id stringlengths 22 129 | text stringlengths 60 19.5k | arch stringclasses 9
values | syntax stringclasses 5
values | kind stringclasses 4
values | repo stringclasses 32
values | path stringlengths 7 108 | license stringclasses 10
values | commit stringlengths 40 40 | source_host stringclasses 1
value | category stringclasses 15
values | source_url stringlengths 85 192 | line_start int64 1 5.48k | line_end int64 4 5.5k |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
bminor/glibc:sysdeps/aarch64/multiarch/memchr_nosimd.S:2 | #define tmp1 x2
#define tmp2 x3
#define tmp3 x4
#define tmp4 x5
#define src x6
#define srcend x7
#define srcend16 x8
#define anymore x9
#define zeroones x10
#define data1 x11
#define data2 x12
#define has_chr1 x13
#define has_chr2 x14
#define REP8_01 0x0101010101010101
#define REP8_7f 0x7f7f7f7f7f7f7f7... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/multiarch/memchr_nosimd.S | LGPL-2.1 | 6d7e8eda9b85b08f207a6dc6f187e94e4817270f | github | libc | https://github.com/bminor/glibc/blob/6d7e8eda9b85b08f207a6dc6f187e94e4817270f/sysdeps/aarch64/multiarch/memchr_nosimd.S | 41 | 100 |
bminor/glibc:sysdeps/aarch64/multiarch/memchr_nosimd.S:3 | add srcend, srcin, cntin
/*
* srcend16 is address of the block following the last block.
*
* [A block is 16-byte aligned and sized.]
*/
add srcend16, srcend, 15
bic srcend16, srcend16, 15
b.eq L(loop)
/* Load the first block containing start address. */
ldp data1, data2, [src], 16
lsl tmp1, srcin, 3
... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/multiarch/memchr_nosimd.S | LGPL-2.1 | 6d7e8eda9b85b08f207a6dc6f187e94e4817270f | github | libc | https://github.com/bminor/glibc/blob/6d7e8eda9b85b08f207a6dc6f187e94e4817270f/sysdeps/aarch64/multiarch/memchr_nosimd.S | 81 | 140 |
bminor/glibc:sysdeps/aarch64/multiarch/memchr_nosimd.S:4 | csinv data1, tmp1, xzr, eq
csel data2, data2, tmp2, eq
/*
* When the first and last block are the same, there are two cases:
* o. Memory range to search is just in one block.
* ( start address - end address) < 0
*
* o. Memory range is so large that end address wrap-around.
* ( start address -... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/multiarch/memchr_nosimd.S | LGPL-2.1 | 6d7e8eda9b85b08f207a6dc6f187e94e4817270f | github | libc | https://github.com/bminor/glibc/blob/6d7e8eda9b85b08f207a6dc6f187e94e4817270f/sysdeps/aarch64/multiarch/memchr_nosimd.S | 121 | 180 |
bminor/glibc:sysdeps/aarch64/multiarch/memchr_nosimd.S:5 | sub tmp1, data1, zeroones
sub tmp2, data2, zeroones
orr tmp3, data1, REP8_7f
orr tmp4, data2, REP8_7f
bic has_chr1, tmp1, tmp3
bic has_chr2, tmp2, tmp4
orr tmp1, has_chr1, has_chr2
ccmp tmp1, 0, 0, ne
b.eq L(loop)
cbz has_chr1, 1f
sub result, src, 16
#ifdef __AARCH64EB__
rev data1, data1
#else
rev has_... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/multiarch/memchr_nosimd.S | LGPL-2.1 | 6d7e8eda9b85b08f207a6dc6f187e94e4817270f | github | libc | https://github.com/bminor/glibc/blob/6d7e8eda9b85b08f207a6dc6f187e94e4817270f/sysdeps/aarch64/multiarch/memchr_nosimd.S | 161 | 220 |
bminor/glibc:sysdeps/aarch64/multiarch/memchr_nosimd.S:6 | orr tmp3, data1, REP8_7f
bic has_chr1, tmp1, tmp3
rev has_chr1, has_chr1
#endif
/*
* If the specified char is found in a qword, the corresponding
* byte of in has_chr has value of 1, while this is only true for
* the first occurrence, not other occurrences.
*/
cmp anymore, 0
clz tmp1, has_chr1
add result... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/multiarch/memchr_nosimd.S | LGPL-2.1 | 6d7e8eda9b85b08f207a6dc6f187e94e4817270f | github | libc | https://github.com/bminor/glibc/blob/6d7e8eda9b85b08f207a6dc6f187e94e4817270f/sysdeps/aarch64/multiarch/memchr_nosimd.S | 201 | 223 |
bminor/glibc:sysdeps/aarch64/multiarch/memchr_nosimd.S:1 | /* memchr - find a character in a memory zone using base integer registers
Copyright (C) 2018-2022 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
Licens... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/multiarch/memchr_nosimd.S | LGPL-2.1 | 581c785bf31bc74430320c7856bbfa3875d025fe | github | libc | https://github.com/bminor/glibc/blob/581c785bf31bc74430320c7856bbfa3875d025fe/sysdeps/aarch64/multiarch/memchr_nosimd.S | 1 | 60 |
bminor/glibc:sysdeps/aarch64/multiarch/memchr_nosimd.S:1 | /* memchr - find a character in a memory zone using base integer registers
Copyright (C) 2018-2021 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
Licens... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/multiarch/memchr_nosimd.S | LGPL-2.1 | 2b778ceb4010c28d70de9b8eab20e8d88eed586b | github | libc | https://github.com/bminor/glibc/blob/2b778ceb4010c28d70de9b8eab20e8d88eed586b/sysdeps/aarch64/multiarch/memchr_nosimd.S | 1 | 60 |
bminor/glibc:sysdeps/aarch64/multiarch/memchr_nosimd.S:1 | /* memchr - find a character in a memory zone using base integer registers
Copyright (C) 2018-2020 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
Licens... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/multiarch/memchr_nosimd.S | LGPL-2.1 | 45b1e17e9150dbd9ac2d578579063fbfa8e1b327 | github | libc | https://github.com/bminor/glibc/blob/45b1e17e9150dbd9ac2d578579063fbfa8e1b327/sysdeps/aarch64/multiarch/memchr_nosimd.S | 1 | 60 |
bminor/glibc:sysdeps/aarch64/multiarch/memchr_nosimd.S:2 | #define tmp1 x2
#define tmp2 x3
#define tmp3 x4
#define tmp4 x5
#define src x6
#define srcend x7
#define srcend16 x8
#define anymore x9
#define zeroones x10
#define data1 x11
#define data2 x12
#define has_chr1 x13
#define has_chr2 x14
#define REP8_01 0x0101010101010101
#define REP8_7f 0x7f7f7f7f7f7f7f7... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/multiarch/memchr_nosimd.S | LGPL-2.1 | d614a7539657941a9201c236b2f15afac18e1213 | github | libc | https://github.com/bminor/glibc/blob/d614a7539657941a9201c236b2f15afac18e1213/sysdeps/aarch64/multiarch/memchr_nosimd.S | 41 | 100 |
bminor/glibc:sysdeps/aarch64/multiarch/memchr_nosimd.S:1 | /* memchr - find a character in a memory zone using base integer registers
Copyright (C) 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 ... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/multiarch/memchr_nosimd.S | LGPL-2.1 | 5a82c74822d3272df2f5929133680478c0cfb4bd | github | libc | https://github.com/bminor/glibc/blob/5a82c74822d3272df2f5929133680478c0cfb4bd/sysdeps/aarch64/multiarch/memchr_nosimd.S | 1 | 60 |
bminor/glibc:sysdeps/aarch64/multiarch/memchr_nosimd.S:1 | /* memchr - find a character in a memory zone using base integer registers
Copyright (C) 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 ... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/multiarch/memchr_nosimd.S | LGPL-2.1 | 83d1cc42d8e6b18a4b6ba53addfdae98c694ea36 | github | libc | https://github.com/bminor/glibc/blob/83d1cc42d8e6b18a4b6ba53addfdae98c694ea36/sysdeps/aarch64/multiarch/memchr_nosimd.S | 1 | 60 |
bminor/glibc:sysdeps/aarch64/multiarch/memcpy_a64fx.S:1 | /* Optimized memcpy for Fujitsu A64FX processor.
