From 678702573531f19ae36847a6a07257aaae623fbe Mon Sep 17 00:00:00 2001 From: Sadaf Ebrahimi Date: Fri, 25 Aug 2023 16:27:50 +0000 Subject: Move libyuv/files/ directly under libyuv Test: TreeHugger Merged-In: I773d1ae01539cc5d200768b526f10b2922567f72 Change-Id: I4ba1f1e781d7fd3ad96639dfdc08f654e45ae3d3 --- source/compare_gcc.cc | 359 ++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 359 insertions(+) create mode 100644 source/compare_gcc.cc (limited to 'source/compare_gcc.cc') diff --git a/source/compare_gcc.cc b/source/compare_gcc.cc new file mode 100644 index 00000000..33cbe25d --- /dev/null +++ b/source/compare_gcc.cc @@ -0,0 +1,359 @@ +/* + * Copyright 2012 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/basic_types.h" + +#include "libyuv/compare_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__)) + +#if defined(__x86_64__) +uint32_t HammingDistance_SSE42(const uint8_t* src_a, + const uint8_t* src_b, + int count) { + uint64_t diff = 0u; + + asm volatile( + "xor %3,%3 \n" + "xor %%r8,%%r8 \n" + "xor %%r9,%%r9 \n" + "xor %%r10,%%r10 \n" + + // Process 32 bytes per loop. + LABELALIGN + "1: \n" + "mov (%0),%%rcx \n" + "mov 0x8(%0),%%rdx \n" + "xor (%1),%%rcx \n" + "xor 0x8(%1),%%rdx \n" + "popcnt %%rcx,%%rcx \n" + "popcnt %%rdx,%%rdx \n" + "mov 0x10(%0),%%rsi \n" + "mov 0x18(%0),%%rdi \n" + "xor 0x10(%1),%%rsi \n" + "xor 0x18(%1),%%rdi \n" + "popcnt %%rsi,%%rsi \n" + "popcnt %%rdi,%%rdi \n" + "add $0x20,%0 \n" + "add $0x20,%1 \n" + "add %%rcx,%3 \n" + "add %%rdx,%%r8 \n" + "add %%rsi,%%r9 \n" + "add %%rdi,%%r10 \n" + "sub $0x20,%2 \n" + "jg 1b \n" + + "add %%r8, %3 \n" + "add %%r9, %3 \n" + "add %%r10, %3 \n" + : "+r"(src_a), // %0 + "+r"(src_b), // %1 + "+r"(count), // %2 + "=r"(diff) // %3 + : + : "memory", "cc", "rcx", "rdx", "rsi", "rdi", "r8", "r9", "r10"); + + return (uint32_t)(diff); +} +#else +uint32_t HammingDistance_SSE42(const uint8_t* src_a, + const uint8_t* src_b, + int count) { + uint32_t diff = 0u; + + asm volatile( + // Process 16 bytes per loop. + LABELALIGN + "1: \n" + "mov (%0),%%ecx \n" + "mov 0x4(%0),%%edx \n" + "xor (%1),%%ecx \n" + "xor 0x4(%1),%%edx \n" + "popcnt %%ecx,%%ecx \n" + "add %%ecx,%3 \n" + "popcnt %%edx,%%edx \n" + "add %%edx,%3 \n" + "mov 0x8(%0),%%ecx \n" + "mov 0xc(%0),%%edx \n" + "xor 0x8(%1),%%ecx \n" + "xor 0xc(%1),%%edx \n" + "popcnt %%ecx,%%ecx \n" + "add %%ecx,%3 \n" + "popcnt %%edx,%%edx \n" + "add %%edx,%3 \n" + "add $0x10,%0 \n" + "add $0x10,%1 \n" + "sub $0x10,%2 \n" + "jg 1b \n" + : "+r"(src_a), // %0 + "+r"(src_b), // %1 + "+r"(count), // %2 + "+r"(diff) // %3 + : + : "memory", "cc", "ecx", "edx"); + + return diff; +} +#endif + +static const vec8 kNibbleMask = {15, 15, 15, 15, 15, 15, 15, 15, + 15, 15, 15, 15, 15, 15, 15, 15}; +static const vec8 kBitCount = {0, 1, 1, 2, 1, 2, 2, 3, 1, 2, 2, 3, 2, 3, 3, 4}; + +uint32_t HammingDistance_SSSE3(const uint8_t* src_a, + const uint8_t* src_b, + int count) { + uint32_t