libyuv/source/rotate_gcc.cc
Frank Barchard 16af162cf9 [libyuv] Optimize RotatePlane_16 SIMD and compact 32-bit transposes
Implement SIMD 16-bit plane rotation (TransposePlane_16,
RotatePlane90_16, RotatePlane180_16, RotatePlane270_16) used by
I010Rotate, I210Rotate, and I410Rotate, keeping tile sizes compact
with full-register writes and zero cross-lane shuffles:
- AVX2: 8x16 tile in ymm0..ymm15 with _Any tail (low-end x86 SIMD)
- AVX-512BW: 8x32 tile in zmm0..zmm15 with k1/k2 right/bottom masks
- NEON (ARM64/ARM32): 8x16 tile in v0..v23 / q0..q11 with _Any tail
- SME: 8xVL tile using ZA16 horizontal/vertical array slices
- RVV: 8xVL tile using widening unpacks with hardware vl tail
- WASM SIMD: 8x8 tile in v128 with _Any tail

Also update 32-bit ARGBRotate x86 transposes to compact vertical
in-lane tiles with full-register writes and zero cross-lane shuffles:
- TransposeWxH_32_AVX2: 4x8 tile in ymm0..ymm7 with vpmaskmovd tails
- TransposeWxH_32_AVX512BW: 4x16 tile in zmm0..zmm7 with k1/k2 tails

Add RotatePlane16_SplitMergeUV_Opt and RotatePlane16_SplitMergeUV_Odd
unit tests comparing 16-bit rotation against SplitUVPlane +
RotatePlane + MergeUVPlane across 0/90/180/270 degrees.

Performance on 1275x1650 (1000 iterations, before -> after):
CPU                     90 degree               180 degree
Coral RVV (Verilator)   7306 -> 1415c (5.16x)   2274 -> 719c (3.16x)
AMD Rome (Zen 2)        821 -> 215ms (3.82x)    259 -> 181ms (1.44x)
AMD Genoa (Zen 4)       483 -> 129ms (3.73x)    149 -> 111ms (1.34x)
AMD Turin (Zen 5)       321 -> 101ms (3.18x)    109 -> 78ms (1.40x)
AMD Milan (Zen 3)       505 -> 189ms (2.67x)    199 -> 118ms (1.69x)
Intel Skylake-X         1076 -> 447ms (2.41x)   353 -> 317ms (1.11x)
WASM SIMD (d8)          415 -> 203ms (2.04x)    370 -> 106ms (3.49x)
Intel Emerald Rapids    735 -> 422ms (1.74x)    238 -> 233ms (1.02x)
Intel Haswell           1120 -> 648ms (1.73x)   438 -> 393ms (1.11x)
Intel Ice Lake          774 -> 474ms (1.63x)    279 -> 290ms (0.96x)
ARM Neoverse-N1         864 -> 544ms (1.59x)    404 -> 266ms (1.52x)
Ampere Siryn            862 -> 576ms (1.50x)    568 -> 329ms (1.72x)
Google Axion (Maple)    554 -> 379ms (1.46x)    199 -> 142ms (1.41x)
Intel Sapphire Rapids   1126 -> 772ms (1.46x)   301 -> 288ms (1.04x)
Intel Granite Rapids    730 -> 565ms (1.29x)    280 -> 280ms (1.00x)
NVIDIA Grace            462 -> 365ms (1.26x)    192 -> 126ms (1.52x)
ARM Cortex-A53          28290 -> 24386ms (1.16x) 7178 -> 5075ms (1.41x)
Google Axion 2 (Tamar)  523 -> 453ms (1.15x)    217 -> 112ms (1.93x)

Test: libyuv_unittest --gtest_filter=*Rotate*
Bug: b/42280942
Change-Id: I91ba6cac22185b5d294fcb98344fdb8a23cc94ff
Reviewed-on: https://chromium-review.googlesource.com/c/libyuv/libyuv/+/8545294
Reviewed-by: richard winterton <rrwinterton@gmail.com>
Commit-Queue: Frank Barchard <fbarchard@google.com>
2026-10-12 10:57:34 -07:00

1328 lines
64 KiB
C++

/*
* Copyright 2015 The LibYuv Project Authors. All rights reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#include "libyuv/rotate_row.h"
#include "libyuv/row.h"
#ifdef __cplusplus
namespace libyuv {
extern "C" {
#endif
// Note: every register written by an inline asm block (vector, general
// purpose, mask/predicate, "cc" for flags and "memory" for stores) must be
// listed in its clobber list, even when the ABI treats it as caller-saved.
// With LTO/LTCG the compiler may keep values live in any register across the
// asm statement, and other OS ABIs (e.g. Windows) differ in which registers
// are callee-saved. List "memory" first, then "cc", then registers.
// This module is for GCC and clang x64. 32 bit x86 uses rotate_win.cc.
#if !defined(LIBYUV_DISABLE_X86) && defined(__x86_64__) && \
!defined(LIBYUV_ENABLE_ROWWIN)
#if defined(HAS_TRANSPOSEWX8_SSSE3)
// Transpose 16x8. 64 bit.
void TransposeWx8_SSSE3(const uint8_t* src,
int src_stride,
uint8_t* dst,
int dst_stride,
int width) {
asm volatile(
// Read in the data from the source pointer.
// First round of bit swap.
LABELALIGN
"1: \n"
"movdqu (%0),%%xmm0 \n"
"movdqu (%0,%3),%%xmm1 \n"
"lea (%0,%3,2),%0 \n"
"movdqa %%xmm0,%%xmm8 \n"
"punpcklbw %%xmm1,%%xmm0 \n"
"punpckhbw %%xmm1,%%xmm8 \n"
"movdqu (%0),%%xmm2 \n"
"movdqa %%xmm0,%%xmm1 \n"
"movdqa %%xmm8,%%xmm9 \n"
"palignr $0x8,%%xmm1,%%xmm1 \n"
"palignr $0x8,%%xmm9,%%xmm9 \n"
"movdqu (%0,%3),%%xmm3 \n"
"lea (%0,%3,2),%0 \n"
"movdqa %%xmm2,%%xmm10 \n"
"punpcklbw %%xmm3,%%xmm2 \n"
"punpckhbw %%xmm3,%%xmm10 \n"
"movdqa %%xmm2,%%xmm3 \n"
"movdqa %%xmm10,%%xmm11 \n"
"movdqu (%0),%%xmm4 \n"
"palignr $0x8,%%xmm3,%%xmm3 \n"
"palignr $0x8,%%xmm11,%%xmm11 \n"
"movdqu (%0,%3),%%xmm5 \n"
"lea (%0,%3,2),%0 \n"
"movdqa %%xmm4,%%xmm12 \n"
"punpcklbw %%xmm5,%%xmm4 \n"
"punpckhbw %%xmm5,%%xmm12 \n"
"movdqa %%xmm4,%%xmm5 \n"
"movdqa %%xmm12,%%xmm13 \n"
"movdqu (%0),%%xmm6 \n"
"palignr $0x8,%%xmm5,%%xmm5 \n"
"palignr $0x8,%%xmm13,%%xmm13 \n"
"movdqu (%0,%3),%%xmm7 \n"
"lea (%0,%3,2),%0 \n"
"movdqa %%xmm6,%%xmm14 \n"
"punpcklbw %%xmm7,%%xmm6 \n"
"punpckhbw %%xmm7,%%xmm14 \n"
"neg %3 \n"
"movdqa %%xmm6,%%xmm7 \n"
"movdqa %%xmm14,%%xmm15 \n"
"lea 0x10(%0,%3,8),%0 \n"
"palignr $0x8,%%xmm7,%%xmm7 \n"
"palignr $0x8,%%xmm15,%%xmm15 \n"
"neg %3 \n"
// Second round of bit swap.
"punpcklwd %%xmm2,%%xmm0 \n"
"punpcklwd %%xmm3,%%xmm1 \n"
"movdqa %%xmm0,%%xmm2 \n"
"movdqa %%xmm1,%%xmm3 \n"
"palignr $0x8,%%xmm2,%%xmm2 \n"
"palignr $0x8,%%xmm3,%%xmm3 \n"
"punpcklwd %%xmm6,%%xmm4 \n"
"punpcklwd %%xmm7,%%xmm5 \n"
"movdqa %%xmm4,%%xmm6 \n"
"movdqa %%xmm5,%%xmm7 \n"
"palignr $0x8,%%xmm6,%%xmm6 \n"
"palignr $0x8,%%xmm7,%%xmm7 \n"
"punpcklwd %%xmm10,%%xmm8 \n"
"punpcklwd %%xmm11,%%xmm9 \n"
"movdqa %%xmm8,%%xmm10 \n"
"movdqa %%xmm9,%%xmm11 \n"
"palignr $0x8,%%xmm10,%%xmm10 \n"
"palignr $0x8,%%xmm11,%%xmm11 \n"
"punpcklwd %%xmm14,%%xmm12 \n"
"punpcklwd %%xmm15,%%xmm13 \n"
"movdqa %%xmm12,%%xmm14 \n"
"movdqa %%xmm13,%%xmm15 \n"
"palignr $0x8,%%xmm14,%%xmm14 \n"
"palignr $0x8,%%xmm15,%%xmm15 \n"
// Third round of bit swap.
// Write to the destination pointer.
