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#ifndef ARM_NEON_INTRINS_H
#define ARM_NEON_INTRINS_H
#if defined(_MSC_VER) && defined(ARCH_ARM) && defined(ARCH_64BIT)
/* arm64_neon.h is MSVC specific */
# include <arm64_neon.h>
#else
# include <arm_neon.h>
#endif
#if defined(ARM_NEON) && defined(ARCH_ARM) && defined(ARCH_32BIT)
/* Compatibility shim for the _high family of functions */
#define vmull_high_u8(a, b) vmull_u8(vget_high_u8(a), vget_high_u8(b))
#define vmlal_high_u8(a, b, c) vmlal_u8(a, vget_high_u8(b), vget_high_u8(c))
#define vmlal_high_u16(a, b, c) vmlal_u16(a, vget_high_u16(b), vget_high_u16(c))
#define vaddw_high_u8(a, b) vaddw_u8(a, vget_high_u8(b))
#endif
#ifdef ARM_NEON
#define vqsubq_u16_x4_x1(out, a, b) do { \
out.val[0] = vqsubq_u16(a.val[0], b); \
out.val[1] = vqsubq_u16(a.val[1], b); \
out.val[2] = vqsubq_u16(a.val[2], b); \
out.val[3] = vqsubq_u16(a.val[3], b); \
} while (0)
# if defined(ARCH_ARM) && defined(ARCH_32BIT) && defined(__clang__) && \
(!defined(__clang_major__) || __clang_major__ < 20)
/* Clang versions before 20 have too strict of an
* alignment requirement (:256) for x4 NEON intrinsics */
# undef ARM_NEON_HASLD4
# undef vld1q_u16_x4
# undef vld1q_u8_x4
# undef vst1q_u16_x4
# endif
# ifndef ARM_NEON_HASLD4
static inline uint16x8x4_t vld1q_u16_x4(uint16_t const *a) {
uint16x8x4_t ret;
ret.val[0] = vld1q_u16(a);
ret.val[1] = vld1q_u16(a+8);
ret.val[2] = vld1q_u16(a+16);
ret.val[3] = vld1q_u16(a+24);
return ret;
}
static inline uint8x16x4_t vld1q_u8_x4(uint8_t const *a) {
uint8x16x4_t ret;
ret.val[0] = vld1q_u8(a);
ret.val[1] = vld1q_u8(a+16);
ret.val[2] = vld1q_u8(a+32);
ret.val[3] = vld1q_u8(a+48);
return ret;
}
static inline void vst1q_u16_x4(uint16_t *p, uint16x8x4_t a) {
vst1q_u16(p, a.val[0]);
vst1q_u16(p + 8, a.val[1]);
vst1q_u16(p + 16, a.val[2]);
vst1q_u16(p + 24, a.val[3]);
}
# endif // HASLD4 check
# ifndef _MSC_VER
# define vld1_u8_ex(p, align) vld1_u8(HINT_ALIGNED((p), (align)/8))
# define vld1q_u8_ex(p, align) vld1q_u8(HINT_ALIGNED((p), (align)/8))
# define vld1q_u64_ex(p, align) vld1q_u64(HINT_ALIGNED((p), (align)/8))
# endif
# if !defined(_MSC_VER) || !defined(ARM_NEON_HASLD4)
# define vld1q_u8_x4_ex(p, align) vld1q_u8_x4(HINT_ALIGNED((p), (align)/8))
# define vld1q_u16_x4_ex(p, align) vld1q_u16_x4(HINT_ALIGNED((p), (align)/8))
# define vst1q_u16_x4_ex(p, a, align) vst1q_u16_x4(HINT_ALIGNED((p), (align)/8), a)
# endif
#endif
#endif // include guard ARM_NEON_INTRINS_H
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