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/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 | 00776241776e67fc666b896c1e85770f4f3ec1e1 | github | libc | https://github.com/bminor/glibc/blob/00776241776e67fc666b896c1e85770f4f3ec1e1/sysdeps/aarch64/memrchr.S | 81 | 127 |
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 | 6d7e8eda9b85b08f207a6dc6f187e94e4817270f | github | libc | https://github.com/bminor/glibc/blob/6d7e8eda9b85b08f207a6dc6f187e94e4817270f/sysdeps/aarch64/memrchr.S | 1 | 60 |
bminor/glibc:sysdeps/aarch64/memrchr.S:2 | #define endm1 x9
#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 ... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memrchr.S | LGPL-2.1 | 6d7e8eda9b85b08f207a6dc6f187e94e4817270f | github | libc | https://github.com/bminor/glibc/blob/6d7e8eda9b85b08f207a6dc6f187e94e4817270f/sysdeps/aarch64/memrchr.S | 41 | 100 |
bminor/glibc:sysdeps/aarch64/memrchr.S:3 | sub tmp, end, src
subs cntrem, cntin, tmp
b.ls L(nomatch)
/* Make sure that it won't overread by a 16-byte chunk */
add tmp, cntrem, 15
tbnz tmp, 4, L(loop32_2)
.p2align 4
L(loop32):
ldr qdata, [src, -16]!
cmeq vhas_chr.16b, vdata.16b, vrepchr.16b
umaxp vend.16b, vhas_chr.16b, vhas_chr.16b /* 128->64 */
fm... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memrchr.S | LGPL-2.1 | 6d7e8eda9b85b08f207a6dc6f187e94e4817270f | github | libc | https://github.com/bminor/glibc/blob/6d7e8eda9b85b08f207a6dc6f187e94e4817270f/sysdeps/aarch64/memrchr.S | 81 | 125 |
bminor/glibc:sysdeps/aarch64/memrchr.S:1 | /* memrchr - find the last occurrence of a byte in a memory block
Copyright (C) 2015-2022 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 publ... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memrchr.S | LGPL-2.1 | 3c9980698988ef64072f1fac339b180f52792faf | github | libc | https://github.com/bminor/glibc/blob/3c9980698988ef64072f1fac339b180f52792faf/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) 2015-2022 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 publ... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memrchr.S | LGPL-2.1 | 581c785bf31bc74430320c7856bbfa3875d025fe | github | libc | https://github.com/bminor/glibc/blob/581c785bf31bc74430320c7856bbfa3875d025fe/sysdeps/aarch64/memrchr.S | 1 | 60 |
bminor/glibc:sysdeps/aarch64/memrchr.S:2 | #define end x8
#define endm1 x9
#define vrepchr v0
#define qdata q1
#define vdata v1
#define vhas_chr v2
#define vrepmask v3
#define vend v4
#define dend d4
/*
Core algorithm:
For each 16-byte chunk we calculate a 64-bit syndrome value with four bits
per byte. For even bytes, bits 0-3 are set if the r... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memrchr.S | LGPL-2.1 | 581c785bf31bc74430320c7856bbfa3875d025fe | github | libc | https://github.com/bminor/glibc/blob/581c785bf31bc74430320c7856bbfa3875d025fe/sysdeps/aarch64/memrchr.S | 41 | 100 |
bminor/glibc:sysdeps/aarch64/memrchr.S:3 | sub result, endm1, synd, lsr 2
cmp cntin, synd, lsr 2
csel result, result, xzr, hi
ret
L(start_loop):
sub tmp, end, src
subs cntrem, cntin, tmp
b.ls L(nomatch)
/* Make sure that it won't overread by a 16-byte chunk */
add tmp, cntrem, 15
tbnz tmp, 4, L(loop32_2)
.p2align 4
L(loop32):
ldr qdata, [src, -16]... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memrchr.S | LGPL-2.1 | 581c785bf31bc74430320c7856bbfa3875d025fe | github | libc | https://github.com/bminor/glibc/blob/581c785bf31bc74430320c7856bbfa3875d025fe/sysdeps/aarch64/memrchr.S | 81 | 132 |
bminor/glibc:sysdeps/aarch64/memrchr.S:4 | sub tmp, tmp, synd, lsr 2
cmp tmp, srcin
csel result, tmp, xzr, hs
ret
L(nomatch):
mov result, 0
ret
END (__memrchr)
weak_alias (__memrchr, memrchr)
libc_hidden_builtin_def (memrchr) | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memrchr.S | LGPL-2.1 | 581c785bf31bc74430320c7856bbfa3875d025fe | github | libc | https://github.com/bminor/glibc/blob/581c785bf31bc74430320c7856bbfa3875d025fe/sysdeps/aarch64/memrchr.S | 121 | 132 |
bminor/glibc:sysdeps/aarch64/memrchr.S:1 | /* memrchr - find the last occurrence of a byte in a memory block
Copyright (C) 2015-2021 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 publ... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memrchr.S | LGPL-2.1 | 2b778ceb4010c28d70de9b8eab20e8d88eed586b | github | libc | https://github.com/bminor/glibc/blob/2b778ceb4010c28d70de9b8eab20e8d88eed586b/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) 2015-2020 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 publ... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memrchr.S | LGPL-2.1 | 45b1e17e9150dbd9ac2d578579063fbfa8e1b327 | github | libc | https://github.com/bminor/glibc/blob/45b1e17e9150dbd9ac2d578579063fbfa8e1b327/sysdeps/aarch64/memrchr.S | 1 | 60 |
bminor/glibc:sysdeps/aarch64/memrchr.S:2 | #define end x8
#define endm1 x9
#define vrepchr v0
#define qdata q1
#define vdata v1
#define vhas_chr v2
#define vrepmask v3
#define vend v4
#define dend d4
/*
Core algorithm:
For each 16-byte chunk we calculate a 64-bit syndrome value with four bits
per byte. For even bytes, bits 0-3 are set if the r... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memrchr.S | LGPL-2.1 | df06b0d90f3aa5a4702aa7d6772665e2228a0915 | github | libc | https://github.com/bminor/glibc/blob/df06b0d90f3aa5a4702aa7d6772665e2228a0915/sysdeps/aarch64/memrchr.S | 41 | 100 |
bminor/glibc:sysdeps/aarch64/memrchr.S:1 | /* memrchr - find the last occurrence of a byte in a memory block
Copyright (C) 2015-2020 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 publ... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memrchr.S | LGPL-2.1 | d614a7539657941a9201c236b2f15afac18e1213 | github | libc | https://github.com/bminor/glibc/blob/d614a7539657941a9201c236b2f15afac18e1213/sysdeps/aarch64/memrchr.S | 1 | 60 |
bminor/glibc:sysdeps/aarch64/memrchr.S:2 | #define synd x6
#define soff x9
#define cntrem x10
#define vrepchr v0
#define vdata1 v1
#define vdata2 v2
#define vhas_chr1 v3
#define vhas_chr2 v4
#define vrepmask v5
#define vend v6
/*
* Core algorithm:
*
* For each 32-byte chunk we calculate a 64-bit syndrome value, with two bits
* per byte. For each t... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memrchr.S | LGPL-2.1 | d614a7539657941a9201c236b2f15afac18e1213 | github | libc | https://github.com/bminor/glibc/blob/d614a7539657941a9201c236b2f15afac18e1213/sysdeps/aarch64/memrchr.S | 41 | 100 |
bminor/glibc:sysdeps/aarch64/memrchr.S:3 | mov tmp, #32
sub soff,tmp,soff
and cntrem, cntin, #31
b.eq L(loop)
/*
* Input string is not 32-byte aligned. We calculate the syndrome
* value for the aligned 32 bytes block containing the first bytes
* and mask the irrelevant part.
