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