source/libvpx/vp9/common/arm/neon/vp9_idct16x16_1_add_neon.asm - Issue 812033011: libvpx: Pull from upstream

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Issue 812033011: libvpx: Pull from upstream (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/deps/third_party/libvpx/

Patch Set: Created 5 years, 11 months ago

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1 ;

2 ; Copyright (c) 2013 The WebM project authors. All Rights Reserved.

3 ;

4 ; Use of this source code is governed by a BSD-style license and patent

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

6 ; tree. All contributing project authors may be found in the AUTHORS

7 ; file in the root of the source tree.

8 ;

9

10

11 EXPORT \|vp9_idct16x16_1_add_neon\|

12 ARM

13 REQUIRE8

14 PRESERVE8

15

16 AREA \|\|.text\|\|, CODE, READONLY, ALIGN=2

17

18 ;void vp9_idct16x16_1_add_neon(int16_t input, uint8_t dest,

19 ; int dest_stride)

20 ;

21 ; r0 int16_t input

22 ; r1 uint8_t *dest

23 ; r2 int dest_stride)

24

25 \|vp9_idct16x16_1_add_neon\| PROC

26 ldrsh r0, [r0]

27

28 ; generate cospi_16_64 = 11585

29 mov r12, #0x2d00

30 add r12, #0x41

31

32 ; out = dct_const_round_shift(input[0] * cospi_16_64)

33 mul r0, r0, r12 ; input[0] * cospi_16_64

34 add r0, r0, #0x2000 ; +(1 << ((DCT_CONST_BITS) - 1))

35 asr r0, r0, #14 ; >> DCT_CONST_BITS

36

37 ; out = dct_const_round_shift(out * cospi_16_64)

38 mul r0, r0, r12 ; out * cospi_16_64

39 mov r12, r1 ; save dest

40 add r0, r0, #0x2000 ; +(1 << ((DCT_CONST_BITS) - 1))

41 asr r0, r0, #14 ; >> DCT_CONST_BITS

42

43 ; a1 = ROUND_POWER_OF_TWO(out, 6)

44 add r0, r0, #32 ; + (1 <<((6) - 1))

