libyuv/source/rotate_gcc.cc
Frank Barchard 98fa761478 Rotate for AVX512
- TransposeWx16_AVX512BW and TransposeUVWx16_AVX512BW
- tail masking instead of 'Any' to odd source width

I420Rotate90_Opt (LIBYUV_WIDTH=1279 LIBYUV_HEIGHT=719 LIBYUV_REPEAT=1000):
CPU                     Before     After     Speedup
Intel Emerald Rapids    249 ms     182 ms      1.37x
Intel Ice Lake          311 ms     234 ms      1.33x
Intel Granite Rapids    246 ms     186 ms      1.32x
Intel Sapphire Rapids   274 ms     226 ms      1.21x

NV12Rotate90_Opt (LIBYUV_WIDTH=1279 LIBYUV_HEIGHT=719 LIBYUV_REPEAT=1000):
CPU                     Before     After     Speedup
Intel Granite Rapids    263 ms     181 ms      1.45x
Intel Emerald Rapids    257 ms     180 ms      1.43x
Intel Ice Lake          311 ms     233 ms      1.33x
Intel Sapphire Rapids   282 ms     222 ms      1.27x

Bug: None
Change-Id: Ibe0df79275099dc06bf4218484a24732cd7fb9b5
TAG=agy
CONV=bea53b37-b2bf-46fa-9e44-a708b438fabc
Reviewed-on: https://chromium-review.googlesource.com/c/libyuv/libyuv/+/8497726
Reviewed-by: richard winterton <rrwinterton@gmail.com>
2026-10-01 16:38:23 -07:00

745 lines
35 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
// This module is for GCC x86 and x64.
#if !defined(LIBYUV_DISABLE_X86) && \
(defined(__x86_64__) || defined(__i386__)) && \
!defined(LIBYUV_ENABLE_ROWWIN)
#if defined(HAS_TRANSPOSEWX8_SSSE3)
#if defined(__x86_64__)
// 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");
}
#else // defined(__x86_64__)
// Transpose 8x8. 32 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"
"movq (%0),%%xmm0 \n"
"movq (%0,%3),%%xmm1 \n"
"lea (%0,%3,2),%0 \n"
"punpcklbw %%xmm1,%%xmm0 \n"
"movq (%0),%%xmm2 \n"
"movdqa %%xmm0,%%xmm1 \n"
"palignr $0x8,%%xmm1,%%xmm1 \n"
"movq (%0,%3),%%xmm3 \n"
"lea (%0,%3,2),%0 \n"
"punpcklbw %%xmm3,%%xmm2 \n"
"movdqa %%xmm2,%%xmm3 \n"
"movq (%0),%%xmm4 \n"
"palignr $0x8,%%xmm3,%%xmm3 \n"
"movq (%0,%3),%%xmm5 \n"
"lea (%0,%3,2),%0 \n"
"punpcklbw %%xmm5,%%xmm4 \n"
"movdqa %%xmm4,%%xmm5 \n"
"movq (%0),%%xmm6 \n"
"palignr $0x8,%%xmm5,%%xmm5 \n"
"movq (%0,%3),%%xmm7 \n"
"lea (%0,%3,2),%0 \n"
"punpcklbw %%xmm7,%%xmm6 \n"
"neg %3 \n"
"movdqa %%xmm6,%%xmm7 \n"
"lea 0x8(%0,%3,8),%0 \n"
"palignr $0x8,%%xmm7,%%xmm7 \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"
// 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"
"sub $0x8,%2 \n"
"movq %%xmm7,(%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");
}
#endif // defined(__x86_64__)
#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.
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)
// 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_TRANSPOSE4X4_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 Transpose4x4_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_TRANSPOSE4X4_32_SSE2)
#if defined(HAS_TRANSPOSE4X4_32_AVX2)
// Transpose 32 bit values (ARGB)
void Transpose4x4_32_AVX2(const uint8_t* src,
int src_stride,
uint8_t* dst,
int dst_stride,
int width) {
asm volatile(
// Main loop transpose 2 blocks of 4x4. Read a column, write a row.
"1: \n"
"vmovdqu (%0),%%xmm0 \n" // a b c d
"vmovdqu (%0,%3),%%xmm1 \n" // e f g h
"lea (%0,%3,2),%0 \n" // src += stride * 2
"vmovdqu (%0),%%xmm2 \n" // i j k l
"vmovdqu (%0,%3),%%xmm3 \n" // m n o p
"lea (%0,%3,2),%0 \n" // src += stride * 2
"vinserti128 $1,(%0),%%ymm0,%%ymm0 \n" // a b c d
"vinserti128 $1,(%0,%3),%%ymm1,%%ymm1 \n" // e f g h
"lea (%0,%3,2),%0 \n" // src += stride * 2
"vinserti128 $1,(%0),%%ymm2,%%ymm2 \n" // i j k l
"vinserti128 $1,(%0,%3),%%ymm3,%%ymm3 \n" // m n o p
"lea (%0,%3,2),%0 \n" // src += stride * 2
// Transpose 2x2
"vpunpckldq %%ymm1,%%ymm0,%%ymm4 \n" // a e b f from row 0, 1
"vpunpckldq %%ymm3,%%ymm2,%%ymm5 \n" // i m j n from row 2, 3
"vpunpckhdq %%ymm1,%%ymm0,%%ymm6 \n" // c g d h from row 0, 1
"vpunpckhdq %%ymm3,%%ymm2,%%ymm7 \n" // k o l p from row 2, 3
// Transpose 4x4
"vpunpcklqdq %%ymm5,%%ymm4,%%ymm0 \n" // a e i m from row 0, 1
"vpunpckhqdq %%ymm5,%%ymm4,%%ymm1 \n" // b f j n from row 0, 1
"vpunpcklqdq %%ymm7,%%ymm6,%%ymm2 \n" // c g k o from row 2, 3
"vpunpckhqdq %%ymm7,%%ymm6,%%ymm3 \n" // d h l p from row 2, 3
"vmovdqu %%ymm0,(%1) \n"
"lea 32(%1,%4),%1 \n" // dst += stride + 32
"vmovdqu %%ymm1,-32(%1) \n"
"vmovdqu %%ymm2,-32(%1,%4) \n"
"vmovdqu %%ymm3,-32(%1,%4,2) \n"
"sub %4,%1 \n"
"sub $0x8,%2 \n"
"jg 1b \n"
"vzeroupper \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_TRANSPOSE4X4_32_AVX2)
#endif // defined(__x86_64__) || defined(__i386__)
#ifdef __cplusplus
} // extern "C"
} // namespace libyuv
#endif