*/
sub seek_dst, seek_dst, #32
ld1 {vdata1.16b, vdata2.16b}, [seek_dst]... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memrchr.S | LGPL-2.1 | d614a7539657941a9201c236b2f15afac18e1213 | github | libc | https://github.com/bminor/glibc/blob/d614a7539657941a9201c236b2f15afac18e1213/sysdeps/aarch64/memrchr.S | 81 | 140 |
bminor/glibc:sysdeps/aarch64/memrchr.S:4 | orr vend.16b, vhas_chr1.16b, vhas_chr2.16b
addp vend.2d, vend.2d, vend.2d
mov synd, vend.2d[0]
/* We're not out of data, loop if we haven't found the character */
cbz synd, L(loop)
L(end):
/* Termination condition found, let's calculate the syndrome value */
and vhas_chr1.16b, vhas_chr1.16b, vrepmask.16b
and vh... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memrchr.S | LGPL-2.1 | d614a7539657941a9201c236b2f15afac18e1213 | github | libc | https://github.com/bminor/glibc/blob/d614a7539657941a9201c236b2f15afac18e1213/sysdeps/aarch64/memrchr.S | 121 | 165 |
bminor/glibc:sysdeps/aarch64/memrchr.S:1 | /* memrchr - find the last occurrence of a byte in a memory block
Copyright (C) 2015-2019 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 publ... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memrchr.S | LGPL-2.1 | a7611806d5f4163656a2f5d21d349b5e7c4170e0 | github | libc | https://github.com/bminor/glibc/blob/a7611806d5f4163656a2f5d21d349b5e7c4170e0/sysdeps/aarch64/memrchr.S | 1 | 60 |
bminor/glibc:sysdeps/aarch64/memset.S:1 | /* Generic optimized memset 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/memset.S | LGPL-2.1 | 04e750e75b73957cf1c791535a3f4319534a52fc | github | libc | https://github.com/bminor/glibc/blob/04e750e75b73957cf1c791535a3f4319534a52fc/sysdeps/aarch64/memset.S | 1 | 60 |
bminor/glibc:sysdeps/aarch64/memset.S:2 | ENTRY (MEMSET)
dup v0.16B, valw
cmp count, 16
b.lo L(set_small)
add dstend, dstin, count
cmp count, 64
b.hs L(set_128)
/* Set 16..63 bytes. */
mov off, 16
and off, off, count, lsr 1
sub dstend2, dstend, off
str q0, [dstin]
str q0, [dstin, off]
str q0, [dstend2, -16]
str q0, [dstend, -16]
ret
.p2alig... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memset.S | LGPL-2.1 | 04e750e75b73957cf1c791535a3f4319534a52fc | github | libc | https://github.com/bminor/glibc/blob/04e750e75b73957cf1c791535a3f4319534a52fc/sysdeps/aarch64/memset.S | 41 | 100 |
bminor/glibc:sysdeps/aarch64/memset.S:3 | .p2align 4
L(set_128):
bic dst, dstin, 15
cmp count, 128
b.hi L(set_long)
stp q0, q0, [dstin]
stp q0, q0, [dstin, 32]
stp q0, q0, [dstend, -64]
stp q0, q0, [dstend, -32]
ret
.p2align 4
L(set_long):
str q0, [dstin]
str q0, [dst, 16]
tst valw, 255
b.ne L(no_zva)
#ifndef ZVA64_ONLY
mrs zva_val, dczid_el0
a... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memset.S | LGPL-2.1 | 04e750e75b73957cf1c791535a3f4319534a52fc | github | libc | https://github.com/bminor/glibc/blob/04e750e75b73957cf1c791535a3f4319534a52fc/sysdeps/aarch64/memset.S | 81 | 137 |
bminor/glibc:sysdeps/aarch64/memset.S:4 | .p2align 3
L(no_zva):
sub count, dstend, dst /* Count is 32 too large. */
sub count, count, 64 + 32 /* Adjust count and bias for loop. */
L(no_zva_loop):
stp q0, q0, [dst, 32]
stp q0, q0, [dst, 64]
add dst, dst, 64
subs count, count, 64
b.hi L(no_zva_loop)
stp q0, q0, [dstend, -64]
stp q0, q0, [dstend, -32]
... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memset.S | LGPL-2.1 | 04e750e75b73957cf1c791535a3f4319534a52fc | github | libc | https://github.com/bminor/glibc/blob/04e750e75b73957cf1c791535a3f4319534a52fc/sysdeps/aarch64/memset.S | 121 | 137 |
bminor/glibc:sysdeps/aarch64/memset.S:1 | /* Generic optimized memset 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/memset.S | LGPL-2.1 | ce2f26a22e6b6f5c108d156afd9b43a452bb024c | github | libc | https://github.com/bminor/glibc/blob/ce2f26a22e6b6f5c108d156afd9b43a452bb024c/sysdeps/aarch64/memset.S | 1 | 60 |
bminor/glibc:sysdeps/aarch64/memset.S:1 | /* Generic optimized memset 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/memset.S | LGPL-2.1 | 2642002380aafb71a1d3b569b6d7ebeab3284816 | github | libc | https://github.com/bminor/glibc/blob/2642002380aafb71a1d3b569b6d7ebeab3284816/sysdeps/aarch64/memset.S | 1 | 60 |
bminor/glibc:sysdeps/aarch64/memset.S:2 | ENTRY (MEMSET)
PTR_ARG (0)
SIZE_ARG (2)
dup v0.16B, valw
cmp count, 16
b.lo L(set_small)
add dstend, dstin, count
cmp count, 64
b.hs L(set_128)
/* Set 16..63 bytes. */
mov off, 16
and off, off, count, lsr 1
sub dstend2, dstend, off
str q0, [dstin]
str q0, [dstin, off]
str q0, [dstend2, -16]
str q0, ... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memset.S | LGPL-2.1 | 2642002380aafb71a1d3b569b6d7ebeab3284816 | github | libc | https://github.com/bminor/glibc/blob/2642002380aafb71a1d3b569b6d7ebeab3284816/sysdeps/aarch64/memset.S | 41 | 100 |
bminor/glibc:sysdeps/aarch64/memset.S:3 | strb valw, [dstin, off]
strb valw, [dstend, -1]
3: ret
.p2align 4
L(set_128):
bic dst, dstin, 15
cmp count, 128
b.hi L(set_long)
stp q0, q0, [dstin]
stp q0, q0, [dstin, 32]
stp q0, q0, [dstend, -64]
stp q0, q0, [dstend, -32]
ret
.p2align 4
L(set_long):
str q0, [dstin]
str q0, [dst, 16]
tst valw, 255
b.... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memset.S | LGPL-2.1 | 2642002380aafb71a1d3b569b6d7ebeab3284816 | github | libc | https://github.com/bminor/glibc/blob/2642002380aafb71a1d3b569b6d7ebeab3284816/sysdeps/aarch64/memset.S | 81 | 140 |
bminor/glibc:sysdeps/aarch64/memset.S:4 | subs count, count, 64
b.hi L(zva64_loop)
ret
.p2align 3
L(no_zva):
sub count, dstend, dst /* Count is 32 too large. */
sub count, count, 64 + 32 /* Adjust count and bias for loop. */
L(no_zva_loop):
