simd/jcqnt3dn.asm - Issue 1953443002: Update to libjpeg_turbo 1.4.90

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Issue 1953443002: Update to libjpeg_turbo 1.4.90 (Closed) Base URL: https://chromium.googlesource.com/chromium/deps/libjpeg_turbo.git@master

Patch Set: Created 4 years, 7 months ago

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1 ;

2 ; jcqnt3dn.asm - sample data conversion and quantization (3DNow! & MMX)

3 ;

4 ; Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB

5 ;

6 ; Based on

7 ; x86 SIMD extension for IJG JPEG library

8 ; Copyright (C) 1999-2006, MIYASAKA Masaru.

9 ; For conditions of distribution and use, see copyright notice in jsimdext.inc

10 ;

11 ; This file should be assembled with NASM (Netwide Assembler),

12 ; can not be assembled with Microsoft's MASM or any compatible

13 ; assembler (including Borland's Turbo Assembler).

14 ; NASM is available from http://nasm.sourceforge.net/ or

15 ; http://sourceforge.net/project/showfiles.php?group_id=6208

16 ;

17 ; [TAB8]

18

19 %include "jsimdext.inc"

20 %include "jdct.inc"

21

22 ; --------------------------------------------------------------------------

23 SECTION SEG_TEXT

24 BITS 32

25 ;

26 ; Load data into workspace, applying unsigned->signed conversion

27 ;

28 ; GLOBAL(void)

29 ; jsimd_convsamp_float_3dnow (JSAMPARRAY sample_data, JDIMENSION start_col,

30 ; FAST_FLOAT * workspace);

31 ;

32

33 %define sample_data ebp+8 ; JSAMPARRAY sample_data

34 %define start_col ebp+12 ; JDIMENSION start_col

35 %define workspace ebp+16 ; FAST_FLOAT * workspace

36

37 align 16

38 global EXTN(jsimd_convsamp_float_3dnow) PRIVATE

39

40 EXTN(jsimd_convsamp_float_3dnow):

41 push ebp

42 mov ebp,esp

43 push ebx

44 ; push ecx ; need not be preserved

45 ; push edx ; need not be preserved

46 push esi

47 push edi

48

49 pcmpeqw mm7,mm7

50 psllw mm7,7

51 packsswb mm7,mm7 ; mm7 = PB_CENTERJSAMPLE (0x808080..)

52

53 mov esi, JSAMPARRAY [sample_data] ; (JSAMPROW *)

54 mov eax, JDIMENSION [start_col]

55 mov edi, POINTER [workspace] ; (DCTELEM *)

56 mov ecx, DCTSIZE/2

57 alignx 16,7

58 .convloop:

59 mov ebx, JSAMPROW [esi+0SIZEOF_JSAMPROW] ; (JSAMPLE )

60 mov edx, JSAMPROW [esi+1SIZEOF_JSAMPROW] ; (JSAMPLE )

61

62 movq mm0, MMWORD [ebx+eax*SIZEOF_JSAMPLE]

63 movq mm1, MMWORD [edx+eax*SIZEOF_JSAMPLE]

64

65 psubb mm0,mm7 ; mm0=(01234567)

66 psubb mm1,mm7 ; mm1=(89ABCDEF)

67

68 punpcklbw mm2,mm0 ; mm2=(0123)

69 punpckhbw mm0,mm0 ; mm0=(4567)

70 punpcklbw mm3,mm1 ; mm3=(89AB)

71 punpckhbw mm1,mm1 ; mm1=(CDEF)

72

73 punpcklwd mm4,mm2 ; mm4=(*0*1)

74 punpckhwd mm2,mm2 ; mm2=(*2*3)

75 punpcklwd mm5,mm0 ; mm5=(*4*5)

76 punpckhwd mm0,mm0 ; mm0=(*6*7)

77

78 psrad mm4,(DWORD_BIT-BYTE_BIT) ; mm4=(01)

79 psrad mm2,(DWORD_BIT-BYTE_BIT) ; mm2=(23)

80 pi2fd mm4,mm4

81 pi2fd mm2,mm2

82 psrad mm5,(DWORD_BIT-BYTE_BIT) ; mm5=(45)