Copyright (C) 2021-2026 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 ... | arm64 | gas-like | macro-heavy | bminor/glibc | sysdeps/aarch64/multiarch/memcpy_a64fx.S | LGPL-2.1 | 04e750e75b73957cf1c791535a3f4319534a52fc | github | libc | https://github.com/bminor/glibc/blob/04e750e75b73957cf1c791535a3f4319534a52fc/sysdeps/aarch64/multiarch/memcpy_a64fx.S | 1 | 60 |
bminor/glibc:sysdeps/aarch64/multiarch/memcpy_a64fx.S:2 | ld1b z0.b, p0/z, [src, 0, mul vl]
ld1b z1.b, p0/z, [src, 1, mul vl]
ld1b z2.b, p0/z, [src, 2, mul vl]
ld1b z3.b, p0/z, [src, 3, mul vl]
ld1b z4.b, p0/z, [src, 4, mul vl]
ld1b z5.b, p0/z, [src, 5, mul vl]
ld1b z6.b, p0/z, [src, 6, mul vl]
ld1b z7.b, p0/z, [src, 7, mul vl]
.endm
.macro stld1b_unroll4a
st1b z0.... | arm64 | gas-like | macro-heavy | bminor/glibc | sysdeps/aarch64/multiarch/memcpy_a64fx.S | LGPL-2.1 | 04e750e75b73957cf1c791535a3f4319534a52fc | github | libc | https://github.com/bminor/glibc/blob/04e750e75b73957cf1c791535a3f4319534a52fc/sysdeps/aarch64/multiarch/memcpy_a64fx.S | 41 | 100 |
bminor/glibc:sysdeps/aarch64/multiarch/memcpy_a64fx.S:3 | st1b z2.b, p0, [dst, 2, mul vl]
st1b z3.b, p0, [dst, 3, mul vl]
st1b z4.b, p0, [dst, 4, mul vl]
st1b z5.b, p0, [dst, 5, mul vl]
st1b z6.b, p0, [dst, 6, mul vl]
st1b z7.b, p0, [dst, 7, mul vl]
.endm
ENTRY (__memcpy_a64fx)
cntb vlen
cmp n, vlen, lsl 1
b.hi L(copy_small)
whilelo p1.b, vlen, n
whilelo p0.b, xz... | arm64 | gas-like | macro-heavy | bminor/glibc | sysdeps/aarch64/multiarch/memcpy_a64fx.S | LGPL-2.1 | 04e750e75b73957cf1c791535a3f4319534a52fc | github | libc | https://github.com/bminor/glibc/blob/04e750e75b73957cf1c791535a3f4319534a52fc/sysdeps/aarch64/multiarch/memcpy_a64fx.S | 81 | 140 |
bminor/glibc:sysdeps/aarch64/multiarch/memcpy_a64fx.S:4 | st1b z3.b, p0, [dstend, -1, mul vl]
ret
.p2align 4
/* Copy 4-8 vectors. */
1: ptrue p0.b
ld1b z0.b, p0/z, [src, 0, mul vl]
ld1b z1.b, p0/z, [src, 1, mul vl]
ld1b z2.b, p0/z, [src, 2, mul vl]
ld1b z3.b, p0/z, [src, 3, mul vl]
ld1b z4.b, p0/z, [srcend, -4, mul vl]
ld1b z5.b, p0/z, [srcend, -3, mul vl]
ld1b z6... | arm64 | gas-like | macro-heavy | bminor/glibc | sysdeps/aarch64/multiarch/memcpy_a64fx.S | LGPL-2.1 | 04e750e75b73957cf1c791535a3f4319534a52fc | github | libc | https://github.com/bminor/glibc/blob/04e750e75b73957cf1c791535a3f4319534a52fc/sysdeps/aarch64/multiarch/memcpy_a64fx.S | 121 | 180 |
bminor/glibc:sysdeps/aarch64/multiarch/memcpy_a64fx.S:5 | subs n, n, vlen8
b.ls 3f
ld1b_unroll8
add src, src, vlen8
subs n, n, vlen8
b.ls 2f
.p2align 4
/* 8x unrolled and software pipelined loop. */
1: stld1b_unroll8
add dst, dst, vlen8
add src, src, vlen8
subs n, n, vlen8
b.hi 1b
2: st1b_unroll8
add dst, dst, vlen8
3: add n, n, vlen8
/* Move last 0-8 vectors.... | arm64 | gas-like | macro-heavy | bminor/glibc | sysdeps/aarch64/multiarch/memcpy_a64fx.S | LGPL-2.1 | 04e750e75b73957cf1c791535a3f4319534a52fc | github | libc | https://github.com/bminor/glibc/blob/04e750e75b73957cf1c791535a3f4319534a52fc/sysdeps/aarch64/multiarch/memcpy_a64fx.S | 161 | 220 |
bminor/glibc:sysdeps/aarch64/multiarch/memcpy_a64fx.S:6 | st1b z0.b, p0, [dst, 0, mul vl]
st1b z1.b, p0, [dst, 1, mul vl]
st1b z2.b, p0, [dstend, -2, mul vl]
st1b z3.b, p0, [dstend, -1, mul vl]
ret
1: ld1b z4.b, p0/z, [src, 2, mul vl]
ld1b z5.b, p0/z, [src, 3, mul vl]
ld1b z6.b, p0/z, [srcend, -4, mul vl]
ld1b z7.b, p0/z, [srcend, -3, mul vl]
st1b z0.b, p0, [dst, 0, ... | arm64 | gas-like | macro-heavy | bminor/glibc | sysdeps/aarch64/multiarch/memcpy_a64fx.S | LGPL-2.1 | 04e750e75b73957cf1c791535a3f4319534a52fc | github | libc | https://github.com/bminor/glibc/blob/04e750e75b73957cf1c791535a3f4319534a52fc/sysdeps/aarch64/multiarch/memcpy_a64fx.S | 201 | 260 |
bminor/glibc:sysdeps/aarch64/multiarch/memcpy_a64fx.S:7 | /* Check for overlapping moves. Return if there is a full overlap.
Small moves up to 8 vectors use the overlap-safe copy_small code.
Non-overlapping or overlapping moves with dst < src use memcpy.
Overlapping moves with dst > src use a backward copy loop. */
1: sub tmp, dstin, src
ands tmp, tmp, 0xfffffff... | arm64 | gas-like | macro-heavy | bminor/glibc | sysdeps/aarch64/multiarch/memcpy_a64fx.S | LGPL-2.1 | 04e750e75b73957cf1c791535a3f4319534a52fc | github | libc | https://github.com/bminor/glibc/blob/04e750e75b73957cf1c791535a3f4319534a52fc/sysdeps/aarch64/multiarch/memcpy_a64fx.S | 241 | 290 |
bminor/glibc:sysdeps/aarch64/multiarch/memcpy_a64fx.S:8 | 2: sub dst, dst, vlen8
st1b_unroll8
3: add n, n, vlen8
/* Adjust src/dst for last 0-8 vectors. */
sub src, src, n
mov dst, dstin
b L(last_bytes)
END (__memmove_a64fx) | arm64 | gas-like | macro-heavy | bminor/glibc | sysdeps/aarch64/multiarch/memcpy_a64fx.S | LGPL-2.1 | 04e750e75b73957cf1c791535a3f4319534a52fc | github | libc | https://github.com/bminor/glibc/blob/04e750e75b73957cf1c791535a3f4319534a52fc/sysdeps/aarch64/multiarch/memcpy_a64fx.S | 281 | 290 |
bminor/glibc:sysdeps/aarch64/multiarch/memcpy_a64fx.S:1 | /* Optimized memcpy for Fujitsu A64FX processor.
Copyright (C) 2021-2025 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 ... | arm64 | gas-like | macro-heavy | bminor/glibc | sysdeps/aarch64/multiarch/memcpy_a64fx.S | LGPL-2.1 | b990b0aee2c20d45d53b1964b14b98a8d5e05fe6 | github | libc | https://github.com/bminor/glibc/blob/b990b0aee2c20d45d53b1964b14b98a8d5e05fe6/sysdeps/aarch64/multiarch/memcpy_a64fx.S | 1 | 60 |
bminor/glibc:sysdeps/aarch64/multiarch/memcpy_a64fx.S:1 | /* Optimized memcpy for Fujitsu A64FX processor.
Copyright (C) 2021-2025 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 ... | arm64 | gas-like | macro-heavy | bminor/glibc | sysdeps/aarch64/multiarch/memcpy_a64fx.S | LGPL-2.1 | 2c421fc4302ecb729823ca442f9dfab95afba752 | github | libc | https://github.com/bminor/glibc/blob/2c421fc4302ecb729823ca442f9dfab95afba752/sysdeps/aarch64/multiarch/memcpy_a64fx.S | 1 | 60 |
bminor/glibc:sysdeps/aarch64/multiarch/memcpy_a64fx.S:2 | .macro ld1b_unroll8
ld1b z0.b, p0/z, [src, 0, mul vl]
ld1b z1.b, p0/z, [src, 1, mul vl]
ld1b z2.b, p0/z, [src, 2, mul vl]
ld1b z3.b, p0/z, [src, 3, mul vl]
ld1b z4.b, p0/z, [src, 4, mul vl]
ld1b z5.b, p0/z, [src, 5, mul vl]
ld1b z6.b, p0/z, [src, 6, mul vl]
ld1b z7.b, p0/z, [src, 7, mul vl]
.endm
.macro stld... | arm64 | gas-like | macro-heavy | bminor/glibc | sysdeps/aarch64/multiarch/memcpy_a64fx.S | LGPL-2.1 | 2c421fc4302ecb729823ca442f9dfab95afba752 | github | libc | https://github.com/bminor/glibc/blob/2c421fc4302ecb729823ca442f9dfab95afba752/sysdeps/aarch64/multiarch/memcpy_a64fx.S | 41 | 100 |
bminor/glibc:sysdeps/aarch64/multiarch/memcpy_a64fx.S:3 | st1b z0.b, p0, [dst, 0, mul vl]
st1b z1.b, p0, [dst, 1, mul vl]
st1b z2.b, p0, [dst, 2, mul vl]
st1b z3.b, p0, [dst, 3, mul vl]
st1b z4.b, p0, [dst, 4, mul vl]
st1b z5.b, p0, [dst, 5, mul vl]
st1b z6.b, p0, [dst, 6, mul vl]
st1b z7.b, p0, [dst, 7, mul vl]
.endm
ENTRY (__memcpy_a64fx)
cntb vlen
cmp n, vlen, ... | arm64 | gas-like | macro-heavy | bminor/glibc | sysdeps/aarch64/multiarch/memcpy_a64fx.S | LGPL-2.1 | 2c421fc4302ecb729823ca442f9dfab95afba752 | github | libc | https://github.com/bminor/glibc/blob/2c421fc4302ecb729823ca442f9dfab95afba752/sysdeps/aarch64/multiarch/memcpy_a64fx.S | 81 | 140 |
bminor/glibc:sysdeps/aarch64/multiarch/memcpy_a64fx.S:4 | st1b z1.b, p0, [dstin, 1, mul vl]
st1b z2.b, p0, [dstend, -2, mul vl]
st1b z3.b, p0, [dstend, -1, mul vl]
ret
.p2align 4
/* Copy 4-8 vectors. */
1: ptrue p0.b
ld1b z0.b, p0/z, [src, 0, mul vl]
ld1b z1.b, p0/z, [src, 1, mul vl]
ld1b z2.b, p0/z, [src, 2, mul vl]
ld1b z3.b, p0/z, [src, 3, mul vl]
ld1b z4.b, p0... | arm64 | gas-like | macro-heavy | bminor/glibc | sysdeps/aarch64/multiarch/memcpy_a64fx.S | LGPL-2.1 | 2c421fc4302ecb729823ca442f9dfab95afba752 | github | libc | https://github.com/bminor/glibc/blob/2c421fc4302ecb729823ca442f9dfab95afba752/sysdeps/aarch64/multiarch/memcpy_a64fx.S | 121 | 180 |
bminor/glibc:sysdeps/aarch64/multiarch/memcpy_a64fx.S:5 | lsl vlen8, vlen, 3
subs n, n, vlen8
b.ls 3f
ld1b_unroll8
add src, src, vlen8
subs n, n, vlen8
b.ls 2f
.p2align 4
/* 8x unrolled and software pipelined loop. */
1: stld1b_unroll8
add dst, dst, vlen8
add src, src, vlen8
subs n, n, vlen8
b.hi 1b
2: st1b_unroll8
add dst, dst, vlen8
3: add n, n, vlen8
/* Mo... | arm64 | gas-like | macro-heavy | bminor/glibc | sysdeps/aarch64/multiarch/memcpy_a64fx.S | LGPL-2.1 | 2c421fc4302ecb729823ca442f9dfab95afba752 | github | libc | https://github.com/bminor/glibc/blob/2c421fc4302ecb729823ca442f9dfab95afba752/sysdeps/aarch64/multiarch/memcpy_a64fx.S | 161 | 220 |
bminor/glibc:sysdeps/aarch64/multiarch/memcpy_a64fx.S:6 | cmp n, vlen, lsl 2
b.hi 1f
st1b z0.b, p0, [dst, 0, mul vl]
st1b z1.b, p0, [dst, 1, mul vl]
st1b z2.b, p0, [dstend, -2, mul vl]
st1b z3.b, p0, [dstend, -1, mul vl]
ret
1: ld1b z4.b, p0/z, [src, 2, mul vl]
ld1b z5.b, p0/z, [src, 3, mul vl]
ld1b z6.b, p0/z, [srcend, -4, mul vl]
ld1b z7.b, p0/z, [srcend, -3, mul... | arm64 | gas-like | macro-heavy | bminor/glibc | sysdeps/aarch64/multiarch/memcpy_a64fx.S | LGPL-2.1 | 2c421fc4302ecb729823ca442f9dfab95afba752 | github | libc | https://github.com/bminor/glibc/blob/2c421fc4302ecb729823ca442f9dfab95afba752/sysdeps/aarch64/multiarch/memcpy_a64fx.S | 201 | 260 |
bminor/glibc:sysdeps/aarch64/multiarch/memcpy_a64fx.S:7 | .p2align 4
/* Check for overlapping moves. Return if there is a full overlap.