stp q0, q0, [dst, 32]
stp q0, q0, [dst, 64]
add dst, dst, 64
subs count, count, 64
b.hi L(no_zva_loop)
stp ... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memset.S | LGPL-2.1 | 2642002380aafb71a1d3b569b6d7ebeab3284816 | github | libc | https://github.com/bminor/glibc/blob/2642002380aafb71a1d3b569b6d7ebeab3284816/sysdeps/aarch64/memset.S | 121 | 140 |
bminor/glibc:sysdeps/aarch64/memset.S:1 | /* Generic optimized memset 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/memset.S | LGPL-2.1 | a08d9a52f967531a77e1824c23b5368c6434a72d | github | libc | https://github.com/bminor/glibc/blob/a08d9a52f967531a77e1824c23b5368c6434a72d/sysdeps/aarch64/memset.S | 1 | 60 |
bminor/glibc:sysdeps/aarch64/memset.S:3 | strb valw, [dstin, off]
strb valw, [dstend, -1]
3: ret
.p2align 4
L(set_128):
bic dst, dstin, 15
cmp count, 128
b.hi L(set_long)
stp q0, q0, [dstin]
stp q0, q0, [dstin, 32]
stp q0, q0, [dstend, -64]
stp q0, q0, [dstend, -32]
ret
.p2align 4
L(set_long):
str q0, [dstin]
str q0, [dst, 16]
tst valw, 255
b.... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memset.S | LGPL-2.1 | 8ecb477ea16a387a44ace5bf59d39a7e270b238b | github | libc | https://github.com/bminor/glibc/blob/8ecb477ea16a387a44ace5bf59d39a7e270b238b/sysdeps/aarch64/memset.S | 81 | 140 |
bminor/glibc:sysdeps/aarch64/memset.S:4 | subs count, count, 64
b.hi L(zva64_loop)
ret
.p2align 3
L(no_zva):
sub count, dstend, dst /* Count is 32 too large. */
sub count, count, 64 + 32 /* Adjust count and bias for loop. */
L(no_zva_loop):
stp q0, q0, [dst, 32]
stp q0, q0, [dst, 64]
add dst, dst, 64
subs count, count, 64
b.hi L(no_zva_loop)
stp ... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memset.S | LGPL-2.1 | 8ecb477ea16a387a44ace5bf59d39a7e270b238b | github | libc | https://github.com/bminor/glibc/blob/8ecb477ea16a387a44ace5bf59d39a7e270b238b/sysdeps/aarch64/memset.S | 121 | 163 |
bminor/glibc:sysdeps/aarch64/memset.S:1 | /* Generic optimized memset 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/memset.S | LGPL-2.1 | cec3aef32412779e207f825db0d057ebb4628ae8 | github | libc | https://github.com/bminor/glibc/blob/cec3aef32412779e207f825db0d057ebb4628ae8/sysdeps/aarch64/memset.S | 1 | 60 |
bminor/glibc:sysdeps/aarch64/memset.S:2 | ENTRY (MEMSET)
PTR_ARG (0)
SIZE_ARG (2)
dup v0.16B, valw
cmp count, 16
b.lo L(set_small)
add dstend, dstin, count
cmp count, 64
b.hs L(set_128)
/* Set 16..63 bytes. */
mov off, 16
and off, off, count, lsr 1
sub dstend2, dstend, off
str q0, [dstin]
str q0, [dstin, off]
str q0, [dstend2, -16]
str q0, ... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memset.S | LGPL-2.1 | cec3aef32412779e207f825db0d057ebb4628ae8 | github | libc | https://github.com/bminor/glibc/blob/cec3aef32412779e207f825db0d057ebb4628ae8/sysdeps/aarch64/memset.S | 41 | 100 |
bminor/glibc:sysdeps/aarch64/memset.S:3 | strb valw, [dstin]
strb valw, [dstin, off]
strb valw, [dstend, -1]
3: ret
.p2align 4
L(set_128):
bic dst, dstin, 15
cmp count, 128
b.hi L(set_long)
stp q0, q0, [dstin]
stp q0, q0, [dstin, 32]
stp q0, q0, [dstend, -64]
stp q0, q0, [dstend, -32]
ret
.p2align 4
L(set_long):
str q0, [dstin]
str q0, [dst, 16... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memset.S | LGPL-2.1 | cec3aef32412779e207f825db0d057ebb4628ae8 | github | libc | https://github.com/bminor/glibc/blob/cec3aef32412779e207f825db0d057ebb4628ae8/sysdeps/aarch64/memset.S | 81 | 140 |
bminor/glibc:sysdeps/aarch64/memset.S:4 | dc zva, dst
subs count, count, 64
b.hi L(zva64_loop)
ret
.p2align 3
L(no_zva):
sub count, dstend, dst /* Count is 32 too large. */
sub count, count, 64 + 32 /* Adjust count and bias for loop. */
L(no_zva_loop):
stp q0, q0, [dst, 32]
stp q0, q0, [dst, 64]
add dst, dst, 64
subs count, count, 64
b.hi L(no_zv... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memset.S | LGPL-2.1 | cec3aef32412779e207f825db0d057ebb4628ae8 | github | libc | https://github.com/bminor/glibc/blob/cec3aef32412779e207f825db0d057ebb4628ae8/sysdeps/aarch64/memset.S | 121 | 164 |
bminor/glibc:sysdeps/aarch64/memset.S:1 | /* 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 Foundation; either
version 2.1 of the... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memset.S | LGPL-2.1 | dff8da6b3e89b986bb7f6b1ec18cf65d5972e307 | github | libc | https://github.com/bminor/glibc/blob/dff8da6b3e89b986bb7f6b1ec18cf65d5972e307/sysdeps/aarch64/memset.S | 1 | 60 |
bminor/glibc:sysdeps/aarch64/memset.S:2 | b.hi L(set_long)
cmp count, 16
b.hs L(set_medium)
mov val, v0.D[0]
/* Set 0..15 bytes. */
tbz count, 3, 1f
str val, [dstin]
str val, [dstend, -8]
ret
nop
1: tbz count, 2, 2f
str valw, [dstin]
str valw, [dstend, -4]
ret
2: cbz count, 3f
strb valw, [dstin]
tbz count, 1, 3f
strh valw, [dstend, -2]
3: ret
... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memset.S | LGPL-2.1 | dff8da6b3e89b986bb7f6b1ec18cf65d5972e307 | github | libc | https://github.com/bminor/glibc/blob/dff8da6b3e89b986bb7f6b1ec18cf65d5972e307/sysdeps/aarch64/memset.S | 41 | 100 |
bminor/glibc:sysdeps/aarch64/memset.S:3 | .p2align 3
nop
L(set_long):
and valw, valw, 255
bic dst, dstin, 15
str q0, [dstin]
cmp count, 256
ccmp valw, 0, 0, cs
b.eq L(try_zva)
L(no_zva):
sub count, dstend, dst /* Count is 16 too large. */
sub dst, dst, 16 /* Dst is biased by -32. */
sub count, count, 64 + 16 /* Adjust count and bias for loop. */
... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memset.S | LGPL-2.1 | dff8da6b3e89b986bb7f6b1ec18cf65d5972e307 | github | libc | https://github.com/bminor/glibc/blob/dff8da6b3e89b986bb7f6b1ec18cf65d5972e307/sysdeps/aarch64/memset.S | 81 | 140 |