"punpckldq %%xmm4,%%xmm0 \n"
"movq %%xmm0,(%1) \n"
"movdqa %%xmm0,%%xmm4 \n"
"palignr $0x8,%%xmm4,%%xmm4 \n"
"movq %%xmm4,(%1,%4) \n"
"lea (%1,%4,2),%1 \n"
"punpckldq %%xmm6,%%xmm2 \n"
"movdqa %%xmm2,%%xmm6 \n"
"movq %%xmm2,(%1) \n"
"palignr $0x8,%%xmm6,%%xmm6 \n"
"punpckldq %%xmm5,%%xmm1 \n"
"movq %%xmm6,(%1,%4) \n"
"lea (%1,%4,2),%1 \n"
"movdqa %%xmm1,%%xmm5 \n"
"movq %%xmm1,(%1) \n"
"palignr $0x8,%%xmm5,%%xmm5 \n"
"movq %%xmm5,(%1,%4) \n"
"lea (%1,%4,2),%1 \n"
"punpckldq %%xmm7,%%xmm3 \n"
"movq %%xmm3,(%1) \n"
"movdqa %%xmm3,%%xmm7 \n"
"palignr $0x8,%%xmm7,%%xmm7 \n"
"movq %%xmm7,(%1,%4) \n"
"lea (%1,%4,2),%1 \n"
"punpckldq %%xmm12,%%xmm8 \n"
"movq %%xmm8,(%1) \n"
"movdqa %%xmm8,%%xmm12 \n"
"palignr $0x8,%%xmm12,%%xmm12 \n"
"movq %%xmm12,(%1,%4) \n"
"lea (%1,%4,2),%1 \n"
"punpckldq %%xmm14,%%xmm10 \n"
"movdqa %%xmm10,%%xmm14 \n"
"movq %%xmm10,(%1) \n"
"palignr $0x8,%%xmm14,%%xmm14 \n"
"punpckldq %%xmm13,%%xmm9 \n"
"movq %%xmm14,(%1,%4) \n"
"lea (%1,%4,2),%1 \n"
"movdqa %%xmm9,%%xmm13 \n"
"movq %%xmm9,(%1) \n"
"palignr $0x8,%%xmm13,%%xmm13 \n"
"movq %%xmm13,(%1,%4) \n"
"lea (%1,%4,2),%1 \n"
"punpckldq %%xmm15,%%xmm11 \n"
"movq %%xmm11,(%1) \n"
"movdqa %%xmm11,%%xmm15 \n"
"palignr $0x8,%%xmm15,%%xmm15 \n"
"sub $0x10,%2 \n"
"movq %%xmm15,(%1,%4) \n"
"lea (%1,%4,2),%1 \n"
"jg 1b \n"
: "+r"(src), // %0
"+r"(dst), // %1
"+r"(width) // %2
: "r"((ptrdiff_t)(src_stride)), // %3
"r"((ptrdiff_t)(dst_stride)) // %4
: "memory", "cc", "xmm0", "xmm1", "xmm2", "xmm3", "xmm4", "xmm5", "xmm6",
"xmm7", "xmm8", "xmm9", "xmm10", "xmm11", "xmm12", "xmm13", "xmm14",
"xmm15");
}
#endif // defined(HAS_TRANSPOSEWX8_SSSE3)
#if defined(HAS_TRANSPOSEWX16_AVX512BW) || defined(HAS_TRANSPOSEUVWX16_AVX512BW)
// Dword permutes to gather 16 rows of a column from 4 lanes.
static const uint32_t kPermdTranspose_AVX512BW[32] = {
0, 4, 8, 12, 2, 6, 10, 14, 16, 20, 24, 28, 18, 22, 26, 30,
1, 5, 9, 13, 3, 7, 11, 15, 17, 21, 25, 29, 19, 23, 27, 31};
// Transpose 16x16 bytes held in 4 lanes of 4 zmm registers.
// Source row r is in lane r / 4 of zmm(r % 4). Outputs zmm0..zmm3 are 16
// destination rows, lane n of zmm0/zmm2 for dst_a and lane n of zmm1/zmm3
// for dst_b.
#define TRANSPOSE16X16_AVX512BW \
"vpunpcklbw %%zmm1,%%zmm0,%%zmm4 \n" \
"vpunpckhbw %%zmm1,%%zmm0,%%zmm5 \n" \
"vpunpcklbw %%zmm3,%%zmm2,%%zmm0 \n" \
"vpunpckhbw %%zmm3,%%zmm2,%%zmm1 \n" \
"vpunpcklwd %%zmm0,%%zmm4,%%zmm2 \n" \
"vpunpckhwd %%zmm0,%%zmm4,%%zmm3 \n" \
"vpunpcklwd %%zmm1,%%zmm5,%%zmm4 \n" \
"vpunpckhwd %%zmm1,%%zmm5,%%zmm5 \n" \
"vmovdqa64 %%zmm2,%%zmm0 \n" \
"vpermt2d %%zmm4,%%zmm6,%%zmm0 \n" \
"vmovdqa64 %%zmm2,%%zmm1 \n" \
"vpermt2d %%zmm4,%%zmm7,%%zmm1 \n" \
"vmovdqa64 %%zmm3,%%zmm2 \n" \
"vpermt2d %%zmm5,%%zmm6,%%zmm2 \n" \
"vpermt2d %%zmm5,%%zmm7,%%zmm3 \n"
// Transpose 16x16 bytes using 4 lanes of AVX512BW with tail masking.
// Can be used for 8-bit planar transpose (dst_a = even rows, dst_b = odd rows)
// or 16-bit UV split transpose (dst_a = U plane, dst_b = V plane).
// TODO(fbarchard): Port to rotate_win.cc using intrinsics.
// TODO(fbarchard): Use for ARGB (32 bit) and 16 bit channel transposes.
// TODO(fbarchard): Consider removing in favor of TransposeWx16_Byte_AVX2,
// which is within 10% of AVX512BW on most CPUs.
static void TransposeWx16_Byte_AVX512BW(const uint8_t* src,
int src_stride,
uint8_t* dst_a,
int dst_stride_a,
uint8_t* dst_b,
int dst_stride_b,
int byte_width) {
uintptr_t temp;
asm volatile(
"vmovdqu32 (%[shuf]),%%zmm6 \n"
"vmovdqu32 0x40(%[shuf]),%%zmm7 \n"
"sub $0x10,%[width] \n"
"jl 2f \n"
// Main loop: 16 source rows x 16 bytes.
LABELALIGN
"1: \n"
"vmovdqu (%[src]),%%xmm0 \n"
"vmovdqu (%[src],%[src_stride]),%%xmm1 \n"
"lea (%[src],%[src_stride],2),%[temp] \n"
"lea 0x10(%[src]),%[src] \n"
"vmovdqu (%[temp]),%%xmm2 \n"
"vmovdqu (%[temp],%[src_stride]),%%xmm3 \n"
"lea (%[temp],%[src_stride],2),%[temp] \n"
"vinserti32x4 $1,(%[temp]),%%zmm0,%%zmm0 \n"
"vinserti32x4 $1,(%[temp],%[src_stride]),%%zmm1,%%zmm1 \n"
"lea (%[temp],%[src_stride],2),%[temp] \n"
"vinserti32x4 $1,(%[temp]),%%zmm2,%%zmm2 \n"
"vinserti32x4 $1,(%[temp],%[src_stride]),%%zmm3,%%zmm3 \n"
"lea (%[temp],%[src_stride],2),%[temp] \n"
"vinserti32x4 $2,(%[temp]),%%zmm0,%%zmm0 \n"
"vinserti32x4 $2,(%[temp],%[src_stride]),%%zmm1,%%zmm1 \n"
"lea (%[temp],%[src_stride],2),%[temp] \n"
"vinserti32x4 $2,(%[temp]),%%zmm2,%%zmm2 \n"
"vinserti32x4 $2,(%[temp],%[src_stride]),%%zmm3,%%zmm3 \n"
"lea (%[temp],%[src_stride],2),%[temp] \n"
"vinserti32x4 $3,(%[temp]),%%zmm0,%%zmm0 \n"
"vinserti32x4 $3,(%[temp],%[src_stride]),%%zmm1,%%zmm1 \n"
"lea (%[temp],%[src_stride],2),%[temp] \n"
"vinserti32x4 $3,(%[temp]),%%zmm2,%%zmm2 \n"
"vinserti32x4 $3,(%[temp],%[src_stride]),%%zmm3,%%zmm3 \n"
TRANSPOSE16X16_AVX512BW
"vmovdqu %%xmm0,(%[dst_a]) \n"
"vmovdqu %%xmm1,(%[dst_b]) \n"
"vextracti32x4 $1,%%zmm0,(%[dst_a],%[dst_stride_a]) \n"
"vextracti32x4 $1,%%zmm1,(%[dst_b],%[dst_stride_b]) \n"
"lea (%[dst_a],%[dst_stride_a],2),%[dst_a] \n"
"lea (%[dst_b],%[dst_stride_b],2),%[dst_b] \n"
"vmovdqu %%xmm2,(%[dst_a]) \n"
"vmovdqu %%xmm3,(%[dst_b]) \n"
"vextracti32x4 $1,%%zmm2,(%[dst_a],%[dst_stride_a]) \n"
"vextracti32x4 $1,%%zmm3,(%[dst_b],%[dst_stride_b]) \n"
"lea (%[dst_a],%[dst_stride_a],2),%[dst_a] \n"
"lea (%[dst_b],%[dst_stride_b],2),%[dst_b] \n"
"vextracti32x4 $2,%%zmm0,(%[dst_a]) \n"
"vextracti32x4 $2,%%zmm1,(%[dst_b]) \n"
"vextracti32x4 $3,%%zmm0,(%[dst_a],%[dst_stride_a]) \n"
"vextracti32x4 $3,%%zmm1,(%[dst_b],%[dst_stride_b]) \n"
"lea (%[dst_a],%[dst_stride_a],2),%[dst_a] \n"
"lea (%[dst_b],%[dst_stride_b],2),%[dst_b] \n"
"vextracti32x4 $2,%%zmm2,(%[dst_a]) \n"
"vextracti32x4 $2,%%zmm3,(%[dst_b]) \n"
"vextracti32x4 $3,%%zmm2,(%[dst_a],%[dst_stride_a]) \n"
"vextracti32x4 $3,%%zmm3,(%[dst_b],%[dst_stride_b]) \n"
"lea (%[dst_a],%[dst_stride_a],2),%[dst_a] \n"
"lea (%[dst_b],%[dst_stride_b],2),%[dst_b] \n"
"sub $0x10,%[width] \n"
"jge 1b \n"
// Remainder: 1 to 15 bytes, masked loads.