Small moves up to 8 vectors use the overlap-safe copy_small code.
Non-overlapping or overlapping moves with dst < src use memcpy.
Overlapping moves with dst > src use a backward copy loop. */
1: sub tmp, dstin, src
ands tmp, tm... | arm64 | gas-like | macro-heavy | bminor/glibc | sysdeps/aarch64/multiarch/memcpy_a64fx.S | LGPL-2.1 | 2c421fc4302ecb729823ca442f9dfab95afba752 | github | libc | https://github.com/bminor/glibc/blob/2c421fc4302ecb729823ca442f9dfab95afba752/sysdeps/aarch64/multiarch/memcpy_a64fx.S | 241 | 293 |
bminor/glibc:sysdeps/aarch64/multiarch/memcpy_a64fx.S:8 | subs n, n, vlen8
b.hi 1b
2: sub dst, dst, vlen8
st1b_unroll8
3: add n, n, vlen8
/* Adjust src/dst for last 0-8 vectors. */
sub src, src, n
mov dst, dstin
b L(last_bytes)
END (__memmove_a64fx)
#endif /* HAVE_AARCH64_SVE_ASM */ | arm64 | gas-like | macro-heavy | bminor/glibc | sysdeps/aarch64/multiarch/memcpy_a64fx.S | LGPL-2.1 | 2c421fc4302ecb729823ca442f9dfab95afba752 | github | libc | https://github.com/bminor/glibc/blob/2c421fc4302ecb729823ca442f9dfab95afba752/sysdeps/aarch64/multiarch/memcpy_a64fx.S | 281 | 293 |
bminor/glibc:sysdeps/aarch64/multiarch/memcpy_a64fx.S:1 | /* Optimized memcpy for Fujitsu A64FX processor.
Copyright (C) 2021-2025 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 ... | arm64 | gas-like | macro-heavy | bminor/glibc | sysdeps/aarch64/multiarch/memcpy_a64fx.S | LGPL-2.1 | ce2f26a22e6b6f5c108d156afd9b43a452bb024c | github | libc | https://github.com/bminor/glibc/blob/ce2f26a22e6b6f5c108d156afd9b43a452bb024c/sysdeps/aarch64/multiarch/memcpy_a64fx.S | 1 | 60 |
bminor/glibc:sysdeps/aarch64/multiarch/memcpy_a64fx.S:2 | #if HAVE_AARCH64_SVE_ASM
.arch armv8.2-a+sve
.macro ld1b_unroll8
ld1b z0.b, p0/z, [src, 0, mul vl]
ld1b z1.b, p0/z, [src, 1, mul vl]
ld1b z2.b, p0/z, [src, 2, mul vl]
ld1b z3.b, p0/z, [src, 3, mul vl]
ld1b z4.b, p0/z, [src, 4, mul vl]
ld1b z5.b, p0/z, [src, 5, mul vl]
ld1b z6.b, p0/z, [src, 6, mul vl]
ld1b ... | arm64 | gas-like | macro-heavy | bminor/glibc | sysdeps/aarch64/multiarch/memcpy_a64fx.S | LGPL-2.1 | ce2f26a22e6b6f5c108d156afd9b43a452bb024c | github | libc | https://github.com/bminor/glibc/blob/ce2f26a22e6b6f5c108d156afd9b43a452bb024c/sysdeps/aarch64/multiarch/memcpy_a64fx.S | 41 | 100 |
bminor/glibc:sysdeps/aarch64/multiarch/memcpy_a64fx.S:3 | .endm
.macro st1b_unroll8
st1b z0.b, p0, [dst, 0, mul vl]
st1b z1.b, p0, [dst, 1, mul vl]
st1b z2.b, p0, [dst, 2, mul vl]
st1b z3.b, p0, [dst, 3, mul vl]
st1b z4.b, p0, [dst, 4, mul vl]
st1b z5.b, p0, [dst, 5, mul vl]
st1b z6.b, p0, [dst, 6, mul vl]
st1b z7.b, p0, [dst, 7, mul vl]
.endm
#undef BTI_C
#define... | arm64 | gas-like | macro-heavy | bminor/glibc | sysdeps/aarch64/multiarch/memcpy_a64fx.S | LGPL-2.1 | ce2f26a22e6b6f5c108d156afd9b43a452bb024c | github | libc | https://github.com/bminor/glibc/blob/ce2f26a22e6b6f5c108d156afd9b43a452bb024c/sysdeps/aarch64/multiarch/memcpy_a64fx.S | 81 | 140 |
bminor/glibc:sysdeps/aarch64/multiarch/memcpy_a64fx.S:4 | ptrue p0.b
ld1b z0.b, p0/z, [src, 0, mul vl]
ld1b z1.b, p0/z, [src, 1, mul vl]
ld1b z2.b, p0/z, [srcend, -2, mul vl]
ld1b z3.b, p0/z, [srcend, -1, mul vl]
st1b z0.b, p0, [dstin, 0, mul vl]
st1b z1.b, p0, [dstin, 1, mul vl]
st1b z2.b, p0, [dstend, -2, mul vl]
st1b z3.b, p0, [dstend, -1, mul vl]
ret
.p2align 4... | arm64 | gas-like | macro-heavy | bminor/glibc | sysdeps/aarch64/multiarch/memcpy_a64fx.S | LGPL-2.1 | ce2f26a22e6b6f5c108d156afd9b43a452bb024c | github | libc | https://github.com/bminor/glibc/blob/ce2f26a22e6b6f5c108d156afd9b43a452bb024c/sysdeps/aarch64/multiarch/memcpy_a64fx.S | 121 | 180 |
bminor/glibc:sysdeps/aarch64/multiarch/memcpy_a64fx.S:5 | ld1b z1.b, p1/z, [src]
st1b z1.b, p1, [dstin]
add dst, dstin, tmp
add src, src, tmp
sub n, n, tmp
ptrue p0.b
lsl vlen8, vlen, 3
subs n, n, vlen8
b.ls 3f
ld1b_unroll8
add src, src, vlen8
subs n, n, vlen8
b.ls 2f
.p2align 4
/* 8x unrolled and software pipelined loop. */
1: stld1b_unroll8
add dst, dst, v... | arm64 | gas-like | macro-heavy | bminor/glibc | sysdeps/aarch64/multiarch/memcpy_a64fx.S | LGPL-2.1 | ce2f26a22e6b6f5c108d156afd9b43a452bb024c | github | libc | https://github.com/bminor/glibc/blob/ce2f26a22e6b6f5c108d156afd9b43a452bb024c/sysdeps/aarch64/multiarch/memcpy_a64fx.S | 161 | 220 |
bminor/glibc:sysdeps/aarch64/multiarch/memcpy_a64fx.S:6 | 1: add srcend, src, n
add dstend, dst, n
ld1b z0.b, p0/z, [src, 0, mul vl]
ld1b z1.b, p0/z, [src, 1, mul vl]
ld1b z2.b, p0/z, [srcend, -2, mul vl]
ld1b z3.b, p0/z, [srcend, -1, mul vl]
cmp n, vlen, lsl 2
b.hi 1f
st1b z0.b, p0, [dst, 0, mul vl]
st1b z1.b, p0, [dst, 1, mul vl]
st1b z2.b, p0, [dstend, -2, mul v... | arm64 | gas-like | macro-heavy | bminor/glibc | sysdeps/aarch64/multiarch/memcpy_a64fx.S | LGPL-2.1 | ce2f26a22e6b6f5c108d156afd9b43a452bb024c | github | libc | https://github.com/bminor/glibc/blob/ce2f26a22e6b6f5c108d156afd9b43a452bb024c/sysdeps/aarch64/multiarch/memcpy_a64fx.S | 201 | 260 |
bminor/glibc:sysdeps/aarch64/multiarch/memcpy_a64fx.S:7 | ld1b z0.b, p0/z, [src, 0, mul vl]
ld1b z1.b, p1/z, [src, 1, mul vl]
st1b z0.b, p0, [dstin, 0, mul vl]
st1b z1.b, p1, [dstin, 1, mul vl]
L(full_overlap):
ret
.p2align 4
/* Check for overlapping moves. Return if there is a full overlap.
Small moves up to 8 vectors use the overlap-safe copy_small code.
