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ARM64EC is a new ARM64 variant introduced in Windows 11 that uses an ABI similar to AMD64, which allows for better interoperability with emulated AMD64 applications. When enabled in MSVC, it defines _M_AMD64 and _M_ARM64EC, but not _M_ARM64, so we need to check for _M_ARM64EC.
58 lines
1.7 KiB
C
58 lines
1.7 KiB
C
#ifndef ARM_NEON_INTRINS_H
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#define ARM_NEON_INTRINS_H
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#if defined(_M_ARM64) || defined(_M_ARM64EC)
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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(__aarch64__) && !defined(_M_ARM64) && !defined(_M_ARM64EC)
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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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# 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 = (uint16x8x4_t) {{
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vld1q_u16(a),
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vld1q_u16(a+8),
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vld1q_u16(a+16),
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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 = (uint8x16x4_t) {{
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vld1q_u8(a),
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vld1q_u8(a+16),
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vld1q_u8(a+32),
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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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#endif
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#endif // include guard ARM_NEON_INTRINS_H
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