"2: \n"
"add $0x10,%[width] \n"
"je 99f \n"
"mov $-1,%k[temp] \n"
"bzhi %k[width],%k[temp],%k[temp] \n"
"kmovw %k[temp],%%k1 \n"
"vmovdqu8 (%[src]),%%xmm0%{%%k1%}%{z%} \n"
"vmovdqu8 (%[src],%[src_stride]),%%xmm1%{%%k1%}%{z%} \n"
"lea (%[src],%[src_stride],2),%[src] \n"
"vmovdqu8 (%[src]),%%xmm2%{%%k1%}%{z%} \n"
"vmovdqu8 (%[src],%[src_stride]),%%xmm3%{%%k1%}%{z%} \n"
"lea (%[src],%[src_stride],2),%[src] \n"
"vmovdqu8 (%[src]),%%xmm4%{%%k1%}%{z%} \n"
"vinserti32x4 $1,%%xmm4,%%zmm0,%%zmm0 \n"
"vmovdqu8 (%[src],%[src_stride]),%%xmm4%{%%k1%}%{z%} \n"
"vinserti32x4 $1,%%xmm4,%%zmm1,%%zmm1 \n"
"lea (%[src],%[src_stride],2),%[src] \n"
"vmovdqu8 (%[src]),%%xmm4%{%%k1%}%{z%} \n"
"vinserti32x4 $1,%%xmm4,%%zmm2,%%zmm2 \n"
"vmovdqu8 (%[src],%[src_stride]),%%xmm4%{%%k1%}%{z%} \n"
"vinserti32x4 $1,%%xmm4,%%zmm3,%%zmm3 \n"
"lea (%[src],%[src_stride],2),%[src] \n"
"vmovdqu8 (%[src]),%%xmm4%{%%k1%}%{z%} \n"
"vinserti32x4 $2,%%xmm4,%%zmm0,%%zmm0 \n"
"vmovdqu8 (%[src],%[src_stride]),%%xmm4%{%%k1%}%{z%} \n"
"vinserti32x4 $2,%%xmm4,%%zmm1,%%zmm1 \n"
"lea (%[src],%[src_stride],2),%[src] \n"
"vmovdqu8 (%[src]),%%xmm4%{%%k1%}%{z%} \n"
"vinserti32x4 $2,%%xmm4,%%zmm2,%%zmm2 \n"
"vmovdqu8 (%[src],%[src_stride]),%%xmm4%{%%k1%}%{z%} \n"
"vinserti32x4 $2,%%xmm4,%%zmm3,%%zmm3 \n"
"lea (%[src],%[src_stride],2),%[src] \n"
"vmovdqu8 (%[src]),%%xmm4%{%%k1%}%{z%} \n"
"vinserti32x4 $3,%%xmm4,%%zmm0,%%zmm0 \n"
"vmovdqu8 (%[src],%[src_stride]),%%xmm4%{%%k1%}%{z%} \n"
"vinserti32x4 $3,%%xmm4,%%zmm1,%%zmm1 \n"
"lea (%[src],%[src_stride],2),%[src] \n"
"vmovdqu8 (%[src]),%%xmm4%{%%k1%}%{z%} \n"
"vinserti32x4 $3,%%xmm4,%%zmm2,%%zmm2 \n"
"vmovdqu8 (%[src],%[src_stride]),%%xmm4%{%%k1%}%{z%} \n"
"vinserti32x4 $3,%%xmm4,%%zmm3,%%zmm3 \n"
TRANSPOSE16X16_AVX512BW
// Store 1 destination row per remaining byte.
"vmovdqu %%xmm0,(%[dst_a]) \n"
"sub $0x1,%[width] \n"
"je 99f \n"
"vmovdqu %%xmm1,(%[dst_b]) \n"
"sub $0x1,%[width] \n"
"je 99f \n"
"vextracti32x4 $1,%%zmm0,(%[dst_a],%[dst_stride_a]) \n"
"lea (%[dst_a],%[dst_stride_a],2),%[dst_a] \n"
"sub $0x1,%[width] \n"
"je 99f \n"
"vextracti32x4 $1,%%zmm1,(%[dst_b],%[dst_stride_b]) \n"
"lea (%[dst_b],%[dst_stride_b],2),%[dst_b] \n"
"sub $0x1,%[width] \n"
"je 99f \n"
"vmovdqu %%xmm2,(%[dst_a]) \n"
"sub $0x1,%[width] \n"
"je 99f \n"
"vmovdqu %%xmm3,(%[dst_b]) \n"
"sub $0x1,%[width] \n"
"je 99f \n"
"vextracti32x4 $1,%%zmm2,(%[dst_a],%[dst_stride_a]) \n"
"lea (%[dst_a],%[dst_stride_a],2),%[dst_a] \n"
"sub $0x1,%[width] \n"
"je 99f \n"
"vextracti32x4 $1,%%zmm3,(%[dst_b],%[dst_stride_b]) \n"
"lea (%[dst_b],%[dst_stride_b],2),%[dst_b] \n"
"sub $0x1,%[width] \n"
"je 99f \n"
"vextracti32x4 $2,%%zmm0,(%[dst_a]) \n"
"sub $0x1,%[width] \n"
"je 99f \n"
"vextracti32x4 $2,%%zmm1,(%[dst_b]) \n"
"sub $0x1,%[width] \n"
"je 99f \n"
"vextracti32x4 $3,%%zmm0,(%[dst_a],%[dst_stride_a]) \n"
"lea (%[dst_a],%[dst_stride_a],2),%[dst_a] \n"
"sub $0x1,%[width] \n"
"je 99f \n"
"vextracti32x4 $3,%%zmm1,(%[dst_b],%[dst_stride_b]) \n"
"lea (%[dst_b],%[dst_stride_b],2),%[dst_b] \n"
"sub $0x1,%[width] \n"
"je 99f \n"
"vextracti32x4 $2,%%zmm2,(%[dst_a]) \n"
"sub $0x1,%[width] \n"
"je 99f \n"
"vextracti32x4 $2,%%zmm3,(%[dst_b]) \n"
"sub $0x1,%[width] \n"
"je 99f \n"
"vextracti32x4 $3,%%zmm2,(%[dst_a],%[dst_stride_a]) \n"
"99: \n"
"vzeroupper \n"
: [src] "+r"(src), [dst_a] "+r"(dst_a), [dst_b] "+r"(dst_b),
[width] "+r"(byte_width), [temp] "=&r"(temp)
: [src_stride] "r"((ptrdiff_t)src_stride),
[dst_stride_a] "r"((ptrdiff_t)dst_stride_a),
[dst_stride_b] "r"((ptrdiff_t)dst_stride_b),
[shuf] "r"(kPermdTranspose_AVX512BW)
: "memory", "cc", "k1", "xmm0", "xmm1", "xmm2", "xmm3", "xmm4", "xmm5",
"xmm6", "xmm7");
}
#undef TRANSPOSE16X16_AVX512BW
#endif // defined(HAS_TRANSPOSEWX16_AVX512BW) ||
// defined(HAS_TRANSPOSEUVWX16_AVX512BW)
#if defined(HAS_TRANSPOSEWX16_AVX512BW)
void TransposeWx16_AVX512BW(const uint8_t* src,
int src_stride,
uint8_t* dst,
int dst_stride,
int width) {
TransposeWx16_Byte_AVX512BW(src, src_stride, dst, dst_stride * 2,
dst + (width > 1 ? dst_stride : 0),
dst_stride * 2, width);
}
#endif // defined(HAS_TRANSPOSEWX16_AVX512BW)
#if defined(HAS_TRANSPOSEUVWX16_AVX512BW)
void TransposeUVWx16_AVX512BW(const uint8_t* src,
int src_stride,
uint8_t* dst_a,
int dst_stride_a,
uint8_t* dst_b,
int dst_stride_b,
int width) {
TransposeWx16_Byte_AVX512BW(src, src_stride, dst_a, dst_stride_a, dst_b,
dst_stride_b, width * 2);
}
#endif // defined(HAS_TRANSPOSEUVWX16_AVX512BW)
#if defined(HAS_TRANSPOSEWX16_AVX2) || defined(HAS_TRANSPOSEUVWX16_AVX2)
// Transpose 16x16 bytes using 2 lanes of AVX2. Source row r is in lane r / 8
// of ymm(r % 8). 3 unpack stages leave each lane with 2 columns x 8 rows, and
// vpermq joins the rows 0..7 and 8..15 halves. Lane 0 of each output is an
// even column for dst_a and lane 1 an odd column for dst_b.
// Width is a multiple of 16 bytes.