83 psrad mm0,(DWORD_BIT-BYTE_BIT) ; mm0=(67)

84 pi2fd mm5,mm5

85 pi2fd mm0,mm0

86

87 movq MMWORD [MMBLOCK(0,0,edi,SIZEOF_FAST_FLOAT)], mm4

88 movq MMWORD [MMBLOCK(0,1,edi,SIZEOF_FAST_FLOAT)], mm2

89 movq MMWORD [MMBLOCK(0,2,edi,SIZEOF_FAST_FLOAT)], mm5

90 movq MMWORD [MMBLOCK(0,3,edi,SIZEOF_FAST_FLOAT)], mm0

91

92 punpcklwd mm6,mm3 ; mm6=(*8*9)

93 punpckhwd mm3,mm3 ; mm3=(*A*B)

94 punpcklwd mm4,mm1 ; mm4=(*C*D)

95 punpckhwd mm1,mm1 ; mm1=(*E*F)

96

97 psrad mm6,(DWORD_BIT-BYTE_BIT) ; mm6=(89)

98 psrad mm3,(DWORD_BIT-BYTE_BIT) ; mm3=(AB)

99 pi2fd mm6,mm6

100 pi2fd mm3,mm3

101 psrad mm4,(DWORD_BIT-BYTE_BIT) ; mm4=(CD)

102 psrad mm1,(DWORD_BIT-BYTE_BIT) ; mm1=(EF)

103 pi2fd mm4,mm4

104 pi2fd mm1,mm1

105

106 movq MMWORD [MMBLOCK(1,0,edi,SIZEOF_FAST_FLOAT)], mm6

107 movq MMWORD [MMBLOCK(1,1,edi,SIZEOF_FAST_FLOAT)], mm3

108 movq MMWORD [MMBLOCK(1,2,edi,SIZEOF_FAST_FLOAT)], mm4

109 movq MMWORD [MMBLOCK(1,3,edi,SIZEOF_FAST_FLOAT)], mm1

110

111 add esi, byte 2*SIZEOF_JSAMPROW

112 add edi, byte 2DCTSIZESIZEOF_FAST_FLOAT

113 dec ecx

114 jnz near .convloop

115

116 femms ; empty MMX/3DNow! state

117

118 pop edi

119 pop esi

120 ; pop edx ; need not be preserved

121 ; pop ecx ; need not be preserved

122 pop ebx

123 pop ebp

124 ret

125

126

127 ; --------------------------------------------------------------------------

128 ;

129 ; Quantize/descale the coefficients, and store into coef_block

130 ;

131 ; GLOBAL(void)

132 ; jsimd_quantize_float_3dnow (JCOEFPTR coef_block, FAST_FLOAT * divisors,

133 ; FAST_FLOAT * workspace);

134 ;

135

136 %define coef_block ebp+8 ; JCOEFPTR coef_block

137 %define divisors ebp+12 ; FAST_FLOAT * divisors

138 %define workspace ebp+16 ; FAST_FLOAT * workspace

139

140 align 16

141 global EXTN(jsimd_quantize_float_3dnow) PRIVATE

142

143 EXTN(jsimd_quantize_float_3dnow):

144 push ebp

145 mov ebp,esp

146 ; push ebx ; unused

147 ; push ecx ; unused

148 ; push edx ; need not be preserved

149 push esi

150 push edi

151

152 mov eax, 0x4B400000 ; (float)0x00C00000 (rndint_magic)

153 movd mm7,eax

154 punpckldq mm7,mm7 ; mm7={12582912.0F 12582912.0F}

155

156 mov esi, POINTER [workspace]

157 mov edx, POINTER [divisors]

158 mov edi, JCOEFPTR [coef_block]

159 mov eax, DCTSIZE2/16

160 alignx 16,7

161 .quantloop:

162 movq mm0, MMWORD [MMBLOCK(0,0,esi,SIZEOF_FAST_FLOAT)]

163 movq mm1, MMWORD [MMBLOCK(0,1,esi,SIZEOF_FAST_FLOAT)]

164 pfmul mm0, MMWORD [MMBLOCK(0,0,edx,SIZEOF_FAST_FLOAT)]

165 pfmul mm1, MMWORD [MMBLOCK(0,1,edx,SIZEOF_FAST_FLOAT)]

