|  | /* | 
|  | * Copyright (c) 2021, Alliance for Open Media. All rights reserved | 
|  | * | 
|  | * This source code is subject to the terms of the BSD 3-Clause Clear License | 
|  | * and the Alliance for Open Media Patent License 1.0. If the BSD 3-Clause Clear | 
|  | * License was not distributed with this source code in the LICENSE file, you | 
|  | * can obtain it at aomedia.org/license/software-license/bsd-3-c-c/.  If the | 
|  | * Alliance for Open Media Patent License 1.0 was not distributed with this | 
|  | * source code in the PATENTS file, you can obtain it at | 
|  | * aomedia.org/license/patent-license/. | 
|  | */ | 
|  |  | 
|  | #ifndef AOM_AOM_DSP_SIMD_V128_INTRINSICS_ARM_H_ | 
|  | #define AOM_AOM_DSP_SIMD_V128_INTRINSICS_ARM_H_ | 
|  |  | 
|  | #include <arm_neon.h> | 
|  |  | 
|  | #include "aom_dsp/simd/v64_intrinsics_arm.h" | 
|  |  | 
|  | typedef int64x2_t v128; | 
|  |  | 
|  | SIMD_INLINE uint32_t v128_low_u32(v128 a) { | 
|  | return v64_low_u32(vget_low_s64(a)); | 
|  | } | 
|  |  | 
|  | SIMD_INLINE v64 v128_low_v64(v128 a) { return vget_low_s64(a); } | 
|  |  | 
|  | SIMD_INLINE v64 v128_high_v64(v128 a) { return vget_high_s64(a); } | 
|  |  | 
|  | SIMD_INLINE v128 v128_from_v64(v64 a, v64 b) { return vcombine_s64(b, a); } | 
|  |  | 
|  | SIMD_INLINE v128 v128_from_64(uint64_t a, uint64_t b) { | 
|  | return vcombine_s64((int64x1_t)b, (int64x1_t)a); | 
|  | } | 
|  |  | 
|  | SIMD_INLINE v128 v128_from_32(uint32_t a, uint32_t b, uint32_t c, uint32_t d) { | 
|  | return vcombine_s64(v64_from_32(c, d), v64_from_32(a, b)); | 
|  | } | 
|  |  | 
|  | SIMD_INLINE v128 v128_load_aligned(const void *p) { | 
|  | return vreinterpretq_s64_u8(vld1q_u8((const uint8_t *)p)); | 
|  | } | 
|  |  | 
|  | SIMD_INLINE v128 v128_load_unaligned(const void *p) { | 
|  | return v128_load_aligned(p); | 
|  | } | 
|  |  | 
|  | SIMD_INLINE void v128_store_aligned(void *p, v128 r) { | 
|  | vst1q_u8((uint8_t *)p, vreinterpretq_u8_s64(r)); | 
|  | } | 
|  |  | 
|  | SIMD_INLINE void v128_store_unaligned(void *p, v128 r) { | 
|  | vst1q_u8((uint8_t *)p, vreinterpretq_u8_s64(r)); | 
|  | } | 
|  |  | 
|  | SIMD_INLINE v128 v128_align(v128 a, v128 b, unsigned int c) { | 
|  | // The following functions require an immediate. | 
|  | // Some compilers will check this during optimisation, others wont. | 
|  | #if defined(__OPTIMIZE__) && __OPTIMIZE__ && !defined(__clang__) | 
|  | return c ? vreinterpretq_s64_s8( | 
|  | vextq_s8(vreinterpretq_s8_s64(b), vreinterpretq_s8_s64(a), c)) | 
|  | : b; | 
|  | #else | 
|  | return c < 8 ? v128_from_v64(v64_align(v128_low_v64(a), v128_high_v64(b), c), | 
|  | v64_align(v128_high_v64(b), v128_low_v64(b), c)) | 
|  | : v128_from_v64( | 
|  | v64_align(v128_high_v64(a), v128_low_v64(a), c - 8), | 
|  | v64_align(v128_low_v64(a), v128_high_v64(b), c - 8)); | 
|  | #endif | 
|  | } | 
|  |  | 
|  | SIMD_INLINE v128 v128_zero(void) { return vreinterpretq_s64_u8(vdupq_n_u8(0)); } | 
|  |  | 
|  | SIMD_INLINE v128 v128_ones(void) { | 
|  | return vreinterpretq_s64_u8(vdupq_n_u8(-1)); | 
|  | } | 
|  |  | 
|  | SIMD_INLINE v128 v128_dup_8(uint8_t x) { | 
|  | return vreinterpretq_s64_u8(vdupq_n_u8(x)); | 
|  | } | 
|  |  | 
|  | SIMD_INLINE v128 v128_dup_16(uint16_t x) { | 
|  | return vreinterpretq_s64_u16(vdupq_n_u16(x)); | 
|  | } | 
|  |  | 
|  | SIMD_INLINE v128 v128_dup_32(uint32_t x) { | 
|  | return vreinterpretq_s64_u32(vdupq_n_u32(x)); | 
|  | } | 
|  |  | 
|  | SIMD_INLINE v128 v128_dup_64(uint64_t x) { | 
|  | return vreinterpretq_s64_u64(vdupq_n_u64(x)); | 
|  | } | 
|  |  | 
|  | SIMD_INLINE int64_t v128_dotp_su8(v128 a, v128 b) { | 
|  | int16x8_t t1 = vmulq_s16( | 
|  | vmovl_s8(vreinterpret_s8_s64(vget_low_s64(a))), | 
|  | vreinterpretq_s16_u16(vmovl_u8(vreinterpret_u8_s64(vget_low_s64(b))))); | 
|  | int16x8_t t2 = vmulq_s16( | 
|  | vmovl_s8(vreinterpret_s8_s64(vget_high_s64(a))), | 
|  | vreinterpretq_s16_u16(vmovl_u8(vreinterpret_u8_s64(vget_high_s64(b))))); | 
|  | #if defined(__aarch64__) | 
|  | return vaddlvq_s16(t1) + vaddlvq_s16(t2); | 
|  | #else | 
|  | int64x2_t t = vpaddlq_s32(vaddq_s32(vpaddlq_s16(t1), vpaddlq_s16(t2))); | 
|  | return (int64_t)vget_high_s64(t) + (int64_t)vget_low_s64(t); | 
|  | #endif | 
|  | } | 
|  |  | 
|  | SIMD_INLINE int64_t v128_dotp_s16(v128 a, v128 b) { | 
|  | return v64_dotp_s16(vget_high_s64(a), vget_high_s64(b)) + | 
|  | v64_dotp_s16(vget_low_s64(a), vget_low_s64(b)); | 
|  | } | 
|  |  | 
|  | SIMD_INLINE int64_t v128_dotp_s32(v128 a, v128 b) { | 
|  | int64x2_t t = vpaddlq_s32( | 