static void TransposeWx16_Byte_AVX2(const uint8_t* src,
int src_stride,
uint8_t* dst_a,
int dst_stride_a,
uint8_t* dst_b,
int dst_stride_b,
int byte_width) {
uintptr_t temp;
asm volatile(
"1: \n"
"vmovdqu (%[src]),%%xmm0 \n"
"vmovdqu (%[src],%[src_stride]),%%xmm1 \n"
"lea (%[src],%[src_stride],2),%[temp] \n"
"lea 0x10(%[src]),%[src] \n"
"vmovdqu (%[temp]),%%xmm2 \n"
"vmovdqu (%[temp],%[src_stride]),%%xmm3 \n"
"lea (%[temp],%[src_stride],2),%[temp] \n"
"vmovdqu (%[temp]),%%xmm4 \n"
"vmovdqu (%[temp],%[src_stride]),%%xmm5 \n"
"lea (%[temp],%[src_stride],2),%[temp] \n"
"vmovdqu (%[temp]),%%xmm6 \n"
"vmovdqu (%[temp],%[src_stride]),%%xmm7 \n"
"lea (%[temp],%[src_stride],2),%[temp] \n"
"vinserti128 $1,(%[temp]),%%ymm0,%%ymm0 \n"
"vinserti128 $1,(%[temp],%[src_stride]),%%ymm1,%%ymm1 \n"
"lea (%[temp],%[src_stride],2),%[temp] \n"
"vinserti128 $1,(%[temp]),%%ymm2,%%ymm2 \n"
"vinserti128 $1,(%[temp],%[src_stride]),%%ymm3,%%ymm3 \n"
"lea (%[temp],%[src_stride],2),%[temp] \n"
"vinserti128 $1,(%[temp]),%%ymm4,%%ymm4 \n"
"vinserti128 $1,(%[temp],%[src_stride]),%%ymm5,%%ymm5 \n"
"lea (%[temp],%[src_stride],2),%[temp] \n"
"vinserti128 $1,(%[temp]),%%ymm6,%%ymm6 \n"
"vinserti128 $1,(%[temp],%[src_stride]),%%ymm7,%%ymm7 \n"
"vpunpcklbw %%ymm1,%%ymm0,%%ymm8 \n"
"vpunpckhbw %%ymm1,%%ymm0,%%ymm9 \n"
"vpunpcklbw %%ymm3,%%ymm2,%%ymm10 \n"
"vpunpckhbw %%ymm3,%%ymm2,%%ymm11 \n"
"vpunpcklbw %%ymm5,%%ymm4,%%ymm12 \n"
"vpunpckhbw %%ymm5,%%ymm4,%%ymm13 \n"
"vpunpcklbw %%ymm7,%%ymm6,%%ymm14 \n"
"vpunpckhbw %%ymm7,%%ymm6,%%ymm15 \n"
"vpunpcklwd %%ymm10,%%ymm8,%%ymm0 \n"
"vpunpckhwd %%ymm10,%%ymm8,%%ymm1 \n"
"vpunpcklwd %%ymm11,%%ymm9,%%ymm2 \n"
"vpunpckhwd %%ymm11,%%ymm9,%%ymm3 \n"
"vpunpcklwd %%ymm14,%%ymm12,%%ymm4 \n"
"vpunpckhwd %%ymm14,%%ymm12,%%ymm5 \n"
"vpunpcklwd %%ymm15,%%ymm13,%%ymm6 \n"
"vpunpckhwd %%ymm15,%%ymm13,%%ymm7 \n"
"vpunpckldq %%ymm4,%%ymm0,%%ymm8 \n"
"vpunpckhdq %%ymm4,%%ymm0,%%ymm9 \n"
"vpunpckldq %%ymm5,%%ymm1,%%ymm10 \n"
"vpunpckhdq %%ymm5,%%ymm1,%%ymm11 \n"
"vpunpckldq %%ymm6,%%ymm2,%%ymm12 \n"
"vpunpckhdq %%ymm6,%%ymm2,%%ymm13 \n"
"vpunpckldq %%ymm7,%%ymm3,%%ymm14 \n"
"vpunpckhdq %%ymm7,%%ymm3,%%ymm15 \n"
"vpermq $0xd8,%%ymm8,%%ymm8 \n"
"vpermq $0xd8,%%ymm9,%%ymm9 \n"
"vpermq $0xd8,%%ymm10,%%ymm10 \n"
"vpermq $0xd8,%%ymm11,%%ymm11 \n"
"vpermq $0xd8,%%ymm12,%%ymm12 \n"
"vpermq $0xd8,%%ymm13,%%ymm13 \n"
"vpermq $0xd8,%%ymm14,%%ymm14 \n"
"vpermq $0xd8,%%ymm15,%%ymm15 \n"
"vmovdqu %%xmm8,(%[dst_a]) \n"
"vextracti128 $1,%%ymm8,(%[dst_b]) \n"
"vmovdqu %%xmm9,(%[dst_a],%[dst_stride_a]) \n"
"vextracti128 $1,%%ymm9,(%[dst_b],%[dst_stride_b]) \n"
"lea (%[dst_a],%[dst_stride_a],2),%[dst_a] \n"
"lea (%[dst_b],%[dst_stride_b],2),%[dst_b] \n"
"vmovdqu %%xmm10,(%[dst_a]) \n"
"vextracti128 $1,%%ymm10,(%[dst_b]) \n"
"vmovdqu %%xmm11,(%[dst_a],%[dst_stride_a]) \n"
"vextracti128 $1,%%ymm11,(%[dst_b],%[dst_stride_b]) \n"
"lea (%[dst_a],%[dst_stride_a],2),%[dst_a] \n"
"lea (%[dst_b],%[dst_stride_b],2),%[dst_b] \n"
"vmovdqu %%xmm12,(%[dst_a]) \n"
"vextracti128 $1,%%ymm12,(%[dst_b]) \n"
"vmovdqu %%xmm13,(%[dst_a],%[dst_stride_a]) \n"
"vextracti128 $1,%%ymm13,(%[dst_b],%[dst_stride_b]) \n"
"lea (%[dst_a],%[dst_stride_a],2),%[dst_a] \n"
"lea (%[dst_b],%[dst_stride_b],2),%[dst_b] \n"
"vmovdqu %%xmm14,(%[dst_a]) \n"
"vextracti128 $1,%%ymm14,(%[dst_b]) \n"
"vmovdqu %%xmm15,(%[dst_a],%[dst_stride_a]) \n"
"vextracti128 $1,%%ymm15,(%[dst_b],%[dst_stride_b]) \n"
"lea (%[dst_a],%[dst_stride_a],2),%[dst_a] \n"
"lea (%[dst_b],%[dst_stride_b],2),%[dst_b] \n"
"sub $0x10,%[width] \n"
"jg 1b \n"
"vzeroupper \n"
: [src] "+r"(src), [dst_a] "+r"(dst_a), [dst_b] "+r"(dst_b),
[width] "+r"(byte_width), [temp] "=&r"(temp)
: [src_stride] "r"((ptrdiff_t)src_stride),
[dst_stride_a] "r"((ptrdiff_t)dst_stride_a),
[dst_stride_b] "r"((ptrdiff_t)dst_stride_b)
: "memory", "cc", "xmm0", "xmm1", "xmm2", "xmm3", "xmm4", "xmm5", "xmm6",
"xmm7", "xmm8", "xmm9", "xmm10", "xmm11", "xmm12", "xmm13", "xmm14",
"xmm15");
}
#endif // defined(HAS_TRANSPOSEWX16_AVX2) || defined(HAS_TRANSPOSEUVWX16_AVX2)
#if defined(HAS_TRANSPOSEWX16_AVX2)
void TransposeWx16_AVX2(const uint8_t* src,
int src_stride,
uint8_t* dst,
int dst_stride,
int width) {
TransposeWx16_Byte_AVX2(src, src_stride, dst, dst_stride * 2,
dst + dst_stride, dst_stride * 2, width);
}
#endif // defined(HAS_TRANSPOSEWX16_AVX2)
#if defined(HAS_TRANSPOSEUVWX16_AVX2)
void TransposeUVWx16_AVX2(const uint8_t* src,
int src_stride,
uint8_t* dst_a,
int dst_stride_a,
uint8_t* dst_b,
int dst_stride_b,
int width) {
TransposeWx16_Byte_AVX2(src, src_stride, dst_a, dst_stride_a, dst_b,
dst_stride_b, width * 2);
}
#endif // defined(HAS_TRANSPOSEUVWX16_AVX2)
// Transpose UV 8x8. 64 bit.
#if defined(HAS_TRANSPOSEUVWX8_SSE2)
void TransposeUVWx8_SSE2(const uint8_t* src,
int src_stride,
uint8_t* dst_a,
int dst_stride_a,
uint8_t* dst_b,
int dst_stride_b,
int width) {
asm volatile(
// Read in the data from the source pointer.
// First round of bit swap.
LABELALIGN
"1: \n"
"movdqu (%0),%%xmm0 \n"
"movdqu (%0,%4),%%xmm1 \n"
"lea (%0,%4,2),%0 \n"
"movdqa %%xmm0,%%xmm8 \n"
"punpcklbw %%xmm1,%%xmm0 \n"
"punpckhbw %%xmm1,%%xmm8 \n"
"movdqa %%xmm8,%%xmm1 \n"
"movdqu (%0),%%xmm2 \n"
"movdqu (%0,%4),%%xmm3 \n"
"lea (%0,%4,2),%0 \n"
"movdqa %%xmm2,%%xmm8 \n"
"punpcklbw %%xmm3,%%xmm2 \n"
"punpckhbw %%xmm3,%%xmm8 \n"
"movdqa %%xmm8,%%xmm3 \n"
"movdqu (%0),%%xmm4 \n"
"movdqu (%0,%4),%%xmm5 \n"
"lea (%0,%4,2),%0 \n"
"movdqa %%xmm4,%%xmm8 \n"
"punpcklbw %%xmm5,%%xmm4 \n"
"punpckhbw %%xmm5,%%xmm8 \n"
"movdqa %%xmm8,%%xmm5 \n"
"movdqu (%0),%%xmm6 \n"
"movdqu (%0,%4),%%xmm7 \n"
"lea (%0,%4,2),%0 \n"
"movdqa %%xmm6,%%xmm8 \n"
"punpcklbw %%xmm7,%%xmm6 \n"
"neg %4 \n"
"lea 0x10(%0,%4,8),%0 \n"
"punpckhbw %%xmm7,%%xmm8 \n"
"movdqa %%xmm8,%%xmm7 \n"
"neg %4 \n"
// Second round of bit swap.
"movdqa %%xmm0,%%xmm8 \n"
"movdqa %%xmm1,%%xmm9 \n"
"punpckhwd %%xmm2,%%xmm8 \n"
"punpckhwd %%xmm3,%%xmm9 \n"
"punpcklwd %%xmm2,%%xmm0 \n"
"punpcklwd %%xmm3,%%xmm1 \n"
"movdqa %%xmm8,%%xmm2 \n"
"movdqa %%xmm9,%%xmm3 \n"
"movdqa %%xmm4,%%xmm8 \n"
"movdqa %%xmm5,%%xmm9 \n"
"punpckhwd %%xmm6,%%xmm8 \n"
"punpckhwd %%xmm7,%%xmm9 \n"
"punpcklwd %%xmm6,%%xmm4 \n"
"punpcklwd %%xmm7,%%xmm5 \n"
"movdqa %%xmm8,%%xmm6 \n"
"movdqa %%xmm9,%%xmm7 \n"
// Third round of bit swap.
// Write to the destination pointer.