diff = 0u; + + asm volatile( + "movdqa %4,%%xmm2 \n" + "movdqa %5,%%xmm3 \n" + "pxor %%xmm0,%%xmm0 \n" + "pxor %%xmm1,%%xmm1 \n" + "sub %0,%1 \n" + + LABELALIGN + "1: \n" + "movdqa (%0),%%xmm4 \n" + "movdqa 0x10(%0), %%xmm5 \n" + "pxor (%0,%1), %%xmm4 \n" + "movdqa %%xmm4,%%xmm6 \n" + "pand %%xmm2,%%xmm6 \n" + "psrlw $0x4,%%xmm4 \n" + "movdqa %%xmm3,%%xmm7 \n" + "pshufb %%xmm6,%%xmm7 \n" + "pand %%xmm2,%%xmm4 \n" + "movdqa %%xmm3,%%xmm6 \n" + "pshufb %%xmm4,%%xmm6 \n" + "paddb %%xmm7,%%xmm6 \n" + "pxor 0x10(%0,%1),%%xmm5 \n" + "add $0x20,%0 \n" + "movdqa %%xmm5,%%xmm4 \n" + "pand %%xmm2,%%xmm5 \n" + "psrlw $0x4,%%xmm4 \n" + "movdqa %%xmm3,%%xmm7 \n" + "pshufb %%xmm5,%%xmm7 \n" + "pand %%xmm2,%%xmm4 \n" + "movdqa %%xmm3,%%xmm5 \n" + "pshufb %%xmm4,%%xmm5 \n" + "paddb %%xmm7,%%xmm5 \n" + "paddb %%xmm5,%%xmm6 \n" + "psadbw %%xmm1,%%xmm6 \n" + "paddd %%xmm6,%%xmm0 \n" + "sub $0x20,%2 \n" + "jg 1b \n" + + "pshufd $0xaa,%%xmm0,%%xmm1 \n" + "paddd %%xmm1,%%xmm0 \n" + "movd %%xmm0, %3 \n" + : "+r"(src_a), // %0 + "+r"(src_b), // %1 + "+r"(count), // %2 + "=r"(diff) // %3 + : "m"(kNibbleMask), // %4 + "m"(kBitCount) // %5 + : "memory", "cc", "xmm0", "xmm1", "xmm2", "xmm3", "xmm4", "xmm5", "xmm6", + "xmm7"); + + return diff; +} + +#ifdef HAS_HAMMINGDISTANCE_AVX2 +uint32_t HammingDistance_AVX2(const uint8_t* src_a, + const uint8_t* src_b, + int count) { + uint32_t diff = 0u; + + asm volatile( + "vbroadcastf128 %4,%%ymm2 \n" + "vbroadcastf128 %5,%%ymm3 \n" + "vpxor %%ymm0,%%ymm0,%%ymm0 \n" + "vpxor %%ymm1,%%ymm1,%%ymm1 \n" + "sub %0,%1 \n" + + LABELALIGN + "1: \n" + "vmovdqa (%0),%%ymm4 \n" + "vmovdqa 0x20(%0), %%ymm5 \n" + "vpxor (%0,%1), %%ymm4, %%ymm4 \n" + "vpand %%ymm2,%%ymm4,%%ymm6 \n" + "vpsrlw $0x4,%%ymm4,%%ymm4 \n" + "vpshufb %%ymm6,%%ymm3,%%ymm6 \n" + "vpand %%ymm2,%%ymm4,%%ymm4 \n" + "vpshufb %%ymm4,%%ymm3,%%ymm4 \n" + "vpaddb %%ymm4,%%ymm6,%%ymm6 \n" + "vpxor 0x20(%0,%1),%%ymm5,%%ymm4 \n" + "add $0x40,%0 \n" + "vpand %%ymm2,%%ymm4,%%ymm5 \n" + "vpsrlw $0x4,%%ymm4,%%ymm4 \n" + "vpshufb %%ymm5,%%ymm3,%%ymm5 \n" + "vpand %%ymm2,%%ymm4,%%ymm4 \n" + "vpshufb %%ymm4,%%ymm3,%%ymm4 \n" + "vpaddb %%ymm5,%%ymm4,%%ymm4 \n" + "vpaddb %%ymm6,%%ymm4,%%ymm4 \n" + "vpsadbw %%ymm1,%%ymm4,%%ymm4 \n" + "vpaddd %%ymm0,%%ymm4,%%ymm0 \n" + "sub $0x40,%2 \n" + "jg 1b \n" + + "vpermq $0xb1,%%ymm0,%%ymm1 \n" + "vpaddd %%ymm1,%%ymm0,%%ymm0 \n" + "vpermq $0xaa,%%ymm0,%%ymm1 \n" + "vpaddd %%ymm1,%%ymm0,%%ymm0 \n" + "vmovd %%xmm0, %3 \n" + "vzeroupper \n" + : "+r"(src_a), // %0 + "+r"(src_b), // %1 + "+r"(count), // %2 + "=r"(diff) // %3 + : "m"(kNibbleMask), // %4 + "m"(kBitCount) // %5 + : "memory", "cc", "xmm0", "xmm1", "xmm2", "xmm3", "xmm4", "xmm5", "xmm6"); + + return diff; +} +#endif // HAS_HAMMINGDISTANCE_AVX2 + +uint32_t SumSquareError_SSE2(const uint8_t* src_a, + const uint8_t* src_b, + int count) { + uint32_t sse; + asm volatile( + "pxor %%xmm0,%%xmm0 \n" + "pxor %%xmm5,%%xmm5 \n" + + LABELALIGN + "1: \n" + "movdqu (%0),%%xmm1 \n" + "lea 0x10(%0),%0 \n" + "movdqu (%1),%%xmm2 \n" + "lea 0x10(%1),%1 \n" + "movdqa %%xmm1,%%xmm3 \n" + "psubusb %%xmm2,%%xmm1 \n" + "psubusb %%xmm3,%%xmm2 \n" + "por %%xmm2,%%xmm1 \n" + "movdqa %%xmm1,%%xmm2 \n" + "punpcklbw %%xmm5,%%xmm1 \n" + "punpckhbw %%xmm5,%%xmm2 \n" + "pmaddwd %%xmm1,%%xmm1 \n" + "pmaddwd %%xmm2,%%xmm2 \n" + "paddd %%xmm1,%%xmm0 \n" + "paddd %%xmm2,%%xmm0 \n" + "sub $0x10,%2 \n" + "jg 1b \n" + + "pshufd $0xee,%%xmm0,%%xmm1 \n" + "paddd %%xmm1,%%xmm0 \n" + "pshufd $0x1,%%xmm0,%%xmm1 \n" + "paddd %%xmm1,%%xmm0 \n" + "movd %%xmm0,%3 \n" + + : "+r"(src_a), // %0 + "+r"(src_b), // %1 + "+r"(count), // %2 + "=g"(sse) // %3 + ::"memory", + "cc", "xmm0", "xmm1", "xmm2", "xmm3", "xmm5"); + return sse; +} + +static const uvec32 kHash16x33 = {0x92d9e201, 0, 0, 0}; // 33 ^ 16 +static const uvec32 kHashMul0 = { + 0x0c3525e1, // 33 ^ 15 + 0xa3476dc1, // 33 ^ 14 + 0x3b4039a1, // 33 ^ 13 + 0x4f5f0981, // 33 ^ 12 +}; +static const uvec32 kHashMul1 = { + 0x30f35d61, // 33 ^ 11 + 0x855cb541, // 33 ^ 10 + 0x040a9121, // 33 ^ 9 + 0x747c7101, // 33 ^ 8 +}; +static const uvec32 kHashMul2 = { + 0xec41d4e1, // 33 ^ 7 + 0x4cfa3cc1, // 33 ^ 6 + 0x025528a1, // 33 ^ 5 + 0x00121881, // 33 ^ 4 +}; +static const uvec32 kHashMul3 = { + 0x00008c61, // 33 ^ 3 + 0x00000441, // 33 ^ 2 + 0x00000021, // 33 ^ 1 + 0x00000001, // 33 ^ 0 +}; + +uint32_t HashDjb2_SSE41(const uint8_t* src, int count, uint32_t seed) { + uint32_t hash; + asm volatile( + "movd %2,%%xmm0 \n" + "pxor %%xmm7,%%xmm7 \n" + "movdqa %4,%%xmm6 \n" + + LABELALIGN + "1: \n" + "movdqu (%0),%%xmm1 \n" + "lea 0x10(%0),%0 \n" + "pmulld %%xmm6,%%xmm0 \n" + "movdqa %5,%%xmm5 \n" + "movdqa %%xmm1,%%xmm2 \n" + "punpcklbw %%xmm7,%%xmm2 \n" + "movdqa %%xmm2,%%xmm3 \n" + "punpcklwd %%xmm7,%%xmm3 \n" + "pmulld %%xmm5,%%xmm3 \n" + "movdqa %6,%%xmm5 \n" + "movdqa %%xmm2,%%xmm4 \n" + "punpckhwd %%xmm7,%%xmm4 \n" + "pmulld %%xmm5,%%xmm4 \n" + "movdqa %7,%%xmm5 \n" + "punpckhbw %%xmm7,%%xmm1 \n" + "movdqa %%xmm1,%%xmm2 \n" + "punpcklwd %%xmm7,%%xmm2 \n" + "pmulld %%xmm5,%%xmm2 \n" + "movdqa %8,%%xmm5 \n" + "punpckhwd %%xmm7,%%xmm1 \n" + "pmulld %%xmm5,%%xmm1 \n" + "paddd %%xmm4,%%xmm3 \n" + "paddd %%xmm2,%%xmm1 \n" + "paddd %%xmm3,%%xmm1 \n" + "pshufd $0xe,%%xmm1,%%xmm2 \n" + "paddd %%xmm2,%%xmm1 \n" + "pshufd $0x1,%%xmm1,%%xmm2 \n" + "paddd %%xmm2,%%xmm1 \n" + "paddd %%xmm1,%%xmm0 \n" + "sub $0x10,%1 \n" + "jg 1b \n" + "movd %%xmm0,%3 \n" + : "+r"(src), // %0 + "+r"(count), // %1 + "+rm"(seed), // %2 + "=g"(hash) // %3 + : "m"(kHash16x33), // %4 + "m"(kHashMul0), // %5 + "m"(kHashMul1), // %6 + "m"(kHashMul2), // %7 + "m"(kHashMul3) // %8 + : "memory", "cc", "xmm0", "xmm1", "xmm2", "xmm3", "xmm4", "xmm5", "xmm6", + "xmm7"); + return hash; +} +#endif // defined(__x86_64__) || (defined(__i386__) && !defined(__pic__))) + +#ifdef __cplusplus +} // extern "C" +} // namespace libyuv +#endif -- cgit v1.2.3