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// 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 <string.h>
#include <arm_fp16.h>
#include <xnnpack/common.h>
#include <xnnpack/intrinsics-polyfill.h>
#include <xnnpack/math.h>
#include <xnnpack/vbinary.h>
void xnn_f16_vdiv_minmax_ukernel__fp16arith_x2(
size_t batch,
const void* restrict input_a,
const void* restrict input_b,
void* restrict output,
const union xnn_f16_minmax_params params[restrict XNN_MIN_ELEMENTS(1)])
{
assert(batch != 0);
assert(batch % sizeof(float16_t) == 0);
assert(input_a != NULL);
assert(input_b != NULL);
assert(output != NULL);
const float16_t* a = (const float16_t*) input_a;
const float16_t* b = (const float16_t*) input_b;
float16_t* o = (float16_t*) output;
float16_t vy_min, vy_max;
memcpy(&vy_min, ¶ms->fp16arith.min, sizeof(vy_min));
memcpy(&vy_max, ¶ms->fp16arith.max, sizeof(vy_max));
for (; batch >= 2 * sizeof(float16_t); batch -= 2 * sizeof(float16_t)) {
const float16_t va0 = *a++;
const float16_t va1 = *a++;
const float16_t vb0 = *b++;
const float16_t vb1 = *b++;
float16_t vacc0 = vdivh_f16(va0, vb0);
float16_t vacc1 = vdivh_f16(va1, vb1);
vacc0 = vmaxnmh_f16(vacc0, vy_min);
vacc1 = vmaxnmh_f16(vacc1, vy_min);
vacc0 = vminnmh_f16(vacc0, vy_max);
vacc1 = vminnmh_f16(vacc1, vy_max);
*o++ = vacc0;
*o++ = vacc1;
}
if XNN_UNLIKELY(batch != 0) {
const float16_t va = *a;
const float16_t vb = *b;
float16_t vacc = vdivh_f16(va, vb);
vacc = vmaxnmh_f16(vacc, vy_min);
vacc = vminnmh_f16(vacc, vy_max);
*o = vacc;
}
}
void xnn_f16_vdivc_minmax_ukernel__fp16arith_x2(
size_t batch,
const void* restrict input_a,
const void* restrict input_b,
void* restrict output,
const union xnn_f16_minmax_params params[restrict XNN_MIN_ELEMENTS(1)])
{
assert(batch != 0);
assert(batch % sizeof(float16_t) == 0);
assert(input_a != NULL);
assert(input_b != NULL);
assert(output != NULL);
const float16_t* a = (const float16_t*) input_a;
const float16_t* b = (const float16_t*) input_b;
float16_t* o = (float16_t*) output;
float16_t vy_min, vy_max;
memcpy(&vy_min, ¶ms->fp16arith.min, sizeof(vy_min));
memcpy(&vy_max, ¶ms->fp16arith.max, sizeof(vy_max));
const float16_t vb = *b;
for (; batch >= 2 * sizeof(float16_t); batch -= 2 * sizeof(float16_t)) {
float16_t vacc0 = a[0];
float16_t vacc1 = a[1];
a += 2;
vacc0 = vdivh_f16(vacc0, vb);
vacc1 = vdivh_f16(vacc1, vb);
vacc0 = vmaxnmh_f16(vacc0, vy_min);
vacc1 = vmaxnmh_f16(vacc1, vy_min);
vacc0 = vminnmh_f16(vacc0, vy_max);
vacc1 = vminnmh_f16(vacc1, vy_max);
o[0] = vacc0;
o[1] = vacc1;
o += 2;
}
if XNN_UNLIKELY(batch != 0) {
float16_t vacc = *a;
vacc = vdivh_f16(vacc, vb);
vacc = vmaxnmh_f16(vacc, vy_min);
vacc = vminnmh_f16(vacc, vy_max);
*o = vacc;
}
}
void xnn_f16_vrdivc_minmax_ukernel__fp16arith_x2(
size_t batch,
const void* restrict input_a,
const void* restrict input_b,
void* restrict output,
const union xnn_f16_minmax_params params[restrict XNN_MIN_ELEMENTS(1)])
{
assert(batch != 0);
assert(batch % sizeof(float16_t) == 0);
assert(input_a != NULL);
assert(input_b != NULL);
assert(output != NULL);
const float16_t* a = (const float16_t*) input_a;
const float16_t* b = (const float16_t*) input_b;
float16_t* o = (float16_t*) output;
float16_t vy_min, vy_max;
memcpy(&vy_min, ¶ms->fp16arith.min, sizeof(vy_min));
memcpy(&vy_max, ¶ms->fp16arith.max, sizeof(vy_max));
const float16_t vb = *b;
for (; batch >= 2 * sizeof(float16_t); batch -= 2 * sizeof(float16_t)) {
float16_t vacc0 = a[0];
float16_t vacc1 = a[1];
a += 2;
vacc0 = vdivh_f16(vb, vacc0);
vacc1 = vdivh_f16(vb, vacc1);
vacc0 = vmaxnmh_f16(vacc0, vy_min);
vacc1 = vmaxnmh_f16(vacc1, vy_min);
vacc0 = vminnmh_f16(vacc0, vy_max);
vacc1 = vminnmh_f16(vacc1, vy_max);
o[0] = vacc0;
o[1] = vacc1;
o += 2;
}
if XNN_UNLIKELY(batch != 0) {
float16_t vacc = *a;
vacc = vdivh_f16(vb, vacc);
vacc = vmaxnmh_f16(vacc, vy_min);
vacc = vminnmh_f16(vacc, vy_max);
*o = vacc;
}
}
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