| /* |
| * Copyright 2013 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/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__)) |
| |
| // Offsets for source bytes 0 to 9 |
| static uvec8 kShuf0 = |
| { 0, 1, 3, 4, 5, 7, 8, 9, 128, 128, 128, 128, 128, 128, 128, 128 }; |
| |
| // Offsets for source bytes 11 to 20 with 8 subtracted = 3 to 12. |
| static uvec8 kShuf1 = |
| { 3, 4, 5, 7, 8, 9, 11, 12, 128, 128, 128, 128, 128, 128, 128, 128 }; |
| |
| // Offsets for source bytes 21 to 31 with 16 subtracted = 5 to 31. |
| static uvec8 kShuf2 = |
| { 5, 7, 8, 9, 11, 12, 13, 15, 128, 128, 128, 128, 128, 128, 128, 128 }; |
| |
| // Offsets for source bytes 0 to 10 |
| static uvec8 kShuf01 = |
| { 0, 1, 1, 2, 2, 3, 4, 5, 5, 6, 6, 7, 8, 9, 9, 10 }; |
| |
| // Offsets for source bytes 10 to 21 with 8 subtracted = 3 to 13. |
| static uvec8 kShuf11 = |
| { 2, 3, 4, 5, 5, 6, 6, 7, 8, 9, 9, 10, 10, 11, 12, 13 }; |
| |
| // Offsets for source bytes 21 to 31 with 16 subtracted = 5 to 31. |
| static uvec8 kShuf21 = |
| { 5, 6, 6, 7, 8, 9, 9, 10, 10, 11, 12, 13, 13, 14, 14, 15 }; |
| |
| // Coefficients for source bytes 0 to 10 |
| static uvec8 kMadd01 = |
| { 3, 1, 2, 2, 1, 3, 3, 1, 2, 2, 1, 3, 3, 1, 2, 2 }; |
| |
| // Coefficients for source bytes 10 to 21 |
| static uvec8 kMadd11 = |
| { 1, 3, 3, 1, 2, 2, 1, 3, 3, 1, 2, 2, 1, 3, 3, 1 }; |
| |
| // Coefficients for source bytes 21 to 31 |
| static uvec8 kMadd21 = |
| { 2, 2, 1, 3, 3, 1, 2, 2, 1, 3, 3, 1, 2, 2, 1, 3 }; |
| |
| // Coefficients for source bytes 21 to 31 |
| static vec16 kRound34 = |
| { 2, 2, 2, 2, 2, 2, 2, 2 }; |
| |
| static uvec8 kShuf38a = |
| { 0, 3, 6, 8, 11, 14, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128 }; |
| |
| static uvec8 kShuf38b = |
| { 128, 128, 128, 128, 128, 128, 0, 3, 6, 8, 11, 14, 128, 128, 128, 128 }; |
| |
| // Arrange words 0,3,6 into 0,1,2 |
| static uvec8 kShufAc = |
| { 0, 1, 6, 7, 12, 13, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128 }; |
| |
| // Arrange words 0,3,6 into 3,4,5 |
| static uvec8 kShufAc3 = |
| { 128, 128, 128, 128, 128, 128, 0, 1, 6, 7, 12, 13, 128, 128, 128, 128 }; |
| |
| // Scaling values for boxes of 3x3 and 2x3 |
| static uvec16 kScaleAc33 = |
| { 65536 / 9, 65536 / 9, 65536 / 6, 65536 / 9, 65536 / 9, 65536 / 6, 0, 0 }; |
| |
| // Arrange first value for pixels 0,1,2,3,4,5 |
| static uvec8 kShufAb0 = |
| { 0, 128, 3, 128, 6, 128, 8, 128, 11, 128, 14, 128, 128, 128, 128, 128 }; |
| |
| // Arrange second value for pixels 0,1,2,3,4,5 |
| static uvec8 kShufAb1 = |
| { 1, 128, 4, 128, 7, 128, 9, 128, 12, 128, 15, 128, 128, 128, 128, 128 }; |
| |
| // Arrange third value for pixels 0,1,2,3,4,5 |
| static uvec8 kShufAb2 = |
| { 2, 128, 5, 128, 128, 128, 10, 128, 13, 128, 128, 128, 128, 128, 128, 128 }; |
| |
| // Scaling values for boxes of 3x2 and 2x2 |
| static uvec16 kScaleAb2 = |
| { 65536 / 3, 65536 / 3, 65536 / 2, 65536 / 3, 65536 / 3, 65536 / 2, 0, 0 }; |
| |
| // GCC versions of row functions are verbatim conversions from Visual C. |
| // Generated using gcc disassembly on Visual C object file: |
| // objdump -D yuvscaler.obj >yuvscaler.txt |
| |
| void ScaleRowDown2_SSE2(const uint8* src_ptr, ptrdiff_t src_stride, |
| uint8* dst_ptr, int dst_width) { |
| asm volatile ( |
| LABELALIGN |
| "1: \n" |
| "movdqu " MEMACCESS(0) ",%%xmm0 \n" |
| "movdqu " MEMACCESS2(0x10,0) ",%%xmm1 \n" |
| "lea " MEMLEA(0x20,0) ",%0 \n" |
| "psrlw $0x8,%%xmm0 \n" |
| "psrlw $0x8,%%xmm1 \n" |
| "packuswb %%xmm1,%%xmm0 \n" |
| "movdqu %%xmm0," MEMACCESS(1) " \n" |
| "lea " MEMLEA(0x10,1) ",%1 \n" |
| "sub $0x10,%2 \n" |
| "jg 1b \n" |
| : "+r"(src_ptr), // %0 |
| "+r"(dst_ptr), // %1 |
| "+r"(dst_width) // %2 |
| :: "memory", "cc", "xmm0", "xmm1" |
| ); |
| } |
| |
| void ScaleRowDown2Linear_SSE2(const uint8* src_ptr, ptrdiff_t src_stride, |
| uint8* dst_ptr, int dst_width) { |
| asm volatile ( |
| "pcmpeqb %%xmm5,%%xmm5 \n" |
| "psrlw $0x8,%%xmm5 \n" |
| |
| LABELALIGN |
| "1: \n" |
| "movdqu " MEMACCESS(0) ",%%xmm0 \n" |
