33 lines
686 B
C
33 lines
686 B
C
// 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 <stddef.h>
|
|
#include <stdint.h>
|
|
|
|
#include <immintrin.h>
|
|
|
|
#include <xnnpack/math-stubs.h>
|
|
|
|
|
|
void xnn_math_f32_f16_cvt__f16c(
|
|
size_t n,
|
|
const float* input,
|
|
void* output)
|
|
{
|
|
assert(n % (8 * sizeof(uint16_t)) == 0);
|
|
|
|
uint16_t* o = (uint16_t*) output;
|
|
for (; n != 0; n -= 8 * sizeof(uint16_t)) {
|
|
const __m256 vx = _mm256_loadu_ps(input);
|
|
input += 8;
|
|
|
|
const __m128i vy = _mm256_cvtps_ph(vx, _MM_FROUND_NO_EXC);
|
|
|
|
_mm_storeu_si128((__m128i*) o, vy);
|
|
o += 8;
|
|
}
|
|
}
|