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// Auto-generated file. Do not edit!
// Template: src/cs16-vsquareabs/neon.c.in
// Generator: tools/xngen
//
// Copyright 2022 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 <stddef.h>
#include <stdint.h>
#include <arm_neon.h>
#include <xnnpack/vsquareabs.h>
void xnn_cs16_vsquareabs_ukernel__neon_mlal_ld128_x4(
size_t batch,
const int16_t* input,
uint32_t* output) XNN_OOB_READS
{
assert(batch != 0);
assert(batch % (sizeof(int16_t) * 2) == 0);
assert(input != NULL);
assert(output != NULL);
for (; batch >= 8 * sizeof(int16_t); batch -= 8 * sizeof(int16_t)) {
const int16x4x2_t vi = vld2_s16(input); input += 8;
int32x4_t vacc = vmull_s16(vi.val[0], vi.val[0]);
vacc = vmlal_s16(vacc, vi.val[1], vi.val[1]);
vst1q_u32(output, vreinterpretq_u32_s32(vacc)); output += 4;
}
if XNN_LIKELY(batch != 0) {
const int16x4x2_t vi = vld2_s16(input);
int32x4_t vacc = vmull_s16(vi.val[0], vi.val[0]);
vacc = vmlal_s16(vacc, vi.val[1], vi.val[1]);
uint32x2_t vacc_lo = vreinterpret_u32_s32(vget_low_s32(vacc));
if (batch & (4 * sizeof(int16_t))) {
vst1_u32(output, vacc_lo); output += 2;
vacc_lo = vreinterpret_u32_s32(vget_high_s32(vacc));
}
if (batch & (2 * sizeof(int16_t))) {
vst1_lane_u32(output, vacc_lo, 0);
}
}
}
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