| "movdqu " MEMACCESS2(0x10, 0) ",%%xmm1 \n" |
| "lea " MEMLEA(0x20,0) ",%0 \n" |
| "movdqa %%xmm0,%%xmm2 \n" |
| "psrlw $0x8,%%xmm0 \n" |
| "movdqa %%xmm1,%%xmm3 \n" |
| "psrlw $0x8,%%xmm1 \n" |
| "pand %%xmm5,%%xmm2 \n" |
| "pand %%xmm5,%%xmm3 \n" |
| "pavgw %%xmm2,%%xmm0 \n" |
| "pavgw %%xmm3,%%xmm1 \n" |
| "packuswb %%xmm1,%%xmm0 \n" |
| "movdqu %%xmm0," MEMACCESS(1) " \n" |
| "lea " MEMLEA(0x10,1) ",%1 \n" |
| "sub $0x10,%2 \n" |
| "jg 1b \n" |
| : "+r"(src_ptr), // %0 |
| "+r"(dst_ptr), // %1 |
| "+r"(dst_width) // %2 |
| :: "memory", "cc", "xmm0", "xmm1", "xmm5" |
| ); |
| } |
| |
| void ScaleRowDown2Box_SSE2(const uint8* src_ptr, ptrdiff_t src_stride, |
| uint8* dst_ptr, int dst_width) { |
| asm volatile ( |
| "pcmpeqb %%xmm5,%%xmm5 \n" |
| "psrlw $0x8,%%xmm5 \n" |
| |
| LABELALIGN |
| "1: \n" |
| "movdqu " MEMACCESS(0) ",%%xmm0 \n" |
| "movdqu " MEMACCESS2(0x10,0) ",%%xmm1 \n" |
| MEMOPREG(movdqu,0x00,0,3,1,xmm2) // movdqu (%0,%3,1),%%xmm2 |
| MEMOPREG(movdqu,0x10,0,3,1,xmm3) // movdqu 0x10(%0,%3,1),%%xmm3 |
| "lea " MEMLEA(0x20,0) ",%0 \n" |
| "pavgb %%xmm2,%%xmm0 \n" |
| "pavgb %%xmm3,%%xmm1 \n" |
| "movdqa %%xmm0,%%xmm2 \n" |
| "psrlw $0x8,%%xmm0 \n" |
| "movdqa %%xmm1,%%xmm3 \n" |
| "psrlw $0x8,%%xmm1 \n" |
| "pand %%xmm5,%%xmm2 \n" |
| "pand %%xmm5,%%xmm3 \n" |
| "pavgw %%xmm2,%%xmm0 \n" |
| "pavgw %%xmm3,%%xmm1 \n" |
| "packuswb %%xmm1,%%xmm0 \n" |
| "movdqu %%xmm0," MEMACCESS(1) " \n" |
| "lea " MEMLEA(0x10,1) ",%1 \n" |
| "sub $0x10,%2 \n" |
| "jg 1b \n" |
| : "+r"(src_ptr), // %0 |
| "+r"(dst_ptr), // %1 |
| "+r"(dst_width) // %2 |
| : "r"((intptr_t)(src_stride)) // %3 |
| : "memory", "cc", NACL_R14 |
| "xmm0", "xmm1", "xmm2", "xmm3", "xmm5" |
| ); |
| } |
| |
| void ScaleRowDown4_SSE2(const uint8* src_ptr, ptrdiff_t src_stride, |
| uint8* dst_ptr, int dst_width) { |
| asm volatile ( |
| "pcmpeqb %%xmm5,%%xmm5 \n" |
| "psrld $0x18,%%xmm5 \n" |
| "pslld $0x10,%%xmm5 \n" |
| |
| LABELALIGN |
| "1: \n" |
| "movdqu " MEMACCESS(0) ",%%xmm0 \n" |
| "movdqu " MEMACCESS2(0x10,0) ",%%xmm1 \n" |
| "lea " MEMLEA(0x20,0) ",%0 \n" |
| "pand %%xmm5,%%xmm0 \n" |
| "pand %%xmm5,%%xmm1 \n" |
| "packuswb %%xmm1,%%xmm0 \n" |
| "psrlw $0x8,%%xmm0 \n" |
| "packuswb %%xmm0,%%xmm0 \n" |
| "movq %%xmm0," MEMACCESS(1) " \n" |
| "lea " MEMLEA(0x8,1) ",%1 \n" |
| "sub $0x8,%2 \n" |
| "jg 1b \n" |
| : "+r"(src_ptr), // %0 |
| "+r"(dst_ptr), // %1 |
| "+r"(dst_width) // %2 |
| :: "memory", "cc", "xmm0", "xmm1", "xmm5" |
| ); |
| } |
| |
| void ScaleRowDown4Box_SSE2(const uint8* src_ptr, ptrdiff_t src_stride, |
| uint8* dst_ptr, int dst_width) { |
| intptr_t stridex3 = 0; |
| asm volatile ( |
| "pcmpeqb %%xmm7,%%xmm7 \n" |
| "psrlw $0x8,%%xmm7 \n" |
| "lea " MEMLEA4(0x00,4,4,2) ",%3 \n" |
| |
| LABELALIGN |
| "1: \n" |
| "movdqu " MEMACCESS(0) ",%%xmm0 \n" |
| "movdqu " MEMACCESS2(0x10,0) ",%%xmm1 \n" |
| MEMOPREG(movdqu,0x00,0,4,1,xmm2) // movdqu (%0,%4,1),%%xmm2 |
| MEMOPREG(movdqu,0x10,0,4,1,xmm3) // movdqu 0x10(%0,%4,1),%%xmm3 |
| "pavgb %%xmm2,%%xmm0 \n" |
| "pavgb %%xmm3,%%xmm1 \n" |
| MEMOPREG(movdqu,0x00,0,4,2,xmm2) // movdqu (%0,%4,2),%%xmm2 |
| MEMOPREG(movdqu,0x10,0,4,2,xmm3) // movdqu 0x10(%0,%4,2),%%xmm3 |
| MEMOPREG(movdqu,0x00,0,3,1,xmm4) // movdqu (%0,%3,1),%%xmm4 |
| MEMOPREG(movdqu,0x10,0,3,1,xmm5) // movdqu 0x10(%0,%3,1),%%xmm5 |
| "lea " MEMLEA(0x20,0) ",%0 \n" |
| "pavgb %%xmm4,%%xmm2 \n" |
| "pavgb %%xmm2,%%xmm0 \n" |
| "pavgb %%xmm5,%%xmm3 \n" |
| "pavgb %%xmm3,%%xmm1 \n" |
| "movdqa %%xmm0,%%xmm2 \n" |
| "psrlw $0x8,%%xmm0 \n" |
| "movdqa %%xmm1,%%xmm3 \n" |
| "psrlw $0x8,%%xmm1 \n" |
| "pand %%xmm7,%%xmm2 \n" |
| "pand %%xmm7,%%xmm3 \n" |
| "pavgw %%xmm2,%%xmm0 \n" |
| "pavgw %%xmm3,%%xmm1 \n" |
| "packuswb %%xmm1,%%xmm0 \n" |
| "movdqa %%xmm0,%%xmm2 \n" |
| "psrlw $0x8,%%xmm0 \n" |
| "pand %%xmm7,%%xmm2 \n" |
| "pavgw %%xmm2,%%xmm0 \n" |
| "packuswb %%xmm0,%%xmm0 \n" |
| "movq %%xmm0," MEMACCESS(1) " \n" |
| "lea " MEMLEA(0x8,1) ",%1 \n" |
| "sub $0x8,%2 \n" |
| "jg 1b \n" |
| : "+r"(src_ptr), // %0 |
| "+r"(dst_ptr), // %1 |
| "+r"(dst_width), // %2 |