|  | vmulq_s32(vreinterpretq_s32_s64(a), vreinterpretq_s32_s64(b))); | 
|  | return (int64_t)vget_high_s64(t) + (int64_t)vget_low_s64(t); | 
|  | } | 
|  |  | 
|  | SIMD_INLINE uint64_t v128_hadd_u8(v128 x) { | 
|  | #if defined(__aarch64__) | 
|  | return vaddlvq_u8(vreinterpretq_u8_s64(x)); | 
|  | #else | 
|  | uint64x2_t t = vpaddlq_u32(vpaddlq_u16(vpaddlq_u8(vreinterpretq_u8_s64(x)))); | 
|  | return vget_lane_s32( | 
|  | vreinterpret_s32_u64(vadd_u64(vget_high_u64(t), vget_low_u64(t))), 0); | 
|  | #endif | 
|  | } | 
|  |  | 
|  | SIMD_INLINE v128 v128_padd_s16(v128 a) { | 
|  | return vreinterpretq_s64_s32(vpaddlq_s16(vreinterpretq_s16_s64(a))); | 
|  | } | 
|  |  | 
|  | SIMD_INLINE v128 v128_padd_u8(v128 a) { | 
|  | return vreinterpretq_s64_u16(vpaddlq_u8(vreinterpretq_u8_s64(a))); | 
|  | } | 
|  |  | 
|  | typedef struct { | 
|  | sad64_internal hi, lo; | 
|  | } sad128_internal; | 
|  |  | 
|  | SIMD_INLINE sad128_internal v128_sad_u8_init(void) { | 
|  | sad128_internal s; | 
|  | s.hi = s.lo = vdupq_n_u16(0); | 
|  | return s; | 
|  | } | 
|  |  | 
|  | /* Implementation dependent return value.  Result must be finalised with | 
|  | v128_sad_u8_sum(). | 
|  | The result for more than 32 v128_sad_u8() calls is undefined. */ | 
|  | SIMD_INLINE sad128_internal v128_sad_u8(sad128_internal s, v128 a, v128 b) { | 
|  | sad128_internal r; | 
|  | r.hi = v64_sad_u8(s.hi, vget_high_s64(a), vget_high_s64(b)); | 
|  | r.lo = v64_sad_u8(s.lo, vget_low_s64(a), vget_low_s64(b)); | 
|  | return r; | 
|  | } | 
|  |  | 
|  | SIMD_INLINE uint32_t v128_sad_u8_sum(sad128_internal s) { | 
|  | #if defined(__aarch64__) | 
|  | return vaddlvq_u16(s.hi) + vaddlvq_u16(s.lo); | 
|  | #else | 
|  | uint64x2_t t = vpaddlq_u32(vpaddlq_u16(vaddq_u16(s.hi, s.lo))); | 
|  | return (uint32_t)(uint64_t)(vget_high_u64(t) + vget_low_u64(t)); | 
|  | #endif | 
|  | } | 
|  |  | 
|  | typedef struct { | 
|  | ssd64_internal hi, lo; | 
|  | } ssd128_internal; | 
|  |  | 
|  | SIMD_INLINE ssd128_internal v128_ssd_u8_init(void) { | 
|  | ssd128_internal s; | 
|  | s.hi = s.lo = v64_ssd_u8_init(); | 
|  | return s; | 
|  | } | 
|  |  | 
|  | /* Implementation dependent return value.  Result must be finalised with | 
|  | * v128_ssd_u8_sum(). */ | 
|  | SIMD_INLINE ssd128_internal v128_ssd_u8(ssd128_internal s, v128 a, v128 b) { | 
|  | ssd128_internal r; | 
|  | r.hi = v64_ssd_u8(s.hi, vget_high_s64(a), vget_high_s64(b)); | 
|  | r.lo = v64_ssd_u8(s.lo, vget_low_s64(a), vget_low_s64(b)); | 
|  | return r; | 
|  | } | 
|  |  | 
|  | SIMD_INLINE uint32_t v128_ssd_u8_sum(ssd128_internal s) { | 
|  | return (uint32_t)(v64_ssd_u8_sum(s.hi) + v64_ssd_u8_sum(s.lo)); | 
|  | } | 
|  |  | 
|  | SIMD_INLINE v128 v128_or(v128 x, v128 y) { return vorrq_s64(x, y); } | 
|  |  | 
|  | SIMD_INLINE v128 v128_xor(v128 x, v128 y) { return veorq_s64(x, y); } | 
|  |  | 
|  | SIMD_INLINE v128 v128_and(v128 x, v128 y) { return vandq_s64(x, y); } | 
|  |  | 
|  | SIMD_INLINE v128 v128_andn(v128 x, v128 y) { return vbicq_s64(x, y); } | 
|  |  | 
|  | SIMD_INLINE v128 v128_add_8(v128 x, v128 y) { | 
|  | return vreinterpretq_s64_u8( | 
|  | vaddq_u8(vreinterpretq_u8_s64(x), vreinterpretq_u8_s64(y))); | 
|  | } | 
|  |  | 
|  | SIMD_INLINE v128 v128_sadd_u8(v128 x, v128 y) { | 
|  | return vreinterpretq_s64_u8( | 
|  | vqaddq_u8(vreinterpretq_u8_s64(x), vreinterpretq_u8_s64(y))); | 
|  | } | 
|  |  | 
|  | SIMD_INLINE v128 v128_sadd_s8(v128 x, v128 y) { | 
|  | return vreinterpretq_s64_s8( | 
|  | vqaddq_s8(vreinterpretq_s8_s64(x), vreinterpretq_s8_s64(y))); | 
|  | } | 
|  |  | 
|  | SIMD_INLINE v128 v128_add_16(v128 x, v128 y) { | 
|  | return vreinterpretq_s64_s16( | 
|  | vaddq_s16(vreinterpretq_s16_s64(x), vreinterpretq_s16_s64(y))); | 
|  | } | 
|  |  | 
|  | SIMD_INLINE v128 v128_sadd_s16(v128 x, v128 y) { | 
|  | return vreinterpretq_s64_s16( | 
|  | vqaddq_s16(vreinterpretq_s16_s64(x), vreinterpretq_s16_s64(y))); | 
|  | } | 
|  |  | 
|  | SIMD_INLINE v128 v128_add_32(v128 x, v128 y) { | 
|  | return vreinterpretq_s64_u32( | 
|  | vaddq_u32(vreinterpretq_u32_s64(x), vreinterpretq_u32_s64(y))); | 
|  | } | 
|  |  | 
|  | SIMD_INLINE v128 v128_add_64(v128 x, v128 y) { | 
|  | return vreinterpretq_s64_u64( | 
|  | vaddq_u64(vreinterpretq_u64_s64(x), vreinterpretq_u64_s64(y))); | 
|  | } | 
|  |  | 
|  | SIMD_INLINE v128 v128_sub_8(v128 x, v128 y) { | 
|  | return vreinterpretq_s64_u8( | 
|  | vsubq_u8(vreinterpretq_u8_s64(x), vreinterpretq_u8_s64(y))); | 
|  | } | 
|  |  | 
|  | SIMD_INLINE v128 v128_sub_16(v128 x, v128 y) { | 
|  | return vreinterpretq_s64_s16( | 
