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562
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1 /*
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2 dct64_sse: MMX/SSE optimized dct64
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3
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4 copyright 2006-2007 by Zuxy Meng <zuxy.meng@gmail.com> / the mpg123 project - free software under the terms of the LGPL 2.1
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5 see COPYING and AUTHORS files in distribution or http://mpg123.org
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6 initially written by the mysterious higway for MMX (apparently)
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7 then developed into SSE opt by Zuxy Meng, also building on Romain Dolbeau's AltiVec
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8 Both have agreed to distribution under LGPL 2.1 .
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9
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10 Transformed back into standalone asm, with help of
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11 gcc -S -DHAVE_CONFIG_H -I. -march=pentium3 -O3 -Wall -pedantic -fno-strict-aliasing -DREAL_IS_FLOAT -c -o dct64_sse.{S,c}
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12
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13 Original comment from MPlayer source follows:
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14 */
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15
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16 /*
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17 * Discrete Cosine Tansform (DCT) for SSE
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18 * based upon code from mp3lib/dct64.c, mp3lib/dct64_altivec.c
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19 * and mp3lib/dct64_MMX.c
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20 */
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21
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22 #include "mangle.h"
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23
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24 #ifndef __APPLE__
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25 .section .rodata
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26 #else
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27 .data
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28 #endif
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29 ALIGN16
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30 /* .type nnnn, @object
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31 .size nnnn, 16 */
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32 nnnn:
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33 .long -2147483648
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34 .long -2147483648
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35 .long -2147483648
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36 .long -2147483648
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37 ALIGN16
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38 /* .type ppnn, @object
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39 .size ppnn, 16 */
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40 ppnn:
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41 .long 0
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42 .long 0
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43 .long -2147483648
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44 .long -2147483648
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45 ALIGN16
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46 /* .type pnpn, @object
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47 .size pnpn, 16 */
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48 pnpn:
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49 .long 0
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50 .long -2147483648
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51 .long 0
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52 .long -2147483648
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53 ALIGN4
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54 /* .type one.4748, @object
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55 .size one.4748, 4 */
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56 one.4748:
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57 .long 1065353216
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58
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59 .text
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60 ALIGN16,,15
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61 .globl ASM_NAME(dct64_sse)
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62 /* .type ASM_NAME(dct64_sse), @function */
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63 ASM_NAME(dct64_sse):
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64 pushl %ebp
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65 movl %esp, %ebp
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66 /* stack from ebp: 0=ebp 4=back 8=arg0 12=arg1 16=arg2 */
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67 #define ARG(n) (8+n*4)(%ebp)
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68 andl $-16, %esp /* align the stack at 16 bytes */
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69 subl $256, %esp /* reserve space for local b1 and b2 */
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70 pushl %ebx
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71 /* stack from esp: 0=ebx 4...131=b2 132...259=b1 */
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72 #define B1OFF 132
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73 #define B2OFF 4
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74 #define B1(n) (B1OFF+n)(%esp)
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75 #define B2(n) (B2OFF+n)(%esp)
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76