| "+r"(stridex3) // %3 |
| : "r"((intptr_t)(src_stride)) // %4 |
| : "memory", "cc", NACL_R14 |
| "xmm0", "xmm1", "xmm2", "xmm3", "xmm4", "xmm5", "xmm7" |
| ); |
| } |
| |
| void ScaleRowDown34_SSSE3(const uint8* src_ptr, ptrdiff_t src_stride, |
| uint8* dst_ptr, int dst_width) { |
| asm volatile ( |
| "movdqa %0,%%xmm3 \n" |
| "movdqa %1,%%xmm4 \n" |
| "movdqa %2,%%xmm5 \n" |
| : |
| : "m"(kShuf0), // %0 |
| "m"(kShuf1), // %1 |
| "m"(kShuf2) // %2 |
| ); |
| asm volatile ( |
| LABELALIGN |
| "1: \n" |
| "movdqu " MEMACCESS(0) ",%%xmm0 \n" |
| "movdqu " MEMACCESS2(0x10,0) ",%%xmm2 \n" |
| "lea " MEMLEA(0x20,0) ",%0 \n" |
| "movdqa %%xmm2,%%xmm1 \n" |
| "palignr $0x8,%%xmm0,%%xmm1 \n" |
| "pshufb %%xmm3,%%xmm0 \n" |
| "pshufb %%xmm4,%%xmm1 \n" |
| "pshufb %%xmm5,%%xmm2 \n" |
| "movq %%xmm0," MEMACCESS(1) " \n" |
| "movq %%xmm1," MEMACCESS2(0x8,1) " \n" |
| "movq %%xmm2," MEMACCESS2(0x10,1) " \n" |
| "lea " MEMLEA(0x18,1) ",%1 \n" |
| "sub $0x18,%2 \n" |
| "jg 1b \n" |
| : "+r"(src_ptr), // %0 |
| "+r"(dst_ptr), // %1 |
| "+r"(dst_width) // %2 |
| :: "memory", "cc", "xmm0", "xmm1", "xmm2", "xmm3", "xmm4", "xmm5" |
| ); |
| } |
| |
| void ScaleRowDown34_1_Box_SSSE3(const uint8* src_ptr, |
| ptrdiff_t src_stride, |
| uint8* dst_ptr, int dst_width) { |
| asm volatile ( |
| "movdqa %0,%%xmm2 \n" // kShuf01 |
| "movdqa %1,%%xmm3 \n" // kShuf11 |
| "movdqa %2,%%xmm4 \n" // kShuf21 |
| : |
| : "m"(kShuf01), // %0 |
| "m"(kShuf11), // %1 |
| "m"(kShuf21) // %2 |
| ); |
| asm volatile ( |
| "movdqa %0,%%xmm5 \n" // kMadd01 |
| "movdqa %1,%%xmm0 \n" // kMadd11 |
| "movdqa %2,%%xmm1 \n" // kRound34 |
| : |
| : "m"(kMadd01), // %0 |
| "m"(kMadd11), // %1 |
| "m"(kRound34) // %2 |
| ); |
| asm volatile ( |
| LABELALIGN |
| "1: \n" |
| "movdqu " MEMACCESS(0) ",%%xmm6 \n" |
| MEMOPREG(movdqu,0x00,0,3,1,xmm7) // movdqu (%0,%3),%%xmm7 |
| "pavgb %%xmm7,%%xmm6 \n" |
| "pshufb %%xmm2,%%xmm6 \n" |
| "pmaddubsw %%xmm5,%%xmm6 \n" |
| "paddsw %%xmm1,%%xmm6 \n" |
| "psrlw $0x2,%%xmm6 \n" |
| "packuswb %%xmm6,%%xmm6 \n" |
| "movq %%xmm6," MEMACCESS(1) " \n" |
| "movdqu " MEMACCESS2(0x8,0) ",%%xmm6 \n" |
| MEMOPREG(movdqu,0x8,0,3,1,xmm7) // movdqu 0x8(%0,%3),%%xmm7 |
| "pavgb %%xmm7,%%xmm6 \n" |
| "pshufb %%xmm3,%%xmm6 \n" |
| "pmaddubsw %%xmm0,%%xmm6 \n" |
| "paddsw %%xmm1,%%xmm6 \n" |
| "psrlw $0x2,%%xmm6 \n" |
| "packuswb %%xmm6,%%xmm6 \n" |
| "movq %%xmm6," MEMACCESS2(0x8,1) " \n" |
| "movdqu " MEMACCESS2(0x10,0) ",%%xmm6 \n" |
| MEMOPREG(movdqu,0x10,0,3,1,xmm7) // movdqu 0x10(%0,%3),%%xmm7 |
| "lea " MEMLEA(0x20,0) ",%0 \n" |
| "pavgb %%xmm7,%%xmm6 \n" |
| "pshufb %%xmm4,%%xmm6 \n" |
| "pmaddubsw %4,%%xmm6 \n" |
| "paddsw %%xmm1,%%xmm6 \n" |
| "psrlw $0x2,%%xmm6 \n" |
| "packuswb %%xmm6,%%xmm6 \n" |
| "movq %%xmm6," MEMACCESS2(0x10,1) " \n" |
| "lea " MEMLEA(0x18,1) ",%1 \n" |
| "sub $0x18,%2 \n" |
| "jg 1b \n" |
| : "+r"(src_ptr), // %0 |
| "+r"(dst_ptr), // %1 |
| "+r"(dst_width) // %2 |
| : "r"((intptr_t)(src_stride)), // %3 |
| "m"(kMadd21) // %4 |
| : "memory", "cc", NACL_R14 |
| "xmm0", "xmm1", "xmm2", "xmm3", "xmm4", "xmm5", "xmm6", "xmm7" |
| ); |
| } |
| |
| void ScaleRowDown34_0_Box_SSSE3(const uint8* src_ptr, |
| ptrdiff_t src_stride, |
| uint8* dst_ptr, int dst_width) { |
| asm volatile ( |
| "movdqa %0,%%xmm2 \n" // kShuf01 |
| "movdqa %1,%%xmm3 \n" // kShuf11 |
| "movdqa %2,%%xmm4 \n" // kShuf21 |
| : |
| : "m"(kShuf01), // %0 |
| "m"(kShuf11), // %1 |
| "m"(kShuf21) // %2 |
| ); |
| asm volatile ( |
| "movdqa %0,%%xmm5 \n" // kMadd01 |
| "movdqa %1,%%xmm0 \n" // kMadd11 |
| "movdqa %2,%%xmm1 \n" // kRound34 |
| : |
| : "m"(kMadd01), // %0 |
| "m"(kMadd11), // %1 |
| "m"(kRound34) // %2 |
| ); |
| |
| asm volatile ( |
| LABELALIGN |
| "1: \n" |
| "movdqu " MEMACCESS(0) ",%%xmm6 \n" |
| MEMOPREG(movdqu,0x00,0,3,1,xmm7) // movdqu (%0,%3,1),%%xmm7 |
| "pavgb %%xmm6,%%xmm7 \n" |
| "pavgb %%xmm7,%%xmm6 \n" |
| "pshufb %%xmm2,%%xmm6 \n" |
| "pmaddubsw %%xmm5,%%xmm6 \n" |
| "paddsw %%xmm1,%%xmm6 \n" |
| "psrlw $0x2,%%xmm6 \n" |
| "packuswb %%xmm6,%%xmm6 \n" |
