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annotate gcc/testsuite/gcc.dg/vect/slp-3-big-array.c @ 131:84e7813d76e9

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gcc-8.2
author mir3636
date Thu, 25 Oct 2018 07:37:49 +0900
parents 04ced10e8804
children
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1 /* { dg-require-effective-target vect_int } */
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2
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3 #include <stdarg.h>
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4 #include "tree-vect.h"
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5
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6 #define N 96
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7
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8 unsigned short in[N*8];
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9
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10 int
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11 main1 ()
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12 {
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13 int i;
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14 unsigned short out[N*8];
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15
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16 for (i = 0; i < N*8; i++)
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17 {
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18 in[i] = i&63;
131
84e7813d76e9 gcc-8.2
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19 asm volatile ("" ::: "memory");
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20 }
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21
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22 for (i = 0; i < N; i++)
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23 {
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24 out[i*8] = in[i*8];
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25 out[i*8 + 1] = in[i*8 + 1];
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26 out[i*8 + 2] = in[i*8 + 2];
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27 out[i*8 + 3] = in[i*8 + 3];
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28 out[i*8 + 4] = in[i*8 + 4];
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29 out[i*8 + 5] = in[i*8 + 5];
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30 out[i*8 + 6] = in[i*8 + 6];
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31 out[i*8 + 7] = in[i*8 + 7];
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32 }
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33
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34 /* check results: */
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35 for (i = 0; i < N; i++)
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36 {
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37 if (out[i*8] != in[i*8]
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38 || out[i*8 + 1] != in[i*8 + 1]
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39 || out[i*8 + 2] != in[i*8 + 2]
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40 || out[i*8 + 3] != in[i*8 + 3]
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41 || out[i*8 + 4] != in[i*8 + 4]
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42 || out[i*8 + 5] != in[i*8 + 5]
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43 || out[i*8 + 6] != in[i*8 + 6]
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44 || out[i*8 + 7] != in[i*8 + 7])
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45 abort ();
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46 }
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47
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48 for (i = 0; i < N*2; i++)
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49 {
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50 out[i*4] = in[i*4];
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51 out[i*4 + 1] = in[i*4 + 1];
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52 out[i*4 + 2] = in[i*4 + 2];
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53 out[i*4 + 3] = in[i*4 + 3];
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54 }
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55
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56 /* check results: */
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57 for (i = 0; i < N*2; i++)
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58 {
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59 if (out[i*4] != in[i*4]
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60 || out[i*4 + 1] != in[i*4 + 1]
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61 || out[i*4 + 2] != in[i*4 + 2]
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62 || out[i*4 + 3] != in[i*4 + 3])
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63 abort ();
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64 }
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65
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66 for (i = 0; i < N/2; i++)
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67 {
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68 out[i*16] = in[i*16];
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69 out[i*16 + 1] = in[i*16 + 1];
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70 out[i*16 + 2] = in[i*16 + 2];
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71 out[i*16 + 3] = in[i*16 + 3];
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72 out[i*16 + 4] = in[i*16 + 4];
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73 out[i*16 + 5] = in[i*16 + 5];
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74 out[i*16 + 6] = in[i*16 + 6];
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75 out[i*16 + 7] = in[i*16 + 7];
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76 out[i*16 + 8] = in[i*16 + 8];
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77 out[i*16 + 9] = in[i*16 + 9];
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78 out[i*16 + 10] = in[i*16 + 10];
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79 out[i*16 + 11] = in[i*16 + 11];
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80 out[i*16 + 12] = in[i*16 + 12];
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81 out[i*16 + 13] = in[i*16 + 13];
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82 out[i*16 + 14] = in[i*16 + 14];
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83 out[i*16 + 15] = in[i*16 + 15];
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84 }
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85
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86 /* check results: */
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87 for (i = 0; i < N/2; i++)
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88 {
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89 if (out[i*16] != in[i*16]
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90 || out[i*16 + 1] != in[i*16 + 1]
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91 || out[i*16 + 2] != in[i*16 + 2]
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92 || out[i*16 + 3] != in[i*16 + 3]
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93 || out[i*16 + 4] != in[i*16 + 4]
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94 || out[i*16 + 5] != in[i*16 + 5]
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95 || out[i*16 + 6] != in[i*16 + 6]
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96 || out[i*16 + 7] != in[i*16 + 7]
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97 || out[i*16 + 8] != in[i*16 + 8]
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98 || out[i*16 + 9] != in[i*16 + 9]
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99 || out[i*16 + 10] != in[i*16 + 10]
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100 || out[i*16 + 11] != in[i*16 + 11]
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101 || out[i*16 + 12] != in[i*16 + 12]
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102 || out[i*16 + 13] != in[i*16 + 13]
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103 || out[i*16 + 14] != in[i*16 + 14]
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104 || out[i*16 + 15] != in[i*16 + 15])
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105 abort ();
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106 }
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107
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108 /* SLP with unrolling by 8. */
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109 for (i = 0; i < N/4; i++)
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110 {
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111 out[i*9] = in[i*9];
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112 out[i*9 + 1] = in[i*9 + 1];
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113 out[i*9 + 2] = in[i*9 + 2];
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114 out[i*9 + 3] = in[i*9 + 3];
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115 out[i*9 + 4] = in[i*9 + 4];
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116 out[i*9 + 5] = in[i*9 + 5];
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117 out[i*9 + 6] = in[i*9 + 6];
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118 out[i*9 + 7] = in[i*9 + 7];
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119 out[i*9 + 8] = in[i*9 + 8];
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120 }
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121
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122 /* check results: */
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123 for (i = 0; i < N/4; i++)
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124 {
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125 if (out[i*9] != in[i*9]
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126 || out[i*9 + 1] != in[i*9 + 1]
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127 || out[i*9 + 2] != in[i*9 + 2]
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128 || out[i*9 + 3] != in[i*9 + 3]
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129 || out[i*9 + 4] != in[i*9 + 4]
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130 || out[i*9 + 5] != in[i*9 + 5]
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131 || out[i*9 + 6] != in[i*9 + 6]
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132 || out[i*9 + 7] != in[i*9 + 7]
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133 || out[i*9 + 8] != in[i*9 + 8])
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134 abort ();
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135 }
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136
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137
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138 return 0;
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139 }
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140
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141 int main (void)
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142 {
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143 check_vect ();
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144
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145 main1 ();
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146
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147 return 0;
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148 }
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149
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150 /* { dg-final { scan-tree-dump-times "vectorized 4 loops" 1 "vect" } } */
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151 /* { dg-final { scan-tree-dump-times "vectorizing stmts using SLP" 4 "vect" } } */
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152