source/libvpx/third_party/libyuv/source/compare_posix.cc - Issue 1302353004: libvpx: Pull from upstream

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Issue 1302353004: libvpx: Pull from upstream (Closed) Base URL: https://chromium.googlesource.com/chromium/deps/libvpx.git@master

Patch Set: Created 5 years, 3 months ago

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1 /*

2 * Copyright 2012 The LibYuv Project Authors. All rights reserved.

3 *

4 * Use of this source code is governed by a BSD-style license

5 * that can be found in the LICENSE file in the root of the source

6 * tree. An additional intellectual property rights grant can be found

7 * in the file PATENTS. All contributing project authors may

8 * be found in the AUTHORS file in the root of the source tree.

9 */

10

11 #include "libyuv/basic_types.h"

12 #include "libyuv/row.h"

13

14 #ifdef __cplusplus

15 namespace libyuv {

16 extern "C" {

17 #endif

18

19 #if !defined(LIBYUV_DISABLE_X86) && (defined(__x86_64__) \|\| defined(__i386__))

20

21 uint32 SumSquareError_SSE2(const uint8* src_a, const uint8* src_b, int count) {

22 uint32 sse;

23 asm volatile ( // NOLINT

24 "pxor %%xmm0,%%xmm0 \n"

25 "pxor %%xmm5,%%xmm5 \n"

26 LABELALIGN

27 "1: \n"

28 "movdqu " MEMACCESS(0) ",%%xmm1 \n"

29 "lea " MEMLEA(0x10, 0) ",%0 \n"

30 "movdqu " MEMACCESS(1) ",%%xmm2 \n"

31 "lea " MEMLEA(0x10, 1) ",%1 \n"

32 "movdqa %%xmm1,%%xmm3 \n"

33 "psubusb %%xmm2,%%xmm1 \n"

34 "psubusb %%xmm3,%%xmm2 \n"

35 "por %%xmm2,%%xmm1 \n"

36 "movdqa %%xmm1,%%xmm2 \n"

37 "punpcklbw %%xmm5,%%xmm1 \n"

38 "punpckhbw %%xmm5,%%xmm2 \n"

39 "pmaddwd %%xmm1,%%xmm1 \n"

40 "pmaddwd %%xmm2,%%xmm2 \n"

41 "paddd %%xmm1,%%xmm0 \n"

42 "paddd %%xmm2,%%xmm0 \n"

43 "sub $0x10,%2 \n"

44 "jg 1b \n"

45

46 "pshufd $0xee,%%xmm0,%%xmm1 \n"

47 "paddd %%xmm1,%%xmm0 \n"

48 "pshufd $0x1,%%xmm0,%%xmm1 \n"

49 "paddd %%xmm1,%%xmm0 \n"

50 "movd %%xmm0,%3 \n"

51

52 : "+r"(src_a), // %0

53 "+r"(src_b), // %1

54 "+r"(count), // %2

55 "=g"(sse) // %3

56 :: "memory", "cc", "xmm0", "xmm1", "xmm2", "xmm3", "xmm5"

57 ); // NOLINT

58 return sse;

59 }

60

61 #endif // defined(__x86_64__) \|\| defined(__i386__)

62

63 #if !defined(LIBYUV_DISABLE_X86) && \

64 (defined(__x86_64__) \|\| (defined(__i386__) && !defined(__pic__)))

65 #define HAS_HASHDJB2_SSE41

66 static uvec32 kHash16x33 = { 0x92d9e201, 0, 0, 0 }; // 33 ^ 16

67 static uvec32 kHashMul0 = {

68 0x0c3525e1, // 33 ^ 15

69 0xa3476dc1, // 33 ^ 14

70 0x3b4039a1, // 33 ^ 13

71 0x4f5f0981, // 33 ^ 12

72 };

73 static uvec32 kHashMul1 = {

74 0x30f35d61, // 33 ^ 11

75 0x855cb541, // 33 ^ 10

76 0x040a9121, // 33 ^ 9

77 0x747c7101, // 33 ^ 8

78 };

79 static uvec32 kHashMul2 = {

80 0xec41d4e1, // 33 ^ 7

81 0x4cfa3cc1, // 33 ^ 6

82 0x025528a1, // 33 ^ 5

83 0x00121881, // 33 ^ 4

84 };

85 static uvec32 kHashMul3 = {

86 0x00008c61, // 33 ^ 3

87 0x00000441, // 33 ^ 2

88 0x00000021, // 33 ^ 1

89 0x00000001, // 33 ^ 0

90 };

91

92 uint32 HashDjb2_SSE41(const uint8* src, int count, uint32 seed) {

93 uint32 hash;

94 asm volatile ( // NOLINT

95 "movd %2,%%xmm0 \n"

96 "pxor %%xmm7,%%xmm7 \n"

97 "movdqa %4,%%xmm6 \n"

98 LABELALIGN

99 "1: \n"

100 "movdqu " MEMACCESS(0) ",%%xmm1 \n"

101 "lea " MEMLEA(0x10, 0) ",%0 \n"

102 "pmulld %%xmm6,%%xmm0 \n"

103 "movdqa %5,%%xmm5 \n"

104 "movdqa %%xmm1,%%xmm2 \n"

105 "punpcklbw %%xmm7,%%xmm2 \n"

106 "movdqa %%xmm2,%%xmm3 \n"

107 "punpcklwd %%xmm7,%%xmm3 \n"

108 "pmulld %%xmm5,%%xmm3 \n"

109 "movdqa %6,%%xmm5 \n"

110 "movdqa %%xmm2,%%xmm4 \n"

111 "punpckhwd %%xmm7,%%xmm4 \n"

112 "pmulld %%xmm5,%%xmm4 \n"

113 "movdqa %7,%%xmm5 \n"

114 "punpckhbw %%xmm7,%%xmm1 \n"

115 "movdqa %%xmm1,%%xmm2 \n"

116 "punpcklwd %%xmm7,%%xmm2 \n"

117 "pmulld %%xmm5,%%xmm2 \n"

118 "movdqa %8,%%xmm5 \n"

119 "punpckhwd %%xmm7,%%xmm1 \n"

120 "pmulld %%xmm5,%%xmm1 \n"

121 "paddd %%xmm4,%%xmm3 \n"

122 "paddd %%xmm2,%%xmm1 \n"

123 "paddd %%xmm3,%%xmm1 \n"

124 "pshufd $0xe,%%xmm1,%%xmm2 \n"

125 "paddd %%xmm2,%%xmm1 \n"

126 "pshufd $0x1,%%xmm1,%%xmm2 \n"

127 "paddd %%xmm2,%%xmm1 \n"

128 "paddd %%xmm1,%%xmm0 \n"

129 "sub $0x10,%1 \n"

130 "jg 1b \n"

131 "movd %%xmm0,%3 \n"

132 : "+r"(src), // %0

133 "+r"(count), // %1

134 "+rm"(seed), // %2

135 "=g"(hash) // %3

136 : "m"(kHash16x33), // %4

137 "m"(kHashMul0), // %5

138 "m"(kHashMul1), // %6

139 "m"(kHashMul2), // %7

140 "m"(kHashMul3) // %8

141 : "memory", "cc"

142 , "xmm0", "xmm1", "xmm2", "xmm3", "xmm4", "xmm5", "xmm6", "xmm7"

143 ); // NOLINT

144 return hash;

145 }

146 #endif // defined(__x86_64__) \|\| (defined(__i386__) && !defined(__pic__)))

147

148 #ifdef __cplusplus

149 } // extern "C"

150 } // namespace libyuv

151 #endif

152

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