| "movq %%xmm6," MEMACCESS(1) " \n" |
| "movdqu " MEMACCESS2(0x8,0) ",%%xmm6 \n" |
| MEMOPREG(movdqu,0x8,0,3,1,xmm7) // movdqu 0x8(%0,%3,1),%%xmm7 |
| "pavgb %%xmm6,%%xmm7 \n" |
| "pavgb %%xmm7,%%xmm6 \n" |
| "pshufb %%xmm3,%%xmm6 \n" |
| "pmaddubsw %%xmm0,%%xmm6 \n" |
| "paddsw %%xmm1,%%xmm6 \n" |
| "psrlw $0x2,%%xmm6 \n" |
| "packuswb %%xmm6,%%xmm6 \n" |
| "movq %%xmm6," MEMACCESS2(0x8,1) " \n" |
| "movdqu " MEMACCESS2(0x10,0) ",%%xmm6 \n" |
| MEMOPREG(movdqu,0x10,0,3,1,xmm7) // movdqu 0x10(%0,%3,1),%%xmm7 |
| "lea " MEMLEA(0x20,0) ",%0 \n" |
| "pavgb %%xmm6,%%xmm7 \n" |
| "pavgb %%xmm7,%%xmm6 \n" |
| "pshufb %%xmm4,%%xmm6 \n" |
| "pmaddubsw %4,%%xmm6 \n" |
| "paddsw %%xmm1,%%xmm6 \n" |
| "psrlw $0x2,%%xmm6 \n" |
| "packuswb %%xmm6,%%xmm6 \n" |
| "movq %%xmm6," MEMACCESS2(0x10,1) " \n" |
| "lea " MEMLEA(0x18,1) ",%1 \n" |
| "sub $0x18,%2 \n" |
| "jg 1b \n" |
| : "+r"(src_ptr), // %0 |
| "+r"(dst_ptr), // %1 |
| "+r"(dst_width) // %2 |
| : "r"((intptr_t)(src_stride)), // %3 |
| "m"(kMadd21) // %4 |
| : "memory", "cc", NACL_R14 |
| "xmm0", "xmm1", "xmm2", "xmm3", "xmm4", "xmm5", "xmm6", "xmm7" |
| ); |
| } |
| |
| void ScaleRowDown38_SSSE3(const uint8* src_ptr, ptrdiff_t src_stride, |
| uint8* dst_ptr, int dst_width) { |
| asm volatile ( |
| "movdqa %3,%%xmm4 \n" |
| "movdqa %4,%%xmm5 \n" |
| |
| LABELALIGN |
| "1: \n" |
| "movdqu " MEMACCESS(0) ",%%xmm0 \n" |
| "movdqu " MEMACCESS2(0x10,0) ",%%xmm1 \n" |
| "lea " MEMLEA(0x20,0) ",%0 \n" |
| "pshufb %%xmm4,%%xmm0 \n" |
| "pshufb %%xmm5,%%xmm1 \n" |
| "paddusb %%xmm1,%%xmm0 \n" |
| "movq %%xmm0," MEMACCESS(1) " \n" |
| "movhlps %%xmm0,%%xmm1 \n" |
| "movd %%xmm1," MEMACCESS2(0x8,1) " \n" |
| "lea " MEMLEA(0xc,1) ",%1 \n" |
| "sub $0xc,%2 \n" |
| "jg 1b \n" |
| : "+r"(src_ptr), // %0 |
| "+r"(dst_ptr), // %1 |
| "+r"(dst_width) // %2 |
| : "m"(kShuf38a), // %3 |
| "m"(kShuf38b) // %4 |
| : "memory", "cc", "xmm0", "xmm1", "xmm4", "xmm5" |
| ); |
| } |
| |
| void ScaleRowDown38_2_Box_SSSE3(const uint8* src_ptr, |
| ptrdiff_t src_stride, |
| uint8* dst_ptr, int dst_width) { |
| asm volatile ( |
| "movdqa %0,%%xmm2 \n" |
| "movdqa %1,%%xmm3 \n" |
| "movdqa %2,%%xmm4 \n" |
| "movdqa %3,%%xmm5 \n" |
| : |
| : "m"(kShufAb0), // %0 |
| "m"(kShufAb1), // %1 |
| "m"(kShufAb2), // %2 |
| "m"(kScaleAb2) // %3 |
| ); |
| asm volatile ( |
| LABELALIGN |
| "1: \n" |
| "movdqu " MEMACCESS(0) ",%%xmm0 \n" |
| MEMOPREG(movdqu,0x00,0,3,1,xmm1) // movdqu (%0,%3,1),%%xmm1 |
| "lea " MEMLEA(0x10,0) ",%0 \n" |
| "pavgb %%xmm1,%%xmm0 \n" |
| "movdqa %%xmm0,%%xmm1 \n" |
| "pshufb %%xmm2,%%xmm1 \n" |
| "movdqa %%xmm0,%%xmm6 \n" |
| "pshufb %%xmm3,%%xmm6 \n" |
| "paddusw %%xmm6,%%xmm1 \n" |
| "pshufb %%xmm4,%%xmm0 \n" |
| "paddusw %%xmm0,%%xmm1 \n" |
| "pmulhuw %%xmm5,%%xmm1 \n" |
| "packuswb %%xmm1,%%xmm1 \n" |
| "movd %%xmm1," MEMACCESS(1) " \n" |
| "psrlq $0x10,%%xmm1 \n" |
| "movd %%xmm1," MEMACCESS2(0x2,1) " \n" |
| "lea " MEMLEA(0x6,1) ",%1 \n" |
| "sub $0x6,%2 \n" |
| "jg 1b \n" |
| : "+r"(src_ptr), // %0 |
| "+r"(dst_ptr), // %1 |
| "+r"(dst_width) // %2 |
| : "r"((intptr_t)(src_stride)) // %3 |
| : "memory", "cc", NACL_R14 |
| "xmm0", "xmm1", "xmm2", "xmm3", "xmm4", "xmm5", "xmm6" |
| ); |
| } |
| |
| void ScaleRowDown38_3_Box_SSSE3(const uint8* src_ptr, |
| ptrdiff_t src_stride, |
| uint8* dst_ptr, int dst_width) { |
| asm volatile ( |
| "movdqa %0,%%xmm2 \n" |
| "movdqa %1,%%xmm3 \n" |
| "movdqa %2,%%xmm4 \n" |
| "pxor %%xmm5,%%xmm5 \n" |
| : |
| : "m"(kShufAc), // %0 |
| "m"(kShufAc3), // %1 |
| "m"(kScaleAc33) // %2 |
| ); |
| asm volatile ( |
| LABELALIGN |
| "1: \n" |
| "movdqu " MEMACCESS(0) ",%%xmm0 \n" |
| MEMOPREG(movdqu,0x00,0,3,1,xmm6) // movdqu (%0,%3,1),%%xmm6 |
| "movhlps %%xmm0,%%xmm1 \n" |
| "movhlps %%xmm6,%%xmm7 \n" |
| "punpcklbw %%xmm5,%%xmm0 \n" |
| "punpcklbw %%xmm5,%%xmm1 \n" |
| "punpcklbw %%xmm5,%%xmm6 \n" |
| "punpcklbw %%xmm5,%%xmm7 \n" |
| "paddusw %%xmm6,%%xmm0 \n" |
| "paddusw %%xmm7,%%xmm1 \n" |
| MEMOPREG(movdqu,0x00,0,3,2,xmm6) // movdqu (%0,%3,2),%%xmm6 |
| "lea " MEMLEA(0x10,0) ",%0 \n" |
