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/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Copyright (C) 2023 WANG Xuerui <git@xen0n.name>
*/
#ifndef _ASM_LOONGARCH_XOR_H
#define _ASM_LOONGARCH_XOR_H
#include <asm/cpu-features.h>
#include <asm/xor_simd.h>
#ifdef CONFIG_CPU_HAS_LSX
static struct xor_block_template xor_block_lsx = {
.name = "lsx",
.do_2 = xor_lsx_2,
.do_3 = xor_lsx_3,
.do_4 = xor_lsx_4,
.do_5 = xor_lsx_5,
};
#define XOR_SPEED_LSX() \
do { \
if (cpu_has_lsx) \
xor_speed(&xor_block_lsx); \
} while (0)
#else /* CONFIG_CPU_HAS_LSX */
#define XOR_SPEED_LSX()
#endif /* CONFIG_CPU_HAS_LSX */
#ifdef CONFIG_CPU_HAS_LASX
static struct xor_block_template xor_block_lasx = {
.name = "lasx",
.do_2 = xor_lasx_2,
.do_3 = xor_lasx_3,
.do_4 = xor_lasx_4,
.do_5 = xor_lasx_5,
};
#define XOR_SPEED_LASX() \
do { \
if (cpu_has_lasx) \
xor_speed(&xor_block_lasx); \
} while (0)
#else /* CONFIG_CPU_HAS_LASX */
#define XOR_SPEED_LASX()
#endif /* CONFIG_CPU_HAS_LASX */
/*
* For grins, also test the generic routines.
*
* More importantly: it cannot be ruled out at this point of time, that some
* future (maybe reduced) models could run the vector algorithms slower than
* the scalar ones, maybe for errata or micro-op reasons. It may be
* appropriate to revisit this after one or two more uarch generations.
*/
#include <asm-generic/xor.h>
#undef XOR_TRY_TEMPLATES
#define XOR_TRY_TEMPLATES \
do { \
xor_speed(&xor_block_8regs); \
xor_speed(&xor_block_8regs_p); \
xor_speed(&xor_block_32regs); \
xor_speed(&xor_block_32regs_p); \
XOR_SPEED_LSX(); \
XOR_SPEED_LASX(); \
} while (0)
#endif /* _ASM_LOONGARCH_XOR_H */