45 asr r0, r0, #6 ; >> 6

46

47 vdup.s16 q0, r0 ; duplicate a1

48 mov r0, #8

49 sub r2, #8

50

51 ; load destination data row0 - row3

52 vld1.64 {d2}, [r1], r0

53 vld1.64 {d3}, [r1], r2

54 vld1.64 {d4}, [r1], r0

55 vld1.64 {d5}, [r1], r2

56 vld1.64 {d6}, [r1], r0

57 vld1.64 {d7}, [r1], r2

58 vld1.64 {d16}, [r1], r0

59 vld1.64 {d17}, [r1], r2

60

61 vaddw.u8 q9, q0, d2 ; dest[x] + a1

62 vaddw.u8 q10, q0, d3 ; dest[x] + a1

63 vaddw.u8 q11, q0, d4 ; dest[x] + a1

64 vaddw.u8 q12, q0, d5 ; dest[x] + a1

65 vqmovun.s16 d2, q9 ; clip_pixel

66 vqmovun.s16 d3, q10 ; clip_pixel

67 vqmovun.s16 d30, q11 ; clip_pixel

68 vqmovun.s16 d31, q12 ; clip_pixel

69 vst1.64 {d2}, [r12], r0

70 vst1.64 {d3}, [r12], r2

71 vst1.64 {d30}, [r12], r0

72 vst1.64 {d31}, [r12], r2

73

74 vaddw.u8 q9, q0, d6 ; dest[x] + a1

75 vaddw.u8 q10, q0, d7 ; dest[x] + a1

76 vaddw.u8 q11, q0, d16 ; dest[x] + a1

77 vaddw.u8 q12, q0, d17 ; dest[x] + a1

78 vqmovun.s16 d2, q9 ; clip_pixel

79 vqmovun.s16 d3, q10 ; clip_pixel

80 vqmovun.s16 d30, q11 ; clip_pixel

81 vqmovun.s16 d31, q12 ; clip_pixel

82 vst1.64 {d2}, [r12], r0

83 vst1.64 {d3}, [r12], r2

84 vst1.64 {d30}, [r12], r0

85 vst1.64 {d31}, [r12], r2

86

87 ; load destination data row4 - row7

88 vld1.64 {d2}, [r1], r0

89 vld1.64 {d3}, [r1], r2

90 vld1.64 {d4}, [r1], r0

91 vld1.64 {d5}, [r1], r2

92 vld1.64 {d6}, [r1], r0

93 vld1.64 {d7}, [r1], r2

94 vld1.64 {d16}, [r1], r0

95 vld1.64 {d17}, [r1], r2

96

97 vaddw.u8 q9, q0, d2 ; dest[x] + a1

98 vaddw.u8 q10, q0, d3 ; dest[x] + a1

99 vaddw.u8 q11, q0, d4 ; dest[x] + a1

100 vaddw.u8 q12, q0, d5 ; dest[x] + a1

101 vqmovun.s16 d2, q9 ; clip_pixel

102 vqmovun.s16 d3, q10 ; clip_pixel

103 vqmovun.s16 d30, q11 ; clip_pixel

104 vqmovun.s16 d31, q12 ; clip_pixel

105 vst1.64 {d2}, [r12], r0

106 vst1.64 {d3}, [r12], r2

107 vst1.64 {d30}, [r12], r0

108 vst1.64 {d31}, [r12], r2

109

110 vaddw.u8 q9, q0, d6 ; dest[x] + a1

111 vaddw.u8 q10, q0, d7 ; dest[x] + a1

112 vaddw.u8 q11, q0, d16 ; dest[x] + a1

113 vaddw.u8 q12, q0, d17 ; dest[x] + a1

114 vqmovun.s16 d2, q9 ; clip_pixel

115 vqmovun.s16 d3, q10 ; clip_pixel

116 vqmovun.s16 d30, q11 ; clip_pixel

117 vqmovun.s16 d31, q12 ; clip_pixel

118 vst1.64 {d2}, [r12], r0

119 vst1.64 {d3}, [r12], r2

120 vst1.64 {d30}, [r12], r0

121 vst1.64 {d31}, [r12], r2

122

123 ; load destination data row8 - row11

124 vld1.64 {d2}, [r1], r0

125 vld1.64 {d3}, [r1], r2

126 vld1.64 {d4}, [r1], r0

127 vld1.64 {d5}, [r1], r2

128 vld1.64 {d6}, [r1], r0

129 vld1.64 {d7}, [r1], r2

130 vld1.64 {d16}, [r1], r0

131 vld1.64 {d17}, [r1], r2

132

133 vaddw.u8 q9, q0, d2 ; dest[x] + a1

134 vaddw.u8 q10, q0, d3 ; dest[x] + a1

135 vaddw.u8 q11, q0, d4 ; dest[x] + a1

136 vaddw.u8 q12, q0, d5 ; dest[x] + a1

137 vqmovun.s16 d2, q9 ; clip_pixel

138 vqmovun.s16 d3, q10 ; clip_pixel

139 vqmovun.s16 d30, q11 ; clip_pixel

140 vqmovun.s16 d31, q12 ; clip_pixel

141 vst1.64 {d2}, [r12], r0

142 vst1.64 {d3}, [r12], r2

143 vst1.64 {d30}, [r12], r0

144 vst1.64 {d31}, [r12], r2

145

146 vaddw.u8 q9, q0, d6 ; dest[x] + a1

147 vaddw.u8 q10, q0, d7 ; dest[x] + a1

148 vaddw.u8 q11, q0, d16 ; dest[x] + a1

149 vaddw.u8 q12, q0, d17 ; dest[x] + a1

150 vqmovun.s16 d2, q9 ; clip_pixel

151 vqmovun.s16 d3, q10 ; clip_pixel

152 vqmovun.s16 d30, q11 ; clip_pixel

153 vqmovun.s16 d31, q12 ; clip_pixel

154 vst1.64 {d2}, [r12], r0

155 vst1.64 {d3}, [r12], r2

156 vst1.64 {d30}, [r12], r0

157 vst1.64 {d31}, [r12], r2

158

159 ; load destination data row12 - row15

160 vld1.64 {d2}, [r1], r0

161 vld1.64 {d3}, [r1], r2

162 vld1.64 {d4}, [r1], r0

163 vld1.64 {d5}, [r1], r2

164 vld1.64 {d6}, [r1], r0

165 vld1.64 {d7}, [r1], r2

166 vld1.64 {d16}, [r1], r0

167 vld1.64 {d17}, [r1], r2

168

169 vaddw.u8 q9, q0, d2 ; dest[x] + a1

170 vaddw.u8 q10, q0, d3 ; dest[x] + a1

171 vaddw.u8 q11, q0, d4 ; dest[x] + a1

172 vaddw.u8 q12, q0, d5 ; dest[x] + a1

173 vqmovun.s16 d2, q9 ; clip_pixel

174 vqmovun.s16 d3, q10 ; clip_pixel

175 vqmovun.s16 d30, q11 ; clip_pixel

176 vqmovun.s16 d31, q12 ; clip_pixel

177 vst1.64 {d2}, [r12], r0

178 vst1.64 {d3}, [r12], r2

179 vst1.64 {d30}, [r12], r0

180 vst1.64 {d31}, [r12], r2

181

182 vaddw.u8 q9, q0, d6 ; dest[x] + a1

183 vaddw.u8 q10, q0, d7 ; dest[x] + a1

184 vaddw.u8 q11, q0, d16 ; dest[x] + a1

185 vaddw.u8 q12, q0, d17 ; dest[x] + a1

186 vqmovun.s16 d2, q9 ; clip_pixel

187 vqmovun.s16 d3, q10 ; clip_pixel

188 vqmovun.s16 d30, q11 ; clip_pixel

189 vqmovun.s16 d31, q12 ; clip_pixel

190 vst1.64 {d2}, [r12], r0

191 vst1.64 {d3}, [r12], r2

192 vst1.64 {d30}, [r12], r0

193 vst1.64 {d31}, [r12], r2

194

195 bx lr

196 ENDP ; \|vp9_idct16x16_1_add_neon\|

197

198 END

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