Non-... | arm64 | gas-like | macro-heavy | bminor/glibc | sysdeps/aarch64/multiarch/memcpy_a64fx.S | LGPL-2.1 | ce2f26a22e6b6f5c108d156afd9b43a452bb024c | github | libc | https://github.com/bminor/glibc/blob/ce2f26a22e6b6f5c108d156afd9b43a452bb024c/sysdeps/aarch64/multiarch/memcpy_a64fx.S | 241 | 299 |
bminor/glibc:sysdeps/aarch64/multiarch/memcpy_a64fx.S:8 | .p2align 4
/* 8x unrolled and software pipelined backward copy loop. */
1: sub src, src, vlen8
sub dst, dst, vlen8
stld1b_unroll8
subs n, n, vlen8
b.hi 1b
2: sub dst, dst, vlen8
st1b_unroll8
3: add n, n, vlen8
/* Adjust src/dst for last 0-8 vectors. */
sub src, src, n
mov dst, dstin
b L(last_bytes)
END (_... | arm64 | gas-like | macro-heavy | bminor/glibc | sysdeps/aarch64/multiarch/memcpy_a64fx.S | LGPL-2.1 | ce2f26a22e6b6f5c108d156afd9b43a452bb024c | github | libc | https://github.com/bminor/glibc/blob/ce2f26a22e6b6f5c108d156afd9b43a452bb024c/sysdeps/aarch64/multiarch/memcpy_a64fx.S | 281 | 299 |
bminor/glibc:sysdeps/aarch64/multiarch/memcpy_a64fx.S:2 | #if HAVE_AARCH64_SVE_ASM
.arch armv8.2-a+sve
.macro ld1b_unroll8
ld1b z0.b, p0/z, [src, 0, mul vl]
ld1b z1.b, p0/z, [src, 1, mul vl]
ld1b z2.b, p0/z, [src, 2, mul vl]
ld1b z3.b, p0/z, [src, 3, mul vl]
ld1b z4.b, p0/z, [src, 4, mul vl]
ld1b z5.b, p0/z, [src, 5, mul vl]
ld1b z6.b, p0/z, [src, 6, mul vl]
ld1b ... | arm64 | gas-like | macro-heavy | bminor/glibc | sysdeps/aarch64/multiarch/memcpy_a64fx.S | LGPL-2.1 | 2642002380aafb71a1d3b569b6d7ebeab3284816 | github | libc | https://github.com/bminor/glibc/blob/2642002380aafb71a1d3b569b6d7ebeab3284816/sysdeps/aarch64/multiarch/memcpy_a64fx.S | 41 | 100 |
bminor/glibc:sysdeps/aarch64/multiarch/memcpy_a64fx.S:3 | .endm
.macro st1b_unroll8
st1b z0.b, p0, [dst, 0, mul vl]
st1b z1.b, p0, [dst, 1, mul vl]
st1b z2.b, p0, [dst, 2, mul vl]
st1b z3.b, p0, [dst, 3, mul vl]
st1b z4.b, p0, [dst, 4, mul vl]
st1b z5.b, p0, [dst, 5, mul vl]
st1b z6.b, p0, [dst, 6, mul vl]
st1b z7.b, p0, [dst, 7, mul vl]
.endm
#undef BTI_C
#define... | arm64 | gas-like | macro-heavy | bminor/glibc | sysdeps/aarch64/multiarch/memcpy_a64fx.S | LGPL-2.1 | 2642002380aafb71a1d3b569b6d7ebeab3284816 | github | libc | https://github.com/bminor/glibc/blob/2642002380aafb71a1d3b569b6d7ebeab3284816/sysdeps/aarch64/multiarch/memcpy_a64fx.S | 81 | 140 |
bminor/glibc:sysdeps/aarch64/multiarch/memcpy_a64fx.S:4 | cmp n, vlen, lsl 2
b.hi 1f
/* Copy 2-4 vectors. */
ptrue p0.b
ld1b z0.b, p0/z, [src, 0, mul vl]
ld1b z1.b, p0/z, [src, 1, mul vl]
ld1b z2.b, p0/z, [srcend, -2, mul vl]
ld1b z3.b, p0/z, [srcend, -1, mul vl]
st1b z0.b, p0, [dstin, 0, mul vl]
st1b z1.b, p0, [dstin, 1, mul vl]
st1b z2.b, p0, [dstend, -2, mul vl... | arm64 | gas-like | macro-heavy | bminor/glibc | sysdeps/aarch64/multiarch/memcpy_a64fx.S | LGPL-2.1 | 2642002380aafb71a1d3b569b6d7ebeab3284816 | github | libc | https://github.com/bminor/glibc/blob/2642002380aafb71a1d3b569b6d7ebeab3284816/sysdeps/aarch64/multiarch/memcpy_a64fx.S | 121 | 180 |
bminor/glibc:sysdeps/aarch64/multiarch/memcpy_a64fx.S:5 | sub tmp, vlen, 1
and tmp, dstin, tmp
sub tmp, vlen, tmp
whilelo p1.b, xzr, tmp
ld1b z1.b, p1/z, [src]
st1b z1.b, p1, [dstin]
add dst, dstin, tmp
add src, src, tmp
sub n, n, tmp
ptrue p0.b
lsl vlen8, vlen, 3
subs n, n, vlen8
b.ls 3f
ld1b_unroll8
add src, src, vlen8
subs n, n, vlen8
b.ls 2f
.p2align 4
... | arm64 | gas-like | macro-heavy | bminor/glibc | sysdeps/aarch64/multiarch/memcpy_a64fx.S | LGPL-2.1 | 2642002380aafb71a1d3b569b6d7ebeab3284816 | github | libc | https://github.com/bminor/glibc/blob/2642002380aafb71a1d3b569b6d7ebeab3284816/sysdeps/aarch64/multiarch/memcpy_a64fx.S | 161 | 220 |
bminor/glibc:sysdeps/aarch64/multiarch/memcpy_a64fx.S:6 | ret
.p2align 4
1: add srcend, src, n
add dstend, dst, n
ld1b z0.b, p0/z, [src, 0, mul vl]
ld1b z1.b, p0/z, [src, 1, mul vl]
ld1b z2.b, p0/z, [srcend, -2, mul vl]
ld1b z3.b, p0/z, [srcend, -1, mul vl]
cmp n, vlen, lsl 2
b.hi 1f
st1b z0.b, p0, [dst, 0, mul vl]
st1b z1.b, p0, [dst, 1, mul vl]
st1b z2.b, p0, ... | arm64 | gas-like | macro-heavy | bminor/glibc | sysdeps/aarch64/multiarch/memcpy_a64fx.S | LGPL-2.1 | 2642002380aafb71a1d3b569b6d7ebeab3284816 | github | libc | https://github.com/bminor/glibc/blob/2642002380aafb71a1d3b569b6d7ebeab3284816/sysdeps/aarch64/multiarch/memcpy_a64fx.S | 201 | 260 |
bminor/glibc:sysdeps/aarch64/multiarch/memcpy_a64fx.S:7 | SIZE_ARG (2)
/* Fast case for up to 2 vectors. */
cntb vlen
cmp n, vlen, lsl 1
b.hi 1f
whilelo p0.b, xzr, n
whilelo p1.b, vlen, n
ld1b z0.b, p0/z, [src, 0, mul vl]
ld1b z1.b, p1/z, [src, 1, mul vl]
st1b z0.b, p0, [dstin, 0, mul vl]
st1b z1.b, p1, [dstin, 1, mul vl]
L(full_overlap):
ret
.p2align 4
/* Che... | arm64 | gas-like | macro-heavy | bminor/glibc | sysdeps/aarch64/multiarch/memcpy_a64fx.S | LGPL-2.1 | 2642002380aafb71a1d3b569b6d7ebeab3284816 | github | libc | https://github.com/bminor/glibc/blob/2642002380aafb71a1d3b569b6d7ebeab3284816/sysdeps/aarch64/multiarch/memcpy_a64fx.S | 241 | 300 |
bminor/glibc:sysdeps/aarch64/multiarch/memcpy_a64fx.S:8 | ptrue p0.b
lsl vlen8, vlen, 3
subs n, n, vlen8
b.ls 3f
sub src, src, vlen8
ld1b_unroll8
subs n, n, vlen8
b.ls 2f
.p2align 4
/* 8x unrolled and software pipelined backward copy loop. */
1: sub src, src, vlen8
sub dst, dst, vlen8
stld1b_unroll8
subs n, n, vlen8
b.hi 1b
2: sub dst, dst, vlen8
st1b_unroll8
... | arm64 | gas-like | macro-heavy | bminor/glibc | sysdeps/aarch64/multiarch/memcpy_a64fx.S | LGPL-2.1 | 2642002380aafb71a1d3b569b6d7ebeab3284816 | github | libc | https://github.com/bminor/glibc/blob/2642002380aafb71a1d3b569b6d7ebeab3284816/sysdeps/aarch64/multiarch/memcpy_a64fx.S | 281 | 307 |
bminor/glibc:sysdeps/aarch64/multiarch/memcpy_a64fx.S:1 | /* Optimized memcpy for Fujitsu A64FX processor.
Copyright (C) 2021-2024 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 ... | arm64 | gas-like | macro-heavy | bminor/glibc | sysdeps/aarch64/multiarch/memcpy_a64fx.S | LGPL-2.1 | dff8da6b3e89b986bb7f6b1ec18cf65d5972e307 | github | libc | https://github.com/bminor/glibc/blob/dff8da6b3e89b986bb7f6b1ec18cf65d5972e307/sysdeps/aarch64/multiarch/memcpy_a64fx.S | 1 | 60 |
bminor/glibc:sysdeps/aarch64/multiarch/memcpy_a64fx.S:1 | /* Optimized memcpy for Fujitsu A64FX processor.
Copyright (C) 2021-2023 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 ... | arm64 | gas-like | macro-heavy | bminor/glibc | sysdeps/aarch64/multiarch/memcpy_a64fx.S | LGPL-2.1 | 9fd3409842b3e2d31cff5dbd6f96066c430f0aa2 | github | libc | https://github.com/bminor/glibc/blob/9fd3409842b3e2d31cff5dbd6f96066c430f0aa2/sysdeps/aarch64/multiarch/memcpy_a64fx.S | 1 | 60 |
bminor/glibc:sysdeps/aarch64/multiarch/memcpy_a64fx.S:1 | /* Optimized memcpy for Fujitsu A64FX processor.