bminor/glibc:sysdeps/aarch64/memset.S:4 | stp q0, q0, [dst, 64]
stp q0, q0, [dst, 96]
sub count, dstend, dst /* Count is now 128 too large. */
sub count, count, 128+64+64 /* Adjust count and bias for loop. */
add dst, dst, 128
1: dc zva, dst
add dst, dst, 64
subs count, count, 64
b.hi 1b
stp q0, q0, [dst, 0]
stp q0, q0, [dst, 32]
stp q0, q0, [dstend... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memset.S | LGPL-2.1 | dff8da6b3e89b986bb7f6b1ec18cf65d5972e307 | github | libc | https://github.com/bminor/glibc/blob/dff8da6b3e89b986bb7f6b1ec18cf65d5972e307/sysdeps/aarch64/memset.S | 121 | 180 |
bminor/glibc:sysdeps/aarch64/memset.S:5 | mov tmp2w, 4
lsl zva_lenw, tmp2w, tmp1w
add tmp1, zva_len, 64 /* Max alignment bytes written. */
cmp count, tmp1
blo L(no_zva)
sub tmp2, zva_len, 1
add tmp1, dst, zva_len
add dst, dst, 16
subs count, tmp1, dst /* Actual alignment bytes to write. */
bic tmp1, tmp1, tmp2 /* Aligned dc zva start address. */
... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memset.S | LGPL-2.1 | dff8da6b3e89b986bb7f6b1ec18cf65d5972e307 | github | libc | https://github.com/bminor/glibc/blob/dff8da6b3e89b986bb7f6b1ec18cf65d5972e307/sysdeps/aarch64/memset.S | 161 | 191 |
bminor/glibc:sysdeps/aarch64/memset.S:1 | /* 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 Foundation; either
version 2.1 of the... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memset.S | LGPL-2.1 | 3d7090f14b13312320e425b27dcf0fe72de026fd | github | libc | https://github.com/bminor/glibc/blob/3d7090f14b13312320e425b27dcf0fe72de026fd/sysdeps/aarch64/memset.S | 1 | 60 |
bminor/glibc:sysdeps/aarch64/memset.S:3 | .p2align 3
nop
L(set_long):
and valw, valw, 255
bic dst, dstin, 15
str q0, [dstin]
cmp count, 256
ccmp valw, 0, 0, cs
b.eq L(try_zva)
L(no_zva):
sub count, dstend, dst /* Count is 16 too large. */
sub dst, dst, 16 /* Dst is biased by -32. */
sub count, count, 64 + 16 /* Adjust count and bias for loop. */
... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memset.S | LGPL-2.1 | 9fd3409842b3e2d31cff5dbd6f96066c430f0aa2 | github | libc | https://github.com/bminor/glibc/blob/9fd3409842b3e2d31cff5dbd6f96066c430f0aa2/sysdeps/aarch64/memset.S | 81 | 140 |
bminor/glibc:sysdeps/aarch64/memset.S:1 | /* 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 Foundation; either
version 2.1 of the... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memset.S | LGPL-2.1 | 6d7e8eda9b85b08f207a6dc6f187e94e4817270f | github | libc | https://github.com/bminor/glibc/blob/6d7e8eda9b85b08f207a6dc6f187e94e4817270f/sysdeps/aarch64/memset.S | 1 | 60 |
bminor/glibc:sysdeps/aarch64/memset.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/memset.S | LGPL-2.1 | 581c785bf31bc74430320c7856bbfa3875d025fe | github | libc | https://github.com/bminor/glibc/blob/581c785bf31bc74430320c7856bbfa3875d025fe/sysdeps/aarch64/memset.S | 1 | 60 |
bminor/glibc:sysdeps/aarch64/memset.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/memset.S | LGPL-2.1 | 2b778ceb4010c28d70de9b8eab20e8d88eed586b | github | libc | https://github.com/bminor/glibc/blob/2b778ceb4010c28d70de9b8eab20e8d88eed586b/sysdeps/aarch64/memset.S | 1 | 60 |
bminor/glibc:sysdeps/aarch64/memset.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/memset.S | LGPL-2.1 | 45b1e17e9150dbd9ac2d578579063fbfa8e1b327 | github | libc | https://github.com/bminor/glibc/blob/45b1e17e9150dbd9ac2d578579063fbfa8e1b327/sysdeps/aarch64/memset.S | 1 | 60 |
bminor/glibc:sysdeps/aarch64/memset.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/memset.S | LGPL-2.1 | d614a7539657941a9201c236b2f15afac18e1213 | github | libc | https://github.com/bminor/glibc/blob/d614a7539657941a9201c236b2f15afac18e1213/sysdeps/aarch64/memset.S | 1 | 60 |
bminor/glibc:sysdeps/aarch64/memset.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/memset.S | LGPL-2.1 | 5a82c74822d3272df2f5929133680478c0cfb4bd | github | libc | https://github.com/bminor/glibc/blob/5a82c74822d3272df2f5929133680478c0cfb4bd/sysdeps/aarch64/memset.S | 1 | 60 |
bminor/glibc:sysdeps/aarch64/memset.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/memset.S | LGPL-2.1 | 04277e02d7f54d3582bebcf8386b317018cd5e1d | github | libc | https://github.com/bminor/glibc/blob/04277e02d7f54d3582bebcf8386b317018cd5e1d/sysdeps/aarch64/memset.S | 1 | 60 |
bminor/glibc:sysdeps/aarch64/memset.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/memset.S | LGPL-2.1 | 5770c0ad1e0c784e817464ca2cf9436a58c9beb7 | github | libc | https://github.com/bminor/glibc/blob/5770c0ad1e0c784e817464ca2cf9436a58c9beb7/sysdeps/aarch64/memset.S | 1 | 60 |
bminor/glibc:sysdeps/aarch64/memset.S:2 | b.hi L(set_long)
cmp count, 16
b.hs L(set_medium)
mov val, v0.D[0]
/* Set 0..15 bytes. */
tbz count, 3, 1f
str val, [dstin]
str val, [dstend, -8]
ret
nop
1: tbz count, 2, 2f
str valw, [dstin]
str valw, [dstend, -4]
ret
2: cbz count, 3f
strb valw, [dstin]
tbz count, 1, 3f
strh valw, [dstend, -2]
3: ret
... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memset.S | LGPL-2.1 | 688903eb3ef01301d239ab753d309d45720610a7 | github | libc | https://github.com/bminor/glibc/blob/688903eb3ef01301d239ab753d309d45720610a7/sysdeps/aarch64/memset.S | 41 | 100 |
bminor/glibc:sysdeps/aarch64/memset.S:3 | .p2align 3
nop
L(set_long):
and valw, valw, 255
bic dst, dstin, 15
str q0, [dstin]
cmp count, 256
ccmp valw, 0, 0, cs
b.eq L(try_zva)
L(no_zva):
sub count, dstend, dst /* Count is 16 too large. */
add dst, dst, 16
sub count, count, 64 + 16 /* Adjust count and bias for loop. */
1: stp q0, q0, [dst], 64
