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// Auto-generated file. Do not edit!
// Template: src/f16-f32-vcvt/neonfp16.c.in
// Generator: tools/xngen
//
// Copyright 2021 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/vcvt.h>
void xnn_f16_f32_vcvt_ukernel__neonfp16_x16(
size_t batch,
const void* input,
float* output,
const union xnn_f16_f32_cvt_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;
for (; batch >= 16 * sizeof(uint16_t); batch -= 16 * sizeof(uint16_t)) {
const float16x8_t vh0 = vreinterpretq_f16_u16(vld1q_u16(i)); i += 8;
const float16x8_t vh1 = vreinterpretq_f16_u16(vld1q_u16(i)); i += 8;
const float32x4_t vf0 = vcvt_f32_f16(vget_low_f16(vh0));
const float32x4_t vf1 = vcvt_f32_f16(vget_high_f16(vh0));
const float32x4_t vf2 = vcvt_f32_f16(vget_low_f16(vh1));
const float32x4_t vf3 = vcvt_f32_f16(vget_high_f16(vh1));
vst1q_f32(output, vf0); output += 4;
vst1q_f32(output, vf1); output += 4;
vst1q_f32(output, vf2); output += 4;
vst1q_f32(output, vf3); output += 4;
}
for (; batch >= 8 * sizeof(uint16_t); batch -= 8 * sizeof(uint16_t)) {
const float16x8_t vh = vreinterpretq_f16_u16(vld1q_u16(i)); i += 8;
const float32x4_t vf_lo = vcvt_f32_f16(vget_low_f16(vh));
const float32x4_t vf_hi = vcvt_f32_f16(vget_high_f16(vh));
vst1q_f32(output, vf_lo); output += 4;
vst1q_f32(output, vf_hi); output += 4;
}
if XNN_UNLIKELY(batch != 0) {
assert(batch >= 1 * sizeof(uint16_t));
assert(batch <= 7 * sizeof(uint16_t));
const float16x8_t vh = vreinterpretq_f16_u16(vld1q_u16(i)); i += 8;
float32x4_t vf = vcvt_f32_f16(vget_low_f16(vh));
if (batch & (4 * sizeof(uint16_t))) {
vst1q_f32(output, vf); output += 4;
vf = vcvt_f32_f16(vget_high_f16(vh));
}
float32x2_t vf_lo = vget_low_f32(vf);
if (batch & (2 * sizeof(uint16_t))) {
vst1_f32(output, vf_lo); output += 2;
vf_lo = vget_high_f32(vf);
}
if (batch & (1 * sizeof(uint16_t))) {
vst1_lane_f32(output, vf_lo, 0);
}
}
}
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