"movdqa %%xmm0,%%xmm8 \n"
"punpckldq %%xmm4,%%xmm0 \n"
"movlpd %%xmm0,(%1) \n" // Write back U channel
"movhpd %%xmm0,(%2) \n" // Write back V channel
"punpckhdq %%xmm4,%%xmm8 \n"
"movlpd %%xmm8,(%1,%5) \n"
"lea (%1,%5,2),%1 \n"
"movhpd %%xmm8,(%2,%6) \n"
"lea (%2,%6,2),%2 \n"
"movdqa %%xmm2,%%xmm8 \n"
"punpckldq %%xmm6,%%xmm2 \n"
"movlpd %%xmm2,(%1) \n"
"movhpd %%xmm2,(%2) \n"
"punpckhdq %%xmm6,%%xmm8 \n"
"movlpd %%xmm8,(%1,%5) \n"
"lea (%1,%5,2),%1 \n"
"movhpd %%xmm8,(%2,%6) \n"
"lea (%2,%6,2),%2 \n"
"movdqa %%xmm1,%%xmm8 \n"
"punpckldq %%xmm5,%%xmm1 \n"
"movlpd %%xmm1,(%1) \n"
"movhpd %%xmm1,(%2) \n"
"punpckhdq %%xmm5,%%xmm8 \n"
"movlpd %%xmm8,(%1,%5) \n"
"lea (%1,%5,2),%1 \n"
"movhpd %%xmm8,(%2,%6) \n"
"lea (%2,%6,2),%2 \n"
"movdqa %%xmm3,%%xmm8 \n"
"punpckldq %%xmm7,%%xmm3 \n"
"movlpd %%xmm3,(%1) \n"
"movhpd %%xmm3,(%2) \n"
"punpckhdq %%xmm7,%%xmm8 \n"
"sub $0x8,%3 \n"
"movlpd %%xmm8,(%1,%5) \n"
"lea (%1,%5,2),%1 \n"
"movhpd %%xmm8,(%2,%6) \n"
"lea (%2,%6,2),%2 \n"
"jg 1b \n"
: "+r"(src), // %0
"+r"(dst_a), // %1
"+r"(dst_b), // %2
"+r"(width) // %3
: "r"((ptrdiff_t)(src_stride)), // %4
"r"((ptrdiff_t)(dst_stride_a)), // %5
"r"((ptrdiff_t)(dst_stride_b)) // %6
: "memory", "cc", "xmm0", "xmm1", "xmm2", "xmm3", "xmm4", "xmm5", "xmm6",
"xmm7", "xmm8", "xmm9");
}
#endif // defined(HAS_TRANSPOSEUVWX8_SSE2)
#if defined(HAS_TRANSPOSEWX16_16_AVX2)
void TransposeWx16_16_AVX2(const uint16_t* src,
int src_stride,
uint16_t* dst,
int dst_stride,
int width) {
const ptrdiff_t s = (ptrdiff_t)src_stride * 2;
const ptrdiff_t d = (ptrdiff_t)dst_stride * 2;
const uint8_t* src_b = (const uint8_t*)src;
uint8_t* dst_b = (uint8_t*)dst;
const uint8_t* temp;
asm volatile(
"1: \n"
"vmovdqu (%[src]),%%xmm0 \n"
"vmovdqu (%[src],%[s]),%%xmm1 \n"
"lea (%[src],%[s],2),%[temp] \n"
"vmovdqu (%[temp]),%%xmm2 \n"
"vmovdqu (%[temp],%[s]),%%xmm3 \n"
"lea (%[temp],%[s],2),%[temp] \n"
"vmovdqu (%[temp]),%%xmm4 \n"
"vmovdqu (%[temp],%[s]),%%xmm5 \n"
"lea (%[temp],%[s],2),%[temp] \n"
"vmovdqu (%[temp]),%%xmm6 \n"
"vmovdqu (%[temp],%[s]),%%xmm7 \n"
"lea (%[temp],%[s],2),%[temp] \n"
"vinserti128 $1,(%[temp]),%%ymm0,%%ymm0 \n"
"vinserti128 $1,(%[temp],%[s]),%%ymm1,%%ymm1 \n"
"lea (%[temp],%[s],2),%[temp] \n"
"vinserti128 $1,(%[temp]),%%ymm2,%%ymm2 \n"
"vinserti128 $1,(%[temp],%[s]),%%ymm3,%%ymm3 \n"
"lea (%[temp],%[s],2),%[temp] \n"
"vinserti128 $1,(%[temp]),%%ymm4,%%ymm4 \n"
"vinserti128 $1,(%[temp],%[s]),%%ymm5,%%ymm5 \n"
"lea (%[temp],%[s],2),%[temp] \n"
"vinserti128 $1,(%[temp]),%%ymm6,%%ymm6 \n"
"vinserti128 $1,(%[temp],%[s]),%%ymm7,%%ymm7 \n"
"add $0x10,%[src] \n"
// Stage 1: 16-bit unpack -> ymm8..ymm15
"vpunpcklwd %%ymm1,%%ymm0,%%ymm8 \n"
"vpunpckhwd %%ymm1,%%ymm0,%%ymm9 \n"
"vpunpcklwd %%ymm3,%%ymm2,%%ymm10 \n"
"vpunpckhwd %%ymm3,%%ymm2,%%ymm11 \n"
"vpunpcklwd %%ymm5,%%ymm4,%%ymm12 \n"
"vpunpckhwd %%ymm5,%%ymm4,%%ymm13 \n"
"vpunpcklwd %%ymm7,%%ymm6,%%ymm14 \n"
"vpunpckhwd %%ymm7,%%ymm6,%%ymm15 \n"
// Stage 2: 32-bit unpack -> ymm0..ymm7
"vpunpckldq %%ymm10,%%ymm8,%%ymm0 \n"
"vpunpckhdq %%ymm10,%%ymm8,%%ymm1 \n"
"vpunpckldq %%ymm11,%%ymm9,%%ymm2 \n"
"vpunpckhdq %%ymm11,%%ymm9,%%ymm3 \n"
"vpunpckldq %%ymm14,%%ymm12,%%ymm4 \n"
"vpunpckhdq %%ymm14,%%ymm12,%%ymm5 \n"
"vpunpckldq %%ymm15,%%ymm13,%%ymm6 \n"
"vpunpckhdq %%ymm15,%%ymm13,%%ymm7 \n"
// Stage 3: 64-bit unpack -> ymm8..ymm15
"vpunpcklqdq %%ymm4,%%ymm0,%%ymm8 \n"
"vpunpckhqdq %%ymm4,%%ymm0,%%ymm9 \n"
"vpunpcklqdq %%ymm5,%%ymm1,%%ymm10 \n"
"vpunpckhqdq %%ymm5,%%ymm1,%%ymm11 \n"
"vpunpcklqdq %%ymm6,%%ymm2,%%ymm12 \n"
"vpunpckhqdq %%ymm6,%%ymm2,%%ymm13 \n"
"vpunpcklqdq %%ymm7,%%ymm3,%%ymm14 \n"
"vpunpckhqdq %%ymm7,%%ymm3,%%ymm15 \n"
"vmovdqu %%ymm8,(%[dst]) \n"
"vmovdqu %%ymm9,(%[dst],%[d]) \n"
"lea (%[dst],%[d],2),%[dst] \n"
"vmovdqu %%ymm10,(%[dst]) \n"
"vmovdqu %%ymm11,(%[dst],%[d]) \n"
"lea (%[dst],%[d],2),%[dst] \n"
"vmovdqu %%ymm12,(%[dst]) \n"
"vmovdqu %%ymm13,(%[dst],%[d]) \n"
"lea (%[dst],%[d],2),%[dst] \n"
"vmovdqu %%ymm14,(%[dst]) \n"
"vmovdqu %%ymm15,(%[dst],%[d]) \n"
"lea (%[dst],%[d],2),%[dst] \n"
"sub $0x8,%[w] \n"
"jg 1b \n"
"vzeroupper \n"
: [src] "+r"(src_b), // %[src]
[dst] "+r"(dst_b), // %[dst]
[w] "+r"(width), // %[w]
[temp] "=&r"(temp) // %[temp]
: [s] "r"(s), // %[s]
[d] "r"(d) // %[d]
: "memory", "cc", "xmm0", "xmm1", "xmm2", "xmm3", "xmm4", "xmm5", "xmm6",
"xmm7", "xmm8", "xmm9", "xmm10", "xmm11", "xmm12", "xmm13", "xmm14",
"xmm15");
}
#endif // defined(HAS_TRANSPOSEWX16_16_AVX2)
#if defined(HAS_TRANSPOSEWX32_16_AVX512BW)
// Transpose 32 rows of 16 bit plane (arbitrary width) using 8x32 tiles in
// zmm0..zmm15 with k1-masked right tail.
void TransposeWx32_16_AVX512BW(const uint16_t* src,
int src_stride,
uint16_t* dst,
int dst_stride,
int width) {
const ptrdiff_t s = (ptrdiff_t)src_stride * 2;
const ptrdiff_t d = (ptrdiff_t)dst_stride * 2;
const uint8_t* src_b = (const uint8_t*)src;
uint8_t* dst_b = (uint8_t*)dst;
const int n = width & ~7;
if (n > 0) {
int cnt = n;
const uint8_t* temp;
asm volatile(
"1: \n"
"vmovdqu (%[src]),%%xmm0 \n"
"vmovdqu (%[src],%[s]),%%xmm1 \n"
"lea (%[src],%[s],2),%[temp] \n"
"vmovdqu (%[temp]),%%xmm2 \n"
"vmovdqu (%[temp],%[s]),%%xmm3 \n"
"lea (%[temp],%[s],2),%[temp] \n"
"vmovdqu (%[temp]),%%xmm4 \n"
"vmovdqu (%[temp],%[s]),%%xmm5 \n"
"lea (%[temp],%[s],2),%[temp] \n"
"vmovdqu (%[temp]),%%xmm6 \n"
"vmovdqu (%[temp],%[s]),%%xmm7 \n"
"lea (%[temp],%[s],2),%[temp] \n"
"vinserti32x4 $1,(%[temp]),%%zmm0,%%zmm0 \n"
"vinserti32x4 $1,(%[temp],%[s]),%%zmm1,%%zmm1 \n"
"lea (%[temp],%[s],2),%[temp] \n"
"vinserti32x4 $1,(%[temp]),%%zmm2,%%zmm2 \n"
"vinserti32x4 $1,(%[temp],%[s]),%%zmm3,%%zmm3 \n"
"lea (%[temp],%[s],2),%[temp] \n"
"vinserti32x4 $1,(%[temp]),%%zmm4,%%zmm4 \n"
"vinserti32x4 $1,(%[temp],%[s]),%%zmm5,%%zmm5 \n"
"lea (%[temp],%[s],2),%[temp] \n"
"vinserti32x4 $1,(%[temp]),%%zmm6,%%zmm6 \n"
"vinserti32x4 $1,(%[temp],%[s]),%%zmm7,%%zmm7 \n"
"lea (%[temp],%[s],2),%[temp] \n"
"vinserti32x4 $2,(%[temp]),%%zmm0,%%zmm0 \n"
"vinserti32x4 $2,(%[temp],%[s]),%%zmm1,%%zmm1 \n"