|  | vsubq_s16(vreinterpretq_s16_s64(x), vreinterpretq_s16_s64(y))); | 
|  | } | 
|  |  | 
|  | SIMD_INLINE v128 v128_ssub_s16(v128 x, v128 y) { | 
|  | return vreinterpretq_s64_s16( | 
|  | vqsubq_s16(vreinterpretq_s16_s64(x), vreinterpretq_s16_s64(y))); | 
|  | } | 
|  |  | 
|  | SIMD_INLINE v128 v128_ssub_u16(v128 x, v128 y) { | 
|  | return vreinterpretq_s64_u16( | 
|  | vqsubq_u16(vreinterpretq_u16_s64(x), vreinterpretq_u16_s64(y))); | 
|  | } | 
|  |  | 
|  | SIMD_INLINE v128 v128_ssub_u8(v128 x, v128 y) { | 
|  | return vreinterpretq_s64_u8( | 
|  | vqsubq_u8(vreinterpretq_u8_s64(x), vreinterpretq_u8_s64(y))); | 
|  | } | 
|  |  | 
|  | SIMD_INLINE v128 v128_ssub_s8(v128 x, v128 y) { | 
|  | return vreinterpretq_s64_s8( | 
|  | vqsubq_s8(vreinterpretq_s8_s64(x), vreinterpretq_s8_s64(y))); | 
|  | } | 
|  |  | 
|  | SIMD_INLINE v128 v128_sub_32(v128 x, v128 y) { | 
|  | return vreinterpretq_s64_s32( | 
|  | vsubq_s32(vreinterpretq_s32_s64(x), vreinterpretq_s32_s64(y))); | 
|  | } | 
|  |  | 
|  | SIMD_INLINE v128 v128_sub_64(v128 x, v128 y) { return vsubq_s64(x, y); } | 
|  |  | 
|  | SIMD_INLINE v128 v128_abs_s16(v128 x) { | 
|  | return vreinterpretq_s64_s16(vabsq_s16(vreinterpretq_s16_s64(x))); | 
|  | } | 
|  |  | 
|  | SIMD_INLINE v128 v128_abs_s8(v128 x) { | 
|  | return vreinterpretq_s64_s8(vabsq_s8(vreinterpretq_s8_s64(x))); | 
|  | } | 
|  |  | 
|  | SIMD_INLINE v128 v128_mul_s16(v64 a, v64 b) { | 
|  | return vreinterpretq_s64_s32( | 
|  | vmull_s16(vreinterpret_s16_s64(a), vreinterpret_s16_s64(b))); | 
|  | } | 
|  |  | 
|  | SIMD_INLINE v128 v128_mullo_s16(v128 a, v128 b) { | 
|  | return vreinterpretq_s64_s16( | 
|  | vmulq_s16(vreinterpretq_s16_s64(a), vreinterpretq_s16_s64(b))); | 
|  | } | 
|  |  | 
|  | SIMD_INLINE v128 v128_mulhi_s16(v128 a, v128 b) { | 
|  | #if defined(__aarch64__) | 
|  | return vreinterpretq_s64_s16(vuzp2q_s16( | 
|  | vreinterpretq_s16_s32(vmull_s16(vreinterpret_s16_s64(vget_low_s64(a)), | 
|  | vreinterpret_s16_s64(vget_low_s64(b)))), | 
|  | vreinterpretq_s16_s32( | 
|  | vmull_high_s16(vreinterpretq_s16_s64(a), vreinterpretq_s16_s64(b))))); | 
|  | #else | 
|  | return v128_from_v64(v64_mulhi_s16(vget_high_s64(a), vget_high_s64(b)), | 
|  | v64_mulhi_s16(vget_low_s64(a), vget_low_s64(b))); | 
|  | #endif | 
|  | } | 
|  |  | 
|  | SIMD_INLINE v128 v128_mullo_s32(v128 a, v128 b) { | 
|  | return vreinterpretq_s64_s32( | 
|  | vmulq_s32(vreinterpretq_s32_s64(a), vreinterpretq_s32_s64(b))); | 
|  | } | 
|  |  | 
|  | SIMD_INLINE v128 v128_madd_s16(v128 a, v128 b) { | 
|  | #if defined(__aarch64__) | 
|  | int32x4_t t1 = vmull_s16(vreinterpret_s16_s64(vget_low_s64(a)), | 
|  | vreinterpret_s16_s64(vget_low_s64(b))); | 
|  | int32x4_t t2 = | 
|  | vmull_high_s16(vreinterpretq_s16_s64(a), vreinterpretq_s16_s64(b)); | 
|  | return vreinterpretq_s64_s32(vpaddq_s32(t1, t2)); | 
|  | #else | 
|  | return v128_from_v64(v64_madd_s16(vget_high_s64(a), vget_high_s64(b)), | 
|  | v64_madd_s16(vget_low_s64(a), vget_low_s64(b))); | 
|  | #endif | 
|  | } | 
|  |  | 
|  | SIMD_INLINE v128 v128_madd_us8(v128 a, v128 b) { | 
|  | #if defined(__aarch64__) | 
|  | int16x8_t t1 = vmulq_s16( | 
|  | vreinterpretq_s16_u16(vmovl_u8(vreinterpret_u8_s64(vget_low_s64(a)))), | 
|  | vmovl_s8(vreinterpret_s8_s64(vget_low_s64(b)))); | 
|  | int16x8_t t2 = vmulq_s16( | 
|  | vreinterpretq_s16_u16(vmovl_u8(vreinterpret_u8_s64(vget_high_s64(a)))), | 
|  | vmovl_s8(vreinterpret_s8_s64(vget_high_s64(b)))); | 
|  | return vreinterpretq_s64_s16( | 
|  | vqaddq_s16(vuzp1q_s16(t1, t2), vuzp2q_s16(t1, t2))); | 
|  | #else | 
|  | return v128_from_v64(v64_madd_us8(vget_high_s64(a), vget_high_s64(b)), | 
|  | v64_madd_us8(vget_low_s64(a), vget_low_s64(b))); | 
|  | #endif | 
|  | } | 
|  |  | 
|  | SIMD_INLINE v128 v128_avg_u8(v128 x, v128 y) { | 
|  | return vreinterpretq_s64_u8( | 
|  | vrhaddq_u8(vreinterpretq_u8_s64(x), vreinterpretq_u8_s64(y))); | 
|  | } | 
|  |  | 
|  | SIMD_INLINE v128 v128_rdavg_u8(v128 x, v128 y) { | 
|  | return vreinterpretq_s64_u8( | 
|  | vhaddq_u8(vreinterpretq_u8_s64(x), vreinterpretq_u8_s64(y))); | 
|  | } | 
|  |  | 
|  | SIMD_INLINE v128 v128_rdavg_u16(v128 x, v128 y) { | 
|  | return vreinterpretq_s64_u16( | 
|  | vhaddq_u16(vreinterpretq_u16_s64(x), vreinterpretq_u16_s64(y))); | 
|  | } | 
|  |  | 
|  | SIMD_INLINE v128 v128_avg_u16(v128 x, v128 y) { | 
|  | return vreinterpretq_s64_u16( | 
|  | vrhaddq_u16(vreinterpretq_u16_s64(x), vreinterpretq_u16_s64(y))); | 
|  | } | 
|  |  | 
|  | SIMD_INLINE v128 v128_min_u8(v128 x, v128 y) { | 
