| /* |
| * 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__)) |
| |
| // Transpose 8x8. 32 or 64 bit, but not NaCL for 64 bit. |
| #if defined(HAS_TRANSPOSEWX8_SSSE3) |
| 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"((intptr_t)(src_stride)), // %3 |
| "r"((intptr_t)(dst_stride)) // %4 |
| : "memory", "cc", "xmm0", "xmm1", "xmm2", "xmm3", "xmm4", "xmm5", "xmm6", |
| "xmm7"); |
| } |
| #endif // defined(HAS_TRANSPOSEWX8_SSSE3) |
| |
| // Transpose 16x8. 64 bit |
| #if defined(HAS_TRANSPOSEWX8_FAST_SSSE3) |
| void TransposeWx8_Fast_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"((intptr_t)(src_stride)), // %3 |
| "r"((intptr_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_FAST_SSSE3) |
| |
| // 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"((intptr_t)(src_stride)), // %4 |
| "r"((intptr_t)(dst_stride_a)), // %5 |
| "r"((intptr_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 |