stp ... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memset.S | LGPL-2.1 | 688903eb3ef01301d239ab753d309d45720610a7 | github | libc | https://github.com/bminor/glibc/blob/688903eb3ef01301d239ab753d309d45720610a7/sysdeps/aarch64/memset.S | 81 | 140 |
bminor/glibc:sysdeps/aarch64/memset.S:5 | mov tmp2w, 4
lsl zva_lenw, tmp2w, tmp1w
add tmp1, zva_len, 64 /* Max alignment bytes written. */
cmp count, tmp1
blo L(no_zva)
sub tmp2, zva_len, 1
add tmp1, dst, zva_len
add dst, dst, 16
subs count, tmp1, dst /* Actual alignment bytes to write. */
bic tmp1, tmp1, tmp2 /* Aligned dc zva start address. */
... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memset.S | LGPL-2.1 | 688903eb3ef01301d239ab753d309d45720610a7 | github | libc | https://github.com/bminor/glibc/blob/688903eb3ef01301d239ab753d309d45720610a7/sysdeps/aarch64/memset.S | 161 | 190 |
bminor/glibc:sysdeps/aarch64/memset.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/memset.S | LGPL-2.1 | 4e00196912e63bd44f9a62a88a0f5c5fde25ad86 | github | libc | https://github.com/bminor/glibc/blob/4e00196912e63bd44f9a62a88a0f5c5fde25ad86/sysdeps/aarch64/memset.S | 1 | 60 |
bminor/glibc:sysdeps/aarch64/memset.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/memset.S | LGPL-2.1 | 5a67c4fa010abb27e704aa4ea3896f3aa2b39ed7 | github | libc | https://github.com/bminor/glibc/blob/5a67c4fa010abb27e704aa4ea3896f3aa2b39ed7/sysdeps/aarch64/memset.S | 1 | 60 |
bminor/glibc:sysdeps/aarch64/memset.S:2 | /* Set 0..15 bytes. */
tbz count, 3, 1f
str val, [dstin]
str val, [dstend, -8]
ret
nop
1: tbz count, 2, 2f
str valw, [dstin]
str valw, [dstend, -4]
ret
2: cbz count, 3f
strb valw, [dstin]
tbz count, 1, 3f
strh valw, [dstend, -2]
3: ret
/* Set 17..96 bytes. */
L(set_medium):
str q0, [dstin]
tbnz count, ... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memset.S | LGPL-2.1 | 5a67c4fa010abb27e704aa4ea3896f3aa2b39ed7 | github | libc | https://github.com/bminor/glibc/blob/5a67c4fa010abb27e704aa4ea3896f3aa2b39ed7/sysdeps/aarch64/memset.S | 41 | 100 |
bminor/glibc:sysdeps/aarch64/memset.S:3 | bic dst, dstin, 15
str q0, [dstin]
cmp count, 256
ccmp valw, 0, 0, cs
b.eq L(try_zva)
L(no_zva):
sub count, dstend, dst /* Count is 16 too large. */
add dst, dst, 16
sub count, count, 64 + 16 /* Adjust count and bias for loop. */
1: stp q0, q0, [dst], 64
stp q0, q0, [dst, -32]
L(tail64):
subs count, count, 6... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memset.S | LGPL-2.1 | 5a67c4fa010abb27e704aa4ea3896f3aa2b39ed7 | github | libc | https://github.com/bminor/glibc/blob/5a67c4fa010abb27e704aa4ea3896f3aa2b39ed7/sysdeps/aarch64/memset.S | 81 | 140 |
bminor/glibc:sysdeps/aarch64/memset.S:4 | add dst, dst, 128
nop
1: dc zva, dst
add dst, dst, 64
subs count, count, 64
b.hi 1b
stp q0, q0, [dst, 0]
stp q0, q0, [dst, 32]
stp q0, q0, [dstend, -64]
stp q0, q0, [dstend, -32]
ret
.p2align 3
L(zva_128):
cmp tmp1w, 5 /* ZVA size is 128 bytes. */
b.ne L(zva_other)
str q0, [dst, 16]
stp q0, q0, [dst, 3... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memset.S | LGPL-2.1 | 5a67c4fa010abb27e704aa4ea3896f3aa2b39ed7 | github | libc | https://github.com/bminor/glibc/blob/5a67c4fa010abb27e704aa4ea3896f3aa2b39ed7/sysdeps/aarch64/memset.S | 121 | 180 |
bminor/glibc:sysdeps/aarch64/memset.S:5 | blo L(no_zva)
sub tmp2, zva_len, 1
add tmp1, dst, zva_len
add dst, dst, 16
subs count, tmp1, dst /* Actual alignment bytes to write. */
bic tmp1, tmp1, tmp2 /* Aligned dc zva start address. */
beq 2f
1: stp q0, q0, [dst], 64
stp q0, q0, [dst, -32]
subs count, count, 64
b.hi 1b
2: mov dst, tmp1
sub count, d... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memset.S | LGPL-2.1 | 5a67c4fa010abb27e704aa4ea3896f3aa2b39ed7 | github | libc | https://github.com/bminor/glibc/blob/5a67c4fa010abb27e704aa4ea3896f3aa2b39ed7/sysdeps/aarch64/memset.S | 161 | 186 |
bminor/glibc:sysdeps/aarch64/memset.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/memset.S | LGPL-2.1 | bfff8b1becd7d01c074177df7196ab327cd8c844 | github | libc | https://github.com/bminor/glibc/blob/bfff8b1becd7d01c074177df7196ab327cd8c844/sysdeps/aarch64/memset.S | 1 | 60 |
bminor/glibc:sysdeps/aarch64/memset.S:2 | DELOUSE (0)
DELOUSE (2)
dup v0.16B, valw
add dstend, dstin, count
cmp count, 96
b.hi L(set_long)
cmp count, 16
b.hs L(set_medium)
mov val, v0.D[0]
/* Set 0..15 bytes. */
tbz count, 3, 1f
str val, [dstin]
str val, [dstend, -8]
ret
nop
1: tbz count, 2, 2f
str valw, [dstin]
str valw, [dstend, -4]
ret
... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memset.S | LGPL-2.1 | bfff8b1becd7d01c074177df7196ab327cd8c844 | github | libc | https://github.com/bminor/glibc/blob/bfff8b1becd7d01c074177df7196ab327cd8c844/sysdeps/aarch64/memset.S | 41 | 100 |
bminor/glibc:sysdeps/aarch64/memset.S:3 | /* Set 64..96 bytes. Write 64 bytes from the start and
32 bytes from the end. */
L(set96):
str q0, [dstin, 16]
stp q0, q0, [dstin, 32]
stp q0, q0, [dstend, -32]
ret
.p2align 3
nop
L(set_long):
and valw, valw, 255
bic dst, dstin, 15
str q0, [dstin]
cmp count, 256
ccmp valw, 0, 0, cs
b.eq L(try_zva)
L(... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memset.S | LGPL-2.1 | bfff8b1becd7d01c074177df7196ab327cd8c844 | github | libc | https://github.com/bminor/glibc/blob/bfff8b1becd7d01c074177df7196ab327cd8c844/sysdeps/aarch64/memset.S | 81 | 140 |
bminor/glibc:sysdeps/aarch64/memset.S:4 | */
L(zva_64):
str q0, [dst, 16]
stp q0, q0, [dst, 32]
bic dst, dst, 63
stp q0, q0, [dst, 64]
stp q0, q0, [dst, 96]
sub count, dstend, dst /* Count is now 128 too large. */
sub count, count, 128+64+64 /* Adjust count and bias for loop. */
add dst, dst, 128
nop
