// Auto-generated file. Do not edit!
//   Template: src/f32-spmm/hvx-pipelined.c.in
//   Generator: tools/xngen
//
// Copyright 2024 Google LLC
//
// This source code is licensed under the BSD-style license found in the
// LICENSE file in the root directory of this source tree.

#include <assert.h>

#include <hvx_hexagon_protos.h>
#include <hexagon_protos.h>
#include <hexagon_types.h>

#include "xnnpack/simd/f32-hvx.h"

#include "xnnpack/prefetch.h"
#include "xnnpack/spmm.h"

void xnn_f32_spmm_minmax_ukernel_32x1__hvx_pipelined_x4(
    size_t mc,
    size_t nc,
    const float* input,
    const float* weights,
    const int32_t* widx_dmap,
    const uint32_t* nidx_nnzmap,
    float* output,
    size_t output_stride,
    const union xnn_f32_minmax_params params[restrict XNN_MIN_ELEMENTS(1)])
{
  assert(mc != 0);
  assert(mc % sizeof(float) == 0);
  assert(nc != 0);

  const HVX_Vector vmin = xnn_set1_f32(params->scalar.min);
  const HVX_Vector vmax = xnn_set1_f32(params->scalar.max);

  size_t output_decrement = output_stride * nc - 32 * sizeof(float);
  while XNN_LIKELY(mc >= 32 * sizeof(float)) {
    const float* w = weights;
    const int32_t* dmap = widx_dmap;
    const uint32_t* nnzmap = nidx_nnzmap;
    HVX_Vector vw = xnn_set1_f32(*w); w += 1;

    intptr_t diff = *dmap++;

    HVX_Vector vi0 = xnn_loadu_f32(input);

    size_t n = nc;

    do {
      uint32_t nnz = *nnzmap++;
      HVX_Vector vacc0 = vw;
      vw = xnn_set1_f32(*w); w += 1;

      for(; nnz >= 4; nnz -= 4) {
        vacc0 = xnn_fmadd_f32(vi0, vw, vacc0);
        input = (const float*) ((uintptr_t) input + (uintptr_t) diff);

        diff = *dmap++;

        vw = xnn_set1_f32(*w); w += 1;

        vi0 = xnn_loadu_f32(input + 0);
        vacc0 = xnn_fmadd_f32(vi0, vw, vacc0);
        input = (const float*) ((uintptr_t) input + (uintptr_t) diff);

        diff = *dmap++;

        vw = xnn_set1_f32(*w); w += 1;

        vi0 = xnn_loadu_f32(input + 0);
        vacc0 = xnn_fmadd_f32(vi0, vw, vacc0);
        input = (const float*) ((uintptr_t) input + (uintptr_t) diff);

        diff = *dmap++;

        vw = xnn_set1_f32(*w); w += 1;

        vi0 = xnn_loadu_f32(input + 0);
        vacc0 = xnn_fmadd_f32(vi0, vw, vacc0);
        input = (const float*) ((uintptr_t) input + (uintptr_t) diff);

        diff = *dmap++;

        vw = xnn_set1_f32(*w); w += 1;

        vi0 = xnn_loadu_f32(input + 0);
      }
      if XNN_LIKELY(nnz != 0) {
        do {
          vacc0 = xnn_fmadd_f32(vi0, vw, vacc0);
          input = (const float*) ((uintptr_t) input + (uintptr_t) diff);

          diff = *dmap++;

          vw = xnn_set1_f32(*w); w += 1;

          vi0 = xnn_loadu_f32(input);
        } while (--nnz != 0);
      }
      HVX_Vector vout0 = xnn_min_f32(vacc0, vmax);

      vout0 = xnn_max_f32(vout0, vmin);

      xnn_storeu_f32(output, vout0);
      output = (float*) ((uintptr_t) output + output_stride);
    } while (--n != 0);
    output = (float*) ((uintptr_t) output - output_decrement);
    input += 32;
    mc -= 32 * sizeof(float);
  }
  if XNN_UNLIKELY(mc != 0) {
    output_decrement += 16 * sizeof(float);
    if (mc & (16 * sizeof(float))) {
      const float* w = weights;
      const int32_t* dmap = widx_dmap;
      const uint32_t* nnzmap = nidx_nnzmap;
      size_t n = nc;
      do {
        uint32_t nnz = *nnzmap++;
        HVX_Vector vacc0 = xnn_set1_f32(*w); w += 1;
        if XNN_LIKELY(nnz != 0) {
          do {
            const intptr_t diff = *dmap++;

            const HVX_Vector vi0 = xnn_loadu_f32(input);
            input = (const float*) ((uintptr_t) input + (uintptr_t) diff);

            const HVX_Vector vw = xnn_set1_f32(*w); w += 1;

            vacc0 = xnn_fmadd_f32(vi0, vw, vacc0);
          } while (--nnz != 0);
        }
        HVX_Vector vout0 = xnn_min_f32(vacc0, vmax);
        vout0 = xnn_max_f32(vout0, vmin);

