #-32]
stp C_l, C_h, [... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memmove.S | LGPL-2.1 | f7a9f785e547bd599dee496fd906a28bcb4ec7fe | github | libc | https://github.com/bminor/glibc/blob/f7a9f785e547bd599dee496fd906a28bcb4ec7fe/sysdeps/aarch64/memmove.S | 161 | 220 |
bminor/glibc:sysdeps/aarch64/memmove.S:6 | b.lt 2f
ldp A_l, A_h, [src, #-48]
stp A_l, A_h, [dst, #-48]
1:
ldp A_l, A_h, [src, #-32]
stp A_l, A_h, [dst, #-32]
2:
ldp A_l, A_h, [src, #-16]
stp A_l, A_h, [dst, #-16]
L(tail15down):
/* Move up to 15 bytes of data. Does not assume additional data
being moved. */
tbz count, #3, 1f
ldr tmp1, [src], #8
s... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memmove.S | LGPL-2.1 | f7a9f785e547bd599dee496fd906a28bcb4ec7fe | github | libc | https://github.com/bminor/glibc/blob/f7a9f785e547bd599dee496fd906a28bcb4ec7fe/sysdeps/aarch64/memmove.S | 201 | 260 |
bminor/glibc:sysdeps/aarch64/memmove.S:7 | tbz tmp2, #3, 1f
ldr tmp1, [src], #8
str tmp1, [dst], #8
1:
tbz tmp2, #2, 1f
ldr tmp1w, [src], #4
str tmp1w, [dst], #4
1:
tbz tmp2, #1, 1f
ldrh tmp1w, [src], #2
strh tmp1w, [dst], #2
1:
tbz tmp2, #0, 1f
ldrb tmp1w, [src], #1
strb tmp1w, [dst], #1
1:
/* There may be less than 63 bytes to go now. */
cmp co... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memmove.S | LGPL-2.1 | f7a9f785e547bd599dee496fd906a28bcb4ec7fe | github | libc | https://github.com/bminor/glibc/blob/f7a9f785e547bd599dee496fd906a28bcb4ec7fe/sysdeps/aarch64/memmove.S | 241 | 300 |
bminor/glibc:sysdeps/aarch64/memmove.S:8 | * 64 bytes per line this ensures the entire loop is in one line. */
.p2align 6
L(mov_body_large_down):
/* There are at least 128 bytes to move. */
ldp A_l, A_h, [src, #0]
sub dst, dst, #16 /* Pre-bias. */
ldp B_l, B_h, [src, #16]
ldp C_l, C_h, [src, #32]
ldp D_l, D_h, [src, #48]! /* src += 64 - Pre-bias. */... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memmove.S | LGPL-2.1 | f7a9f785e547bd599dee496fd906a28bcb4ec7fe | github | libc | https://github.com/bminor/glibc/blob/f7a9f785e547bd599dee496fd906a28bcb4ec7fe/sysdeps/aarch64/memmove.S | 281 | 312 |
bminor/glibc:sysdeps/aarch64/memmove.S:1 | /* Copyright (C) 2012-2015 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memmove.S | LGPL-2.1 | 890b7a4b33d482b5c768ab47d70758b80227e9bc | github | libc | https://github.com/bminor/glibc/blob/890b7a4b33d482b5c768ab47d70758b80227e9bc/sysdeps/aarch64/memmove.S | 1 | 60 |
bminor/glibc:sysdeps/aarch64/memrchr.S:1 | /* memrchr - find the last occurrence of a byte in a memory block
Copyright (C) 2015-2026 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as publ... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memrchr.S | LGPL-2.1 | 04e750e75b73957cf1c791535a3f4319534a52fc | github | libc | https://github.com/bminor/glibc/blob/04e750e75b73957cf1c791535a3f4319534a52fc/sysdeps/aarch64/memrchr.S | 1 | 60 |
bminor/glibc:sysdeps/aarch64/memrchr.S:2 | #define vrepchr v0
#define qdata q1
#define vdata v1
#define vhas_chr v2
#define vend v3
#define dend d3
/*
Core algorithm:
For each 16-byte chunk we calculate a 64-bit nibble mask value with four bits
per byte. We take 4 bits of every comparison byte with shift right and narrow
by 4 instruction. Sinc... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memrchr.S | LGPL-2.1 | 04e750e75b73957cf1c791535a3f4319534a52fc | github | libc | https://github.com/bminor/glibc/blob/04e750e75b73957cf1c791535a3f4319534a52fc/sysdeps/aarch64/memrchr.S | 41 | 100 |
bminor/glibc:sysdeps/aarch64/memrchr.S:3 | /* Make sure that it won't overread by a 16-byte chunk */
sub cntrem, cntrem, 1
tbz cntrem, 4, L(loop32_2)
add src, src, 16
.p2align 5
L(loop32):
ldr qdata, [src, -32]!