Copyright (C) 2021-2023 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 ... | arm64 | gas-like | macro-heavy | bminor/glibc | sysdeps/aarch64/multiarch/memcpy_a64fx.S | LGPL-2.1 | 6d7e8eda9b85b08f207a6dc6f187e94e4817270f | github | libc | https://github.com/bminor/glibc/blob/6d7e8eda9b85b08f207a6dc6f187e94e4817270f/sysdeps/aarch64/multiarch/memcpy_a64fx.S | 1 | 60 |
bminor/glibc:sysdeps/aarch64/multiarch/memcpy_a64fx.S:2 | #if HAVE_AARCH64_SVE_ASM
# if IS_IN (libc)
# define MEMCPY __memcpy_a64fx
# define MEMMOVE __memmove_a64fx
.arch armv8.2-a+sve
.macro ld1b_unroll8
ld1b z0.b, p0/z, [src, 0, mul vl]
ld1b z1.b, p0/z, [src, 1, mul vl]
ld1b z2.b, p0/z, [src, 2, mul vl]
ld1b z3.b, p0/z, [src, 3, mul vl]
ld1b z4.b, p0/z, [src, 4, ... | arm64 | gas-like | macro-heavy | bminor/glibc | sysdeps/aarch64/multiarch/memcpy_a64fx.S | LGPL-2.1 | 6d7e8eda9b85b08f207a6dc6f187e94e4817270f | github | libc | https://github.com/bminor/glibc/blob/6d7e8eda9b85b08f207a6dc6f187e94e4817270f/sysdeps/aarch64/multiarch/memcpy_a64fx.S | 41 | 100 |
bminor/glibc:sysdeps/aarch64/multiarch/memcpy_a64fx.S:3 | .macro stld1b_unroll8
stld1b_unroll4a
stld1b_unroll4b
.endm
.macro st1b_unroll8
st1b z0.b, p0, [dst, 0, mul vl]
st1b z1.b, p0, [dst, 1, mul vl]
st1b z2.b, p0, [dst, 2, mul vl]
st1b z3.b, p0, [dst, 3, mul vl]
st1b z4.b, p0, [dst, 4, mul vl]
st1b z5.b, p0, [dst, 5, mul vl]
st1b z6.b, p0, [dst, 6, mul vl]
st1... | arm64 | gas-like | macro-heavy | bminor/glibc | sysdeps/aarch64/multiarch/memcpy_a64fx.S | LGPL-2.1 | 6d7e8eda9b85b08f207a6dc6f187e94e4817270f | github | libc | https://github.com/bminor/glibc/blob/6d7e8eda9b85b08f207a6dc6f187e94e4817270f/sysdeps/aarch64/multiarch/memcpy_a64fx.S | 81 | 140 |
bminor/glibc:sysdeps/aarch64/multiarch/memcpy_a64fx.S:4 | b.hi L(copy_large)
add dstend, dstin, n
add srcend, src, n
cmp n, vlen, lsl 2
b.hi 1f
/* Copy 2-4 vectors. */
ptrue p0.b
ld1b z0.b, p0/z, [src, 0, mul vl]
ld1b z1.b, p0/z, [src, 1, mul vl]
ld1b z2.b, p0/z, [srcend, -2, mul vl]
ld1b z3.b, p0/z, [srcend, -1, mul vl]
st1b z0.b, p0, [dstin, 0, mul vl]
st1b z1... | arm64 | gas-like | macro-heavy | bminor/glibc | sysdeps/aarch64/multiarch/memcpy_a64fx.S | LGPL-2.1 | 6d7e8eda9b85b08f207a6dc6f187e94e4817270f | github | libc | https://github.com/bminor/glibc/blob/6d7e8eda9b85b08f207a6dc6f187e94e4817270f/sysdeps/aarch64/multiarch/memcpy_a64fx.S | 121 | 180 |
bminor/glibc:sysdeps/aarch64/multiarch/memcpy_a64fx.S:5 | /* At least 8 vectors - always align to vector length for
higher and consistent write performance. */
L(copy_large):
sub tmp, vlen, 1
and tmp, dstin, tmp
sub tmp, vlen, tmp
whilelo p1.b, xzr, tmp
ld1b z1.b, p1/z, [src]
st1b z1.b, p1, [dstin]
add dst, dstin, tmp
add src, src, tmp
sub n, n, tmp
ptrue p0.b
... | arm64 | gas-like | macro-heavy | bminor/glibc | sysdeps/aarch64/multiarch/memcpy_a64fx.S | LGPL-2.1 | 6d7e8eda9b85b08f207a6dc6f187e94e4817270f | github | libc | https://github.com/bminor/glibc/blob/6d7e8eda9b85b08f207a6dc6f187e94e4817270f/sysdeps/aarch64/multiarch/memcpy_a64fx.S | 161 | 220 |
bminor/glibc:sysdeps/aarch64/multiarch/memcpy_a64fx.S:6 | ld1b z1.b, p1/z, [src, 1, mul vl]
st1b z0.b, p0, [dst, 0, mul vl]
st1b z1.b, p1, [dst, 1, mul vl]
ret
.p2align 4
1: add srcend, src, n
add dstend, dst, n
ld1b z0.b, p0/z, [src, 0, mul vl]
ld1b z1.b, p0/z, [src, 1, mul vl]
ld1b z2.b, p0/z, [srcend, -2, mul vl]
ld1b z3.b, p0/z, [srcend, -1, mul vl]
cmp n, vle... | arm64 | gas-like | macro-heavy | bminor/glibc | sysdeps/aarch64/multiarch/memcpy_a64fx.S | LGPL-2.1 | 6d7e8eda9b85b08f207a6dc6f187e94e4817270f | github | libc | https://github.com/bminor/glibc/blob/6d7e8eda9b85b08f207a6dc6f187e94e4817270f/sysdeps/aarch64/multiarch/memcpy_a64fx.S | 201 | 260 |
bminor/glibc:sysdeps/aarch64/multiarch/memcpy_a64fx.S:7 | ENTRY_ALIGN (MEMMOVE, 4)
PTR_ARG (0)
PTR_ARG (1)
SIZE_ARG (2)
/* Fast case for up to 2 vectors. */
cntb vlen
cmp n, vlen, lsl 1
b.hi 1f
whilelo p0.b, xzr, n
whilelo p1.b, vlen, n
ld1b z0.b, p0/z, [src, 0, mul vl]
ld1b z1.b, p1/z, [src, 1, mul vl]
st1b z0.b, p0, [dstin, 0, mul vl]
st1b z1.b, p1, [dstin, ... | arm64 | gas-like | macro-heavy | bminor/glibc | sysdeps/aarch64/multiarch/memcpy_a64fx.S | LGPL-2.1 | 6d7e8eda9b85b08f207a6dc6f187e94e4817270f | github | libc | https://github.com/bminor/glibc/blob/6d7e8eda9b85b08f207a6dc6f187e94e4817270f/sysdeps/aarch64/multiarch/memcpy_a64fx.S | 241 | 300 |
bminor/glibc:sysdeps/aarch64/multiarch/memcpy_a64fx.S:8 | st1b z1.b, p1, [dstin, n]
add src, src, n
add dst, dstin, n
ptrue p0.b
lsl vlen8, vlen, 3
subs n, n, vlen8
b.ls 3f
sub src, src, vlen8
ld1b_unroll8
subs n, n, vlen8
b.ls 2f
.p2align 4
/* 8x unrolled and software pipelined backward copy loop. */
1: sub src, src, vlen8
sub dst, dst, vlen8
stld1b_unroll8
... | arm64 | gas-like | macro-heavy | bminor/glibc | sysdeps/aarch64/multiarch/memcpy_a64fx.S | LGPL-2.1 | 6d7e8eda9b85b08f207a6dc6f187e94e4817270f | github | libc | https://github.com/bminor/glibc/blob/6d7e8eda9b85b08f207a6dc6f187e94e4817270f/sysdeps/aarch64/multiarch/memcpy_a64fx.S | 281 | 313 |
bminor/glibc:sysdeps/aarch64/multiarch/memcpy_a64fx.S:1 | /* Optimized memcpy for Fujitsu A64FX processor.
Copyright (C) 2021-2022 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 ... | arm64 | gas-like | macro-heavy | bminor/glibc | sysdeps/aarch64/multiarch/memcpy_a64fx.S | LGPL-2.1 | 581c785bf31bc74430320c7856bbfa3875d025fe | github | libc | https://github.com/bminor/glibc/blob/581c785bf31bc74430320c7856bbfa3875d025fe/sysdeps/aarch64/multiarch/memcpy_a64fx.S | 1 | 60 |
bminor/glibc:sysdeps/aarch64/multiarch/memcpy_a64fx.S:1 | /* Optimized memcpy for Fujitsu A64FX processor.
Copyright (C) 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 Softw... | arm64 | gas-like | macro-heavy | bminor/glibc | sysdeps/aarch64/multiarch/memcpy_a64fx.S | LGPL-2.1 | b31bd11454fade731e5158b1aea40b133ae19926 | github | libc | https://github.com/bminor/glibc/blob/b31bd11454fade731e5158b1aea40b133ae19926/sysdeps/aarch64/multiarch/memcpy_a64fx.S | 1 | 60 |
bminor/glibc:sysdeps/aarch64/multiarch/memcpy_a64fx.S:1 | /* Optimized memcpy for Fujitsu A64FX processor.
Copyright (C) 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 Softw... | arm64 | gas-like | macro-heavy | bminor/glibc | sysdeps/aarch64/multiarch/memcpy_a64fx.S | LGPL-2.1 | 381b29616abb82babc8163bdf516c6da87544b35 | github | libc | https://github.com/bminor/glibc/blob/381b29616abb82babc8163bdf516c6da87544b35/sysdeps/aarch64/multiarch/memcpy_a64fx.S | 1 | 60 |
bminor/glibc:sysdeps/aarch64/multiarch/memcpy_a64fx.S:2 | #define dest_ptr x7
#define src_ptr x8
#define vector_length x9
#define cl_remainder x10 // CACHE_LINE_SIZE remainder
#if HAVE_AARCH64_SVE_ASM
# if IS_IN (libc)
# define MEMCPY __memcpy_a64fx
# define MEMMOVE __memmove_a64fx
.arch armv8.2-a+sve
.macro dc_zva times
dc zva, tmp1
add tmp1, tmp1, CACHE_LINE_SIZE
... | arm64 | gas-like | macro-heavy | bminor/glibc | sysdeps/aarch64/multiarch/memcpy_a64fx.S | LGPL-2.1 | 381b29616abb82babc8163bdf516c6da87544b35 | github | libc | https://github.com/bminor/glibc/blob/381b29616abb82babc8163bdf516c6da87544b35/sysdeps/aarch64/multiarch/memcpy_a64fx.S | 41 | 100 |
bminor/glibc:sysdeps/aarch64/multiarch/memcpy_a64fx.S:3 | .endm
.macro stld1b_unroll4b
st1b z4.b, p0, [dest_ptr, #4, mul vl]
st1b z5.b, p0, [dest_ptr, #5, mul vl]
ld1b z4.b, p0/z, [src_ptr, #4, mul vl]
ld1b z5.b, p0/z, [src_ptr, #5, mul vl]
st1b z6.b, p0, [dest_ptr, #6, mul vl]
st1b z7.b, p0, [dest_ptr, #7, mul vl]
ld1b z6.b, p0/z, [src_ptr, #6, mul vl]
l... | arm64 | gas-like | macro-heavy | bminor/glibc | sysdeps/aarch64/multiarch/memcpy_a64fx.S | LGPL-2.1 | 381b29616abb82babc8163bdf516c6da87544b35 | github | libc | https://github.com/bminor/glibc/blob/381b29616abb82babc8163bdf516c6da87544b35/sysdeps/aarch64/multiarch/memcpy_a64fx.S | 81 | 140 |
bminor/glibc:sysdeps/aarch64/multiarch/memcpy_a64fx.S:4 | cmp n, vector_length, lsl 3 // vector_length * 8
b.hi \exit
// if rest <= vector_length * 4
lsl tmp1, vector_length, 1 // vector_length * 2
whilelo p2.b, tmp1, n
incb tmp1
whilelo p3.b, tmp1, n
b.last 1f
ld1b z0.b, p0/z, [src, #0, mul vl]
ld1b z1.b, p1/z, [src, #1, mul vl]
