xen0n

# SPDX-License-Identifier: GPL-2.0-or-later OR MIT
#
# how to build this:
#
# $ as -o check-new-world.tiny.o check-new-world.tiny.s
# $ ld check-new-world.tiny.o -o check-new-world.tiny.tmp
# $ objcopy -O binary --only-section=.blob ./check-new-world.tiny.tmp ./check-new-world.tiny

.section ".blob", "aw", @progbits

xen0n

// SPDX-License-Identifier: GPL-2.0-or-later

/*
$ gcc -O3 -o linux-xor-simd-test linux-xor-simd-test.c
$ ./linux-xor-simd-test
ref       (size=4096   ) passed 16383 times: 0.005044150 s total, 0.000000307 s per pass, 12687.191 MiB/s
lsx_32b   (size=4096   ) passed 16383 times: 0.002663250 s total, 0.000000162 s per pass, 24029.323 MiB/s
lsx_64b   (size=4096   ) passed 16383 times: 0.002517970 s total, 0.000000153 s per pass, 25415.749 MiB/s
lsx_128b  (size=4096   ) passed 16383 times: 0.002517590 s total, 0.000000153 s per pass, 25419.585 MiB/s
lasx_32b  (size=4096   ) passed 16383 times: 0.001935550 s total, 0.000000118 s per pass, 33063.519 MiB/s

xen0n

// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception

// Ever wondered how the wicked logic in https://github.com/llvm/llvm-project/blob/6084ee742064cf8/lld/ELF/Arch/LoongArch.cpp#L86-L169
// got discovered? This is the experiment I've done...

#include <cstdio>
#include <cstdint>
#include <cstdlib>
#include <unistd.h>