|  | return vreinterpretq_s64_u8( | 
|  | vminq_u8(vreinterpretq_u8_s64(x), vreinterpretq_u8_s64(y))); | 
|  | } | 
|  |  | 
|  | SIMD_INLINE v128 v128_max_u8(v128 x, v128 y) { | 
|  | return vreinterpretq_s64_u8( | 
|  | vmaxq_u8(vreinterpretq_u8_s64(x), vreinterpretq_u8_s64(y))); | 
|  | } | 
|  |  | 
|  | SIMD_INLINE v128 v128_min_s8(v128 x, v128 y) { | 
|  | return vreinterpretq_s64_s8( | 
|  | vminq_s8(vreinterpretq_s8_s64(x), vreinterpretq_s8_s64(y))); | 
|  | } | 
|  |  | 
|  | SIMD_INLINE uint32_t v128_movemask_8(v128 a) { | 
|  | a = vreinterpretq_s64_u8(vcltq_s8(vreinterpretq_s8_s64(a), vdupq_n_s8(0))); | 
|  | #if defined(__aarch64__) | 
|  | uint8x16_t m = | 
|  | vandq_u8(vreinterpretq_u8_s64(a), | 
|  | vreinterpretq_u8_u64(vdupq_n_u64(0x8040201008040201ULL))); | 
|  | return vaddv_u8(vget_low_u8(m)) + (vaddv_u8(vget_high_u8(m)) << 8); | 
|  | #else | 
|  | uint64x2_t m = vpaddlq_u32(vpaddlq_u16(vpaddlq_u8( | 
|  | vandq_u8(vreinterpretq_u8_s64(a), | 
|  | vreinterpretq_u8_u64(vdupq_n_u64(0x8040201008040201ULL)))))); | 
|  | return v64_low_u32( | 
|  | v64_ziplo_8(v128_high_v64((v128)m), v128_low_v64((v128)m))); | 
|  | #endif | 
|  | } | 
|  |  | 
|  | SIMD_INLINE v128 v128_blend_8(v128 a, v128 b, v128 c) { | 
|  | c = vreinterpretq_s64_u8(vcltq_s8(vreinterpretq_s8_s64(c), vdupq_n_s8(0))); | 
|  | return v128_or(v128_and(b, c), v128_andn(a, c)); | 
|  | } | 
|  |  | 
|  | SIMD_INLINE v128 v128_max_s8(v128 x, v128 y) { | 
|  | return vreinterpretq_s64_s8( | 
|  | vmaxq_s8(vreinterpretq_s8_s64(x), vreinterpretq_s8_s64(y))); | 
|  | } | 
|  |  | 
|  | SIMD_INLINE v128 v128_min_s16(v128 x, v128 y) { | 
|  | return vreinterpretq_s64_s16( | 
|  | vminq_s16(vreinterpretq_s16_s64(x), vreinterpretq_s16_s64(y))); | 
|  | } | 
|  |  | 
|  | SIMD_INLINE v128 v128_max_s16(v128 x, v128 y) { | 
|  | return vreinterpretq_s64_s16( | 
|  | vmaxq_s16(vreinterpretq_s16_s64(x), vreinterpretq_s16_s64(y))); | 
|  | } | 
|  |  | 
|  | SIMD_INLINE v128 v128_min_s32(v128 x, v128 y) { | 
|  | return vreinterpretq_s64_s32( | 
|  | vminq_s32(vreinterpretq_s32_s64(x), vreinterpretq_s32_s64(y))); | 
|  | } | 
|  |  | 
|  | SIMD_INLINE v128 v128_max_s32(v128 x, v128 y) { | 
|  | return vreinterpretq_s64_s32( | 
|  | vmaxq_s32(vreinterpretq_s32_s64(x), vreinterpretq_s32_s64(y))); | 
|  | } | 
|  |  | 
|  | SIMD_INLINE v128 v128_ziplo_8(v128 x, v128 y) { | 
|  | #if defined(__aarch64__) | 
|  | return vreinterpretq_s64_u8( | 
|  | vzip1q_u8(vreinterpretq_u8_s64(y), vreinterpretq_u8_s64(x))); | 
|  | #else | 
|  | uint8x16x2_t r = vzipq_u8(vreinterpretq_u8_s64(y), vreinterpretq_u8_s64(x)); | 
|  | return vreinterpretq_s64_u8(r.val[0]); | 
|  | #endif | 
|  | } | 
|  |  | 
|  | SIMD_INLINE v128 v128_ziphi_8(v128 x, v128 y) { | 
|  | #if defined(__aarch64__) | 
|  | return vreinterpretq_s64_u8( | 
|  | vzip2q_u8(vreinterpretq_u8_s64(y), vreinterpretq_u8_s64(x))); | 
|  | #else | 
|  | uint8x16x2_t r = vzipq_u8(vreinterpretq_u8_s64(y), vreinterpretq_u8_s64(x)); | 
|  | return vreinterpretq_s64_u8(r.val[1]); | 
|  | #endif | 
|  | } | 
|  |  | 
|  | SIMD_INLINE v128 v128_zip_8(v64 x, v64 y) { | 
|  | uint8x8x2_t r = vzip_u8(vreinterpret_u8_s64(y), vreinterpret_u8_s64(x)); | 
|  | return vreinterpretq_s64_u8(vcombine_u8(r.val[0], r.val[1])); | 
|  | } | 
|  |  | 
|  | SIMD_INLINE v128 v128_ziplo_16(v128 x, v128 y) { | 
|  | #if defined(__aarch64__) | 
|  | return vreinterpretq_s64_u16( | 
|  | vzip1q_u16(vreinterpretq_u16_s64(y), vreinterpretq_u16_s64(x))); | 
|  | #else | 
|  | int16x8x2_t r = vzipq_s16(vreinterpretq_s16_s64(y), vreinterpretq_s16_s64(x)); | 
|  | return vreinterpretq_s64_s16(r.val[0]); | 
|  | #endif | 
|  | } | 
|  |  | 
|  | SIMD_INLINE v128 v128_ziphi_16(v128 x, v128 y) { | 
|  | #if defined(__aarch64__) | 
|  | return vreinterpretq_s64_u16( | 
|  | vzip2q_u16(vreinterpretq_u16_s64(y), vreinterpretq_u16_s64(x))); | 
|  | #else | 
|  | int16x8x2_t r = vzipq_s16(vreinterpretq_s16_s64(y), vreinterpretq_s16_s64(x)); | 
|  | return vreinterpretq_s64_s16(r.val[1]); | 
|  | #endif | 
|  | } | 
|  |  | 
|  | SIMD_INLINE v128 v128_zip_16(v64 x, v64 y) { | 
|  | uint16x4x2_t r = vzip_u16(vreinterpret_u16_s64(y), vreinterpret_u16_s64(x)); | 
|  | return vreinterpretq_s64_u16(vcombine_u16(r.val[0], r.val[1])); | 
|  | } | 
|  |  | 
|  | SIMD_INLINE v128 v128_ziplo_32(v128 x, v128 y) { | 
|  | #if defined(__aarch64__) | 
|  | return vreinterpretq_s64_u32( | 
|  | vzip1q_u32(vreinterpretq_u32_s64(y), vreinterpretq_u32_s64(x))); | 
|  | #else | 
|  | int32x4x2_t r = vzipq_s32(vreinterpretq_s32_s64(y), vreinterpretq_s32_s64(x)); | 