ld1b z2.b, p2/z, [src, #2, mul vl]
... | arm64 | gas-like | macro-heavy | bminor/glibc | sysdeps/aarch64/multiarch/memcpy_a64fx.S | LGPL-2.1 | 381b29616abb82babc8163bdf516c6da87544b35 | github | libc | https://github.com/bminor/glibc/blob/381b29616abb82babc8163bdf516c6da87544b35/sysdeps/aarch64/multiarch/memcpy_a64fx.S | 121 | 180 |
bminor/glibc:sysdeps/aarch64/multiarch/memcpy_a64fx.S:5 | incb tmp1
whilelo p7.b, tmp1, n
ld1b z0.b, p0/z, [src, #0, mul vl]
ld1b z1.b, p1/z, [src, #1, mul vl]
ld1b z2.b, p2/z, [src, #2, mul vl]
ld1b z3.b, p3/z, [src, #3, mul vl]
ld1b z4.b, p4/z, [src, #4, mul vl]
ld1b z5.b, p5/z, [src, #5, mul vl]
ld1b z6.b, p6/z, [src, #6, mul vl]
ld1b z7.b, p7/z, [src, #7, mul vl]... | arm64 | gas-like | macro-heavy | bminor/glibc | sysdeps/aarch64/multiarch/memcpy_a64fx.S | LGPL-2.1 | 381b29616abb82babc8163bdf516c6da87544b35 | github | libc | https://github.com/bminor/glibc/blob/381b29616abb82babc8163bdf516c6da87544b35/sysdeps/aarch64/multiarch/memcpy_a64fx.S | 161 | 220 |
bminor/glibc:sysdeps/aarch64/multiarch/memcpy_a64fx.S:6 | cmp rest, L2_SIZE
ccmp vector_length, tmp1, 0, cs
b.eq L(L2)
L(unroll8): // unrolling and software pipeline
lsl tmp1, vector_length, 3 // vector_length * 8
.p2align 3
cmp rest, tmp1
b.cc L(last)
ld1b_unroll8
add src_ptr, src_ptr, tmp1
sub rest, rest, tmp1
cmp rest, tmp1
b.cc 2f
.p2align 3
1: stld1b_unroll... | arm64 | gas-like | macro-heavy | bminor/glibc | sysdeps/aarch64/multiarch/memcpy_a64fx.S | LGPL-2.1 | 381b29616abb82babc8163bdf516c6da87544b35 | github | libc | https://github.com/bminor/glibc/blob/381b29616abb82babc8163bdf516c6da87544b35/sysdeps/aarch64/multiarch/memcpy_a64fx.S | 201 | 260 |
bminor/glibc:sysdeps/aarch64/multiarch/memcpy_a64fx.S:7 | ld1b z1.b, p1/z, [src_ptr, #1, mul vl]
ld1b z2.b, p2/z, [src_ptr, #2, mul vl]
ld1b z3.b, p3/z, [src_ptr, #3, mul vl]
st1b z0.b, p0, [dest_ptr, #0, mul vl]
st1b z1.b, p1, [dest_ptr, #1, mul vl]
st1b z2.b, p2, [dest_ptr, #2, mul vl]
st1b z3.b, p3, [dest_ptr, #3, mul vl]
ret
1: lsl tmp1, vector_length, 2 // vector_... | arm64 | gas-like | macro-heavy | bminor/glibc | sysdeps/aarch64/multiarch/memcpy_a64fx.S | LGPL-2.1 | 381b29616abb82babc8163bdf516c6da87544b35 | github | libc | https://github.com/bminor/glibc/blob/381b29616abb82babc8163bdf516c6da87544b35/sysdeps/aarch64/multiarch/memcpy_a64fx.S | 241 | 300 |
bminor/glibc:sysdeps/aarch64/multiarch/memcpy_a64fx.S:8 | sub cl_remainder, tmp1, tmp2
// process remainder until the first CACHE_LINE_SIZE boundary
whilelo p1.b, xzr, cl_remainder // keep p0.b all true
whilelo p2.b, vector_length, cl_remainder
b.last 1f
ld1b z1.b, p1/z, [src_ptr, #0, mul vl]
ld1b z2.b, p2/z, [src_ptr, #1, mul vl]
st1b z1.b, p1, [dest_ptr, #0, mul vl]
... | arm64 | gas-like | macro-heavy | bminor/glibc | sysdeps/aarch64/multiarch/memcpy_a64fx.S | LGPL-2.1 | 381b29616abb82babc8163bdf516c6da87544b35 | github | libc | https://github.com/bminor/glibc/blob/381b29616abb82babc8163bdf516c6da87544b35/sysdeps/aarch64/multiarch/memcpy_a64fx.S | 281 | 340 |
bminor/glibc:sysdeps/aarch64/multiarch/memcpy_a64fx.S:9 | add src_ptr, src_ptr, CACHE_LINE_SIZE * 2
sub rest, rest, CACHE_LINE_SIZE * 2
mov tmp1, ZF_DIST
.p2align 3
1: stld1b_unroll4a
add tmp2, dest_ptr, tmp1 // dest_ptr + ZF_DIST
dc zva, tmp2
stld1b_unroll4b
add tmp2, tmp2, CACHE_LINE_SIZE
dc zva, tmp2
add dest_ptr, dest_ptr, CACHE_LINE_SIZE * 2
add src_ptr, src... | arm64 | gas-like | macro-heavy | bminor/glibc | sysdeps/aarch64/multiarch/memcpy_a64fx.S | LGPL-2.1 | 381b29616abb82babc8163bdf516c6da87544b35 | github | libc | https://github.com/bminor/glibc/blob/381b29616abb82babc8163bdf516c6da87544b35/sysdeps/aarch64/multiarch/memcpy_a64fx.S | 321 | 380 |
bminor/glibc:sysdeps/aarch64/multiarch/memcpy_a64fx.S:10 | // gives a free ptrue to p0.b for n >= vector_length
// tmp2 and tmp3 should not be used in this macro to keep
// notag addresses
shortcut_for_small_size L(dispatch)
// end of shortcut
L(dispatch):
// tmp2 = dest_notag, tmp3 = src_notag
// diff = dest_notag - src_notag
sub tmp1, tmp2, tmp3
// if diff <= 0 || d... | arm64 | gas-like | macro-heavy | bminor/glibc | sysdeps/aarch64/multiarch/memcpy_a64fx.S | LGPL-2.1 | 381b29616abb82babc8163bdf516c6da87544b35 | github | libc | https://github.com/bminor/glibc/blob/381b29616abb82babc8163bdf516c6da87544b35/sysdeps/aarch64/multiarch/memcpy_a64fx.S | 361 | 409 |
bminor/glibc:sysdeps/aarch64/multiarch/memcpy_a64fx.S:1 | /* Optimized memcpy for Fujitsu A64FX processor.
Copyright (C) 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 Softw... | arm64 | gas-like | macro-heavy | bminor/glibc | sysdeps/aarch64/multiarch/memcpy_a64fx.S | LGPL-2.1 | fa527f345cbbe852ec085932fbea979956c195b5 | github | libc | https://github.com/bminor/glibc/blob/fa527f345cbbe852ec085932fbea979956c195b5/sysdeps/aarch64/multiarch/memcpy_a64fx.S | 1 | 60 |
bminor/glibc:sysdeps/aarch64/multiarch/memcpy_a64fx.S:2 | #define cl_remainder x10 // CACHE_LINE_SIZE remainder
#if HAVE_AARCH64_SVE_ASM
# if IS_IN (libc)
# define MEMCPY __memcpy_a64fx
# define MEMMOVE __memmove_a64fx
.arch armv8.2-a+sve
.macro dc_zva times
dc zva, tmp1
add tmp1, tmp1, CACHE_LINE_SIZE
.if \times-1
dc_zva "(\times-1)"
.endif
.endm
.macro ld1b_u... | arm64 | gas-like | macro-heavy | bminor/glibc | sysdeps/aarch64/multiarch/memcpy_a64fx.S | LGPL-2.1 | fa527f345cbbe852ec085932fbea979956c195b5 | github | libc | https://github.com/bminor/glibc/blob/fa527f345cbbe852ec085932fbea979956c195b5/sysdeps/aarch64/multiarch/memcpy_a64fx.S | 41 | 100 |
bminor/glibc:sysdeps/aarch64/multiarch/memcpy_a64fx.S:3 | st1b z4.b, p0, [dest_ptr, #4, mul vl]
st1b z5.b, p0, [dest_ptr, #5, mul vl]
ld1b z4.b, p0/z, [src_ptr, #4, mul vl]
ld1b z5.b, p0/z, [src_ptr, #5, mul vl]
st1b z6.b, p0, [dest_ptr, #6, mul vl]
st1b z7.b, p0, [dest_ptr, #7, mul vl]
ld1b z6.b, p0/z, [src_ptr, #6, mul vl]
ld1b z7.b, p0/z, [src_ptr, #7, m... | arm64 | gas-like | macro-heavy | bminor/glibc | sysdeps/aarch64/multiarch/memcpy_a64fx.S | LGPL-2.1 | fa527f345cbbe852ec085932fbea979956c195b5 | github | libc | https://github.com/bminor/glibc/blob/fa527f345cbbe852ec085932fbea979956c195b5/sysdeps/aarch64/multiarch/memcpy_a64fx.S | 81 | 140 |
bminor/glibc:sysdeps/aarch64/multiarch/memcpy_a64fx.S:4 | lsl tmp1, vector_length, 1 // vector_length * 2
whilelo p2.b, tmp1, n
incb tmp1
whilelo p3.b, tmp1, n
b.last 1f
ld1b z0.b, p0/z, [src, #0, mul vl]
ld1b z1.b, p1/z, [src, #1, mul vl]
ld1b z2.b, p2/z, [src, #2, mul vl]
ld1b z3.b, p3/z, [src, #3, mul vl]
st1b z0.b, p0, [dest, #0, mul vl]
st1b z1.b, p1, [dest, #... | arm64 | gas-like | macro-heavy | bminor/glibc | sysdeps/aarch64/multiarch/memcpy_a64fx.S | LGPL-2.1 | fa527f345cbbe852ec085932fbea979956c195b5 | github | libc | https://github.com/bminor/glibc/blob/fa527f345cbbe852ec085932fbea979956c195b5/sysdeps/aarch64/multiarch/memcpy_a64fx.S | 121 | 180 |
bminor/glibc:sysdeps/aarch64/multiarch/memcpy_a64fx.S:5 | ld1b z1.b, p1/z, [src, #1, mul vl]
ld1b z2.b, p2/z, [src, #2, mul vl]
ld1b z3.b, p3/z, [src, #3, mul vl]
ld1b z4.b, p4/z, [src, #4, mul vl]
ld1b z5.b, p5/z, [src, #5, mul vl]
ld1b z6.b, p6/z, [src, #6, mul vl]
ld1b z7.b, p7/z, [src, #7, mul vl]
st1b z0.b, p0, [dest, #0, mul vl]
st1b z1.b, p1, [dest, #1, mul vl]... | arm64 | gas-like | macro-heavy | bminor/glibc | sysdeps/aarch64/multiarch/memcpy_a64fx.S | LGPL-2.1 | fa527f345cbbe852ec085932fbea979956c195b5 | github | libc | https://github.com/bminor/glibc/blob/fa527f345cbbe852ec085932fbea979956c195b5/sysdeps/aarch64/multiarch/memcpy_a64fx.S | 161 | 220 |
bminor/glibc:sysdeps/aarch64/multiarch/memcpy_a64fx.S:6 | L(unroll8): // unrolling and software pipeline
lsl tmp1, vector_length, 3 // vector_length * 8
.p2align 3
cmp rest, tmp1
b.cc L(last)
ld1b_unroll8
add src_ptr, src_ptr, tmp1
sub rest, rest, tmp1
cmp rest, tmp1
b.cc 2f
.p2align 3
1: stld1b_unroll8
add dest_ptr, dest_ptr, tmp1
add src_ptr, src_ptr, tmp1
sub... | arm64 | gas-like | macro-heavy | bminor/glibc | sysdeps/aarch64/multiarch/memcpy_a64fx.S | LGPL-2.1 | fa527f345cbbe852ec085932fbea979956c195b5 | github | libc | https://github.com/bminor/glibc/blob/fa527f345cbbe852ec085932fbea979956c195b5/sysdeps/aarch64/multiarch/memcpy_a64fx.S | 201 | 260 |