1: dc zva, dst
add dst, dst, 64
subs count, coun... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memset.S | LGPL-2.1 | bfff8b1becd7d01c074177df7196ab327cd8c844 | github | libc | https://github.com/bminor/glibc/blob/bfff8b1becd7d01c074177df7196ab327cd8c844/sysdeps/aarch64/memset.S | 121 | 180 |
bminor/glibc:sysdeps/aarch64/memset.S:5 | stp q0, q0, [dstend, -64]
stp q0, q0, [dstend, -32]
ret
L(zva_other):
mov tmp2w, 4
lsl zva_lenw, tmp2w, tmp1w
add tmp1, zva_len, 64 /* Max alignment bytes written. */
cmp count, tmp1
blo L(no_zva)
sub tmp2, zva_len, 1
add tmp1, dst, zva_len
add dst, dst, 16
subs count, tmp1, dst /* Actual alignment bytes ... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memset.S | LGPL-2.1 | bfff8b1becd7d01c074177df7196ab327cd8c844 | github | libc | https://github.com/bminor/glibc/blob/bfff8b1becd7d01c074177df7196ab327cd8c844/sysdeps/aarch64/memset.S | 161 | 195 |
bminor/glibc:sysdeps/aarch64/memset.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/memset.S | LGPL-2.1 | 389d1f1b232b3d6b9d73ee2c50e543ace6675621 | github | libc | https://github.com/bminor/glibc/blob/389d1f1b232b3d6b9d73ee2c50e543ace6675621/sysdeps/aarch64/memset.S | 1 | 60 |
bminor/glibc:sysdeps/aarch64/memset.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/memset.S | LGPL-2.1 | a8c5a2a9521e105da6e96eaf4029b8e4d595e4f5 | github | libc | https://github.com/bminor/glibc/blob/a8c5a2a9521e105da6e96eaf4029b8e4d595e4f5/sysdeps/aarch64/memset.S | 1 | 60 |
bminor/glibc:sysdeps/aarch64/memset.S:2 | dup v0.16B, valw
add dstend, dstin, count
cmp count, 96
b.hi L(set_long)
cmp count, 16
b.hs L(set_medium)
mov val, v0.D[0]
/* Set 0..15 bytes. */
tbz count, 3, 1f
str val, [dstin]
str val, [dstend, -8]
ret
nop
1: tbz count, 2, 2f
str valw, [dstin]
str valw, [dstend, -4]
ret
2: cbz count, 3f
strb valw... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memset.S | LGPL-2.1 | a8c5a2a9521e105da6e96eaf4029b8e4d595e4f5 | github | libc | https://github.com/bminor/glibc/blob/a8c5a2a9521e105da6e96eaf4029b8e4d595e4f5/sysdeps/aarch64/memset.S | 41 | 100 |
bminor/glibc:sysdeps/aarch64/memset.S:3 | str q0, [dstin, 16]
stp q0, q0, [dstin, 32]
stp q0, q0, [dstend, -32]
ret
.p2align 3
nop
L(set_long):
and valw, valw, 255
bic dst, dstin, 15
str q0, [dstin]
cmp count, 256
ccmp valw, 0, 0, cs
b.eq L(try_zva)
L(no_zva):
sub count, dstend, dst /* Count is 16 too large. */
add dst, dst, 16
sub count, count... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memset.S | LGPL-2.1 | a8c5a2a9521e105da6e96eaf4029b8e4d595e4f5 | github | libc | https://github.com/bminor/glibc/blob/a8c5a2a9521e105da6e96eaf4029b8e4d595e4f5/sysdeps/aarch64/memset.S | 81 | 140 |
bminor/glibc:sysdeps/aarch64/memset.S:4 | stp q0, q0, [dst, 32]
bic dst, dst, 63
stp q0, q0, [dst, 64]
stp q0, q0, [dst, 96]
sub count, dstend, dst /* Count is now 128 too large. */
sub count, count, 128+64+64 /* Adjust count and bias for loop. */
add dst, dst, 128
nop
1: dc zva, dst
add dst, dst, 64
subs count, count, 64
b.hi 1b
stp q0, q0, [dst, ... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memset.S | LGPL-2.1 | a8c5a2a9521e105da6e96eaf4029b8e4d595e4f5 | github | libc | https://github.com/bminor/glibc/blob/a8c5a2a9521e105da6e96eaf4029b8e4d595e4f5/sysdeps/aarch64/memset.S | 121 | 180 |
bminor/glibc:sysdeps/aarch64/memset.S:5 | L(zva_other):
mov tmp2w, 4
lsl zva_lenw, tmp2w, tmp1w
add tmp1, zva_len, 64 /* Max alignment bytes written. */
cmp count, tmp1
blo L(no_zva)
sub tmp2, zva_len, 1
add tmp1, dst, zva_len
add dst, dst, 16
subs count, tmp1, dst /* Actual alignment bytes to write. */
bic tmp1, tmp1, tmp2 /* Aligned dc zva start... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memset.S | LGPL-2.1 | a8c5a2a9521e105da6e96eaf4029b8e4d595e4f5 | github | libc | https://github.com/bminor/glibc/blob/a8c5a2a9521e105da6e96eaf4029b8e4d595e4f5/sysdeps/aarch64/memset.S | 161 | 192 |
bminor/glibc:sysdeps/aarch64/memset.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/memset.S | LGPL-2.1 | f7a9f785e547bd599dee496fd906a28bcb4ec7fe | github | libc | https://github.com/bminor/glibc/blob/f7a9f785e547bd599dee496fd906a28bcb4ec7fe/sysdeps/aarch64/memset.S | 1 | 60 |
bminor/glibc:sysdeps/aarch64/memset.S:2 | #define tmp1 x3
#define tmp1w w3
#define tmp2 x4
#define tmp2w w4
#define zva_len_x x5
#define zva_len w5
#define zva_bits_x x6
#define A_l x7
#define A_lw w7
#define dst x8
#define tmp3w w9
ENTRY_ALIGN (__memset, 6)
mov dst, dstin /* Preserve return value. */
ands A_lw, val, #255
#ifndef DONT_USE_DC
b... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memset.S | LGPL-2.1 | f7a9f785e547bd599dee496fd906a28bcb4ec7fe | github | libc | https://github.com/bminor/glibc/blob/f7a9f785e547bd599dee496fd906a28bcb4ec7fe/sysdeps/aarch64/memset.S | 41 | 100 |
bminor/glibc:sysdeps/aarch64/memset.S:3 | stp A_l, A_l, [dst, #-16]
L(tail15):
and count, count, #15
add dst, dst, count
stp A_l, A_l, [dst, #-16] /* Repeat some/all of last store. */
RET
L(tail15tiny):
/* Set up to 15 bytes. Does not assume earlier memory
being set. */
tbz count, #3, 1f
str A_l, [dst], #8
1:
tbz count, #2, 1f
str A_lw, [dst],... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memset.S | LGPL-2.1 | f7a9f785e547bd599dee496fd906a28bcb4ec7fe | github | libc | https://github.com/bminor/glibc/blob/f7a9f785e547bd599dee496fd906a28bcb4ec7fe/sysdeps/aarch64/memset.S | 81 | 140 |
bminor/glibc:sysdeps/aarch64/memset.S:4 | b.le L(tail63)
2:
sub dst, dst, #16 /* Pre-bias. */
sub count, count, #64
1:
stp A_l, A_l, [dst, #16]
stp A_l, A_l, [dst, #32]
stp A_l, A_l, [dst, #48]
stp A_l, A_l, [dst, #64]!