|  | return vreinterpretq_s64_s32(r.val[0]); | 
|  | #endif | 
|  | } | 
|  |  | 
|  | SIMD_INLINE v128 v128_ziphi_32(v128 x, v128 y) { | 
|  | #if defined(__aarch64__) | 
|  | return vreinterpretq_s64_u32( | 
|  | vzip2q_u32(vreinterpretq_u32_s64(y), vreinterpretq_u32_s64(x))); | 
|  | #else | 
|  | int32x4x2_t r = vzipq_s32(vreinterpretq_s32_s64(y), vreinterpretq_s32_s64(x)); | 
|  | return vreinterpretq_s64_s32(r.val[1]); | 
|  | #endif | 
|  | } | 
|  |  | 
|  | SIMD_INLINE v128 v128_zip_32(v64 x, v64 y) { | 
|  | uint32x2x2_t r = vzip_u32(vreinterpret_u32_s64(y), vreinterpret_u32_s64(x)); | 
|  | return vreinterpretq_s64_u32(vcombine_u32(r.val[0], r.val[1])); | 
|  | } | 
|  |  | 
|  | SIMD_INLINE v128 v128_ziplo_64(v128 a, v128 b) { | 
|  | return v128_from_v64(vget_low_s64((int64x2_t)a), vget_low_s64((int64x2_t)b)); | 
|  | } | 
|  |  | 
|  | SIMD_INLINE v128 v128_ziphi_64(v128 a, v128 b) { | 
|  | return v128_from_v64(vget_high_s64((int64x2_t)a), | 
|  | vget_high_s64((int64x2_t)b)); | 
|  | } | 
|  |  | 
|  | SIMD_INLINE v128 v128_unziplo_8(v128 x, v128 y) { | 
|  | #if defined(__aarch64__) | 
|  | return vreinterpretq_s64_u8( | 
|  | vuzp1q_u8(vreinterpretq_u8_s64(y), vreinterpretq_u8_s64(x))); | 
|  | #else | 
|  | uint8x16x2_t r = vuzpq_u8(vreinterpretq_u8_s64(y), vreinterpretq_u8_s64(x)); | 
|  | return vreinterpretq_s64_u8(r.val[0]); | 
|  | #endif | 
|  | } | 
|  |  | 
|  | SIMD_INLINE v128 v128_unziphi_8(v128 x, v128 y) { | 
|  | #if defined(__aarch64__) | 
|  | return vreinterpretq_s64_u8( | 
|  | vuzp2q_u8(vreinterpretq_u8_s64(y), vreinterpretq_u8_s64(x))); | 
|  | #else | 
|  | uint8x16x2_t r = vuzpq_u8(vreinterpretq_u8_s64(y), vreinterpretq_u8_s64(x)); | 
|  | return vreinterpretq_s64_u8(r.val[1]); | 
|  | #endif | 
|  | } | 
|  |  | 
|  | SIMD_INLINE v128 v128_unziplo_16(v128 x, v128 y) { | 
|  | #if defined(__aarch64__) | 
|  | return vreinterpretq_s64_u16( | 
|  | vuzp1q_u16(vreinterpretq_u16_s64(y), vreinterpretq_u16_s64(x))); | 
|  | #else | 
|  | uint16x8x2_t r = | 
|  | vuzpq_u16(vreinterpretq_u16_s64(y), vreinterpretq_u16_s64(x)); | 
|  | return vreinterpretq_s64_u16(r.val[0]); | 
|  | #endif | 
|  | } | 
|  |  | 
|  | SIMD_INLINE v128 v128_unziphi_16(v128 x, v128 y) { | 
|  | #if defined(__aarch64__) | 
|  | return vreinterpretq_s64_u16( | 
|  | vuzp2q_u16(vreinterpretq_u16_s64(y), vreinterpretq_u16_s64(x))); | 
|  | #else | 
|  | uint16x8x2_t r = | 
|  | vuzpq_u16(vreinterpretq_u16_s64(y), vreinterpretq_u16_s64(x)); | 
|  | return vreinterpretq_s64_u16(r.val[1]); | 
|  | #endif | 
|  | } | 
|  |  | 
|  | SIMD_INLINE v128 v128_unziplo_32(v128 x, v128 y) { | 
|  | #if defined(__aarch64__) | 
|  | return vreinterpretq_s64_u32( | 
|  | vuzp1q_u32(vreinterpretq_u32_s64(y), vreinterpretq_u32_s64(x))); | 
|  | #else | 
|  | uint32x4x2_t r = | 
|  | vuzpq_u32(vreinterpretq_u32_s64(y), vreinterpretq_u32_s64(x)); | 
|  | return vreinterpretq_s64_u32(r.val[0]); | 
|  | #endif | 
|  | } | 
|  |  | 
|  | SIMD_INLINE v128 v128_unziphi_32(v128 x, v128 y) { | 
|  | #if defined(__aarch64__) | 
|  | return vreinterpretq_s64_u32( | 
|  | vuzp2q_u32(vreinterpretq_u32_s64(y), vreinterpretq_u32_s64(x))); | 
|  | #else | 
|  | uint32x4x2_t r = | 
|  | vuzpq_u32(vreinterpretq_u32_s64(y), vreinterpretq_u32_s64(x)); | 
|  | return vreinterpretq_s64_u32(r.val[1]); | 
|  | #endif | 
|  | } | 
|  |  | 
|  | SIMD_INLINE v128 v128_unpack_u8_s16(v64 a) { | 
|  | return vreinterpretq_s64_u16(vmovl_u8(vreinterpret_u8_s64(a))); | 
|  | } | 
|  |  | 
|  | SIMD_INLINE v128 v128_unpacklo_u8_s16(v128 a) { | 
|  | return vreinterpretq_s64_u16(vmovl_u8(vreinterpret_u8_s64(vget_low_s64(a)))); | 
|  | } | 
|  |  | 
|  | SIMD_INLINE v128 v128_unpackhi_u8_s16(v128 a) { | 
|  | return vreinterpretq_s64_u16(vmovl_u8(vreinterpret_u8_s64(vget_high_s64(a)))); | 
|  | } | 
|  |  | 
|  | SIMD_INLINE v128 v128_unpack_s8_s16(v64 a) { | 
|  | return vreinterpretq_s64_s16(vmovl_s8(vreinterpret_s8_s64(a))); | 
|  | } | 
|  |  | 
|  | SIMD_INLINE v128 v128_unpacklo_s8_s16(v128 a) { | 
|  | return vreinterpretq_s64_s16(vmovl_s8(vreinterpret_s8_s64(vget_low_s64(a)))); | 
|  | } | 
|  |  | 
|  | SIMD_INLINE v128 v128_unpackhi_s8_s16(v128 a) { | 
|  | return vreinterpretq_s64_s16(vmovl_s8(vreinterpret_s8_s64(vget_high_s64(a)))); | 
|  | } | 
|  |  | 
|  | SIMD_INLINE v128 v128_pack_s32_s16(v128 a, v128 b) { | 
|  | return v128_from_v64( | 
|  | vreinterpret_s64_s16(vqmovn_s32(vreinterpretq_s32_s64(a))), | 
|  | vreinterpret_s64_s16(vqmovn_s32(vreinterpretq_s32_s64(b)))); | 
|  | } | 
|  |  | 