bminor/glibc:sysdeps/aarch64/multiarch/memcpy_a64fx.S:7 | st1b z0.b, p0, [dest_ptr, #0, mul vl]
st1b z1.b, p1, [dest_ptr, #1, mul vl]
st1b z2.b, p2, [dest_ptr, #2, mul vl]
st1b z3.b, p3, [dest_ptr, #3, mul vl]
ret
1: lsl tmp1, vector_length, 2 // vector_length * 4
whilelo p4.b, tmp1, rest
incb tmp1
whilelo p5.b, tmp1, rest
incb tmp1
whilelo p6.b, tmp1, rest
incb tmp... | arm64 | gas-like | macro-heavy | bminor/glibc | sysdeps/aarch64/multiarch/memcpy_a64fx.S | LGPL-2.1 | fa527f345cbbe852ec085932fbea979956c195b5 | github | libc | https://github.com/bminor/glibc/blob/fa527f345cbbe852ec085932fbea979956c195b5/sysdeps/aarch64/multiarch/memcpy_a64fx.S | 241 | 300 |
bminor/glibc:sysdeps/aarch64/multiarch/memcpy_a64fx.S:8 | whilelo p2.b, vector_length, cl_remainder
b.last 1f
ld1b z1.b, p1/z, [src_ptr, #0, mul vl]
ld1b z2.b, p2/z, [src_ptr, #1, mul vl]
st1b z1.b, p1, [dest_ptr, #0, mul vl]
st1b z2.b, p2, [dest_ptr, #1, mul vl]
b 2f
1: lsl tmp1, vector_length, 1 // vector_length * 2
whilelo p3.b, tmp1, cl_remainder
incb tmp1
whilel... | arm64 | gas-like | macro-heavy | bminor/glibc | sysdeps/aarch64/multiarch/memcpy_a64fx.S | LGPL-2.1 | fa527f345cbbe852ec085932fbea979956c195b5 | github | libc | https://github.com/bminor/glibc/blob/fa527f345cbbe852ec085932fbea979956c195b5/sysdeps/aarch64/multiarch/memcpy_a64fx.S | 281 | 340 |
bminor/glibc:sysdeps/aarch64/multiarch/memcpy_a64fx.S:9 | .p2align 3
1: stld1b_unroll4a
add tmp2, dest_ptr, tmp1 // dest_ptr + ZF_DIST
dc zva, tmp2
stld1b_unroll4b
add tmp2, tmp2, CACHE_LINE_SIZE
dc zva, tmp2
add dest_ptr, dest_ptr, CACHE_LINE_SIZE * 2
add src_ptr, src_ptr, CACHE_LINE_SIZE * 2
sub rest, rest, CACHE_LINE_SIZE * 2
cmp rest, tmp3 // ZF_DIST + CACHE_LINE... | arm64 | gas-like | macro-heavy | bminor/glibc | sysdeps/aarch64/multiarch/memcpy_a64fx.S | LGPL-2.1 | fa527f345cbbe852ec085932fbea979956c195b5 | github | libc | https://github.com/bminor/glibc/blob/fa527f345cbbe852ec085932fbea979956c195b5/sysdeps/aarch64/multiarch/memcpy_a64fx.S | 321 | 380 |
bminor/glibc:sysdeps/aarch64/multiarch/memcpy_a64fx.S:10 | shortcut_for_small_size L(dispatch)
// end of shortcut
L(dispatch):
// tmp2 = dest_notag, tmp3 = src_notag
// diff = dest_notag - src_notag
sub tmp1, tmp2, tmp3
// if diff <= 0 || diff >= n then memcpy
cmp tmp1, 0
ccmp tmp1, n, 2, gt
b.cs L(vl_agnostic)
L(bwd_start):
mov rest, n
add dest_ptr, dest, n // des... | arm64 | gas-like | macro-heavy | bminor/glibc | sysdeps/aarch64/multiarch/memcpy_a64fx.S | LGPL-2.1 | fa527f345cbbe852ec085932fbea979956c195b5 | github | libc | https://github.com/bminor/glibc/blob/fa527f345cbbe852ec085932fbea979956c195b5/sysdeps/aarch64/multiarch/memcpy_a64fx.S | 361 | 406 |
bminor/glibc:sysdeps/aarch64/multiarch/memcpy_advsimd.S:1 | /* Generic optimized memcpy using SIMD.
Copyright (C) 2020-2022 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/multiarch/memcpy_advsimd.S | LGPL-2.1 | 581c785bf31bc74430320c7856bbfa3875d025fe | github | libc | https://github.com/bminor/glibc/blob/581c785bf31bc74430320c7856bbfa3875d025fe/sysdeps/aarch64/multiarch/memcpy_advsimd.S | 1 | 60 |
bminor/glibc:sysdeps/aarch64/multiarch/memcpy_advsimd.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
/* This implementation supports both memcpy and memmove and shares most code.
It uses unaligned accesses and branchless sequences to keep the code small,
simple and improve p... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/multiarch/memcpy_advsimd.S | LGPL-2.1 | 581c785bf31bc74430320c7856bbfa3875d025fe | github | libc | https://github.com/bminor/glibc/blob/581c785bf31bc74430320c7856bbfa3875d025fe/sysdeps/aarch64/multiarch/memcpy_advsimd.S | 41 | 100 |
bminor/glibc:sysdeps/aarch64/multiarch/memcpy_advsimd.S:3 | 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)
ldr A_lw, [src]
ldr B_lw, [... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/multiarch/memcpy_advsimd.S | LGPL-2.1 | 581c785bf31bc74430320c7856bbfa3875d025fe | github | libc | https://github.com/bminor/glibc/blob/581c785bf31bc74430320c7856bbfa3875d025fe/sysdeps/aarch64/multiarch/memcpy_advsimd.S | 81 | 140 |
bminor/glibc:sysdeps/aarch64/multiarch/memcpy_advsimd.S:4 | 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, [srcend, -64]
stp G_q, H_q, [dstend, -64]
L(copy96):
stp... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/multiarch/memcpy_advsimd.S | LGPL-2.1 | 581c785bf31bc74430320c7856bbfa3875d025fe | github | libc | https://github.com/bminor/glibc/blob/581c785bf31bc74430320c7856bbfa3875d025fe/sysdeps/aarch64/multiarch/memcpy_advsimd.S | 121 | 180 |
bminor/glibc:sysdeps/aarch64/multiarch/memcpy_advsimd.S:5 | 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, [dst, 16]
ldp A_q, B_q, [srcend, -32]
... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/multiarch/memcpy_advsimd.S | LGPL-2.1 | 581c785bf31bc74430320c7856bbfa3875d025fe | github | libc | https://github.com/bminor/glibc/blob/581c785bf31bc74430320c7856bbfa3875d025fe/sysdeps/aarch64/multiarch/memcpy_advsimd.S | 161 | 220 |
bminor/glibc:sysdeps/aarch64/multiarch/memcpy_advsimd.S:6 | 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 copy for overlapping copies.
Copy 16 bytes and then align srcend to 16-byte alignment. */
L(copy_long_backwards):
ldr... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/multiarch/memcpy_advsimd.S | LGPL-2.1 | 581c785bf31bc74430320c7856bbfa3875d025fe | github | libc | https://github.com/bminor/glibc/blob/581c785bf31bc74430320c7856bbfa3875d025fe/sysdeps/aarch64/multiarch/memcpy_advsimd.S | 201 | 248 |
bminor/glibc:sysdeps/aarch64/multiarch/memcpy_advsimd.S:1 | /* Generic optimized memcpy using SIMD.
Copyright (C) 2020-2021 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 ... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/multiarch/memcpy_advsimd.S | LGPL-2.1 | 2b778ceb4010c28d70de9b8eab20e8d88eed586b | github | libc | https://github.com/bminor/glibc/blob/2b778ceb4010c28d70de9b8eab20e8d88eed586b/sysdeps/aarch64/multiarch/memcpy_advsimd.S | 1 | 60 |
bminor/glibc:sysdeps/aarch64/multiarch/memcpy_advsimd.S:1 | /* Generic optimized memcpy using SIMD.
Copyright (C) 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 Found... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/multiarch/memcpy_advsimd.S | LGPL-2.1 | 45b1e17e9150dbd9ac2d578579063fbfa8e1b327 | github | libc | https://github.com/bminor/glibc/blob/45b1e17e9150dbd9ac2d578579063fbfa8e1b327/sysdeps/aarch64/multiarch/memcpy_advsimd.S | 1 | 60 |
bminor/glibc:sysdeps/aarch64/multiarch/memcpy_advsimd.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
/* This implementation supports both memcpy and memmove and shares most code.
It uses unaligned accesses and branchless sequences to keep the code small,
simple and improve p... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/multiarch/memcpy_advsimd.S | LGPL-2.1 | bd394d131c10c9ec22c6424197b79410042eed99 | github | libc | https://github.com/bminor/glibc/blob/bd394d131c10c9ec22c6424197b79410042eed99/sysdeps/aarch64/multiarch/memcpy_advsimd.S | 41 | 100 |
bminor/glibc:sysdeps/aarch64/multiarch/memcpy_advsimd.S:5 | 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, [dst, 16]
ldp A_q, B_q, [srcend, -32]
... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/multiarch/memcpy_advsimd.S | LGPL-2.1 | bd394d131c10c9ec22c6424197b79410042eed99 | github | libc | https://github.com/bminor/glibc/blob/bd394d131c10c9ec22c6424197b79410042eed99/sysdeps/aarch64/multiarch/memcpy_advsimd.S | 161 | 220 |
bminor/glibc:sysdeps/aarch64/multiarch/memcpy_advsimd.S:6 | 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 copy for overlapping copies.
Copy 16 bytes and then align srcend to 16-byte alignment. */
L(copy_long_backwards):
ldr... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/multiarch/memcpy_advsimd.S | LGPL-2.1 | 4a733bf375238a6a595033b5785cea7f27d61307 | github | libc | https://github.com/bminor/glibc/blob/4a733bf375238a6a595033b5785cea7f27d61307/sysdeps/aarch64/multiarch/memcpy_advsimd.S | 201 | 247 |
bminor/glibc:sysdeps/aarch64/multiarch/memcpy_falkor.S:1 | /* Optimized memcpy for Qualcomm Falkor processor.