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77 movl ARG(2), %eax
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78 movl ARG(0), %ecx
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79 /* APP */
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80 /* for (i = 0; i < 0x20 / 2; i += 4) cycle 1 */
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81 movaps ASM_NAME(costab_mmxsse), %xmm3
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82 shufps $27, %xmm3, %xmm3
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83 MOVUAPS (%eax), %xmm1
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84 movaps %xmm1, %xmm4
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85 MOVUAPS 112(%eax), %xmm2
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86 shufps $27, %xmm4, %xmm4
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87 movaps %xmm2, %xmm0
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88 shufps $27, %xmm0, %xmm0
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89 addps %xmm0, %xmm1
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90 movaps %xmm1, B1(0)
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91 subps %xmm2, %xmm4
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92 mulps %xmm3, %xmm4
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93 movaps %xmm4, B1(112)
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94
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95 /* NO_APP */
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96 movl ARG(1), %ebx
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97 /* APP */
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98 /* for (i = 0; i < 0x20 / 2; i += 4) cycle 2 */
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99 movaps ASM_NAME(costab_mmxsse)+16, %xmm3
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100 shufps $27, %xmm3, %xmm3
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101 MOVUAPS 16(%eax), %xmm1
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102 movaps %xmm1, %xmm4
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103 MOVUAPS 96(%eax), %xmm2
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104 shufps $27, %xmm4, %xmm4
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105 movaps %xmm2, %xmm0
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106 shufps $27, %xmm0, %xmm0
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107 addps %xmm0, %xmm1
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108 movaps %xmm1, B1(16)
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109 subps %xmm2, %xmm4
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110 mulps %xmm3, %xmm4
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111 movaps %xmm4, B1(96)
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112
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113 /* for (i = 0; i < 0x20 / 2; i += 4) cycle 3 */
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114 movaps ASM_NAME(costab_mmxsse)+32, %xmm3
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115 shufps $27, %xmm3, %xmm3
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116 MOVUAPS 32(%eax), %xmm1
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117 movaps %xmm1, %xmm4
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118 MOVUAPS 80(%eax), %xmm2
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119 shufps $27, %xmm4, %xmm4
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120 movaps %xmm2, %xmm0
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121 shufps $27, %xmm0, %xmm0
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122 addps %xmm0, %xmm1
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123 movaps %xmm1, B1(32)
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124 subps %xmm2, %xmm4
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125 mulps %xmm3, %xmm4
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126 movaps %xmm4, B1(80)
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127
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128 /* for (i = 0; i < 0x20 / 2; i += 4) cycle 4 */
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129 movaps ASM_NAME(costab_mmxsse)+48, %xmm3
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130 shufps $27, %xmm3, %xmm3
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131 MOVUAPS 48(%eax), %xmm1
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132 movaps %xmm1, %xmm4
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133 MOVUAPS 64(%eax), %xmm2
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134 shufps $27, %xmm4, %xmm4
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135 movaps %xmm2, %xmm0
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136 shufps $27, %xmm0, %xmm0
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137 addps %xmm0, %xmm1
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138 movaps %xmm1, B1(48)
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139 subps %xmm2, %xmm4
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140 mulps %xmm3, %xmm4
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141 movaps %xmm4, B1(64)
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142
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143 movaps B1(0), %xmm1
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144 movaps B1(16), %xmm3
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145 movaps B1(32), %xmm4
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146 movaps B1(48), %xmm6
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147 movaps %xmm1, %xmm7
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148 shufps $27, %xmm7, %xmm7
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149 movaps %xmm3, %xmm5
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150 shufps $27, %xmm5, %xmm5
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151 movaps %xmm4, %xmm2
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152 shufps $27, %xmm2, %xmm2
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153 movaps %xmm6, %xmm0
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154 shufps $27, %xmm0, %xmm0