|  | SIMD_INLINE v128 v128_pack_s32_u16(v128 a, v128 b) { | 
|  | return v128_from_v64( | 
|  | vreinterpret_s64_u16(vqmovun_s32(vreinterpretq_s32_s64(a))), | 
|  | vreinterpret_s64_u16(vqmovun_s32(vreinterpretq_s32_s64(b)))); | 
|  | } | 
|  |  | 
|  | SIMD_INLINE v128 v128_pack_s16_u8(v128 a, v128 b) { | 
|  | return v128_from_v64( | 
|  | vreinterpret_s64_u8(vqmovun_s16(vreinterpretq_s16_s64(a))), | 
|  | vreinterpret_s64_u8(vqmovun_s16(vreinterpretq_s16_s64(b)))); | 
|  | } | 
|  |  | 
|  | SIMD_INLINE v128 v128_pack_s16_s8(v128 a, v128 b) { | 
|  | return v128_from_v64( | 
|  | vreinterpret_s64_s8(vqmovn_s16(vreinterpretq_s16_s64(a))), | 
|  | vreinterpret_s64_s8(vqmovn_s16(vreinterpretq_s16_s64(b)))); | 
|  | } | 
|  |  | 
|  | SIMD_INLINE v128 v128_unpack_u16_s32(v64 a) { | 
|  | return vreinterpretq_s64_u32(vmovl_u16(vreinterpret_u16_s64(a))); | 
|  | } | 
|  |  | 
|  | SIMD_INLINE v128 v128_unpack_s16_s32(v64 a) { | 
|  | return vreinterpretq_s64_s32(vmovl_s16(vreinterpret_s16_s64(a))); | 
|  | } | 
|  |  | 
|  | SIMD_INLINE v128 v128_unpacklo_u16_s32(v128 a) { | 
|  | return vreinterpretq_s64_u32( | 
|  | vmovl_u16(vreinterpret_u16_s64(vget_low_s64(a)))); | 
|  | } | 
|  |  | 
|  | SIMD_INLINE v128 v128_unpacklo_s16_s32(v128 a) { | 
|  | return vreinterpretq_s64_s32( | 
|  | vmovl_s16(vreinterpret_s16_s64(vget_low_s64(a)))); | 
|  | } | 
|  |  | 
|  | SIMD_INLINE v128 v128_unpackhi_u16_s32(v128 a) { | 
|  | return vreinterpretq_s64_u32( | 
|  | vmovl_u16(vreinterpret_u16_s64(vget_high_s64(a)))); | 
|  | } | 
|  |  | 
|  | SIMD_INLINE v128 v128_unpackhi_s16_s32(v128 a) { | 
|  | return vreinterpretq_s64_s32( | 
|  | vmovl_s16(vreinterpret_s16_s64(vget_high_s64(a)))); | 
|  | } | 
|  |  | 
|  | SIMD_INLINE v128 v128_shuffle_8(v128 x, v128 pattern) { | 
|  | #if defined(__aarch64__) | 
|  | return vreinterpretq_s64_u8( | 
|  | vqtbl1q_u8(vreinterpretq_u8_s64(x), vreinterpretq_u8_s64(pattern))); | 
|  | #else | 
|  | uint8x8x2_t p = { { vget_low_u8(vreinterpretq_u8_s64(x)), | 
|  | vget_high_u8(vreinterpretq_u8_s64(x)) } }; | 
|  | return v128_from_64((uint64_t)vreinterpret_s64_u8(vtbl2_u8( | 
|  | p, vreinterpret_u8_s64(vget_high_s64(pattern)))), | 
|  | (uint64_t)vreinterpret_s64_u8(vtbl2_u8( | 
|  | p, vreinterpret_u8_s64(vget_low_s64(pattern))))); | 
|  | #endif | 
|  | } | 
|  |  | 
|  | SIMD_INLINE v128 v128_cmpgt_s8(v128 x, v128 y) { | 
|  | return vreinterpretq_s64_u8( | 
|  | vcgtq_s8(vreinterpretq_s8_s64(x), vreinterpretq_s8_s64(y))); | 
|  | } | 
|  |  | 
|  | SIMD_INLINE v128 v128_cmplt_s8(v128 x, v128 y) { | 
|  | return vreinterpretq_s64_u8( | 
|  | vcltq_s8(vreinterpretq_s8_s64(x), vreinterpretq_s8_s64(y))); | 
|  | } | 
|  |  | 
|  | SIMD_INLINE v128 v128_cmpeq_8(v128 x, v128 y) { | 
|  | return vreinterpretq_s64_u8( | 
|  | vceqq_u8(vreinterpretq_u8_s64(x), vreinterpretq_u8_s64(y))); | 
|  | } | 
|  |  | 
|  | SIMD_INLINE v128 v128_cmpgt_s16(v128 x, v128 y) { | 
|  | return vreinterpretq_s64_u16( | 
|  | vcgtq_s16(vreinterpretq_s16_s64(x), vreinterpretq_s16_s64(y))); | 
|  | } | 
|  |  | 
|  | SIMD_INLINE v128 v128_cmplt_s16(v128 x, v128 y) { | 
|  | return vreinterpretq_s64_u16( | 
|  | vcltq_s16(vreinterpretq_s16_s64(x), vreinterpretq_s16_s64(y))); | 
|  | } | 
|  |  | 
|  | SIMD_INLINE v128 v128_cmpeq_16(v128 x, v128 y) { | 
|  | return vreinterpretq_s64_u16( | 
|  | vceqq_s16(vreinterpretq_s16_s64(x), vreinterpretq_s16_s64(y))); | 
|  | } | 
|  |  | 
|  | SIMD_INLINE v128 v128_cmpgt_s32(v128 x, v128 y) { | 
|  | return vreinterpretq_s64_u32( | 
|  | vcgtq_s32(vreinterpretq_s32_s64(x), vreinterpretq_s32_s64(y))); | 
|  | } | 
|  |  | 
|  | SIMD_INLINE v128 v128_cmplt_s32(v128 x, v128 y) { | 
|  | return vreinterpretq_s64_u32( | 
|  | vcltq_s32(vreinterpretq_s32_s64(x), vreinterpretq_s32_s64(y))); | 
|  | } | 
|  |  | 
|  | SIMD_INLINE v128 v128_cmpeq_32(v128 x, v128 y) { | 
|  | return vreinterpretq_s64_u32( | 
|  | vceqq_s32(vreinterpretq_s32_s64(x), vreinterpretq_s32_s64(y))); | 
|  | } | 
|  |  | 
|  | SIMD_INLINE v128 v128_shl_8(v128 a, unsigned int c) { | 
|  | return (c > 7) ? v128_zero() | 
|  | : vreinterpretq_s64_u8( | 
|  | vshlq_u8(vreinterpretq_u8_s64(a), vdupq_n_s8(c))); | 
|  | } | 
|  |  | 
|  | SIMD_INLINE v128 v128_shr_u8(v128 a, unsigned int c) { | 
|  | return (c > 7) ? v128_zero() | 
|  | : vreinterpretq_s64_u8( | 
|  | vshlq_u8(vreinterpretq_u8_s64(a), vdupq_n_s8(-c))); | 
|  | } | 
|  |  | 
|  | SIMD_INLINE v128 v128_shr_s8(v128 a, unsigned int c) { | 
|  | return (c > 7) ? v128_ones() | 
|  | : vreinterpretq_s64_s8( | 
|  | vshlq_s8(vreinterpretq_s8_s64(a), vdupq_n_s8(-c))); | 