cmeq vhas_chr.16b, vdata.16b, vrepchr.16b
umaxp vend.16b, vhas_chr.16b, vhas_chr.16b /* 128->64 */
fmov synd, dend
cbnz synd, L(end)
L(loop... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memrchr.S | LGPL-2.1 | 04e750e75b73957cf1c791535a3f4319534a52fc | github | libc | https://github.com/bminor/glibc/blob/04e750e75b73957cf1c791535a3f4319534a52fc/sysdeps/aarch64/memrchr.S | 81 | 126 |
bminor/glibc:sysdeps/aarch64/memrchr.S:1 | /* memrchr - find the last occurrence of a byte in a memory block
Copyright (C) 2015-2025 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as publ... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memrchr.S | LGPL-2.1 | ce2f26a22e6b6f5c108d156afd9b43a452bb024c | github | libc | https://github.com/bminor/glibc/blob/ce2f26a22e6b6f5c108d156afd9b43a452bb024c/sysdeps/aarch64/memrchr.S | 1 | 60 |
bminor/glibc:sysdeps/aarch64/memrchr.S:1 | /* memrchr - find the last occurrence of a byte in a memory block
Copyright (C) 2015-2025 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as publ... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memrchr.S | LGPL-2.1 | 2642002380aafb71a1d3b569b6d7ebeab3284816 | github | libc | https://github.com/bminor/glibc/blob/2642002380aafb71a1d3b569b6d7ebeab3284816/sysdeps/aarch64/memrchr.S | 1 | 60 |
bminor/glibc:sysdeps/aarch64/memrchr.S:2 | #define vrepchr v0
#define qdata q1
#define vdata v1
#define vhas_chr v2
#define vend v3
#define dend d3
/*
Core algorithm:
For each 16-byte chunk we calculate a 64-bit nibble mask value with four bits
per byte. We take 4 bits of every comparison byte with shift right and narrow
by 4 instruction. Sinc... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memrchr.S | LGPL-2.1 | 2642002380aafb71a1d3b569b6d7ebeab3284816 | github | libc | https://github.com/bminor/glibc/blob/2642002380aafb71a1d3b569b6d7ebeab3284816/sysdeps/aarch64/memrchr.S | 41 | 100 |
bminor/glibc:sysdeps/aarch64/memrchr.S:3 | subs cntrem, src, srcin
b.ls L(nomatch)
/* Make sure that it won't overread by a 16-byte chunk */
sub cntrem, cntrem, 1
tbz cntrem, 4, L(loop32_2)
add src, src, 16
.p2align 5
L(loop32):
ldr qdata, [src, -32]!
cmeq vhas_chr.16b, vdata.16b, vrepchr.16b
umaxp vend.16b, vhas_chr.16b, vhas_chr.16b /* 128->64 */
... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memrchr.S | LGPL-2.1 | 2642002380aafb71a1d3b569b6d7ebeab3284816 | github | libc | https://github.com/bminor/glibc/blob/2642002380aafb71a1d3b569b6d7ebeab3284816/sysdeps/aarch64/memrchr.S | 81 | 128 |
bminor/glibc:sysdeps/aarch64/memrchr.S:1 | /* memrchr - find the last occurrence of a byte in a memory block
Copyright (C) 2015-2024 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as publ... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memrchr.S | LGPL-2.1 | dff8da6b3e89b986bb7f6b1ec18cf65d5972e307 | github | libc | https://github.com/bminor/glibc/blob/dff8da6b3e89b986bb7f6b1ec18cf65d5972e307/sysdeps/aarch64/memrchr.S | 1 | 60 |
bminor/glibc:sysdeps/aarch64/memrchr.S:1 | /* memrchr - find the last occurrence of a byte in a memory block
Copyright (C) 2015-2023 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as publ... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memrchr.S | LGPL-2.1 | 22999b2f0fb62eed1af4095d062bd1272d6afeb1 | github | libc | https://github.com/bminor/glibc/blob/22999b2f0fb62eed1af4095d062bd1272d6afeb1/sysdeps/aarch64/memrchr.S | 1 | 60 |
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