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// Auto-generated file. Do not edit!
// Template: src/f16-vunary/neonfp16arith.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 <arm_neon.h>
#include <xnnpack/common.h>
#include <xnnpack/vunary.h>
void xnn_f16_vneg_ukernel__neonfp16arith_x16(
size_t batch,
const void* input,
void* output,
const union xnn_f16_neg_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_OOB_READS
{
assert(batch != 0);
assert(batch % sizeof(uint16_t) == 0);
assert(input != NULL);
assert(output != NULL);
const uint16_t* i = (const uint16_t*) input;
uint16_t* o = (uint16_t*) output;
for (; batch >= 16 * sizeof(uint16_t); batch -= 16 * sizeof(uint16_t)) {
float16x8_t vacc0 = vreinterpretq_f16_u16(vld1q_u16(i)); i += 8;
float16x8_t vacc1 = vreinterpretq_f16_u16(vld1q_u16(i)); i += 8;
vacc0 = vnegq_f16(vacc0);
vacc1 = vnegq_f16(vacc1);
vst1q_u16(o, vreinterpretq_u16_f16(vacc0)); o += 8;
vst1q_u16(o, vreinterpretq_u16_f16(vacc1)); o += 8;
}
for (; batch >= 8 * sizeof(uint16_t); batch -= 8 * sizeof(uint16_t)) {
float16x8_t vacc = vreinterpretq_f16_u16(vld1q_u16(i)); i += 8;
vacc = vnegq_f16(vacc);
vst1q_u16(o, vreinterpretq_u16_f16(vacc)); o += 8;
}
if XNN_UNLIKELY(batch != 0) {
float16x8_t vacc = vreinterpretq_f16_u16(vld1q_u16(i));
vacc = vnegq_f16(vacc);
float16x4_t vacc_lo = vget_low_f16(vacc);
if (batch & (4 * sizeof(uint16_t))) {
vst1_u16(o, vreinterpret_u16_f16(vacc_lo)); o += 4;
vacc_lo = vget_high_f16(vacc);
}
if (batch & (2 * sizeof(uint16_t))) {
vst1_lane_u32((void*) o, vreinterpret_u32_f16(vacc_lo), 0); o += 2;
vacc_lo = vext_f16(vacc_lo, vacc_lo, 2);
}
if (batch & (1 * sizeof(uint16_t))) {
vst1_lane_u16(o, vreinterpret_u16_f16(vacc_lo), 0);
}
}
}
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