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// 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.
$assert BATCH_TILE >= 1
#include <assert.h>
#include <stddef.h>
#include <stdint.h>
#include <xnnpack/math.h>
#include <xnnpack/vlshift.h>
void xnn_s16_vlshift_ukernel__scalar_x${BATCH_TILE}(
size_t batch,
const int16_t* input,
uint32_t shift,
int16_t* output) {
assert(batch != 0);
assert(input != NULL);
assert(shift < 16);
assert(output != NULL);
$if BATCH_TILE > 1:
for (; batch >= ${BATCH_TILE}; batch -= ${BATCH_TILE}) {
$for C in range(BATCH_TILE):
const uint16_t vi${C} = (uint16_t) input[${C}];
input += ${BATCH_TILE};
$for C in range(BATCH_TILE):
const uint16_t vout${C} = vi${C} << shift;
$for C in range(BATCH_TILE):
output[${C}] = (int16_t) vout${C};
output += ${BATCH_TILE};
}
if XNN_UNLIKELY(batch != 0) {
do {
const uint16_t vi = (uint16_t) *input++;
const uint16_t vout = vi << shift;
*output++ = (int16_t) vout;
} while (--batch != 0);
}
}
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