/* SPDX-License-Identifier: MIT
 *
 * Permission is hereby granted, free of charge, to any person
 * obtaining a copy of this software and associated documentation
 * files (the "Software"), to deal in the Software without
 * restriction, including without limitation the rights to use, copy,
 * modify, merge, publish, distribute, sublicense, and/or sell copies
 * of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be
 * included in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 *
 * Copyright:
 *   2023      Yi-Yen Chung <eric681@andestech.com> (Copyright owned by Andes Technology)
 */

#if !defined(SIMDE_ARM_NEON_USDOT_H)
#define SIMDE_ARM_NEON_USDOT_H

#include "types.h"

#include "add.h"

HEDLEY_DIAGNOSTIC_PUSH
SIMDE_DISABLE_UNWANTED_DIAGNOSTICS
SIMDE_BEGIN_DECLS_

SIMDE_FUNCTION_ATTRIBUTES
simde_int32x2_t
simde_vusdot_s32(simde_int32x2_t r, simde_uint8x8_t a, simde_int8x8_t b) {
  #if defined(SIMDE_ARM_NEON_A32V8_NATIVE) && defined(__ARM_FEATURE_MATMUL_INT8)
    return vusdot_s32(r, a, b);
  #else
    simde_int32x2_private r_;
    simde_uint8x8_private a_ = simde_uint8x8_to_private(a);
    simde_int8x8_private b_ = simde_int8x8_to_private(b);
    for (int i = 0 ; i < 2 ; i++) {
      int32_t acc = 0;
      SIMDE_VECTORIZE_REDUCTION(+:acc)
      for (int j = 0 ; j < 4 ; j++) {
        const int idx = j + (i << 2);
        acc += HEDLEY_STATIC_CAST(int32_t, a_.values[idx]) * HEDLEY_STATIC_CAST(int32_t, b_.values[idx]);
      }
      r_.values[i] = acc;
    }
    return simde_vadd_s32(r, simde_int32x2_from_private(r_));
  #endif
}
#if defined(SIMDE_ARM_NEON_A32V8_ENABLE_NATIVE_ALIASES)
  #undef vusdot_s32
  #define vusdot_s32(r, a, b) simde_vusdot_s32((r), (a), (b))
#endif

SIMDE_FUNCTION_ATTRIBUTES
simde_int32x4_t
simde_vusdotq_s32(simde_int32x4_t r, simde_uint8x16_t a, simde_int8x16_t b) {
  #if defined(SIMDE_ARM_NEON_A32V8_NATIVE) && defined(__ARM_FEATURE_MATMUL_INT8)
    return vusdotq_s32(r, a, b);
  #else
    simde_int32x4_private r_;
    simde_uint8x16_private a_ = simde_uint8x16_to_private(a);
    simde_int8x16_private b_ = simde_int8x16_to_private(b);
    for (int i = 0 ; i < 4 ; i++) {
      int32_t acc = 0;
      SIMDE_VECTORIZE_REDUCTION(+:acc)
      for (int j = 0 ; j < 4 ; j++) {
        const int idx = j + (i << 2);
        acc += HEDLEY_STATIC_CAST(int32_t, a_.values[idx]) * HEDLEY_STATIC_CAST(int32_t, b_.values[idx]);
      }
      r_.values[i] = acc;
    }
    return simde_vaddq_s32(r, simde_int32x4_from_private(r_));
  #endif
}
#if defined(SIMDE_ARM_NEON_A32V8_ENABLE_NATIVE_ALIASES)
  #undef vusdotq_s32
  #define vusdotq_s32(r, a, b) simde_vusdotq_s32((r), (a), (b))
#endif

SIMDE_END_DECLS_
HEDLEY_DIAGNOSTIC_POP

#endif /* !defined(SIMDE_ARM_NEON_USDOT_H) */
