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Diffstat (limited to 'source/compare_win.cc')
| -rw-r--r-- | source/compare_win.cc | 241 |
1 files changed, 0 insertions, 241 deletions
diff --git a/source/compare_win.cc b/source/compare_win.cc deleted file mode 100644 index 9bb27f1d..00000000 --- a/source/compare_win.cc +++ /dev/null @@ -1,241 +0,0 @@ -/* - * 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" - -#if defined(_MSC_VER) -#include <intrin.h> // For __popcnt -#endif - -#ifdef __cplusplus -namespace libyuv { -extern "C" { -#endif - -// This module is for 32 bit Visual C x86 -#if !defined(LIBYUV_DISABLE_X86) && defined(_MSC_VER) && \ - !defined(__clang__) && defined(_M_IX86) - -uint32_t HammingDistance_SSE42(const uint8_t* src_a, - const uint8_t* src_b, - int count) { - uint32_t diff = 0u; - - int i; - for (i = 0; i < count - 3; i += 4) { - uint32_t x = *((uint32_t*)src_a) ^ *((uint32_t*)src_b); // NOLINT - src_a += 4; - src_b += 4; - diff += __popcnt(x); - } - return diff; -} - -__declspec(naked) uint32_t - SumSquareError_SSE2(const uint8_t* src_a, const uint8_t* src_b, int count) { - __asm { - mov eax, [esp + 4] // src_a - mov edx, [esp + 8] // src_b - mov ecx, [esp + 12] // count - pxor xmm0, xmm0 - pxor xmm5, xmm5 - - wloop: - movdqu xmm1, [eax] - lea eax, [eax + 16] - movdqu xmm2, [edx] - lea edx, [edx + 16] - movdqa xmm3, xmm1 // abs trick - psubusb xmm1, xmm2 - psubusb xmm2, xmm3 - por xmm1, xmm2 - movdqa xmm2, xmm1 - punpcklbw xmm1, xmm5 - punpckhbw xmm2, xmm5 - pmaddwd xmm1, xmm1 - pmaddwd xmm2, xmm2 - paddd xmm0, xmm1 - paddd xmm0, xmm2 - sub ecx, 16 - jg wloop - - pshufd xmm1, xmm0, 0xee - paddd xmm0, xmm1 - pshufd xmm1, xmm0, 0x01 - paddd xmm0, xmm1 - movd eax, xmm0 - ret - } -} - -#ifdef HAS_SUMSQUAREERROR_AVX2 -// C4752: found Intel(R) Advanced Vector Extensions; consider using /arch:AVX. -#pragma warning(disable : 4752) -__declspec(naked) uint32_t - SumSquareError_AVX2(const uint8_t* src_a, const uint8_t* src_b, int count) { - __asm { - mov eax, [esp + 4] // src_a - mov edx, [esp + 8] // src_b - mov ecx, [esp + 12] // count - vpxor ymm0, ymm0, ymm0 // sum - vpxor ymm5, ymm5, ymm5 // constant 0 for unpck - sub edx, eax - - wloop: - vmovdqu ymm1, [eax] - vmovdqu ymm2, [eax + edx] - lea eax, [eax + 32] - vpsubusb ymm3, ymm1, ymm2 // abs difference trick - vpsubusb ymm2, ymm2, ymm1 - vpor ymm1, ymm2, ymm3 - vpunpcklbw ymm2, ymm1, ymm5 // u16. mutates order. - vpunpckhbw ymm1, ymm1, ymm5 - vpmaddwd ymm2, ymm2, ymm2 // square + hadd to u32. - vpmaddwd ymm1, ymm1, ymm1 - vpaddd ymm0, ymm0, ymm1 - vpaddd ymm0, ymm0, ymm2 - sub ecx, 32 - jg wloop - - vpshufd ymm1, ymm0, 0xee // 3, 2 + 1, 0 both lanes. - vpaddd ymm0, ymm0, ymm1 - vpshufd ymm1, ymm0, 0x01 // 1 + 0 both lanes. - vpaddd ymm0, ymm0, ymm1 - vpermq ymm1, ymm0, 0x02 // high + low lane. - vpaddd ymm0, ymm0, ymm1 - vmovd eax, xmm0 - vzeroupper - ret - } -} -#endif // HAS_SUMSQUAREERROR_AVX2 - -uvec32 kHash16x33 = {0x92d9e201, 0, 0, 0}; // 33 ^ 16 -uvec32 kHashMul0 = { - 0x0c3525e1, // 33 ^ 15 - 0xa3476dc1, // 33 ^ 14 - 0x3b4039a1, // 33 ^ 13 - 0x4f5f0981, // 33 ^ 12 -}; -uvec32 kHashMul1 = { - 0x30f35d61, // 33 ^ 11 - 0x855cb541, // 33 ^ 10 - 0x040a9121, // 33 ^ 9 - 0x747c7101, // 33 ^ 8 -}; -uvec32 kHashMul2 = { - 0xec41d4e1, // 33 ^ 7 - 0x4cfa3cc1, // 33 ^ 6 - 0x025528a1, // 33 ^ 5 - 0x00121881, // 33 ^ 4 -}; -uvec32 kHashMul3 = { - 0x00008c61, // 33 ^ 3 - 0x00000441, // 33 ^ 2 - 0x00000021, // 33 ^ 1 - 0x00000001, // 33 ^ 0 -}; - -__declspec(naked) uint32_t - HashDjb2_SSE41(const uint8_t* src, int count, uint32_t seed) { - __asm { - mov eax, [esp + 4] // src - mov ecx, [esp + 8] // count - movd xmm0, [esp + 12] // seed - - pxor xmm7, xmm7 // constant 0 for unpck - movdqa xmm6, xmmword ptr kHash16x33 - - wloop: - movdqu xmm1, [eax] // src[0-15] - lea eax, [eax + 16] - pmulld xmm0, xmm6 // hash *= 33 ^ 16 - movdqa xmm5, xmmword ptr kHashMul0 - movdqa xmm2, xmm1 - punpcklbw xmm2, xmm7 // src[0-7] - movdqa xmm3, xmm2 - punpcklwd xmm3, xmm7 // src[0-3] - pmulld xmm3, xmm5 - movdqa xmm5, xmmword ptr kHashMul1 - movdqa xmm4, xmm2 - punpckhwd xmm4, xmm7 // src[4-7] - pmulld xmm4, xmm5 - movdqa xmm5, xmmword ptr kHashMul2 - punpckhbw xmm1, xmm7 // src[8-15] - movdqa xmm2, xmm1 - punpcklwd xmm2, xmm7 // src[8-11] - pmulld xmm2, xmm5 - movdqa xmm5, xmmword ptr kHashMul3 - punpckhwd xmm1, xmm7 // src[12-15] - pmulld xmm1, xmm5 - paddd xmm3, xmm4 // add 16 results - paddd xmm1, xmm2 - paddd xmm1, xmm3 - - pshufd xmm2, xmm1, 0x0e // upper 2 dwords - paddd xmm1, xmm2 - pshufd xmm2, xmm1, 0x01 - paddd xmm1, xmm2 - paddd xmm0, xmm1 - sub ecx, 16 - jg wloop - - movd eax, xmm0 // return hash - ret - } -} - -// Visual C 2012 required for AVX2. -#ifdef HAS_HASHDJB2_AVX2 -__declspec(naked) uint32_t - HashDjb2_AVX2(const uint8_t* src, int count, uint32_t seed) { - __asm { - mov eax, [esp + 4] // src - mov ecx, [esp + 8] // count - vmovd xmm0, [esp + 12] // seed - - wloop: - vpmovzxbd xmm3, [eax] // src[0-3] - vpmulld xmm0, xmm0, xmmword ptr kHash16x33 // hash *= 33 ^ 16 - vpmovzxbd xmm4, [eax + 4] // src[4-7] - vpmulld xmm3, xmm3, xmmword ptr kHashMul0 - vpmovzxbd xmm2, [eax + 8] // src[8-11] - vpmulld xmm4, xmm4, xmmword ptr kHashMul1 - vpmovzxbd xmm1, [eax + 12] // src[12-15] - vpmulld xmm2, xmm2, xmmword ptr kHashMul2 - lea eax, [eax + 16] - vpmulld xmm1, xmm1, xmmword ptr kHashMul3 - vpaddd xmm3, xmm3, xmm4 // add 16 results - vpaddd xmm1, xmm1, xmm2 - vpaddd xmm1, xmm1, xmm3 - vpshufd xmm2, xmm1, 0x0e // upper 2 dwords - vpaddd xmm1, xmm1,xmm2 - vpshufd xmm2, xmm1, 0x01 - vpaddd xmm1, xmm1, xmm2 - vpaddd xmm0, xmm0, xmm1 - sub ecx, 16 - jg wloop - - vmovd eax, xmm0 // return hash - vzeroupper - ret - } -} -#endif // HAS_HASHDJB2_AVX2 - -#endif // !defined(LIBYUV_DISABLE_X86) && defined(_M_IX86) - -#ifdef __cplusplus -} // extern "C" -} // namespace libyuv -#endif |