"lea (%[temp],%[s],2),%[temp] \n"
"vinserti32x4 $2,(%[temp]),%%zmm2,%%zmm2 \n"
"vinserti32x4 $2,(%[temp],%[s]),%%zmm3,%%zmm3 \n"
"lea (%[temp],%[s],2),%[temp] \n"
"vinserti32x4 $2,(%[temp]),%%zmm4,%%zmm4 \n"
"vinserti32x4 $2,(%[temp],%[s]),%%zmm5,%%zmm5 \n"
"lea (%[temp],%[s],2),%[temp] \n"
"vinserti32x4 $2,(%[temp]),%%zmm6,%%zmm6 \n"
"vinserti32x4 $2,(%[temp],%[s]),%%zmm7,%%zmm7 \n"
"lea (%[temp],%[s],2),%[temp] \n"
"vinserti32x4 $3,(%[temp]),%%zmm0,%%zmm0 \n"
"vinserti32x4 $3,(%[temp],%[s]),%%zmm1,%%zmm1 \n"
"lea (%[temp],%[s],2),%[temp] \n"
"vinserti32x4 $3,(%[temp]),%%zmm2,%%zmm2 \n"
"vinserti32x4 $3,(%[temp],%[s]),%%zmm3,%%zmm3 \n"
"lea (%[temp],%[s],2),%[temp] \n"
"vinserti32x4 $3,(%[temp]),%%zmm4,%%zmm4 \n"
"vinserti32x4 $3,(%[temp],%[s]),%%zmm5,%%zmm5 \n"
"lea (%[temp],%[s],2),%[temp] \n"
"vinserti32x4 $3,(%[temp]),%%zmm6,%%zmm6 \n"
"vinserti32x4 $3,(%[temp],%[s]),%%zmm7,%%zmm7 \n"
"add $0x10,%[src] \n"
// Stage 1: 16-bit unpack -> zmm8..zmm15
"vpunpcklwd %%zmm1,%%zmm0,%%zmm8 \n"
"vpunpckhwd %%zmm1,%%zmm0,%%zmm9 \n"
"vpunpcklwd %%zmm3,%%zmm2,%%zmm10 \n"
"vpunpckhwd %%zmm3,%%zmm2,%%zmm11 \n"
"vpunpcklwd %%zmm5,%%zmm4,%%zmm12 \n"
"vpunpckhwd %%zmm5,%%zmm4,%%zmm13 \n"
"vpunpcklwd %%zmm7,%%zmm6,%%zmm14 \n"
"vpunpckhwd %%zmm7,%%zmm6,%%zmm15 \n"
// Stage 2: 32-bit unpack -> zmm0..zmm7
"vpunpckldq %%zmm10,%%zmm8,%%zmm0 \n"
"vpunpckhdq %%zmm10,%%zmm8,%%zmm1 \n"
"vpunpckldq %%zmm11,%%zmm9,%%zmm2 \n"
"vpunpckhdq %%zmm11,%%zmm9,%%zmm3 \n"
"vpunpckldq %%zmm14,%%zmm12,%%zmm4 \n"
"vpunpckhdq %%zmm14,%%zmm12,%%zmm5 \n"
"vpunpckldq %%zmm15,%%zmm13,%%zmm6 \n"
"vpunpckhdq %%zmm15,%%zmm13,%%zmm7 \n"
// Stage 3: 64-bit unpack -> zmm8..zmm15
"vpunpcklqdq %%zmm4,%%zmm0,%%zmm8 \n"
"vpunpckhqdq %%zmm4,%%zmm0,%%zmm9 \n"
"vpunpcklqdq %%zmm5,%%zmm1,%%zmm10 \n"
"vpunpckhqdq %%zmm5,%%zmm1,%%zmm11 \n"
"vpunpcklqdq %%zmm6,%%zmm2,%%zmm12 \n"
"vpunpckhqdq %%zmm6,%%zmm2,%%zmm13 \n"
"vpunpcklqdq %%zmm7,%%zmm3,%%zmm14 \n"
"vpunpckhqdq %%zmm7,%%zmm3,%%zmm15 \n"
"vmovdqu16 %%zmm8,(%[dst]) \n"
"vmovdqu16 %%zmm9,(%[dst],%[d]) \n"
"lea (%[dst],%[d],2),%[dst] \n"
"vmovdqu16 %%zmm10,(%[dst]) \n"
"vmovdqu16 %%zmm11,(%[dst],%[d]) \n"
"lea (%[dst],%[d],2),%[dst] \n"
"vmovdqu16 %%zmm12,(%[dst]) \n"
"vmovdqu16 %%zmm13,(%[dst],%[d]) \n"
"lea (%[dst],%[d],2),%[dst] \n"
"vmovdqu16 %%zmm14,(%[dst]) \n"
"vmovdqu16 %%zmm15,(%[dst],%[d]) \n"
"lea (%[dst],%[d],2),%[dst] \n"
"sub $0x8,%[cnt] \n"
"jg 1b \n"
: [src] "+r"(src_b), // %[src]
[dst] "+r"(dst_b), // %[dst]
[cnt] "+r"(cnt), // %[cnt]
[temp] "=&r"(temp) // %[temp]
: [s] "r"(s), // %[s]
[d] "r"(d) // %[d]
: "memory", "cc", "xmm0", "xmm1", "xmm2", "xmm3", "xmm4", "xmm5",
"xmm6", "xmm7", "xmm8", "xmm9", "xmm10", "xmm11", "xmm12", "xmm13",
"xmm14", "xmm15");
width -= n;
}
if (width > 0) {
const uint32_t col_mask = (1u << width) - 1;
const uint8_t* temp;
asm volatile(
"kmovw %[col_mask],%%k1 \n"
"vmovdqu16 (%[src]),%%xmm0%{%%k1%}%{z%} \n"
"vmovdqu16 (%[src],%[s]),%%xmm1%{%%k1%}%{z%} \n"
"lea (%[src],%[s],2),%[temp] \n"
"vmovdqu16 (%[temp]),%%xmm2%{%%k1%}%{z%} \n"
"vmovdqu16 (%[temp],%[s]),%%xmm3%{%%k1%}%{z%} \n"
"lea (%[temp],%[s],2),%[temp] \n"
"vmovdqu16 (%[temp]),%%xmm4%{%%k1%}%{z%} \n"
"vmovdqu16 (%[temp],%[s]),%%xmm5%{%%k1%}%{z%} \n"
"lea (%[temp],%[s],2),%[temp] \n"
"vmovdqu16 (%[temp]),%%xmm6%{%%k1%}%{z%} \n"
"vmovdqu16 (%[temp],%[s]),%%xmm7%{%%k1%}%{z%} \n"
"lea (%[temp],%[s],2),%[temp] \n"
"vmovdqu16 (%[temp]),%%xmm16%{%%k1%}%{z%} \n"
"vinserti32x4 $1,%%xmm16,%%zmm0,%%zmm0 \n"
"vmovdqu16 (%[temp],%[s]),%%xmm16%{%%k1%}%{z%} \n"
"vinserti32x4 $1,%%xmm16,%%zmm1,%%zmm1 \n"
"lea (%[temp],%[s],2),%[temp] \n"
"vmovdqu16 (%[temp]),%%xmm16%{%%k1%}%{z%} \n"
"vinserti32x4 $1,%%xmm16,%%zmm2,%%zmm2 \n"
"vmovdqu16 (%[temp],%[s]),%%xmm16%{%%k1%}%{z%} \n"
"vinserti32x4 $1,%%xmm16,%%zmm3,%%zmm3 \n"
"lea (%[temp],%[s],2),%[temp] \n"
"vmovdqu16 (%[temp]),%%xmm16%{%%k1%}%{z%} \n"
"vinserti32x4 $1,%%xmm16,%%zmm4,%%zmm4 \n"
"vmovdqu16 (%[temp],%[s]),%%xmm16%{%%k1%}%{z%} \n"
"vinserti32x4 $1,%%xmm16,%%zmm5,%%zmm5 \n"
"lea (%[temp],%[s],2),%[temp] \n"
"vmovdqu16 (%[temp]),%%xmm16%{%%k1%}%{z%} \n"
"vinserti32x4 $1,%%xmm16,%%zmm6,%%zmm6 \n"
"vmovdqu16 (%[temp],%[s]),%%xmm16%{%%k1%}%{z%} \n"
"vinserti32x4 $1,%%xmm16,%%zmm7,%%zmm7 \n"
"lea (%[temp],%[s],2),%[temp] \n"
"vmovdqu16 (%[temp]),%%xmm16%{%%k1%}%{z%} \n"
"vinserti32x4 $2,%%xmm16,%%zmm0,%%zmm0 \n"
"vmovdqu16 (%[temp],%[s]),%%xmm16%{%%k1%}%{z%} \n"
"vinserti32x4 $2,%%xmm16,%%zmm1,%%zmm1 \n"
"lea (%[temp],%[s],2),%[temp] \n"
"vmovdqu16 (%[temp]),%%xmm16%{%%k1%}%{z%} \n"
"vinserti32x4 $2,%%xmm16,%%zmm2,%%zmm2 \n"
"vmovdqu16 (%[temp],%[s]),%%xmm16%{%%k1%}%{z%} \n"
"vinserti32x4 $2,%%xmm16,%%zmm3,%%zmm3 \n"
"lea (%[temp],%[s],2),%[temp] \n"
"vmovdqu16 (%[temp]),%%xmm16%{%%k1%}%{z%} \n"
"vinserti32x4 $2,%%xmm16,%%zmm4,%%zmm4 \n"
"vmovdqu16 (%[temp],%[s]),%%xmm16%{%%k1%}%{z%} \n"
"vinserti32x4 $2,%%xmm16,%%zmm5,%%zmm5 \n"
"lea (%[temp],%[s],2),%[temp] \n"
"vmovdqu16 (%[temp]),%%xmm16%{%%k1%}%{z%} \n"
"vinserti32x4 $2,%%xmm16,%%zmm6,%%zmm6 \n"
"vmovdqu16 (%[temp],%[s]),%%xmm16%{%%k1%}%{z%} \n"
"vinserti32x4 $2,%%xmm16,%%zmm7,%%zmm7 \n"
"lea (%[temp],%[s],2),%[temp] \n"
"vmovdqu16 (%[temp]),%%xmm16%{%%k1%}%{z%} \n"
"vinserti32x4 $3,%%xmm16,%%zmm0,%%zmm0 \n"
"vmovdqu16 (%[temp],%[s]),%%xmm16%{%%k1%}%{z%} \n"
"vinserti32x4 $3,%%xmm16,%%zmm1,%%zmm1 \n"
"lea (%[temp],%[s],2),%[temp] \n"
"vmovdqu16 (%[temp]),%%xmm16%{%%k1%}%{z%} \n"
"vinserti32x4 $3,%%xmm16,%%zmm2,%%zmm2 \n"
"vmovdqu16 (%[temp],%[s]),%%xmm16%{%%k1%}%{z%} \n"
"vinserti32x4 $3,%%xmm16,%%zmm3,%%zmm3 \n"
"lea (%[temp],%[s],2),%[temp] \n"
"vmovdqu16 (%[temp]),%%xmm16%{%%k1%}%{z%} \n"
"vinserti32x4 $3,%%xmm16,%%zmm4,%%zmm4 \n"
"vmovdqu16 (%[temp],%[s]),%%xmm16%{%%k1%}%{z%} \n"
"vinserti32x4 $3,%%xmm16,%%zmm5,%%zmm5 \n"
"lea (%[temp],%[s],2),%[temp] \n"
"vmovdqu16 (%[temp]),%%xmm16%{%%k1%}%{z%} \n"
"vinserti32x4 $3,%%xmm16,%%zmm6,%%zmm6 \n"
"vmovdqu16 (%[temp],%[s]),%%xmm16%{%%k1%}%{z%} \n"
"vinserti32x4 $3,%%xmm16,%%zmm7,%%zmm7 \n"