|  | } | 
|  |  | 
|  | SIMD_INLINE v128 v128_shl_16(v128 a, unsigned int c) { | 
|  | return (c > 15) ? v128_zero() | 
|  | : vreinterpretq_s64_u16( | 
|  | vshlq_u16(vreinterpretq_u16_s64(a), vdupq_n_s16(c))); | 
|  | } | 
|  |  | 
|  | SIMD_INLINE v128 v128_shr_u16(v128 a, unsigned int c) { | 
|  | return (c > 15) ? v128_zero() | 
|  | : vreinterpretq_s64_u16( | 
|  | vshlq_u16(vreinterpretq_u16_s64(a), vdupq_n_s16(-c))); | 
|  | } | 
|  |  | 
|  | SIMD_INLINE v128 v128_shr_s16(v128 a, unsigned int c) { | 
|  | return (c > 15) ? v128_ones() | 
|  | : vreinterpretq_s64_s16( | 
|  | vshlq_s16(vreinterpretq_s16_s64(a), vdupq_n_s16(-c))); | 
|  | } | 
|  |  | 
|  | SIMD_INLINE v128 v128_shl_32(v128 a, unsigned int c) { | 
|  | return (c > 31) ? v128_zero() | 
|  | : vreinterpretq_s64_u32( | 
|  | vshlq_u32(vreinterpretq_u32_s64(a), vdupq_n_s32(c))); | 
|  | } | 
|  |  | 
|  | SIMD_INLINE v128 v128_shr_u32(v128 a, unsigned int c) { | 
|  | return (c > 31) ? v128_zero() | 
|  | : vreinterpretq_s64_u32( | 
|  | vshlq_u32(vreinterpretq_u32_s64(a), vdupq_n_s32(-c))); | 
|  | } | 
|  |  | 
|  | SIMD_INLINE v128 v128_shr_s32(v128 a, unsigned int c) { | 
|  | return (c > 31) ? v128_ones() | 
|  | : vreinterpretq_s64_s32( | 
|  | vshlq_s32(vreinterpretq_s32_s64(a), vdupq_n_s32(-c))); | 
|  | } | 
|  |  | 
|  | SIMD_INLINE v128 v128_shl_64(v128 a, unsigned int c) { | 
|  | return (c > 63) ? v128_zero() | 
|  | : vreinterpretq_s64_u64( | 
|  | vshlq_u64(vreinterpretq_u64_s64(a), vdupq_n_s64(c))); | 
|  | } | 
|  |  | 
|  | SIMD_INLINE v128 v128_shr_u64(v128 a, unsigned int c) { | 
|  | return (c > 63) ? v128_zero() | 
|  | : vreinterpretq_s64_u64( | 
|  | vshlq_u64(vreinterpretq_u64_s64(a), vdupq_n_s64(-c))); | 
|  | } | 
|  |  | 
|  | SIMD_INLINE v128 v128_shr_s64(v128 a, unsigned int c) { | 
|  | return (c > 63) ? v128_ones() : vshlq_s64(a, vdupq_n_s64(-c)); | 
|  | } | 
|  |  | 
|  | #if defined(__OPTIMIZE__) && __OPTIMIZE__ && !defined(__clang__) | 
|  |  | 
|  | SIMD_INLINE v128 v128_shl_n_byte(v128 a, unsigned int n) { | 
|  | return n < 8 | 
|  | ? v128_from_64( | 
|  | (uint64_t)vorr_u64( | 
|  | vshl_n_u64(vreinterpret_u64_s64(vget_high_s64(a)), | 
|  | n * 8), | 
|  | vshr_n_u64(vreinterpret_u64_s64(vget_low_s64(a)), | 
|  | (8 - n) * 8)), | 
|  | (uint64_t)vshl_n_u64(vreinterpret_u64_s64(vget_low_s64(a)), | 
|  | n * 8)) | 
|  | : (n == 8 ? v128_from_64( | 
|  | (uint64_t)vreinterpret_u64_s64(vget_low_s64(a)), 0) | 
|  | : v128_from_64((uint64_t)vshl_n_u64( | 
|  | vreinterpret_u64_s64(vget_low_s64(a)), | 
|  | (n - 8) * 8), | 
|  | 0)); | 
|  | } | 
|  |  | 
|  | SIMD_INLINE v128 v128_shr_n_byte(v128 a, unsigned int n) { | 
|  | return n == 0 | 
|  | ? a | 
|  | : (n < 8 | 
|  | ? v128_from_64( | 
|  | (uint64_t)vshr_n_u64( | 
|  | vreinterpret_u64_s64(vget_high_s64(a)), n * 8), | 
|  | (uint64_t)vorr_u64( | 
|  | vshr_n_u64(vreinterpret_u64_s64(vget_low_s64(a)), | 
|  | n * 8), | 
|  | vshl_n_u64(vreinterpret_u64_s64(vget_high_s64(a)), | 
|  | (8 - n) * 8))) | 
|  | : (n == 8 ? v128_from_64(0, (uint64_t)vreinterpret_u64_s64( | 
|  | vget_high_s64(a))) | 
|  | : v128_from_64(0, (uint64_t)vshr_n_u64( | 
|  | vreinterpret_u64_s64( | 
|  | vget_high_s64(a)), | 
|  | (n - 8) * 8)))); | 
|  | } | 
|  |  | 
|  | SIMD_INLINE v128 v128_shl_n_8(v128 a, unsigned int c) { | 
|  | return c ? vreinterpretq_s64_u8(vshlq_n_u8(vreinterpretq_u8_s64(a), c)) : a; | 
|  | } | 
|  |  | 
|  | SIMD_INLINE v128 v128_shr_n_u8(v128 a, unsigned int c) { | 
|  | return c ? vreinterpretq_s64_u8(vshrq_n_u8(vreinterpretq_u8_s64(a), c)) : a; | 
|  | } | 
|  |  | 
|  | SIMD_INLINE v128 v128_shr_n_s8(v128 a, unsigned int c) { | 
|  | return c ? vreinterpretq_s64_s8(vshrq_n_s8(vreinterpretq_s8_s64(a), c)) : a; | 
|  | } | 
|  |  | 
|  | SIMD_INLINE v128 v128_shl_n_16(v128 a, unsigned int c) { | 
|  | return c ? vreinterpretq_s64_u16(vshlq_n_u16(vreinterpretq_u16_s64(a), c)) | 
|  | : a; | 
|  | } | 
|  |  | 
|  | SIMD_INLINE v128 v128_shr_n_u16(v128 a, unsigned int c) { | 
|  | return c ? vreinterpretq_s64_u16(vshrq_n_u16(vreinterpretq_u16_s64(a), c)) | 
|  | : a; | 
|  | } | 
|  |  | 
|  | SIMD_INLINE v128 v128_shr_n_s16(v128 a, unsigned int c) { | 
|  | return c ? vreinterpretq_s64_s16(vshrq_n_s16(vreinterpretq_s16_s64(a), c)) | 
|  | : a; | 
|  | } | 
|  |  | 
|  | SIMD_INLINE v128 v128_shl_n_32(v128 a, unsigned int c) { | 
|  | return c ? vreinterpretq_s64_u32(vshlq_n_u32(vreinterpretq_u32_s64(a), c)) | 
|  | : a; | 
|  | } | 
|  |  | 
|  | SIMD_INLINE v128 v128_shr_n_u32(v128 a, unsigned int c) { | 
