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Add AArch64 NEON parity generation and recovery functions

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This commit is contained in:
Andrea Mazzoleni 2026-06-04 22:05:59 +02:00
parent 7358bc0879
commit 677aa0cc90
12 changed files with 1755 additions and 6 deletions
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34
raid/internal.h
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@ -23,7 +23,13 @@
#define CONFIG_X86 1
#define CONFIG_X86_64 1
#endif
#if defined(__arm__) || defined(__aarch64__)
#if defined(__ARM_NEON) || defined(__ARM_NEON__)
#define CONFIG_NEON 1
#endif
#endif
#endif
/*
* Includes anything required for compatibility.
@ -144,6 +150,16 @@ void raid_recX_avx2gfni(int nr, int *id, int *ip, int nd, size_t size, void **vv
void raid_rec1_avx512gfni(int nr, int *id, int *ip, int nd, size_t size, void **vv);
void raid_rec2_avx512gfni(int nr, int *id, int *ip, int nd, size_t size, void **vv);
void raid_recX_avx512gfni(int nr, int *id, int *ip, int nd, size_t size, void **vv);
void raid_gen1_neon(int nd, size_t size, void **vv);
void raid_gen2_neon(int nd, size_t size, void **vv);
void raid_genz_neon(int nd, size_t size, void **vv);
void raid_gen3_neon(int nd, size_t size, void **vv);
void raid_gen4_neon(int nd, size_t size, void **vv);
void raid_gen5_neon(int nd, size_t size, void **vv);
void raid_gen6_neon(int nd, size_t size, void **vv);
void raid_rec1_neon(int nr, int *id, int *ip, int nd, size_t size, void **vv);
void raid_rec2_neon(int nr, int *id, int *ip, int nd, size_t size, void **vv);
void raid_recX_neon(int nr, int *id, int *ip, int nd, size_t size, void **vv);
/*
* Functions for parity computation.
@ -348,5 +364,23 @@ static __always_inline void raid_avx_end(void)
}
#endif /* CONFIG_X86 */
#ifdef CONFIG_NEON
static __always_inline void raid_neon_begin(void)
{
}
static __always_inline void raid_neon_end(void)
{
asm volatile ("" : : : "v0", "v1", "v2", "v3", "v4", "v5", "v6", "v7");
asm volatile ("" : : : "v8", "v9", "v10", "v11", "v12", "v13", "v14", "v15");
asm volatile ("" : : : "v16", "v17", "v18", "v19", "v20", "v21", "v22", "v23");
asm volatile ("" : : : "v24", "v25", "v26", "v27", "v28", "v29", "v30", "v31");
}
void raid_register_neon(void);
#endif
#endif