// Stage 1: 16-bit unpack -> zmm8..zmm15
"vpunpcklwd %%zmm1,%%zmm0,%%zmm8 \n"
"vpunpckhwd %%zmm1,%%zmm0,%%zmm9 \n"
"vpunpcklwd %%zmm3,%%zmm2,%%zmm10 \n"
"vpunpckhwd %%zmm3,%%zmm2,%%zmm11 \n"
"vpunpcklwd %%zmm5,%%zmm4,%%zmm12 \n"
"vpunpckhwd %%zmm5,%%zmm4,%%zmm13 \n"
"vpunpcklwd %%zmm7,%%zmm6,%%zmm14 \n"
"vpunpckhwd %%zmm7,%%zmm6,%%zmm15 \n"
// Stage 2: 32-bit unpack -> zmm0..zmm7
"vpunpckldq %%zmm10,%%zmm8,%%zmm0 \n"
"vpunpckhdq %%zmm10,%%zmm8,%%zmm1 \n"
"vpunpckldq %%zmm11,%%zmm9,%%zmm2 \n"
"vpunpckhdq %%zmm11,%%zmm9,%%zmm3 \n"
"vpunpckldq %%zmm14,%%zmm12,%%zmm4 \n"
"vpunpckhdq %%zmm14,%%zmm12,%%zmm5 \n"
"vpunpckldq %%zmm15,%%zmm13,%%zmm6 \n"
"vpunpckhdq %%zmm15,%%zmm13,%%zmm7 \n"
// Stage 3: 64-bit unpack -> zmm8..zmm15
"vpunpcklqdq %%zmm4,%%zmm0,%%zmm8 \n"
"vpunpckhqdq %%zmm4,%%zmm0,%%zmm9 \n"
"vpunpcklqdq %%zmm5,%%zmm1,%%zmm10 \n"
"vpunpckhqdq %%zmm5,%%zmm1,%%zmm11 \n"
"vpunpcklqdq %%zmm6,%%zmm2,%%zmm12 \n"
"vpunpckhqdq %%zmm6,%%zmm2,%%zmm13 \n"
"vpunpcklqdq %%zmm7,%%zmm3,%%zmm14 \n"
"vpunpckhqdq %%zmm7,%%zmm3,%%zmm15 \n"
"vmovdqu16 %%zmm8,(%[dst]) \n"
"cmp $1,%[width] \n"
"jle 2f \n"
"vmovdqu16 %%zmm9,(%[dst],%[d]) \n"
"cmp $2,%[width] \n"
"jle 2f \n"
"lea (%[dst],%[d],2),%[dst] \n"
"vmovdqu16 %%zmm10,(%[dst]) \n"
"cmp $3,%[width] \n"
"jle 2f \n"
"vmovdqu16 %%zmm11,(%[dst],%[d]) \n"
"cmp $4,%[width] \n"
"jle 2f \n"
"lea (%[dst],%[d],2),%[dst] \n"
"vmovdqu16 %%zmm12,(%[dst]) \n"
"cmp $5,%[width] \n"
"jle 2f \n"
"vmovdqu16 %%zmm13,(%[dst],%[d]) \n"
"cmp $6,%[width] \n"
"jle 2f \n"
"lea (%[dst],%[d],2),%[dst] \n"
"vmovdqu16 %%zmm14,(%[dst]) \n"
"2: \n"
: [dst] "+r"(dst_b), // %[dst]
[temp] "=&r"(temp) // %[temp]
: [src] "r"(src_b), // %[src]
[s] "r"(s), // %[s]
[d] "r"(d), // %[d]
[col_mask] "r"(col_mask), // %[col_mask]
[width] "r"(width) // %[width]
: "memory", "cc", "k1", "xmm0", "xmm1", "xmm2", "xmm3", "xmm4", "xmm5",
"xmm6", "xmm7", "xmm8", "xmm9", "xmm10", "xmm11", "xmm12", "xmm13",
"xmm14", "xmm15", "xmm16");
}
asm volatile("vzeroupper \n");
}
#endif // defined(HAS_TRANSPOSEWX32_16_AVX512BW)
#if defined(HAS_TRANSPOSEWX4_32_SSE2)
// 4 values, little endian view
// a b c d
// e f g h
// i j k l
// m n o p
// transpose 2x2
// a e b f from row 0, 1
// i m j n from row 2, 3
// c g d h from row 0, 1
// k o l p from row 2, 3
// transpose 4x4
// a e i m from row 0, 1
// b f j n from row 0, 1
// c g k o from row 2, 3
// d h l p from row 2, 3
// Transpose 32 bit values (ARGB)
void TransposeWx4_32_SSE2(const uint8_t* src,
int src_stride,
uint8_t* dst,
int dst_stride,
int width) {
asm volatile(
// Main loop transpose 4x4. Read a column, write a row.
"1: \n"
"movdqu (%0),%%xmm0 \n" // a b c d
"movdqu (%0,%3),%%xmm1 \n" // e f g h
"lea (%0,%3,2),%0 \n" // src += stride * 2
"movdqu (%0),%%xmm2 \n" // i j k l
"movdqu (%0,%3),%%xmm3 \n" // m n o p
"lea (%0,%3,2),%0 \n" // src += stride * 2
// Transpose 2x2
"movdqa %%xmm0,%%xmm4 \n"
"movdqa %%xmm2,%%xmm5 \n"
"movdqa %%xmm0,%%xmm6 \n"
"movdqa %%xmm2,%%xmm7 \n"
"punpckldq %%xmm1,%%xmm4 \n" // a e b f from row 0, 1
"punpckldq %%xmm3,%%xmm5 \n" // i m j n from row 2, 3
"punpckhdq %%xmm1,%%xmm6 \n" // c g d h from row 0, 1
"punpckhdq %%xmm3,%%xmm7 \n" // k o l p from row 2, 3
// Transpose 4x4
"movdqa %%xmm4,%%xmm0 \n"
"movdqa %%xmm4,%%xmm1 \n"
"movdqa %%xmm6,%%xmm2 \n"
"movdqa %%xmm6,%%xmm3 \n"
"punpcklqdq %%xmm5,%%xmm0 \n" // a e i m from row 0, 1
"punpckhqdq %%xmm5,%%xmm1 \n" // b f j n from row 0, 1
"punpcklqdq %%xmm7,%%xmm2 \n" // c g k o from row 2, 3
"punpckhqdq %%xmm7,%%xmm3 \n" // d h l p from row 2, 3
"movdqu %%xmm0,(%1) \n"
"lea 16(%1,%4),%1 \n" // dst += stride + 16
"movdqu %%xmm1,-16(%1) \n"
"movdqu %%xmm2,-16(%1,%4) \n"
"movdqu %%xmm3,-16(%1,%4,2) \n"
"sub %4,%1 \n"
"sub $0x4,%2 \n"
"jg 1b \n"
: "+r"(src), // %0
"+r"(dst), // %1
"+rm"(width) // %2
: "r"((ptrdiff_t)(src_stride)), // %3
"r"((ptrdiff_t)(dst_stride)) // %4
: "memory", "cc", "xmm0", "xmm1", "xmm2", "xmm3", "xmm4", "xmm5", "xmm6",
"xmm7");
}
#endif // defined(HAS_TRANSPOSEWX4_32_SSE2)
#if defined(HAS_TRANSPOSEWX8_32_AVX2)
// Transpose 8 rows of 32 bit plane (width multiple of 4) using 4x8 YMM vertical
// tiles in ymm0..ymm7.
void TransposeWx8_32_AVX2(const uint8_t* src,
int src_stride,
uint8_t* dst,
int dst_stride,
int width) {
const ptrdiff_t s = src_stride;
const ptrdiff_t d = dst_stride;
const uint8_t* temp;
asm volatile(
"1: \n"
"vmovdqu (%[src]),%%xmm0 \n"
"vmovdqu (%[src],%[s]),%%xmm1 \n"
"lea (%[src],%[s],2),%[temp] \n"
"vmovdqu (%[temp]),%%xmm2 \n"
"vmovdqu (%[temp],%[s]),%%xmm3 \n"
"lea (%[temp],%[s],2),%[temp] \n"
"vinserti128 $1,(%[temp]),%%ymm0,%%ymm0 \n"
"vinserti128 $1,(%[temp],%[s]),%%ymm1,%%ymm1 \n"
"lea (%[temp],%[s],2),%[temp] \n"
"vinserti128 $1,(%[temp]),%%ymm2,%%ymm2 \n"
"vinserti128 $1,(%[temp],%[s]),%%ymm3,%%ymm3 \n"
"add $0x10,%[src] \n"
// Stage 1: 32-bit unpack across both 128-bit lanes
"vpunpckldq %%ymm1,%%ymm0,%%ymm4 \n"
"vpunpckldq %%ymm3,%%ymm2,%%ymm5 \n"
"vpunpckhdq %%ymm1,%%ymm0,%%ymm6 \n"
"vpunpckhdq %%ymm3,%%ymm2,%%ymm7 \n"
// Stage 2: 64-bit unpack across both 128-bit lanes
"vpunpcklqdq %%ymm5,%%ymm4,%%ymm0 \n"
"vpunpckhqdq %%ymm5,%%ymm4,%%ymm1 \n"
"vpunpcklqdq %%ymm7,%%ymm6,%%ymm2 \n"
"vpunpckhqdq %%ymm7,%%ymm6,%%ymm3 \n"
// Store 4 full 256-bit (32 B) rows = 8 32-bit pixels each
"vmovdqu %%ymm0,(%[dst]) \n"
"vmovdqu %%ymm1,(%[dst],%[d]) \n"
"lea (%[dst],%[d],2),%[dst] \n"
"vmovdqu %%ymm2,(%[dst]) \n"
"vmovdqu %%ymm3,(%[dst],%[d]) \n"
"lea (%[dst],%[d],2),%[dst] \n"
"sub $0x4,%[width] \n"
"jg 1b \n"
"vzeroupper \n"
: [src] "+r"(src), // %[src]
[dst] "+r"(dst), // %[dst]
[width] "+r"(width), // %[width]
[temp] "=&r"(temp) // %[temp]
: [s] "r"(s), // %[s]
[d] "r"(d) // %[d]
: "memory", "cc", "xmm0", "xmm1", "xmm2", "xmm3", "xmm4", "xmm5", "xmm6",
"xmm7");
}
#endif // defined(HAS_TRANSPOSEWX8_32_AVX2)
#if defined(HAS_TRANSPOSEWX16_32_AVX512BW)
// Transpose 16 rows of 32 bit plane (arbitrary width) using 4x16 ZMM vertical
// tiles in zmm0..zmm7 with k1-masked right tail.