|  | return c ? vreinterpretq_s64_u32(vshrq_n_u32(vreinterpretq_u32_s64(a), c)) | 
|  | : a; | 
|  | } | 
|  |  | 
|  | SIMD_INLINE v128 v128_shr_n_s32(v128 a, unsigned int c) { | 
|  | return c ? vreinterpretq_s64_s32(vshrq_n_s32(vreinterpretq_s32_s64(a), c)) | 
|  | : a; | 
|  | } | 
|  |  | 
|  | SIMD_INLINE v128 v128_shl_n_64(v128 a, unsigned int c) { | 
|  | return c ? vreinterpretq_s64_u64(vshlq_n_u64(vreinterpretq_u64_s64(a), c)) | 
|  | : a; | 
|  | } | 
|  |  | 
|  | SIMD_INLINE v128 v128_shr_n_u64(v128 a, unsigned int c) { | 
|  | return c ? vreinterpretq_s64_u64(vshrq_n_u64(vreinterpretq_u64_s64(a), c)) | 
|  | : a; | 
|  | } | 
|  |  | 
|  | SIMD_INLINE v128 v128_shr_n_s64(v128 a, unsigned int c) { | 
|  | return c ? vshrq_n_s64(a, c) : a; | 
|  | } | 
|  |  | 
|  | #else | 
|  |  | 
|  | SIMD_INLINE v128 v128_shl_n_byte(v128 a, unsigned int n) { | 
|  | if (n < 8) | 
|  | return v128_from_v64(v64_or(v64_shl_n_byte(v128_high_v64(a), n), | 
|  | v64_shr_n_byte(v128_low_v64(a), 8 - n)), | 
|  | v64_shl_n_byte(v128_low_v64(a), n)); | 
|  | else | 
|  | return v128_from_v64(v64_shl_n_byte(v128_low_v64(a), n - 8), v64_zero()); | 
|  | } | 
|  |  | 
|  | SIMD_INLINE v128 v128_shr_n_byte(v128 a, unsigned int n) { | 
|  | if (n < 8) | 
|  | return v128_from_v64(v64_shr_n_byte(v128_high_v64(a), n), | 
|  | v64_or(v64_shr_n_byte(v128_low_v64(a), n), | 
|  | v64_shl_n_byte(v128_high_v64(a), 8 - n))); | 
|  | else | 
|  | return v128_from_v64(v64_zero(), v64_shr_n_byte(v128_high_v64(a), n - 8)); | 
|  | } | 
|  |  | 
|  | SIMD_INLINE v128 v128_shl_n_8(v128 a, unsigned int c) { | 
|  | return v128_shl_8(a, c); | 
|  | } | 
|  |  | 
|  | SIMD_INLINE v128 v128_shr_n_u8(v128 a, unsigned int c) { | 
|  | return v128_shr_u8(a, c); | 
|  | } | 
|  |  | 
|  | SIMD_INLINE v128 v128_shr_n_s8(v128 a, unsigned int c) { | 
|  | return v128_shr_s8(a, c); | 
|  | } | 
|  |  | 
|  | SIMD_INLINE v128 v128_shl_n_16(v128 a, unsigned int c) { | 
|  | return v128_shl_16(a, c); | 
|  | } | 
|  |  | 
|  | SIMD_INLINE v128 v128_shr_n_u16(v128 a, unsigned int c) { | 
|  | return v128_shr_u16(a, c); | 
|  | } | 
|  |  | 
|  | SIMD_INLINE v128 v128_shr_n_s16(v128 a, unsigned int c) { | 
|  | return v128_shr_s16(a, c); | 
|  | } | 
|  |  | 
|  | SIMD_INLINE v128 v128_shl_n_32(v128 a, unsigned int c) { | 
|  | return v128_shl_32(a, c); | 
|  | } | 
|  |  | 
|  | SIMD_INLINE v128 v128_shr_n_u32(v128 a, unsigned int c) { | 
|  | return v128_shr_u32(a, c); | 
|  | } | 
|  |  | 
|  | SIMD_INLINE v128 v128_shr_n_s32(v128 a, unsigned int c) { | 
|  | return v128_shr_s32(a, c); | 
|  | } | 
|  |  | 
|  | SIMD_INLINE v128 v128_shl_n_64(v128 a, unsigned int c) { | 
|  | return v128_shl_64(a, c); | 
|  | } | 
|  |  | 
|  | SIMD_INLINE v128 v128_shr_n_u64(v128 a, unsigned int c) { | 
|  | return v128_shr_u64(a, c); | 
|  | } | 
|  |  | 
|  | SIMD_INLINE v128 v128_shr_n_s64(v128 a, unsigned int c) { | 
|  | return v128_shr_s64(a, c); | 
|  | } | 
|  |  | 
|  | #endif | 
|  |  | 
|  | typedef uint32x4_t sad128_internal_u16; | 
|  |  | 
|  | SIMD_INLINE sad128_internal_u16 v128_sad_u16_init(void) { | 
|  | return vdupq_n_u32(0); | 
|  | } | 
|  |  | 
|  | /* Implementation dependent return value.  Result must be finalised with | 
|  | * v128_sad_u16_sum(). */ | 
|  | SIMD_INLINE sad128_internal_u16 v128_sad_u16(sad128_internal_u16 s, v128 a, | 
|  | v128 b) { | 
|  | return vaddq_u32( | 
|  | s, vpaddlq_u16(vsubq_u16( | 
|  | vmaxq_u16(vreinterpretq_u16_s64(a), vreinterpretq_u16_s64(b)), | 
|  | vminq_u16(vreinterpretq_u16_s64(a), vreinterpretq_u16_s64(b))))); | 
|  | } | 
|  |  | 
|  | SIMD_INLINE uint32_t v128_sad_u16_sum(sad128_internal_u16 s) { | 
|  | uint64x2_t t = vpaddlq_u32(s); | 
|  | return (uint32_t)(uint64_t)vget_high_u64(t) + | 
|  | (uint32_t)(uint64_t)vget_low_u64(t); | 
|  | } | 
|  |  | 
|  | typedef v128 ssd128_internal_s16; | 
|  | SIMD_INLINE ssd128_internal_s16 v128_ssd_s16_init(void) { return v128_zero(); } | 
|  |  | 
|  | /* Implementation dependent return value.  Result must be finalised with | 
|  | * v128_ssd_s16_sum(). */ | 
|  | SIMD_INLINE ssd128_internal_s16 v128_ssd_s16(ssd128_internal_s16 s, v128 a, | 
|  | v128 b) { | 
|  | v128 d = v128_sub_16(a, b); | 
|  | d = v128_madd_s16(d, d); | 
|  | return v128_add_64( | 
|  | s, vreinterpretq_s64_u64(vpaddlq_u32(vreinterpretq_u32_s64(d)))); | 
|  | } | 
|  |  | 
|  | SIMD_INLINE uint64_t v128_ssd_s16_sum(ssd128_internal_s16 s) { | 
|  | return v64_u64(v128_low_v64(s)) + v64_u64(v128_high_v64(s)); | 
|  | } | 
|  |  | 
|  | #endif  // AOM_AOM_DSP_SIMD_V128_INTRINSICS_ARM_H_ |