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155 addps %xmm0, %xmm1
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156 movaps %xmm1, B2(0)
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157 addps %xmm2, %xmm3
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158 movaps %xmm3, B2(16)
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159 subps %xmm4, %xmm5
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160 movaps %xmm5, B2(32)
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161 subps %xmm6, %xmm7
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162 movaps %xmm7, B2(48)
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163
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164 movaps B1(64), %xmm1
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165 movaps B1(80), %xmm3
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166 movaps B1(96), %xmm4
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167 movaps B1(112), %xmm6
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168 movaps %xmm1, %xmm7
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169 shufps $27, %xmm7, %xmm7
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170 movaps %xmm3, %xmm5
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171 shufps $27, %xmm5, %xmm5
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172 movaps %xmm4, %xmm2
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173 shufps $27, %xmm2, %xmm2
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174 movaps %xmm6, %xmm0
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175 shufps $27, %xmm0, %xmm0
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176 addps %xmm0, %xmm1
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177 movaps %xmm1, B2(64)
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178 addps %xmm2, %xmm3
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179 movaps %xmm3, B2(80)
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180 subps %xmm4, %xmm5
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181 movaps %xmm5, B2(96)
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182 subps %xmm6, %xmm7
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183 movaps %xmm7, B2(112)
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184
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185 movaps B2(32), %xmm0
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186 movaps B2(48), %xmm1
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187 movaps ASM_NAME(costab_mmxsse)+64, %xmm4
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188 xorps %xmm6, %xmm6
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189 shufps $27, %xmm4, %xmm4
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190 mulps %xmm4, %xmm1
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191 movaps ASM_NAME(costab_mmxsse)+80, %xmm2
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192 xorps %xmm7, %xmm7
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193 shufps $27, %xmm2, %xmm2
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194 mulps %xmm2, %xmm0
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195 movaps %xmm0, B2(32)
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196 movaps %xmm1, B2(48)
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197 movaps B2(96), %xmm3
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198 mulps %xmm2, %xmm3
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199 subps %xmm3, %xmm6
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200 movaps %xmm6, B2(96)
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201 movaps B2(112), %xmm5
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202 mulps %xmm4, %xmm5
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203 subps %xmm5, %xmm7
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204 movaps %xmm7, B2(112)
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205
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206 movaps ASM_NAME(costab_mmxsse)+96, %xmm0
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207 shufps $27, %xmm0, %xmm0
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208 movaps nnnn, %xmm5
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209 movaps %xmm5, %xmm6
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210
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211 movaps B2(0), %xmm2
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212 movaps B2(16), %xmm3
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213 movaps %xmm2, %xmm4
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214 xorps %xmm5, %xmm6
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215 shufps $27, %xmm4, %xmm4
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216 movaps %xmm3, %xmm1
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217 shufps $27, %xmm1, %xmm1
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218 addps %xmm1, %xmm2
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219 movaps %xmm2, B1(0)
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220 subps %xmm3, %xmm4
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221 xorps %xmm6, %xmm4
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222 mulps %xmm0, %xmm4
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223 movaps %xmm4, B1(16)
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224
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225 movaps B2(32), %xmm2
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226 movaps B2(48), %xmm3
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227 movaps %xmm2, %xmm4
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228 xorps %xmm5, %xmm6
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229 shufps $27, %xmm4, %xmm4
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230 movaps %xmm3, %xmm1
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231 shufps $27, %xmm1, %xmm1
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232 addps %xmm1, %xmm2
