Greg Kroah-Hartman
598cf27219
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
39 lines
998 B
C
39 lines
998 B
C
// SPDX-License-Identifier: GPL-2.0-only
|
|
/*
|
|
* linux/arch/arm/lib/xor-neon.c
|
|
*
|
|
* Copyright (C) 2013 Linaro Ltd <ard.biesheuvel@linaro.org>
|
|
*/
|
|
|
|
#include <linux/raid/xor.h>
|
|
#include <linux/module.h>
|
|
|
|
MODULE_DESCRIPTION("NEON accelerated XOR implementation");
|
|
MODULE_LICENSE("GPL");
|
|
|
|
#ifndef __ARM_NEON__
|
|
#error You should compile this file with '-march=armv7-a -mfloat-abi=softfp -mfpu=neon'
|
|
#endif
|
|
|
|
/*
|
|
* Pull in the reference implementations while instructing GCC (through
|
|
* -ftree-vectorize) to attempt to exploit implicit parallelism and emit
|
|
* NEON instructions. Clang does this by default at O2 so no pragma is
|
|
* needed.
|
|
*/
|
|
#ifdef CONFIG_CC_IS_GCC
|
|
#pragma GCC optimize "tree-vectorize"
|
|
#endif
|
|
|
|
#pragma GCC diagnostic ignored "-Wunused-variable"
|
|
#include <asm-generic/xor.h>
|
|
|
|
struct xor_block_template const xor_block_neon_inner = {
|
|
.name = "__inner_neon__",
|
|
.do_2 = xor_8regs_2,
|
|
.do_3 = xor_8regs_3,
|
|
.do_4 = xor_8regs_4,
|
|
.do_5 = xor_8regs_5,
|
|
};
|
|
EXPORT_SYMBOL(xor_block_neon_inner);
|