| "movhlps %%xmm6,%%xmm7 \n" |
| "punpcklbw %%xmm5,%%xmm6 \n" |
| "punpcklbw %%xmm5,%%xmm7 \n" |
| "paddusw %%xmm6,%%xmm0 \n" |
| "paddusw %%xmm7,%%xmm1 \n" |
| "movdqa %%xmm0,%%xmm6 \n" |
| "psrldq $0x2,%%xmm0 \n" |
| "paddusw %%xmm0,%%xmm6 \n" |
| "psrldq $0x2,%%xmm0 \n" |
| "paddusw %%xmm0,%%xmm6 \n" |
| "pshufb %%xmm2,%%xmm6 \n" |
| "movdqa %%xmm1,%%xmm7 \n" |
| "psrldq $0x2,%%xmm1 \n" |
| "paddusw %%xmm1,%%xmm7 \n" |
| "psrldq $0x2,%%xmm1 \n" |
| "paddusw %%xmm1,%%xmm7 \n" |
| "pshufb %%xmm3,%%xmm7 \n" |
| "paddusw %%xmm7,%%xmm6 \n" |
| "pmulhuw %%xmm4,%%xmm6 \n" |
| "packuswb %%xmm6,%%xmm6 \n" |
| "movd %%xmm6," MEMACCESS(1) " \n" |
| "psrlq $0x10,%%xmm6 \n" |
| "movd %%xmm6," MEMACCESS2(0x2,1) " \n" |
| "lea " MEMLEA(0x6,1) ",%1 \n" |
| "sub $0x6,%2 \n" |
| "jg 1b \n" |
| : "+r"(src_ptr), // %0 |
| "+r"(dst_ptr), // %1 |
| "+r"(dst_width) // %2 |
| : "r"((intptr_t)(src_stride)) // %3 |
| : "memory", "cc", NACL_R14 |
| "xmm0", "xmm1", "xmm2", "xmm3", "xmm4", "xmm5", "xmm6", "xmm7" |
| ); |
| } |
| |
| // Reads 16xN bytes and produces 16 shorts at a time. |
| void ScaleAddRows_SSE2(const uint8* src_ptr, ptrdiff_t src_stride, |
| uint16* dst_ptr, int src_width, int src_height) { |
| int tmp_height = 0; |
| intptr_t tmp_src = 0; |
| asm volatile ( |
| "mov %0,%3 \n" // row pointer |
| "mov %5,%2 \n" // height |
| "pxor %%xmm0,%%xmm0 \n" // clear accumulators |
| "pxor %%xmm1,%%xmm1 \n" |
| "pxor %%xmm4,%%xmm4 \n" |
| |
| LABELALIGN |
| "1: \n" |
| "movdqu " MEMACCESS(3) ",%%xmm2 \n" |
| "add %6,%3 \n" |
| "movdqa %%xmm2,%%xmm3 \n" |
| "punpcklbw %%xmm4,%%xmm2 \n" |
| "punpckhbw %%xmm4,%%xmm3 \n" |
| "paddusw %%xmm2,%%xmm0 \n" |
| "paddusw %%xmm3,%%xmm1 \n" |
| "sub $0x1,%2 \n" |
| "jg 1b \n" |
| |
| "movdqu %%xmm0," MEMACCESS(1) " \n" |
| "movdqu %%xmm1," MEMACCESS2(0x10,1) " \n" |
| "lea " MEMLEA(0x20,1) ",%1 \n" |
| "lea " MEMLEA(0x10,0) ",%0 \n" // src_ptr += 16 |
| "mov %0,%3 \n" // row pointer |
| "mov %5,%2 \n" // height |
| "pxor %%xmm0,%%xmm0 \n" // clear accumulators |
| "pxor %%xmm1,%%xmm1 \n" |
| "sub $0x10,%4 \n" |
| "jg 1b \n" |
| : "+r"(src_ptr), // %0 |
| "+r"(dst_ptr), // %1 |
| "+r"(tmp_height), // %2 |
| "+r"(tmp_src), // %3 |
| "+r"(src_width), // %4 |
| "+rm"(src_height) // %5 |
| : "rm"((intptr_t)(src_stride)) // %6 |
| : "memory", "cc", "xmm0", "xmm1", "xmm2", "xmm3", "xmm4" |
| ); |
| } |
| |
| // Bilinear column filtering. SSSE3 version. |
| void ScaleFilterCols_SSSE3(uint8* dst_ptr, const uint8* src_ptr, |
| int dst_width, int x, int dx) { |
| intptr_t x0 = 0, x1 = 0, temp_pixel = 0; |
| asm volatile ( |
| "movd %6,%%xmm2 \n" |
| "movd %7,%%xmm3 \n" |
| "movl $0x04040000,%k2 \n" |
| "movd %k2,%%xmm5 \n" |
| "pcmpeqb %%xmm6,%%xmm6 \n" |
| "psrlw $0x9,%%xmm6 \n" |
| "pextrw $0x1,%%xmm2,%k3 \n" |
| "subl $0x2,%5 \n" |
| "jl 29f \n" |
| "movdqa %%xmm2,%%xmm0 \n" |
| "paddd %%xmm3,%%xmm0 \n" |
| "punpckldq %%xmm0,%%xmm2 \n" |
| "punpckldq %%xmm3,%%xmm3 \n" |
| "paddd %%xmm3,%%xmm3 \n" |
| "pextrw $0x3,%%xmm2,%k4 \n" |
| |
| LABELALIGN |
| "2: \n" |
| "movdqa %%xmm2,%%xmm1 \n" |
| "paddd %%xmm3,%%xmm2 \n" |
| MEMOPARG(movzwl,0x00,1,3,1,k2) // movzwl (%1,%3,1),%k2 |
| "movd %k2,%%xmm0 \n" |
| "psrlw $0x9,%%xmm1 \n" |
| MEMOPARG(movzwl,0x00,1,4,1,k2) // movzwl (%1,%4,1),%k2 |
| "movd %k2,%%xmm4 \n" |
| "pshufb %%xmm5,%%xmm1 \n" |
| "punpcklwd %%xmm4,%%xmm0 \n" |
| "pxor %%xmm6,%%xmm1 \n" |
| "pmaddubsw %%xmm1,%%xmm0 \n" |
| "pextrw $0x1,%%xmm2,%k3 \n" |
| "pextrw $0x3,%%xmm2,%k4 \n" |
| "psrlw $0x7,%%xmm0 \n" |
| "packuswb %%xmm0,%%xmm0 \n" |
| "movd %%xmm0,%k2 \n" |
| "mov %w2," MEMACCESS(0) " \n" |
| "lea " MEMLEA(0x2,0) ",%0 \n" |
| "sub $0x2,%5 \n" |
| "jge 2b \n" |
| |
| LABELALIGN |
| "29: \n" |
| "addl $0x1,%5 \n" |
| "jl 99f \n" |
| MEMOPARG(movzwl,0x00,1,3,1,k2) // movzwl (%1,%3,1),%k2 |
| "movd %k2,%%xmm0 \n" |
| "psrlw $0x9,%%xmm2 \n" |
| "pshufb %%xmm5,%%xmm2 \n" |
| "pxor %%xmm6,%%xmm2 \n" |
| "pmaddubsw %%xmm2,%%xmm0 \n" |
| "psrlw $0x7,%%xmm0 \n" |
| "packuswb %%xmm0,%%xmm0 \n" |
| "movd %%xmm0,%k2 \n" |