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233 movaps %xmm2, B1(32)
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234 subps %xmm3, %xmm4
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235 xorps %xmm6, %xmm4
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236 mulps %xmm0, %xmm4
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237 movaps %xmm4, B1(48)
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238
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239 movaps B2(64), %xmm2
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240 movaps B2(80), %xmm3
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241 movaps %xmm2, %xmm4
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242 xorps %xmm5, %xmm6
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243 shufps $27, %xmm4, %xmm4
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244 movaps %xmm3, %xmm1
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245 shufps $27, %xmm1, %xmm1
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246 addps %xmm1, %xmm2
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247 movaps %xmm2, B1(64)
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248 subps %xmm3, %xmm4
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249 xorps %xmm6, %xmm4
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250 mulps %xmm0, %xmm4
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251 movaps %xmm4, B1(80)
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252
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253 movaps B2(96), %xmm2
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254 movaps B2(112), %xmm3
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255 movaps %xmm2, %xmm4
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256 xorps %xmm5, %xmm6
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257 shufps $27, %xmm4, %xmm4
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258 movaps %xmm3, %xmm1
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259 shufps $27, %xmm1, %xmm1
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260 addps %xmm1, %xmm2
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261 movaps %xmm2, B1(96)
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262 subps %xmm3, %xmm4
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263 xorps %xmm6, %xmm4
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264 mulps %xmm0, %xmm4
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265 movaps %xmm4, B1(112)
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266
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267 movss one.4748, %xmm1
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268 movss ASM_NAME(costab_mmxsse)+112, %xmm0
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269 movaps %xmm1, %xmm3
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270 unpcklps %xmm0, %xmm3
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271 movss ASM_NAME(costab_mmxsse)+116, %xmm2
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272 movaps %xmm1, %xmm0
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273 unpcklps %xmm2, %xmm0
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274 unpcklps %xmm3, %xmm0
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275 movaps ppnn, %xmm2
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276
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277 movaps B1(0), %xmm3
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278 movaps %xmm3, %xmm4
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279 shufps $20, %xmm4, %xmm4
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280 shufps $235, %xmm3, %xmm3
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281 xorps %xmm2, %xmm3
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282 addps %xmm3, %xmm4
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283 mulps %xmm0, %xmm4
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284 movaps %xmm4, B2(0)
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285 movaps B1(16), %xmm6
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286 movaps %xmm6, %xmm5
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287 shufps $27, %xmm5, %xmm5
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288 xorps %xmm2, %xmm5
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289 addps %xmm5, %xmm6
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290 mulps %xmm0, %xmm6
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291 movaps %xmm6, B2(16)
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292
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293 movaps B1(32), %xmm3
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294 movaps %xmm3, %xmm4
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295 shufps $20, %xmm4, %xmm4
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296 shufps $235, %xmm3, %xmm3
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297 xorps %xmm2, %xmm3
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298 addps %xmm3, %xmm4
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299 mulps %xmm0, %xmm4
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300 movaps %xmm4, B2(32)
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301 movaps B1(48), %xmm6
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302 movaps %xmm6, %xmm5
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303 shufps $27, %xmm5, %xmm5
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304 xorps %xmm2, %xmm5
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305 addps %xmm5, %xmm6
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306 mulps %xmm0, %xmm6
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307 movaps %xmm6, B2(48)
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308
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309 movaps B1(64), %xmm3
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310 movaps %xmm3, %xmm4
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311 shufps $20, %xmm4, %xmm4
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312 shufps $235, %xmm3, %xmm3