void TransposeWx16_32_AVX512BW(const uint8_t* src,
int src_stride,
uint8_t* dst,
int dst_stride,
int width) {
const ptrdiff_t s = src_stride;
const ptrdiff_t d = dst_stride;
const int n = width & ~3;
if (n > 0) {
int cnt = n;
const uint8_t* temp;
asm volatile(
"1: \n"
"vmovdqu (%[src]),%%xmm0 \n"
"vmovdqu (%[src],%[s]),%%xmm1 \n"
"lea (%[src],%[s],2),%[temp] \n"
"vmovdqu (%[temp]),%%xmm2 \n"
"vmovdqu (%[temp],%[s]),%%xmm3 \n"
"lea (%[temp],%[s],2),%[temp] \n"
"vinserti32x4 $1,(%[temp]),%%zmm0,%%zmm0 \n"
"vinserti32x4 $1,(%[temp],%[s]),%%zmm1,%%zmm1 \n"
"lea (%[temp],%[s],2),%[temp] \n"
"vinserti32x4 $1,(%[temp]),%%zmm2,%%zmm2 \n"
"vinserti32x4 $1,(%[temp],%[s]),%%zmm3,%%zmm3 \n"
"lea (%[temp],%[s],2),%[temp] \n"
"vinserti32x4 $2,(%[temp]),%%zmm0,%%zmm0 \n"
"vinserti32x4 $2,(%[temp],%[s]),%%zmm1,%%zmm1 \n"
"lea (%[temp],%[s],2),%[temp] \n"
"vinserti32x4 $2,(%[temp]),%%zmm2,%%zmm2 \n"
"vinserti32x4 $2,(%[temp],%[s]),%%zmm3,%%zmm3 \n"
"lea (%[temp],%[s],2),%[temp] \n"
"vinserti32x4 $3,(%[temp]),%%zmm0,%%zmm0 \n"
"vinserti32x4 $3,(%[temp],%[s]),%%zmm1,%%zmm1 \n"
"lea (%[temp],%[s],2),%[temp] \n"
"vinserti32x4 $3,(%[temp]),%%zmm2,%%zmm2 \n"
"vinserti32x4 $3,(%[temp],%[s]),%%zmm3,%%zmm3 \n"
"add $0x10,%[src] \n"
// Stage 1: 32-bit unpack across all 4 128-bit lanes
"vpunpckldq %%zmm1,%%zmm0,%%zmm4 \n"
"vpunpckldq %%zmm3,%%zmm2,%%zmm5 \n"
"vpunpckhdq %%zmm1,%%zmm0,%%zmm6 \n"
"vpunpckhdq %%zmm3,%%zmm2,%%zmm7 \n"
// Stage 2: 64-bit unpack across all 4 128-bit lanes
"vpunpcklqdq %%zmm5,%%zmm4,%%zmm0 \n"
"vpunpckhqdq %%zmm5,%%zmm4,%%zmm1 \n"
"vpunpcklqdq %%zmm7,%%zmm6,%%zmm2 \n"
"vpunpckhqdq %%zmm7,%%zmm6,%%zmm3 \n"
// Store 4 full 512-bit (64 B) rows = 16 32-bit pixels each
"vmovdqu32 %%zmm0,(%[dst]) \n"
"vmovdqu32 %%zmm1,(%[dst],%[d]) \n"
"lea (%[dst],%[d],2),%[dst] \n"
"vmovdqu32 %%zmm2,(%[dst]) \n"
"vmovdqu32 %%zmm3,(%[dst],%[d]) \n"
"lea (%[dst],%[d],2),%[dst] \n"
"sub $0x4,%[cnt] \n"
"jg 1b \n"
: [src] "+r"(src), // %[src]
[dst] "+r"(dst), // %[dst]
[cnt] "+r"(cnt), // %[cnt]
[temp] "=&r"(temp) // %[temp]
: [s] "r"(s), // %[s]
[d] "r"(d) // %[d]
: "memory", "cc", "xmm0", "xmm1", "xmm2", "xmm3", "xmm4", "xmm5",
"xmm6", "xmm7");
width -= n;
}
if (width > 0) {
const uint32_t col_mask = (1u << width) - 1;
const uint8_t* temp;
asm volatile(
"kmovw %[col_mask],%%k1 \n"
"vmovdqu32 (%[src]),%%xmm0%{%%k1%}%{z%} \n"
"vmovdqu32 (%[src],%[s]),%%xmm1%{%%k1%}%{z%} \n"
"lea (%[src],%[s],2),%[temp] \n"
"vmovdqu32 (%[temp]),%%xmm2%{%%k1%}%{z%} \n"
"vmovdqu32 (%[temp],%[s]),%%xmm3%{%%k1%}%{z%} \n"
"lea (%[temp],%[s],2),%[temp] \n"
"vmovdqu32 (%[temp]),%%xmm8%{%%k1%}%{z%} \n"
"vinserti32x4 $1,%%xmm8,%%zmm0,%%zmm0 \n"
"vmovdqu32 (%[temp],%[s]),%%xmm8%{%%k1%}%{z%} \n"
"vinserti32x4 $1,%%xmm8,%%zmm1,%%zmm1 \n"
"lea (%[temp],%[s],2),%[temp] \n"
"vmovdqu32 (%[temp]),%%xmm8%{%%k1%}%{z%} \n"
"vinserti32x4 $1,%%xmm8,%%zmm2,%%zmm2 \n"
"vmovdqu32 (%[temp],%[s]),%%xmm8%{%%k1%}%{z%} \n"
"vinserti32x4 $1,%%xmm8,%%zmm3,%%zmm3 \n"
"lea (%[temp],%[s],2),%[temp] \n"
"vmovdqu32 (%[temp]),%%xmm8%{%%k1%}%{z%} \n"
"vinserti32x4 $2,%%xmm8,%%zmm0,%%zmm0 \n"
"vmovdqu32 (%[temp],%[s]),%%xmm8%{%%k1%}%{z%} \n"
"vinserti32x4 $2,%%xmm8,%%zmm1,%%zmm1 \n"
"lea (%[temp],%[s],2),%[temp] \n"
"vmovdqu32 (%[temp]),%%xmm8%{%%k1%}%{z%} \n"
"vinserti32x4 $2,%%xmm8,%%zmm2,%%zmm2 \n"
"vmovdqu32 (%[temp],%[s]),%%xmm8%{%%k1%}%{z%} \n"
"vinserti32x4 $2,%%xmm8,%%zmm3,%%zmm3 \n"
"lea (%[temp],%[s],2),%[temp] \n"
"vmovdqu32 (%[temp]),%%xmm8%{%%k1%}%{z%} \n"
"vinserti32x4 $3,%%xmm8,%%zmm0,%%zmm0 \n"
"vmovdqu32 (%[temp],%[s]),%%xmm8%{%%k1%}%{z%} \n"
"vinserti32x4 $3,%%xmm8,%%zmm1,%%zmm1 \n"
"lea (%[temp],%[s],2),%[temp] \n"
"vmovdqu32 (%[temp]),%%xmm8%{%%k1%}%{z%} \n"
"vinserti32x4 $3,%%xmm8,%%zmm2,%%zmm2 \n"
"vmovdqu32 (%[temp],%[s]),%%xmm8%{%%k1%}%{z%} \n"
"vinserti32x4 $3,%%xmm8,%%zmm3,%%zmm3 \n"
"vpunpckldq %%zmm1,%%zmm0,%%zmm4 \n"
"vpunpckldq %%zmm3,%%zmm2,%%zmm5 \n"
"vpunpckhdq %%zmm1,%%zmm0,%%zmm6 \n"
"vpunpckhdq %%zmm3,%%zmm2,%%zmm7 \n"
"vpunpcklqdq %%zmm5,%%zmm4,%%zmm0 \n"
"vpunpckhqdq %%zmm5,%%zmm4,%%zmm1 \n"
"vpunpcklqdq %%zmm7,%%zmm6,%%zmm2 \n"
"vpunpckhqdq %%zmm7,%%zmm6,%%zmm3 \n"
"vmovdqu32 %%zmm0,(%[dst]) \n"
"cmp $1,%[width] \n"
"jle 2f \n"
"vmovdqu32 %%zmm1,(%[dst],%[d]) \n"
"cmp $2,%[width] \n"
"jle 2f \n"
"lea (%[dst],%[d],2),%[dst] \n"
"vmovdqu32 %%zmm2,(%[dst]) \n"
"2: \n"
: [dst] "+r"(dst), // %[dst]
[temp] "=&r"(temp) // %[temp]
: [src] "r"(src), // %[src]
[s] "r"(s), // %[s]
[d] "r"(d), // %[d]
[col_mask] "r"(col_mask), // %[col_mask]
[width] "r"(width) // %[width]
: "memory", "cc", "k1", "xmm0", "xmm1", "xmm2", "xmm3", "xmm4", "xmm5",
"xmm6", "xmm7", "xmm8");
}
asm volatile("vzeroupper \n");
}
#endif // defined(HAS_TRANSPOSEWX16_32_AVX512BW)
#endif // !defined(LIBYUV_DISABLE_X86) && defined(__x86_64__) &&
// !defined(LIBYUV_ENABLE_ROWWIN)
#ifdef __cplusplus
} // extern "C"
} // namespace libyuv
#endif