        xnn_store_tail_f32(output, vout0, 16);
        output = (float*) ((uintptr_t) output + output_stride);
      } while (--n != 0);
      output = (float*) ((uintptr_t) output - output_decrement);
      input += 16;
    }
    output_decrement += 8 * sizeof(float);
    if (mc & (8 * sizeof(float))) {
      const float* w = weights;
      const int32_t* dmap = widx_dmap;
      const uint32_t* nnzmap = nidx_nnzmap;
      size_t n = nc;
      do {
        uint32_t nnz = *nnzmap++;
        HVX_Vector vacc0 = xnn_set1_f32(*w); w += 1;
        if XNN_LIKELY(nnz != 0) {
          do {
            const intptr_t diff = *dmap++;

            const HVX_Vector vi0 = xnn_loadu_f32(input);
            input = (const float*) ((uintptr_t) input + (uintptr_t) diff);

            const HVX_Vector vw = xnn_set1_f32(*w); w += 1;

            vacc0 = xnn_fmadd_f32(vi0, vw, vacc0);
          } while (--nnz != 0);
        }
        HVX_Vector vout0 = xnn_min_f32(vacc0, vmax);
        vout0 = xnn_max_f32(vout0, vmin);

        xnn_store_tail_f32(output, vout0, 8);
        output = (float*) ((uintptr_t) output + output_stride);
      } while (--n != 0);
      output = (float*) ((uintptr_t) output - output_decrement);
      input += 8;
    }
    output_decrement += 4 * sizeof(float);
    if (mc & (4 * sizeof(float))) {
      const float* w = weights;
      const int32_t* dmap = widx_dmap;
      const uint32_t* nnzmap = nidx_nnzmap;
      size_t n = nc;
      do {
        uint32_t nnz = *nnzmap++;
        HVX_Vector vacc0 = xnn_set1_f32(*w); w += 1;
        if XNN_LIKELY(nnz != 0) {
          do {
            const intptr_t diff = *dmap++;

            const HVX_Vector vi0 = xnn_loadu_f32(input);
            input = (const float*) ((uintptr_t) input + (uintptr_t) diff);

            const HVX_Vector vw = xnn_set1_f32(*w); w += 1;

            vacc0 = xnn_fmadd_f32(vi0, vw, vacc0);
          } while (--nnz != 0);
        }
        HVX_Vector vout0 = xnn_min_f32(vacc0, vmax);
        vout0 = xnn_max_f32(vout0, vmin);

        xnn_store_tail_f32(output, vout0, 4);
        output = (float*) ((uintptr_t) output + output_stride);
      } while (--n != 0);
      output = (float*) ((uintptr_t) output - output_decrement);
      input += 4;
    }
    output_decrement += 2 * sizeof(float);
    if (mc & (2 * sizeof(float))) {
      const float* w = weights;
      const int32_t* dmap = widx_dmap;
      const uint32_t* nnzmap = nidx_nnzmap;
      size_t n = nc;
      do {
        uint32_t nnz = *nnzmap++;
        HVX_Vector vacc0 = xnn_set1_f32(*w); w += 1;
        if XNN_LIKELY(nnz != 0) {
          do {
            const intptr_t diff = *dmap++;

            const HVX_Vector vi0 = xnn_loadu_f32(input);
            input = (const float*) ((uintptr_t) input + (uintptr_t) diff);

            const HVX_Vector vw = xnn_set1_f32(*w); w += 1;

            vacc0 = xnn_fmadd_f32(vi0, vw, vacc0);
          } while (--nnz != 0);
        }
        HVX_Vector vout0 = xnn_min_f32(vacc0, vmax);
        vout0 = xnn_max_f32(vout0, vmin);

        xnn_store_tail_f32(output, vout0, 2);
        output = (float*) ((uintptr_t) output + output_stride);
      } while (--n != 0);
      output = (float*) ((uintptr_t) output - output_decrement);
      input += 2;
    }
    if (mc & (1 * sizeof(float))) {
      const float* w = weights;
      const int32_t* dmap = widx_dmap;
      const uint32_t* nnzmap = nidx_nnzmap;
      size_t n = nc;
      do {
        uint32_t nnz = *nnzmap++;
        HVX_Vector vacc0 = xnn_set1_f32(*w); w += 1;
        if XNN_LIKELY(nnz != 0) {
          do {
            const intptr_t diff = *dmap++;

            const HVX_Vector vi0 = xnn_loadu_f32(input);
            input = (const float*) ((uintptr_t) input + (uintptr_t) diff);

            const HVX_Vector vw = xnn_set1_f32(*w); w += 1;

            vacc0 = xnn_fmadd_f32(vi0, vw, vacc0);
          } while (--nnz != 0);
        }
        HVX_Vector vout0 = xnn_min_f32(vacc0, vmax);
        vout0 = xnn_max_f32(vout0, vmin);

        xnn_store_tail_f32(output, vout0, 1);
        output = (float*) ((uintptr_t) output + output_stride);
      } while (--n != 0);
    }
  }
}