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313 xorps %xmm2, %xmm3
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314 addps %xmm3, %xmm4
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315 mulps %xmm0, %xmm4
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316 movaps %xmm4, B2(64)
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317 movaps B1(80), %xmm6
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318 movaps %xmm6, %xmm5
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319 shufps $27, %xmm5, %xmm5
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320 xorps %xmm2, %xmm5
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321 addps %xmm5, %xmm6
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322 mulps %xmm0, %xmm6
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323 movaps %xmm6, B2(80)
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324
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325 movaps B1(96), %xmm3
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326 movaps %xmm3, %xmm4
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327 shufps $20, %xmm4, %xmm4
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328 shufps $235, %xmm3, %xmm3
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329 xorps %xmm2, %xmm3
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330 addps %xmm3, %xmm4
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331 mulps %xmm0, %xmm4
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332 movaps %xmm4, B2(96)
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333 movaps B1(112), %xmm6
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334 movaps %xmm6, %xmm5
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335 shufps $27, %xmm5, %xmm5
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336 xorps %xmm2, %xmm5
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337 addps %xmm5, %xmm6
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338 mulps %xmm0, %xmm6
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339 movaps %xmm6, B2(112)
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340
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341 movss ASM_NAME(costab_mmxsse)+120, %xmm0
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342 movaps %xmm1, %xmm2
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343 movaps %xmm0, %xmm7
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344 unpcklps %xmm1, %xmm2
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345 unpcklps %xmm0, %xmm7
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346 movaps pnpn, %xmm0
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347 unpcklps %xmm7, %xmm2
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348
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349 movaps B2(32), %xmm1
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350 movaps %xmm1, %xmm3
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351 shufps $224, %xmm3, %xmm3
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352 shufps $181, %xmm1, %xmm1
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353 xorps %xmm0, %xmm1
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354 addps %xmm1, %xmm3
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355 mulps %xmm2, %xmm3
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356 movaps %xmm3, B1(32)
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357 movaps B2(48), %xmm4
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358 movaps %xmm4, %xmm5
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359 shufps $224, %xmm5, %xmm5
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360 shufps $181, %xmm4, %xmm4
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361 xorps %xmm0, %xmm4
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362 addps %xmm4, %xmm5
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363 mulps %xmm2, %xmm5
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364 movaps %xmm5, B1(48)
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365
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366 movaps B2(64), %xmm1
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367 movaps %xmm1, %xmm3
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368 shufps $224, %xmm3, %xmm3
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369 shufps $181, %xmm1, %xmm1
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370 xorps %xmm0, %xmm1
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371 addps %xmm1, %xmm3
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372 mulps %xmm2, %xmm3
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373 movaps %xmm3, B1(64)
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374 movaps B2(80), %xmm4
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375 movaps %xmm4, %xmm5
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376 shufps $224, %xmm5, %xmm5
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377 shufps $181, %xmm4, %xmm4
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378 xorps %xmm0, %xmm4
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379 addps %xmm4, %xmm5
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380 mulps %xmm2, %xmm5
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381 movaps %xmm5, B1(80)
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382
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383 movaps B2(96), %xmm1
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384 movaps %xmm1, %xmm3
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385 shufps $224, %xmm3, %xmm3
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386 shufps $181, %xmm1, %xmm1
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387 xorps %xmm0, %xmm1
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388 addps %xmm1, %xmm3
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389 mulps %xmm2, %xmm3
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390 movaps %xmm3, B1(96)
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391 movaps B2(112), %xmm4