| "mov %b2," MEMACCESS(0) " \n" |
| "99: \n" |
| : "+r"(dst_ptr), // %0 |
| "+r"(src_ptr), // %1 |
| "+a"(temp_pixel), // %2 |
| "+r"(x0), // %3 |
| "+r"(x1), // %4 |
| "+rm"(dst_width) // %5 |
| : "rm"(x), // %6 |
| "rm"(dx) // %7 |
| : "memory", "cc", NACL_R14 |
| "xmm0", "xmm1", "xmm2", "xmm3", "xmm4", "xmm5", "xmm6" |
| ); |
| } |
| |
| // Reads 4 pixels, duplicates them and writes 8 pixels. |
| // Alignment requirement: src_argb 16 byte aligned, dst_argb 16 byte aligned. |
| void ScaleColsUp2_SSE2(uint8* dst_ptr, const uint8* src_ptr, |
| int dst_width, int x, int dx) { |
| asm volatile ( |
| LABELALIGN |
| "1: \n" |
| "movdqu " MEMACCESS(1) ",%%xmm0 \n" |
| "lea " MEMLEA(0x10,1) ",%1 \n" |
| "movdqa %%xmm0,%%xmm1 \n" |
| "punpcklbw %%xmm0,%%xmm0 \n" |
| "punpckhbw %%xmm1,%%xmm1 \n" |
| "movdqu %%xmm0," MEMACCESS(0) " \n" |
| "movdqu %%xmm1," MEMACCESS2(0x10,0) " \n" |
| "lea " MEMLEA(0x20,0) ",%0 \n" |
| "sub $0x20,%2 \n" |
| "jg 1b \n" |
| |
| : "+r"(dst_ptr), // %0 |
| "+r"(src_ptr), // %1 |
| "+r"(dst_width) // %2 |
| :: "memory", "cc", "xmm0", "xmm1" |
| ); |
| } |
| |
| void ScaleARGBRowDown2_SSE2(const uint8* src_argb, |
| ptrdiff_t src_stride, |
| uint8* dst_argb, int dst_width) { |
| asm volatile ( |
| LABELALIGN |
| "1: \n" |
| "movdqu " MEMACCESS(0) ",%%xmm0 \n" |
| "movdqu " MEMACCESS2(0x10,0) ",%%xmm1 \n" |
| "lea " MEMLEA(0x20,0) ",%0 \n" |
| "shufps $0xdd,%%xmm1,%%xmm0 \n" |
| "movdqu %%xmm0," MEMACCESS(1) " \n" |
| "lea " MEMLEA(0x10,1) ",%1 \n" |
| "sub $0x4,%2 \n" |
| "jg 1b \n" |
| : "+r"(src_argb), // %0 |
| "+r"(dst_argb), // %1 |
| "+r"(dst_width) // %2 |
| :: "memory", "cc", "xmm0", "xmm1" |
| ); |
| } |
| |
| void ScaleARGBRowDown2Linear_SSE2(const uint8* src_argb, |
| ptrdiff_t src_stride, |
| uint8* dst_argb, int dst_width) { |
| asm volatile ( |
| LABELALIGN |
| "1: \n" |
| "movdqu " MEMACCESS(0) ",%%xmm0 \n" |
| "movdqu " MEMACCESS2(0x10,0) ",%%xmm1 \n" |
| "lea " MEMLEA(0x20,0) ",%0 \n" |
| "movdqa %%xmm0,%%xmm2 \n" |
| "shufps $0x88,%%xmm1,%%xmm0 \n" |
| "shufps $0xdd,%%xmm1,%%xmm2 \n" |
| "pavgb %%xmm2,%%xmm0 \n" |
| "movdqu %%xmm0," MEMACCESS(1) " \n" |
| "lea " MEMLEA(0x10,1) ",%1 \n" |
| "sub $0x4,%2 \n" |
| "jg 1b \n" |
| : "+r"(src_argb), // %0 |
| "+r"(dst_argb), // %1 |
| "+r"(dst_width) // %2 |
| :: "memory", "cc", "xmm0", "xmm1" |
| ); |
| } |
| |
| void ScaleARGBRowDown2Box_SSE2(const uint8* src_argb, |
| ptrdiff_t src_stride, |
| uint8* dst_argb, int dst_width) { |
| asm volatile ( |
| LABELALIGN |
| "1: \n" |
| "movdqu " MEMACCESS(0) ",%%xmm0 \n" |
| "movdqu " MEMACCESS2(0x10,0) ",%%xmm1 \n" |
| MEMOPREG(movdqu,0x00,0,3,1,xmm2) // movdqu (%0,%3,1),%%xmm2 |
| MEMOPREG(movdqu,0x10,0,3,1,xmm3) // movdqu 0x10(%0,%3,1),%%xmm3 |
| "lea " MEMLEA(0x20,0) ",%0 \n" |
| "pavgb %%xmm2,%%xmm0 \n" |
| "pavgb %%xmm3,%%xmm1 \n" |
| "movdqa %%xmm0,%%xmm2 \n" |
| "shufps $0x88,%%xmm1,%%xmm0 \n" |
| "shufps $0xdd,%%xmm1,%%xmm2 \n" |
| "pavgb %%xmm2,%%xmm0 \n" |
| "movdqu %%xmm0," MEMACCESS(1) " \n" |
| "lea " MEMLEA(0x10,1) ",%1 \n" |
| "sub $0x4,%2 \n" |
| "jg 1b \n" |
| : "+r"(src_argb), // %0 |
| "+r"(dst_argb), // %1 |
| "+r"(dst_width) // %2 |
| : "r"((intptr_t)(src_stride)) // %3 |
| : "memory", "cc", NACL_R14 |
| "xmm0", "xmm1", "xmm2", "xmm3" |
| ); |
| } |
| |
| // Reads 4 pixels at a time. |
| // Alignment requirement: dst_argb 16 byte aligned. |
| void ScaleARGBRowDownEven_SSE2(const uint8* src_argb, ptrdiff_t src_stride, |
| int src_stepx, uint8* dst_argb, int dst_width) { |
| intptr_t src_stepx_x4 = (intptr_t)(src_stepx); |
| intptr_t src_stepx_x12 = 0; |
| asm volatile ( |
| "lea " MEMLEA3(0x00,1,4) ",%1 \n" |
| "lea " MEMLEA4(0x00,1,1,2) ",%4 \n" |
| LABELALIGN |
| "1: \n" |
| "movd " MEMACCESS(0) ",%%xmm0 \n" |
| MEMOPREG(movd,0x00,0,1,1,xmm1) // movd (%0,%1,1),%%xmm1 |
| "punpckldq %%xmm1,%%xmm0 \n" |
| MEMOPREG(movd,0x00,0,1,2,xmm2) // movd (%0,%1,2),%%xmm2 |
| MEMOPREG(movd,0x00,0,4,1,xmm3) // movd (%0,%4,1),%%xmm3 |
| "lea " MEMLEA4(0x00,0,1,4) ",%0 \n" |
| "punpckldq %%xmm3,%%xmm2 \n" |