166 movq mm2, MMWORD [MMBLOCK(0,2,esi,SIZEOF_FAST_FLOAT)]

167 movq mm3, MMWORD [MMBLOCK(0,3,esi,SIZEOF_FAST_FLOAT)]

168 pfmul mm2, MMWORD [MMBLOCK(0,2,edx,SIZEOF_FAST_FLOAT)]

169 pfmul mm3, MMWORD [MMBLOCK(0,3,edx,SIZEOF_FAST_FLOAT)]

170

171 pfadd mm0,mm7 ; mm0=(00 01 )

172 pfadd mm1,mm7 ; mm1=(02 03 )

173 pfadd mm2,mm7 ; mm0=(04 05 )

174 pfadd mm3,mm7 ; mm1=(06 07 )

175

176 movq mm4,mm0

177 punpcklwd mm0,mm1 ; mm0=(00 02 )

178 punpckhwd mm4,mm1 ; mm4=(01 03 )

179 movq mm5,mm2

180 punpcklwd mm2,mm3 ; mm2=(04 06 )

181 punpckhwd mm5,mm3 ; mm5=(05 07 )

182

183 punpcklwd mm0,mm4 ; mm0=(00 01 02 03)

184 punpcklwd mm2,mm5 ; mm2=(04 05 06 07)

185

186 movq mm6, MMWORD [MMBLOCK(1,0,esi,SIZEOF_FAST_FLOAT)]

187 movq mm1, MMWORD [MMBLOCK(1,1,esi,SIZEOF_FAST_FLOAT)]

188 pfmul mm6, MMWORD [MMBLOCK(1,0,edx,SIZEOF_FAST_FLOAT)]

189 pfmul mm1, MMWORD [MMBLOCK(1,1,edx,SIZEOF_FAST_FLOAT)]

190 movq mm3, MMWORD [MMBLOCK(1,2,esi,SIZEOF_FAST_FLOAT)]

191 movq mm4, MMWORD [MMBLOCK(1,3,esi,SIZEOF_FAST_FLOAT)]

192 pfmul mm3, MMWORD [MMBLOCK(1,2,edx,SIZEOF_FAST_FLOAT)]

193 pfmul mm4, MMWORD [MMBLOCK(1,3,edx,SIZEOF_FAST_FLOAT)]

194

195 pfadd mm6,mm7 ; mm0=(10 11 )

196 pfadd mm1,mm7 ; mm4=(12 13 )

197 pfadd mm3,mm7 ; mm0=(14 15 )

198 pfadd mm4,mm7 ; mm4=(16 17 )

199

200 movq mm5,mm6

201 punpcklwd mm6,mm1 ; mm6=(10 12 )

202 punpckhwd mm5,mm1 ; mm5=(11 13 )

203 movq mm1,mm3

204 punpcklwd mm3,mm4 ; mm3=(14 16 )

205 punpckhwd mm1,mm4 ; mm1=(15 17 )

206

207 punpcklwd mm6,mm5 ; mm6=(10 11 12 13)

208 punpcklwd mm3,mm1 ; mm3=(14 15 16 17)

209

210 movq MMWORD [MMBLOCK(0,0,edi,SIZEOF_JCOEF)], mm0

211 movq MMWORD [MMBLOCK(0,1,edi,SIZEOF_JCOEF)], mm2

212 movq MMWORD [MMBLOCK(1,0,edi,SIZEOF_JCOEF)], mm6

213 movq MMWORD [MMBLOCK(1,1,edi,SIZEOF_JCOEF)], mm3

214

215 add esi, byte 16*SIZEOF_FAST_FLOAT

216 add edx, byte 16*SIZEOF_FAST_FLOAT

217 add edi, byte 16*SIZEOF_JCOEF

218 dec eax

219 jnz near .quantloop

220

221 femms ; empty MMX/3DNow! state

222

223 pop edi

224 pop esi

225 ; pop edx ; need not be preserved

226 ; pop ecx ; unused

227 ; pop ebx ; unused

228 pop ebp

229 ret

230

231 ; For some reason, the OS X linker does not honor the request to align the

232 ; segment unless we do this.

233 align 16

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