Copyright (C) 2017-2023 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 Fre... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/multiarch/memcpy_falkor.S | LGPL-2.1 | 9fd3409842b3e2d31cff5dbd6f96066c430f0aa2 | github | libc | https://github.com/bminor/glibc/blob/9fd3409842b3e2d31cff5dbd6f96066c430f0aa2/sysdeps/aarch64/multiarch/memcpy_falkor.S | 1 | 60 |
bminor/glibc:sysdeps/aarch64/multiarch/memcpy_falkor.S:2 | #define D_q q3
#define E_q q4
#define F_q q5
#define G_q q6
#define H_q q7
#define Q_q q6
#define S_q q22
/* Copies are split into 3 main cases:
1. Small copies of up to 32 bytes
2. Medium copies of 33..128 bytes which are fully unrolled
3. Large copies of more than 128 bytes.
Large copies align the sour... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/multiarch/memcpy_falkor.S | LGPL-2.1 | 9fd3409842b3e2d31cff5dbd6f96066c430f0aa2 | github | libc | https://github.com/bminor/glibc/blob/9fd3409842b3e2d31cff5dbd6f96066c430f0aa2/sysdeps/aarch64/multiarch/memcpy_falkor.S | 41 | 100 |
bminor/glibc:sysdeps/aarch64/multiarch/memcpy_falkor.S:3 | add srcend, src, count
add dstend, dstin, count
b.ls L(copy32)
cmp count, 128
b.hi L(copy_long)
/* Medium copies: 33..128 bytes. */
L(copy128):
sub tmp1, count, 1
ldr A_q, [src]
ldr B_q, [src, 16]
ldr C_q, [srcend, -32]
ldr D_q, [srcend, -16]
tbz tmp1, 6, 1f
ldr E_q, [src, 32]
ldr F_q, [src, 48]
ldr G_q... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/multiarch/memcpy_falkor.S | LGPL-2.1 | 9fd3409842b3e2d31cff5dbd6f96066c430f0aa2 | github | libc | https://github.com/bminor/glibc/blob/9fd3409842b3e2d31cff5dbd6f96066c430f0aa2/sysdeps/aarch64/multiarch/memcpy_falkor.S | 81 | 140 |
bminor/glibc:sysdeps/aarch64/multiarch/memcpy_falkor.S:4 | .p2align 4
1:
/* 8-15 */
tbz count, 3, 1f
ldr A_x, [src]
ldr B_x, [srcend, -8]
str A_x, [dstin]
str B_x, [dstend, -8]
ret
.p2align 4
1:
/* 4-7 */
tbz count, 2, 1f
ldr A_w, [src]
ldr B_w, [srcend, -4]
str A_w, [dstin]
str B_w, [dstend, -4]
ret
.p2align 4
1:
/* 2-3 */
tbz count, 1, 1f
ldrh A_w, [src]
... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/multiarch/memcpy_falkor.S | LGPL-2.1 | 9fd3409842b3e2d31cff5dbd6f96066c430f0aa2 | github | libc | https://github.com/bminor/glibc/blob/9fd3409842b3e2d31cff5dbd6f96066c430f0aa2/sysdeps/aarch64/multiarch/memcpy_falkor.S | 121 | 180 |
bminor/glibc:sysdeps/aarch64/multiarch/memcpy_falkor.S:5 | off the last 64 bytes to copy off from the end. Due to this the
loop never runs out of bounds. */
.p2align 4
nop /* Align loop64 below. */
L(copy_long):
ldr A_q, [src]
sub count, count, 64 + 16
and tmp1, src, 15
str A_q, [dstin]
bic src, src, 15
sub dst, dstin, tmp1
add count, count, tmp1
L(loop64):
... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/multiarch/memcpy_falkor.S | LGPL-2.1 | 9fd3409842b3e2d31cff5dbd6f96066c430f0aa2 | github | libc | https://github.com/bminor/glibc/blob/9fd3409842b3e2d31cff5dbd6f96066c430f0aa2/sysdeps/aarch64/multiarch/memcpy_falkor.S | 161 | 220 |
bminor/glibc:sysdeps/aarch64/multiarch/memcpy_falkor.S:6 | /* RATIONALE:
The move has 4 distinct parts:
* Small moves of 32 bytes and under.
* Medium sized moves of 33-128 bytes (fully unrolled).
* Large moves where the source address is higher than the destination
(forward copies)
* Large moves where the destination address is higher than the source
... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/multiarch/memcpy_falkor.S | LGPL-2.1 | 9fd3409842b3e2d31cff5dbd6f96066c430f0aa2 | github | libc | https://github.com/bminor/glibc/blob/9fd3409842b3e2d31cff5dbd6f96066c430f0aa2/sysdeps/aarch64/multiarch/memcpy_falkor.S | 201 | 260 |
bminor/glibc:sysdeps/aarch64/multiarch/memcpy_falkor.S:7 | ldr S_q, [src]
and tmp1, src, 15
bic src, src, 15
sub dst, dstin, tmp1
add count, count, tmp1 /* Count is now 16 too large. */
ldr Q_q, [src, 16]!
str S_q, [dstin]
ldr S_q, [src, 16]!
sub count, count, 32 + 32 + 16 /* Test and readjust count. */
.p2align 4
1:
subs count, count, 32
str Q_q, [dst, 16]
ldr ... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/multiarch/memcpy_falkor.S | LGPL-2.1 | 9fd3409842b3e2d31cff5dbd6f96066c430f0aa2 | github | libc | https://github.com/bminor/glibc/blob/9fd3409842b3e2d31cff5dbd6f96066c430f0aa2/sysdeps/aarch64/multiarch/memcpy_falkor.S | 241 | 300 |
bminor/glibc:sysdeps/aarch64/multiarch/memcpy_falkor.S:8 | L(move_long):
cbz tmp1, 3f /* Return early if src == dstin */
ldr S_q, [srcend, -16]
and tmp1, srcend, 15
sub srcend, srcend, tmp1
ldr Q_q, [srcend, -16]!
str S_q, [dstend, -16]
sub count, count, tmp1
ldr S_q, [srcend, -16]!
sub dstend, dstend, tmp1
sub count, count, 32 + 32
1:
subs count, count, 32
str Q... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/multiarch/memcpy_falkor.S | LGPL-2.1 | 9fd3409842b3e2d31cff5dbd6f96066c430f0aa2 | github | libc | https://github.com/bminor/glibc/blob/9fd3409842b3e2d31cff5dbd6f96066c430f0aa2/sysdeps/aarch64/multiarch/memcpy_falkor.S | 281 | 313 |
bminor/glibc:sysdeps/aarch64/multiarch/memcpy_falkor.S:2 | #define D_q q3
#define E_q q4
#define F_q q5
#define G_q q6
#define H_q q7
#define Q_q q6
#define S_q q22
/* Copies are split into 3 main cases:
1. Small copies of up to 32 bytes
2. Medium copies of 33..128 bytes which are fully unrolled
3. Large copies of more than 128 bytes.
Large copies align the sour... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/multiarch/memcpy_falkor.S | LGPL-2.1 | 6d7e8eda9b85b08f207a6dc6f187e94e4817270f | github | libc | https://github.com/bminor/glibc/blob/6d7e8eda9b85b08f207a6dc6f187e94e4817270f/sysdeps/aarch64/multiarch/memcpy_falkor.S | 41 | 100 |
bminor/glibc:sysdeps/aarch64/multiarch/memcpy_falkor.S:5 | off the last 64 bytes to copy off from the end. Due to this the
loop never runs out of bounds. */
.p2align 4
nop /* Align loop64 below. */
L(copy_long):
ldr A_q, [src]
sub count, count, 64 + 16
and tmp1, src, 15
str A_q, [dstin]
bic src, src, 15
sub dst, dstin, tmp1
add count, count, tmp1
L(loop64):
... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/multiarch/memcpy_falkor.S | LGPL-2.1 | 6d7e8eda9b85b08f207a6dc6f187e94e4817270f | github | libc | https://github.com/bminor/glibc/blob/6d7e8eda9b85b08f207a6dc6f187e94e4817270f/sysdeps/aarch64/multiarch/memcpy_falkor.S | 161 | 220 |
bminor/glibc:sysdeps/aarch64/multiarch/memcpy_falkor.S:6 | libc_hidden_builtin_def (__memcpy_falkor)
/* RATIONALE:
The move has 4 distinct parts:
* Small moves of 32 bytes and under.
* Medium sized moves of 33-128 bytes (fully unrolled).
* Large moves where the source address is higher than the destination
(forward copies)
* Large moves where the destina... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/multiarch/memcpy_falkor.S | LGPL-2.1 | 6d7e8eda9b85b08f207a6dc6f187e94e4817270f | github | libc | https://github.com/bminor/glibc/blob/6d7e8eda9b85b08f207a6dc6f187e94e4817270f/sysdeps/aarch64/multiarch/memcpy_falkor.S | 201 | 260 |
bminor/glibc:sysdeps/aarch64/multiarch/memcpy_falkor.S:8 | nop
L(move_long):
cbz tmp1, 3f /* Return early if src == dstin */
ldr S_q, [srcend, -16]
and tmp1, srcend, 15
sub srcend, srcend, tmp1
ldr Q_q, [srcend, -16]!
str S_q, [dstend, -16]
sub count, count, tmp1
ldr S_q, [srcend, -16]!
sub dstend, dstend, tmp1
sub count, count, 32 + 32
1:
subs count, count, 32
s... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/multiarch/memcpy_falkor.S | LGPL-2.1 | 6d7e8eda9b85b08f207a6dc6f187e94e4817270f | github | libc | https://github.com/bminor/glibc/blob/6d7e8eda9b85b08f207a6dc6f187e94e4817270f/sysdeps/aarch64/multiarch/memcpy_falkor.S | 281 | 315 |
bminor/glibc:sysdeps/aarch64/multiarch/memcpy_falkor.S:1 | /* Optimized memcpy for Qualcomm Falkor processor.
Copyright (C) 2017-2022 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 Fre... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/multiarch/memcpy_falkor.S | LGPL-2.1 | 581c785bf31bc74430320c7856bbfa3875d025fe | github | libc | https://github.com/bminor/glibc/blob/581c785bf31bc74430320c7856bbfa3875d025fe/sysdeps/aarch64/multiarch/memcpy_falkor.S | 1 | 60 |
bminor/glibc:sysdeps/aarch64/multiarch/memcpy_falkor.S:1 | /* Optimized memcpy for Qualcomm Falkor processor.
Copyright (C) 2017-2021 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 Fre... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/multiarch/memcpy_falkor.S | LGPL-2.1 | 2b778ceb4010c28d70de9b8eab20e8d88eed586b | github | libc | https://github.com/bminor/glibc/blob/2b778ceb4010c28d70de9b8eab20e8d88eed586b/sysdeps/aarch64/multiarch/memcpy_falkor.S | 1 | 60 |
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