| "punpcklqdq %%xmm2,%%xmm0 \n" |
| "movdqu %%xmm0," MEMACCESS(2) " \n" |
| "lea " MEMLEA(0x10,2) ",%2 \n" |
| "sub $0x4,%3 \n" |
| "jg 1b \n" |
| : "+r"(src_argb), // %0 |
| "+r"(src_stepx_x4), // %1 |
| "+r"(dst_argb), // %2 |
| "+r"(dst_width), // %3 |
| "+r"(src_stepx_x12) // %4 |
| :: "memory", "cc", NACL_R14 |
| "xmm0", "xmm1", "xmm2", "xmm3" |
| ); |
| } |
| |
| // Blends four 2x2 to 4x1. |
| // Alignment requirement: dst_argb 16 byte aligned. |
| void ScaleARGBRowDownEvenBox_SSE2(const uint8* src_argb, |
| ptrdiff_t src_stride, int src_stepx, |
| uint8* dst_argb, int dst_width) { |
| intptr_t src_stepx_x4 = (intptr_t)(src_stepx); |
| intptr_t src_stepx_x12 = 0; |
| intptr_t row1 = (intptr_t)(src_stride); |
| asm volatile ( |
| "lea " MEMLEA3(0x00,1,4) ",%1 \n" |
| "lea " MEMLEA4(0x00,1,1,2) ",%4 \n" |
| "lea " MEMLEA4(0x00,0,5,1) ",%5 \n" |
| |
| LABELALIGN |
| "1: \n" |
| "movq " MEMACCESS(0) ",%%xmm0 \n" |
| MEMOPREG(movhps,0x00,0,1,1,xmm0) // movhps (%0,%1,1),%%xmm0 |
| MEMOPREG(movq,0x00,0,1,2,xmm1) // movq (%0,%1,2),%%xmm1 |
| MEMOPREG(movhps,0x00,0,4,1,xmm1) // movhps (%0,%4,1),%%xmm1 |
| "lea " MEMLEA4(0x00,0,1,4) ",%0 \n" |
| "movq " MEMACCESS(5) ",%%xmm2 \n" |
| MEMOPREG(movhps,0x00,5,1,1,xmm2) // movhps (%5,%1,1),%%xmm2 |
| MEMOPREG(movq,0x00,5,1,2,xmm3) // movq (%5,%1,2),%%xmm3 |
| MEMOPREG(movhps,0x00,5,4,1,xmm3) // movhps (%5,%4,1),%%xmm3 |
| "lea " MEMLEA4(0x00,5,1,4) ",%5 \n" |
| "pavgb %%xmm2,%%xmm0 \n" |
| "pavgb %%xmm3,%%xmm1 \n" |
| "movdqa %%xmm0,%%xmm2 \n" |
| "shufps $0x88,%%xmm1,%%xmm0 \n" |
| "shufps $0xdd,%%xmm1,%%xmm2 \n" |
| "pavgb %%xmm2,%%xmm0 \n" |
| "movdqu %%xmm0," MEMACCESS(2) " \n" |
| "lea " MEMLEA(0x10,2) ",%2 \n" |
| "sub $0x4,%3 \n" |
| "jg 1b \n" |
| : "+r"(src_argb), // %0 |
| "+r"(src_stepx_x4), // %1 |
| "+r"(dst_argb), // %2 |
| "+rm"(dst_width), // %3 |
| "+r"(src_stepx_x12), // %4 |
| "+r"(row1) // %5 |
| :: "memory", "cc", NACL_R14 |
| "xmm0", "xmm1", "xmm2", "xmm3" |
| ); |
| } |
| |
| void ScaleARGBCols_SSE2(uint8* dst_argb, const uint8* src_argb, |
| int dst_width, int x, int dx) { |
| intptr_t x0 = 0, x1 = 0; |
| asm volatile ( |
| "movd %5,%%xmm2 \n" |
| "movd %6,%%xmm3 \n" |
| "pshufd $0x0,%%xmm2,%%xmm2 \n" |
| "pshufd $0x11,%%xmm3,%%xmm0 \n" |
| "paddd %%xmm0,%%xmm2 \n" |
| "paddd %%xmm3,%%xmm3 \n" |
| "pshufd $0x5,%%xmm3,%%xmm0 \n" |
| "paddd %%xmm0,%%xmm2 \n" |
| "paddd %%xmm3,%%xmm3 \n" |
| "pshufd $0x0,%%xmm3,%%xmm3 \n" |
| "pextrw $0x1,%%xmm2,%k0 \n" |
| "pextrw $0x3,%%xmm2,%k1 \n" |
| "cmp $0x0,%4 \n" |
| "jl 99f \n" |
| "sub $0x4,%4 \n" |
| "jl 49f \n" |
| |
| LABELALIGN |
| "40: \n" |
| MEMOPREG(movd,0x00,3,0,4,xmm0) // movd (%3,%0,4),%%xmm0 |
| MEMOPREG(movd,0x00,3,1,4,xmm1) // movd (%3,%1,4),%%xmm1 |
| "pextrw $0x5,%%xmm2,%k0 \n" |
| "pextrw $0x7,%%xmm2,%k1 \n" |
| "paddd %%xmm3,%%xmm2 \n" |
| "punpckldq %%xmm1,%%xmm0 \n" |
| MEMOPREG(movd,0x00,3,0,4,xmm1) // movd (%3,%0,4),%%xmm1 |
| MEMOPREG(movd,0x00,3,1,4,xmm4) // movd (%3,%1,4),%%xmm4 |
| "pextrw $0x1,%%xmm2,%k0 \n" |
| "pextrw $0x3,%%xmm2,%k1 \n" |
| "punpckldq %%xmm4,%%xmm1 \n" |
| "punpcklqdq %%xmm1,%%xmm0 \n" |
| "movdqu %%xmm0," MEMACCESS(2) " \n" |
| "lea " MEMLEA(0x10,2) ",%2 \n" |
| "sub $0x4,%4 \n" |
| "jge 40b \n" |
| |
| "49: \n" |
| "test $0x2,%4 \n" |
| "je 29f \n" |
| MEMOPREG(movd,0x00,3,0,4,xmm0) // movd (%3,%0,4),%%xmm0 |
| MEMOPREG(movd,0x00,3,1,4,xmm1) // movd (%3,%1,4),%%xmm1 |
| "pextrw $0x5,%%xmm2,%k0 \n" |
| "punpckldq %%xmm1,%%xmm0 \n" |
| "movq %%xmm0," MEMACCESS(2) " \n" |
| "lea " MEMLEA(0x8,2) ",%2 \n" |
| "29: \n" |
| "test $0x1,%4 \n" |
| "je 99f \n" |
| MEMOPREG(movd,0x00,3,0,4,xmm0) // movd (%3,%0,4),%%xmm0 |
| "movd %%xmm0," MEMACCESS(2) " \n" |
| "99: \n" |
| : "+a"(x0), // %0 |
| "+d"(x1), // %1 |
| "+r"(dst_argb), // %2 |
| "+r"(src_argb), // %3 |
| "+r"(dst_width) // %4 |
| : "rm"(x), // %5 |
| "rm"(dx) // %6 |
| : "memory", "cc", NACL_R14 |
| "xmm0", "xmm1", "xmm2", "xmm3", "xmm4" |
| ); |
| } |
| |
| // Reads 4 pixels, duplicates them and writes 8 pixels. |
