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// Auto-generated file. Do not edit!
// Template: src/x32-transpose/sse2.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 <immintrin.h>
#include <assert.h>
#include <xnnpack/common.h>
#include <xnnpack/math.h>
#include <xnnpack/transpose.h>
void xnn_x64_transpose_ukernel__2x2_reuse_switch_sse2(
const uint64_t* input,
uint64_t* output,
size_t input_stride,
size_t output_stride,
size_t block_width,
size_t block_height)
{
assert(output_stride >= block_height * sizeof(uint64_t));
assert(input_stride >= block_width * sizeof(uint64_t));
const size_t tile_height = 2;
const size_t tile_width = 2;
const size_t tile_hbytes = tile_height * sizeof(uint64_t);
const size_t tile_wbytes = tile_width * sizeof(uint64_t);
const size_t input_reset = tile_wbytes - round_down_po2(block_height, tile_height) * input_stride;
const size_t output_reset = tile_width * output_stride - round_down_po2(block_height, 2) * sizeof(uint64_t);
const uint64_t* i0 = input;
uint64_t* o = (uint64_t*) output;
do {
const size_t rem = min(block_width - 1, 1);
const size_t oN_stride = rem * output_stride;
size_t bh = block_height;
for (; bh >= 2; bh -= 2) {
const __m128i v1_0 = _mm_loadu_si128((const __m128i*) i0);
i0 = (uint64_t*) ((uintptr_t) i0 + input_stride);
const __m128i v1_1 = _mm_loadu_si128((const __m128i*) i0);
i0 = (uint64_t*) ((uintptr_t) i0 + input_stride);
const __m128i v0_0 = _mm_unpacklo_epi64(v1_0, v1_1);
const __m128i v0_1 = _mm_unpackhi_epi64(v1_0, v1_1);
uint64_t* oN = (uint64_t*) ((uintptr_t) o + oN_stride);
switch (rem) {
case 1:
_mm_storeu_si128((__m128i*) oN, v0_1);
case 0:
_mm_storeu_si128((__m128i*) o, v0_0);
o = (uint64_t*) ((uintptr_t) o + tile_hbytes);
break;
default:
XNN_UNREACHABLE;
}
}
if (bh != 0) {
const __m128i v1_0 = _mm_loadu_si128((const __m128i*) i0);
const __m128i v1_1 = _mm_undefined_si128();
__m128i v0_0 = _mm_unpacklo_epi64(v1_0, v1_1);
__m128i v0_1 = _mm_unpackhi_epi64(v1_0, v1_1);
if (bh & 1) {
uint64_t* oN = (uint64_t*) ((uintptr_t) o + oN_stride);
switch (rem) {
case 1:
_mm_storel_epi64((__m128i*) oN, v0_1);
case 0:
_mm_storel_epi64((__m128i*) o, v0_0);
break;
default:
XNN_UNREACHABLE;
}
}
}
i0 = (const uint64_t*) ((uintptr_t) i0 + input_reset);
o = (uint64_t*) ((uintptr_t) o + output_reset);
block_width = doz(block_width, tile_width);
} while (block_width != 0);
}