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392 movaps %xmm4, %xmm5
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393 shufps $224, %xmm5, %xmm5
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394 shufps $181, %xmm4, %xmm4
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395 xorps %xmm0, %xmm4
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396 addps %xmm4, %xmm5
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397 mulps %xmm2, %xmm5
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398 movaps %xmm5, B1(112)
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399
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400 /* NO_APP */
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401 flds B1(40)
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402 movl %esp, %edx
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403 addl $B1OFF, %edx
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404 movl %esp, %eax
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405 addl $B2OFF, %eax
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406 fadds B1(44)
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407 fstps B1(40)
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408 flds B1(56)
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409 fadds B1(60)
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410 flds B1(48)
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411 fadd %st(1), %st
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412 fstps B1(48)
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413 fadds B1(52)
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414 fstps B1(56)
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415 flds B1(52)
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416 fadds B1(60)
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417 fstps B1(52)
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418 flds B1(72)
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419 fadds B1(76)
|
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420 fstps B1(72)
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421 flds B1(88)
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422 fadds B1(92)
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|
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423 flds B1(80)
|
|
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424 fadd %st(1), %st
|
|
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425 fstps B1(80)
|
|
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426 fadds B1(84)
|
|
|
427 fstps B1(88)
|
|
|
428 flds B1(84)
|
|
|
429 fadds B1(92)
|
|
|
430 fstps B1(84)
|
|
|
431 flds B1(104)
|
|
|
432 fadds B1(108)
|
|
|
433 fstps B1(104)
|
|
|
434 flds B1(120)
|
|
|
435 fadds B1(124)
|
|
|
436 flds B1(112)
|
|
|
437 fadd %st(1), %st
|
|
|
438 fstps B1(112)
|
|
|
439 fadds B1(116)
|
|
|
440 fstps B1(120)
|
|
|
441 flds B1(116)
|
|
|
442 fadds B1(124)
|
|
|
443 fstps B1(116)
|
|
|
444 /* APP */
|
|
|
445 flds ASM_NAME(costab_mmxsse)+120
|
|
|
446 flds (%eax)
|
|
|
447 fadds 4(%eax)
|
|
|
448 fistp 512(%ecx)
|
|
|
449 flds (%eax)
|
|
|
450 fsubs 4(%eax)
|
|
|
451 fmul %st(1)
|
|
|
452 fistp (%ecx)
|
|
|
453 flds 12(%eax)
|
|
|
454 fsubs 8(%eax)
|
|
|
455 fmul %st(1)
|
|
|
456 fist 256(%ebx)
|
|
|
457 fadds 12(%eax)
|
|
|
458 fadds 8(%eax)
|
|
|
459 fistp 256(%ecx)
|
|
|
460 flds 16(%eax)
|
|
|
461 fsubs 20(%eax)
|
|
|
462 fmul %st(1)
|
|
|
463 flds 28(%eax)
|
|
|
464 fsubs 24(%eax)
|
|
|
465 fmul %st(2)
|
|
|
466 fist 384(%ebx)
|
|
|
467 fld %st(0)
|
|
|
468 fadds 24(%eax)
|
|
|
469 fadds 28(%eax)
|
|
|
470 fld %st(0)
|
|
|
471 fadds 16(%eax)
|
|
|
472 fadds 20(%eax)
|
|
|
473 fistp 384(%ecx)
|
|
|
474 fadd %st(2)
|
|
|
475 fistp 128(%ecx)
|
|
|
476 faddp %st(1)
|
|
|
477 fistp 128(%ebx)
|
|
|
478 flds 32(%edx)
|
|
|
479 fadds 48(%edx)
|
|
|
480 fistp 448(%ecx)
|
|
|
481 flds 48(%edx)
|
|
|
482 fadds 40(%edx)
|
|
|
483 fistp 320(%ecx)
|
|
|
484 flds 40(%edx)
|
|
|
485 fadds 56(%edx)
|
|
|
486 fistp 192(%ecx)
|
|
|
487 flds 56(%edx)
|
|
|
488 fadds 36(%edx)
|
|
|
489 fistp 64(%ecx)
|
|
|
490 flds 36(%edx)
|
|
|
491 fadds 52(%edx)
|
|
|
492 fistp 64(%ebx)
|
|
|
493 flds 52(%edx)
|
|
|
494 fadds 44(%edx)
|
|
|
495 fistp 192(%ebx)
|
|
|
496 flds 60(%edx)
|
|
|
497 fist 448(%ebx)
|
|
|
498 fadds 44(%edx)
|
|
|
499 fistp 320(%ebx)
|
|
|
500 flds 96(%edx)
|
|
|
501 fadds 112(%edx)
|
|
|
502 fld %st(0)
|
|
|
503 fadds 64(%edx)
|
|
|
504 fistp 480(%ecx)
|
|
|
505 fadds 80(%edx)
|
|
|
506 fistp 416(%ecx)
|
|
|
507 flds 112(%edx)
|
|
|
508 fadds 104(%edx)
|
|
|
509 fld %st(0)
|
|
|
510 fadds 80(%edx)
|
|
|
511 fistp 352(%ecx)
|
|
|
512 fadds 72(%edx)
|
|
|
513 fistp 288(%ecx)
|
|
|
514 flds 104(%edx)
|
|
|
515 fadds 120(%edx)
|
|
|
516 fld %st(0)
|
|
|
517 fadds 72(%edx)
|
|
|
518 fistp 224(%ecx)
|
|
|
519 fadds 88(%edx)
|
|
|
520 fistp 160(%ecx)
|
|
|
521 flds 120(%edx)
|
|
|
522 fadds 100(%edx)
|
|
|
523 fld %st(0)
|
|
|
524 fadds 88(%edx)
|
|
|
525 fistp 96(%ecx)
|
|
|
526 fadds 68(%edx)
|
|
|
527 fistp 32(%ecx)
|
|
|
528 flds 100(%edx)
|
|
|
529 fadds 116(%edx)
|
|
|
530 fld %st(0)
|
|
|
531 fadds 68(%edx)
|
|
|
532 fistp 32(%ebx)
|
|
|
533 fadds 84(%edx)
|
|
|
534 fistp 96(%ebx)
|
|
|
535 flds 116(%edx)
|
|
|
536 fadds 108(%edx)
|
|
|
537 fld %st(0)
|
|
|
538 fadds 84(%edx)
|
|
|
539 fistp 160(%ebx)
|
|
|
540 fadds 76(%edx)
|
|
|
541 fistp 224(%ebx)
|
|
|
542 flds 108(%edx)
|
|
|
543 fadds 124(%edx)
|
|
|
544 fld %st(0)
|
|
|
545 fadds 76(%edx)
|
|
|
546 fistp 288(%ebx)
|
|
|
547 fadds 92(%edx)
|
|
|
548 fistp 352(%ebx)
|
|
|
549 flds 124(%edx)
|
|
|
550 fist 480(%ebx)
|
|
|
551 fadds 92(%edx)
|
|
|
552 fistp 416(%ebx)
|
|
|
553 ffreep %st(0)
|
|
|
554
|
|
|
555 /* NO_APP */
|
|
|
556 movzwl (%ecx), %eax
|
|
|
557 movw %ax, (%ebx)
|
|
|
558 popl %ebx
|
|
|
559 movl %ebp, %esp
|
|
|
560 popl %ebp
|
|
|
561 ret
|
|
|
562 /* .size ASM_NAME(dct64_sse), .-ASM_NAME(dct64_sse) */
|
|
|
563
|
|
|
564 /* Mark non-executable stack. */
|
|
|
565 #if defined(__linux__) && defined(__ELF__)
|
|
|
566 .section .note.GNU-stack,"",%progbits
|
|
|
567 #endif
|