subs count, count, #64
b.ge 1b
tst count, #0x3f
add dst, dst, #16
b.ne L(tail63)
RET
#ifndef DONT_USE_DC
/* For zeroing memory... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memset.S | LGPL-2.1 | f7a9f785e547bd599dee496fd906a28bcb4ec7fe | github | libc | https://github.com/bminor/glibc/blob/f7a9f785e547bd599dee496fd906a28bcb4ec7fe/sysdeps/aarch64/memset.S | 121 | 180 |
bminor/glibc:sysdeps/aarch64/memset.S:5 | tbnz zva_len, #31, L(not_short)
cbnz zva_len, L(zero_by_line)
mrs tmp1, dczid_el0
tbz tmp1, #4, 1f
/* ZVA not available. Remember this for next time. */
mov zva_len, #~0
str zva_len, [tmp2, #:lo12:L(cache_clear)]
b L(not_short)
1:
mov tmp3w, #4
and zva_len, tmp1w, #15 /* Safety: other bits reserved. */
lsl... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memset.S | LGPL-2.1 | f7a9f785e547bd599dee496fd906a28bcb4ec7fe | github | libc | https://github.com/bminor/glibc/blob/f7a9f785e547bd599dee496fd906a28bcb4ec7fe/sysdeps/aarch64/memset.S | 161 | 220 |
bminor/glibc:sysdeps/aarch64/memset.S:6 | stp A_l, A_l, [dst, #16]
stp A_l, A_l, [dst, #32]
subs tmp2, tmp2, #64
stp A_l, A_l, [dst, #48]
add dst, dst, #64
b.ge 2b
/* We've overrun a bit, so adjust dst downwards. */
add dst, dst, tmp2
1:
sub count, count, zva_len_x
3:
dc zva, dst
add dst, dst, zva_len_x
subs count, count, zva_len_x
b.ge 3b
ands c... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/memset.S | LGPL-2.1 | f7a9f785e547bd599dee496fd906a28bcb4ec7fe | github | libc | https://github.com/bminor/glibc/blob/f7a9f785e547bd599dee496fd906a28bcb4ec7fe/sysdeps/aarch64/memset.S | 201 | 229 |
bminor/glibc:sysdeps/aarch64/memset.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/memset.S | LGPL-2.1 | 890b7a4b33d482b5c768ab47d70758b80227e9bc | github | libc | https://github.com/bminor/glibc/blob/890b7a4b33d482b5c768ab47d70758b80227e9bc/sysdeps/aarch64/memset.S | 1 | 60 |
bminor/glibc:sysdeps/aarch64/multiarch/memchr_generic.S:1 | /* Memchr for aarch64, default version for internal use.
Copyright (C) 2018-2026 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 t... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/multiarch/memchr_generic.S | LGPL-2.1 | 04e750e75b73957cf1c791535a3f4319534a52fc | github | libc | https://github.com/bminor/glibc/blob/04e750e75b73957cf1c791535a3f4319534a52fc/sysdeps/aarch64/multiarch/memchr_generic.S | 1 | 36 |
bminor/glibc:sysdeps/aarch64/multiarch/memchr_generic.S:1 | /* Memchr for aarch64, default version for internal use.
Copyright (C) 2018-2025 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 t... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/multiarch/memchr_generic.S | LGPL-2.1 | 2642002380aafb71a1d3b569b6d7ebeab3284816 | github | libc | https://github.com/bminor/glibc/blob/2642002380aafb71a1d3b569b6d7ebeab3284816/sysdeps/aarch64/multiarch/memchr_generic.S | 1 | 36 |
bminor/glibc:sysdeps/aarch64/multiarch/memchr_generic.S:1 | /* Memchr for aarch64, default version for internal use.
Copyright (C) 2018-2024 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 t... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/multiarch/memchr_generic.S | LGPL-2.1 | ef9596352b9863dd055578b4bfdd3777aca0bcb8 | github | libc | https://github.com/bminor/glibc/blob/ef9596352b9863dd055578b4bfdd3777aca0bcb8/sysdeps/aarch64/multiarch/memchr_generic.S | 1 | 36 |
bminor/glibc:sysdeps/aarch64/multiarch/memchr_generic.S:1 | /* Memchr for aarch64, default version for internal use.
Copyright (C) 2018-2024 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 t... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/multiarch/memchr_generic.S | LGPL-2.1 | dff8da6b3e89b986bb7f6b1ec18cf65d5972e307 | github | libc | https://github.com/bminor/glibc/blob/dff8da6b3e89b986bb7f6b1ec18cf65d5972e307/sysdeps/aarch64/multiarch/memchr_generic.S | 1 | 33 |
bminor/glibc:sysdeps/aarch64/multiarch/memchr_generic.S:1 | /* Memchr for aarch64, default version for internal use.
Copyright (C) 2018-2023 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 t... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/multiarch/memchr_generic.S | LGPL-2.1 | 6d7e8eda9b85b08f207a6dc6f187e94e4817270f | github | libc | https://github.com/bminor/glibc/blob/6d7e8eda9b85b08f207a6dc6f187e94e4817270f/sysdeps/aarch64/multiarch/memchr_generic.S | 1 | 33 |
bminor/glibc:sysdeps/aarch64/multiarch/memchr_generic.S:1 | /* Memchr for aarch64, default version for internal use.
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
License as published by t... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/multiarch/memchr_generic.S | LGPL-2.1 | 581c785bf31bc74430320c7856bbfa3875d025fe | github | libc | https://github.com/bminor/glibc/blob/581c785bf31bc74430320c7856bbfa3875d025fe/sysdeps/aarch64/multiarch/memchr_generic.S | 1 | 33 |
bminor/glibc:sysdeps/aarch64/multiarch/memchr_generic.S:1 | /* Memchr for aarch64, default version for internal use.
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
License as published by t... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/multiarch/memchr_generic.S | LGPL-2.1 | 2b778ceb4010c28d70de9b8eab20e8d88eed586b | github | libc | https://github.com/bminor/glibc/blob/2b778ceb4010c28d70de9b8eab20e8d88eed586b/sysdeps/aarch64/multiarch/memchr_generic.S | 1 | 33 |
bminor/glibc:sysdeps/aarch64/multiarch/memchr_generic.S:1 | /* Memchr for aarch64, default version for internal use.
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
License as published by t... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/multiarch/memchr_generic.S | LGPL-2.1 | d614a7539657941a9201c236b2f15afac18e1213 | github | libc | https://github.com/bminor/glibc/blob/d614a7539657941a9201c236b2f15afac18e1213/sysdeps/aarch64/multiarch/memchr_generic.S | 1 | 33 |
bminor/glibc:sysdeps/aarch64/multiarch/memchr_generic.S:1 | /* Memchr for aarch64, default version for internal use.
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 published by the Fr... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/multiarch/memchr_generic.S | LGPL-2.1 | 5a82c74822d3272df2f5929133680478c0cfb4bd | github | libc | https://github.com/bminor/glibc/blob/5a82c74822d3272df2f5929133680478c0cfb4bd/sysdeps/aarch64/multiarch/memchr_generic.S | 1 | 33 |
bminor/glibc:sysdeps/aarch64/multiarch/memchr_generic.S:1 | /* Memchr for aarch64, default version for internal use.