| // Alignment requirement: src_argb 16 byte aligned, dst_argb 16 byte aligned. |
| void ScaleARGBColsUp2_SSE2(uint8* dst_argb, const uint8* src_argb, |
| int dst_width, int x, int dx) { |
| asm volatile ( |
| LABELALIGN |
| "1: \n" |
| "movdqu " MEMACCESS(1) ",%%xmm0 \n" |
| "lea " MEMLEA(0x10,1) ",%1 \n" |
| "movdqa %%xmm0,%%xmm1 \n" |
| "punpckldq %%xmm0,%%xmm0 \n" |
| "punpckhdq %%xmm1,%%xmm1 \n" |
| "movdqu %%xmm0," MEMACCESS(0) " \n" |
| "movdqu %%xmm1," MEMACCESS2(0x10,0) " \n" |
| "lea " MEMLEA(0x20,0) ",%0 \n" |
| "sub $0x8,%2 \n" |
| "jg 1b \n" |
| |
| : "+r"(dst_argb), // %0 |
| "+r"(src_argb), // %1 |
| "+r"(dst_width) // %2 |
| :: "memory", "cc", NACL_R14 |
| "xmm0", "xmm1" |
| ); |
| } |
| |
| // Shuffle table for arranging 2 pixels into pairs for pmaddubsw |
| static uvec8 kShuffleColARGB = { |
| 0u, 4u, 1u, 5u, 2u, 6u, 3u, 7u, // bbggrraa 1st pixel |
| 8u, 12u, 9u, 13u, 10u, 14u, 11u, 15u // bbggrraa 2nd pixel |
| }; |
| |
| // Shuffle table for duplicating 2 fractions into 8 bytes each |
| static uvec8 kShuffleFractions = { |
| 0u, 0u, 0u, 0u, 0u, 0u, 0u, 0u, 4u, 4u, 4u, 4u, 4u, 4u, 4u, 4u, |
| }; |
| |
| // Bilinear row filtering combines 4x2 -> 4x1. SSSE3 version |
| void ScaleARGBFilterCols_SSSE3(uint8* dst_argb, const uint8* src_argb, |
| int dst_width, int x, int dx) { |
| intptr_t x0 = 0, x1 = 0; |
| asm volatile ( |
| "movdqa %0,%%xmm4 \n" |
| "movdqa %1,%%xmm5 \n" |
| : |
| : "m"(kShuffleColARGB), // %0 |
| "m"(kShuffleFractions) // %1 |
| ); |
| |
| asm volatile ( |
| "movd %5,%%xmm2 \n" |
| "movd %6,%%xmm3 \n" |
| "pcmpeqb %%xmm6,%%xmm6 \n" |
| "psrlw $0x9,%%xmm6 \n" |
| "pextrw $0x1,%%xmm2,%k3 \n" |
| "sub $0x2,%2 \n" |
| "jl 29f \n" |
| "movdqa %%xmm2,%%xmm0 \n" |
| "paddd %%xmm3,%%xmm0 \n" |
| "punpckldq %%xmm0,%%xmm2 \n" |
| "punpckldq %%xmm3,%%xmm3 \n" |
| "paddd %%xmm3,%%xmm3 \n" |
| "pextrw $0x3,%%xmm2,%k4 \n" |
| |
| LABELALIGN |
| "2: \n" |
| "movdqa %%xmm2,%%xmm1 \n" |
| "paddd %%xmm3,%%xmm2 \n" |
| MEMOPREG(movq,0x00,1,3,4,xmm0) // movq (%1,%3,4),%%xmm0 |
| "psrlw $0x9,%%xmm1 \n" |
| MEMOPREG(movhps,0x00,1,4,4,xmm0) // movhps (%1,%4,4),%%xmm0 |
| "pshufb %%xmm5,%%xmm1 \n" |
| "pshufb %%xmm4,%%xmm0 \n" |
| "pxor %%xmm6,%%xmm1 \n" |
| "pmaddubsw %%xmm1,%%xmm0 \n" |
| "psrlw $0x7,%%xmm0 \n" |
| "pextrw $0x1,%%xmm2,%k3 \n" |
| "pextrw $0x3,%%xmm2,%k4 \n" |
| "packuswb %%xmm0,%%xmm0 \n" |
| "movq %%xmm0," MEMACCESS(0) " \n" |
| "lea " MEMLEA(0x8,0) ",%0 \n" |
| "sub $0x2,%2 \n" |
| "jge 2b \n" |
| |
| LABELALIGN |
| "29: \n" |
| "add $0x1,%2 \n" |
| "jl 99f \n" |
| "psrlw $0x9,%%xmm2 \n" |
| MEMOPREG(movq,0x00,1,3,4,xmm0) // movq (%1,%3,4),%%xmm0 |
| "pshufb %%xmm5,%%xmm2 \n" |
| "pshufb %%xmm4,%%xmm0 \n" |
| "pxor %%xmm6,%%xmm2 \n" |
| "pmaddubsw %%xmm2,%%xmm0 \n" |
| "psrlw $0x7,%%xmm0 \n" |
| "packuswb %%xmm0,%%xmm0 \n" |
| "movd %%xmm0," MEMACCESS(0) " \n" |
| |
| LABELALIGN |
| "99: \n" |
| : "+r"(dst_argb), // %0 |
| "+r"(src_argb), // %1 |
| "+rm"(dst_width), // %2 |
| "+r"(x0), // %3 |
| "+r"(x1) // %4 |
| : "rm"(x), // %5 |
| "rm"(dx) // %6 |
| : "memory", "cc", NACL_R14 |
| "xmm0", "xmm1", "xmm2", "xmm3", "xmm4", "xmm5", "xmm6" |
| ); |
| } |
| |
| // Divide num by div and return as 16.16 fixed point result. |
| int FixedDiv_X86(int num, int div) { |
| asm volatile ( |
| "cdq \n" |
| "shld $0x10,%%eax,%%edx \n" |
| "shl $0x10,%%eax \n" |
| "idiv %1 \n" |
| "mov %0, %%eax \n" |
| : "+a"(num) // %0 |
| : "c"(div) // %1 |
| : "memory", "cc", "edx" |
| ); |
| return num; |
| } |
| |
| // Divide num - 1 by div - 1 and return as 16.16 fixed point result. |
| int FixedDiv1_X86(int num, int div) { |
| asm volatile ( |
| "cdq \n" |
| "shld $0x10,%%eax,%%edx \n" |
| "shl $0x10,%%eax \n" |
| "sub $0x10001,%%eax \n" |
| "sbb $0x0,%%edx \n" |
| "sub $0x1,%1 \n" |
| "idiv %1 \n" |
| "mov %0, %%eax \n" |
| : "+a"(num) // %0 |
| : "c"(div) // %1 |
| : "memory", "cc", "edx" |
| ); |
| return num; |
| } |
| |
| #endif // defined(__x86_64__) || defined(__i386__) |
| |
| #ifdef __cplusplus |
| } // extern "C" |
| } // namespace libyuv |
| #endif |
