223bf29307
MIPS build fixes https://code.google.com/p/webm/issues/detail?id=957 Change-Id: I9d53900af36d783c369b5dff27a7479cb94fd16b
229 lines
6.6 KiB
C++
229 lines
6.6 KiB
C++
/*
|
|
* 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/row.h"
|
|
|
|
#ifdef __cplusplus
|
|
namespace libyuv {
|
|
extern "C" {
|
|
#endif
|
|
|
|
#if !defined(LIBYUV_DISABLE_X86) && defined(_M_IX86) && defined(_MSC_VER)
|
|
|
|
__declspec(naked) __declspec(align(16))
|
|
uint32 SumSquareError_SSE2(const uint8* src_a, const uint8* 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
|
|
}
|
|
}
|
|
|
|
// Visual C 2012 required for AVX2.
|
|
#if _MSC_VER >= 1700
|
|
// C4752: found Intel(R) Advanced Vector Extensions; consider using /arch:AVX.
|
|
#pragma warning(disable: 4752)
|
|
__declspec(naked) __declspec(align(16))
|
|
uint32 SumSquareError_AVX2(const uint8* src_a, const uint8* 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 // _MSC_VER >= 1700
|
|
|
|
#define HAS_HASHDJB2_SSE41
|
|
static uvec32 kHash16x33 = { 0x92d9e201, 0, 0, 0 }; // 33 ^ 16
|
|
static uvec32 kHashMul0 = {
|
|
0x0c3525e1, // 33 ^ 15
|
|
0xa3476dc1, // 33 ^ 14
|
|
0x3b4039a1, // 33 ^ 13
|
|
0x4f5f0981, // 33 ^ 12
|
|
};
|
|
static uvec32 kHashMul1 = {
|
|
0x30f35d61, // 33 ^ 11
|
|
0x855cb541, // 33 ^ 10
|
|
0x040a9121, // 33 ^ 9
|
|
0x747c7101, // 33 ^ 8
|
|
};
|
|
static uvec32 kHashMul2 = {
|
|
0xec41d4e1, // 33 ^ 7
|
|
0x4cfa3cc1, // 33 ^ 6
|
|
0x025528a1, // 33 ^ 5
|
|
0x00121881, // 33 ^ 4
|
|
};
|
|
static uvec32 kHashMul3 = {
|
|
0x00008c61, // 33 ^ 3
|
|
0x00000441, // 33 ^ 2
|
|
0x00000021, // 33 ^ 1
|
|
0x00000001, // 33 ^ 0
|
|
};
|
|
|
|
// 27: 66 0F 38 40 C6 pmulld xmm0,xmm6
|
|
// 44: 66 0F 38 40 DD pmulld xmm3,xmm5
|
|
// 59: 66 0F 38 40 E5 pmulld xmm4,xmm5
|
|
// 72: 66 0F 38 40 D5 pmulld xmm2,xmm5
|
|
// 83: 66 0F 38 40 CD pmulld xmm1,xmm5
|
|
#define pmulld(reg) _asm _emit 0x66 _asm _emit 0x0F _asm _emit 0x38 \
|
|
_asm _emit 0x40 _asm _emit reg
|
|
|
|
__declspec(naked) __declspec(align(16))
|
|
uint32 HashDjb2_SSE41(const uint8* src, int count, uint32 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, kHash16x33
|
|
|
|
wloop:
|
|
movdqu xmm1, [eax] // src[0-15]
|
|
lea eax, [eax + 16]
|
|
pmulld(0xc6) // pmulld xmm0,xmm6 hash *= 33 ^ 16
|
|
movdqa xmm5, kHashMul0
|
|
movdqa xmm2, xmm1
|
|
punpcklbw xmm2, xmm7 // src[0-7]
|
|
movdqa xmm3, xmm2
|
|
punpcklwd xmm3, xmm7 // src[0-3]
|
|
pmulld(0xdd) // pmulld xmm3, xmm5
|
|
movdqa xmm5, kHashMul1
|
|
movdqa xmm4, xmm2
|
|
punpckhwd xmm4, xmm7 // src[4-7]
|
|
pmulld(0xe5) // pmulld xmm4, xmm5
|
|
movdqa xmm5, kHashMul2
|
|
punpckhbw xmm1, xmm7 // src[8-15]
|
|
movdqa xmm2, xmm1
|
|
punpcklwd xmm2, xmm7 // src[8-11]
|
|
pmulld(0xd5) // pmulld xmm2, xmm5
|
|
movdqa xmm5, kHashMul3
|
|
punpckhwd xmm1, xmm7 // src[12-15]
|
|
pmulld(0xcd) // 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.
|
|
#if _MSC_VER >= 1700
|
|
__declspec(naked) __declspec(align(16))
|
|
uint32 HashDjb2_AVX2(const uint8* src, int count, uint32 seed) {
|
|
__asm {
|
|
mov eax, [esp + 4] // src
|
|
mov ecx, [esp + 8] // count
|
|
movd xmm0, [esp + 12] // seed
|
|
movdqa xmm6, kHash16x33
|
|
|
|
wloop:
|
|
vpmovzxbd xmm3, dword ptr [eax] // src[0-3]
|
|
pmulld xmm0, xmm6 // hash *= 33 ^ 16
|
|
vpmovzxbd xmm4, dword ptr [eax + 4] // src[4-7]
|
|
pmulld xmm3, kHashMul0
|
|
vpmovzxbd xmm2, dword ptr [eax + 8] // src[8-11]
|
|
pmulld xmm4, kHashMul1
|
|
vpmovzxbd xmm1, dword ptr [eax + 12] // src[12-15]
|
|
pmulld xmm2, kHashMul2
|
|
lea eax, [eax + 16]
|
|
pmulld xmm1, kHashMul3
|
|
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
|
|
}
|
|
}
|
|
#endif // _MSC_VER >= 1700
|
|
|
|
#endif // !defined(LIBYUV_DISABLE_X86) && defined(_M_IX86) && defined(_MSC_VER)
|
|
|
|
#ifdef __cplusplus
|
|
} // extern "C"
|
|
} // namespace libyuv
|
|
#endif
|