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 published by the Fr... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/multiarch/memchr_generic.S | LGPL-2.1 | 83d1cc42d8e6b18a4b6ba53addfdae98c694ea36 | github | libc | https://github.com/bminor/glibc/blob/83d1cc42d8e6b18a4b6ba53addfdae98c694ea36/sysdeps/aarch64/multiarch/memchr_generic.S | 1 | 33 |
bminor/glibc:sysdeps/aarch64/multiarch/memchr_nosimd.S:1 | /* memchr - find a character in a memory zone using base integer registers
Copyright (C) 2018-2026 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
Licens... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/multiarch/memchr_nosimd.S | LGPL-2.1 | 04e750e75b73957cf1c791535a3f4319534a52fc | github | libc | https://github.com/bminor/glibc/blob/04e750e75b73957cf1c791535a3f4319534a52fc/sysdeps/aarch64/multiarch/memchr_nosimd.S | 1 | 60 |
bminor/glibc:sysdeps/aarch64/multiarch/memchr_nosimd.S:2 | #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 0x7f7f7f7f7f7f7f7f
ENTRY (__memchr_nosimd)
/* Do not dereference... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/multiarch/memchr_nosimd.S | LGPL-2.1 | 04e750e75b73957cf1c791535a3f4319534a52fc | github | libc | https://github.com/bminor/glibc/blob/04e750e75b73957cf1c791535a3f4319534a52fc/sysdeps/aarch64/multiarch/memchr_nosimd.S | 41 | 100 |
bminor/glibc:sysdeps/aarch64/multiarch/memchr_nosimd.S:3 | 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
mov tmp2, ~0
#ifdef __AARCH64EB__
lsr tmp3, tmp2, tmp1
#else
lsl tmp3, tmp2, tmp1
#endif
/* Start address is in the first or the second qword? ... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/multiarch/memchr_nosimd.S | LGPL-2.1 | 04e750e75b73957cf1c791535a3f4319534a52fc | github | libc | https://github.com/bminor/glibc/blob/04e750e75b73957cf1c791535a3f4319534a52fc/sysdeps/aarch64/multiarch/memchr_nosimd.S | 81 | 140 |
bminor/glibc:sysdeps/aarch64/multiarch/memchr_nosimd.S:4 | *
* o. Memory range is so large that end address wrap-around.
* ( start address - end address) > 0
*/
cmp srcin, srcend
ccmp src, srcend16, 0, mi
csetm anymore, ne
b L(find_chr)
.p2align 4
L(loop):
ldp data1, data2, [src], 16
subs anymore, src, srcend16
/*
* Transform any byte in the block to z... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/multiarch/memchr_nosimd.S | LGPL-2.1 | 04e750e75b73957cf1c791535a3f4319534a52fc | github | libc | https://github.com/bminor/glibc/blob/04e750e75b73957cf1c791535a3f4319534a52fc/sysdeps/aarch64/multiarch/memchr_nosimd.S | 121 | 180 |
bminor/glibc:sysdeps/aarch64/multiarch/memchr_nosimd.S:5 | 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_chr1, has_chr1
#endif
b L(done)
1: cbz has_chr2, L(none_chr)
sub result, src, 8
#ifdef __AARCH64EB__
rev data1, data2
#else
rev h... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/multiarch/memchr_nosimd.S | LGPL-2.1 | 04e750e75b73957cf1c791535a3f4319534a52fc | github | libc | https://github.com/bminor/glibc/blob/04e750e75b73957cf1c791535a3f4319534a52fc/sysdeps/aarch64/multiarch/memchr_nosimd.S | 161 | 215 |
bminor/glibc:sysdeps/aarch64/multiarch/memchr_nosimd.S:6 | * 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, result, tmp1, lsr 3
ccmp result, srcend, 8, eq /* NZCV = 8000 */
csel result, result, xzr, mi
ret
L(none_chr):
mov result, 0
ret
END (__memchr_no... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/multiarch/memchr_nosimd.S | LGPL-2.1 | 04e750e75b73957cf1c791535a3f4319534a52fc | github | libc | https://github.com/bminor/glibc/blob/04e750e75b73957cf1c791535a3f4319534a52fc/sysdeps/aarch64/multiarch/memchr_nosimd.S | 201 | 215 |
bminor/glibc:sysdeps/aarch64/multiarch/memchr_nosimd.S:1 | /* memchr - find a character in a memory zone using base integer registers
Copyright (C) 2018-2025 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
Licens... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/multiarch/memchr_nosimd.S | LGPL-2.1 | ce2f26a22e6b6f5c108d156afd9b43a452bb024c | github | libc | https://github.com/bminor/glibc/blob/ce2f26a22e6b6f5c108d156afd9b43a452bb024c/sysdeps/aarch64/multiarch/memchr_nosimd.S | 1 | 60 |
bminor/glibc:sysdeps/aarch64/multiarch/memchr_nosimd.S:2 | #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 0x7f7f7f7f7f7f7f7f
ENTRY (__memchr_nosimd)
PTR_ARG (0)
SIZE_ARG... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/multiarch/memchr_nosimd.S | LGPL-2.1 | 2642002380aafb71a1d3b569b6d7ebeab3284816 | github | libc | https://github.com/bminor/glibc/blob/2642002380aafb71a1d3b569b6d7ebeab3284816/sysdeps/aarch64/multiarch/memchr_nosimd.S | 41 | 100 |
bminor/glibc:sysdeps/aarch64/multiarch/memchr_nosimd.S:3 | *
* [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
mov tmp2, ~0
#ifdef __AARCH64EB__
lsr tmp3, tmp2, tmp1
#else
lsl tmp3, tmp2, tmp1
#endif
/*... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/multiarch/memchr_nosimd.S | LGPL-2.1 | 2642002380aafb71a1d3b569b6d7ebeab3284816 | github | libc | https://github.com/bminor/glibc/blob/2642002380aafb71a1d3b569b6d7ebeab3284816/sysdeps/aarch64/multiarch/memchr_nosimd.S | 81 | 140 |
bminor/glibc:sysdeps/aarch64/multiarch/memchr_nosimd.S:4 | * 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 - end address) > 0
*/
cmp srcin, srcend
ccmp src, srcend16, ... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/multiarch/memchr_nosimd.S | LGPL-2.1 | 2642002380aafb71a1d3b569b6d7ebeab3284816 | github | libc | https://github.com/bminor/glibc/blob/2642002380aafb71a1d3b569b6d7ebeab3284816/sysdeps/aarch64/multiarch/memchr_nosimd.S | 121 | 180 |
bminor/glibc:sysdeps/aarch64/multiarch/memchr_nosimd.S:5 | 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_chr1, has_chr1
#endif
b L(done)
1: cbz has_chr2, L(none_chr)
sub result, src, ... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/multiarch/memchr_nosimd.S | LGPL-2.1 | 2642002380aafb71a1d3b569b6d7ebeab3284816 | github | libc | https://github.com/bminor/glibc/blob/2642002380aafb71a1d3b569b6d7ebeab3284816/sysdeps/aarch64/multiarch/memchr_nosimd.S | 161 | 218 |
bminor/glibc:sysdeps/aarch64/multiarch/memchr_nosimd.S:6 | /*
* 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, result, tmp1, lsr 3
ccmp result, srcend, 8, eq /* NZCV = 8000 */
csel result, re... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/multiarch/memchr_nosimd.S | LGPL-2.1 | 2642002380aafb71a1d3b569b6d7ebeab3284816 | github | libc | https://github.com/bminor/glibc/blob/2642002380aafb71a1d3b569b6d7ebeab3284816/sysdeps/aarch64/multiarch/memchr_nosimd.S | 201 | 218 |
bminor/glibc:sysdeps/aarch64/multiarch/memchr_nosimd.S:1 | /* memchr - find a character in a memory zone using base integer registers
Copyright (C) 2018-2024 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
Licens... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/multiarch/memchr_nosimd.S | LGPL-2.1 | dff8da6b3e89b986bb7f6b1ec18cf65d5972e307 | github | libc | https://github.com/bminor/glibc/blob/dff8da6b3e89b986bb7f6b1ec18cf65d5972e307/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) 2018-2023 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
Licens... | arm64 | gas-like | handwritten | bminor/glibc | sysdeps/aarch64/multiarch/memchr_nosimd.S | LGPL-2.1 | 9fd3409842b3e2d31cff5dbd6f96066c430f0aa2 | github | libc | https://github.com/bminor/glibc/blob/9fd3409842b3e2d31cff5dbd6f96066c430f0aa2/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) 2018-2023 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
Licens... | 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 | 1 | 60 |
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