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111
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1 dnl Support macro file for intrinsic functions.
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2 dnl Contains the generic sections of the array functions.
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3 dnl This file is part of the GNU Fortran Runtime Library (libgfortran)
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4 dnl Distributed under the GNU GPL with exception. See COPYING for details.
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5 dnl
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6 dnl Pass the implementation for a single section as the parameter to
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7 dnl {MASK_}ARRAY_FUNCTION.
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8 dnl The variables base, delta, and len describe the input section.
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9 dnl For masked section the mask is described by mbase and mdelta.
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10 dnl These should not be modified. The result should be stored in *dest.
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11 dnl The names count, extent, sstride, dstride, base, dest, rank, dim
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12 dnl retarray, array, pdim and mstride should not be used.
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13 dnl The variable n is declared as index_type and may be used.
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14 dnl Other variable declarations may be placed at the start of the code,
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15 dnl The types of the array parameter and the return value are
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16 dnl atype_name and rtype_name respectively.
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17 dnl Execution should be allowed to continue to the end of the block.
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18 dnl You should not return or break from the inner loop of the implementation.
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19 dnl Care should also be taken to avoid using the names defined in iparm.m4
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20 define(START_ARRAY_FUNCTION,
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21 `
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22 extern void name`'rtype_qual`_'atype_code (rtype * const restrict,
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23 atype * const restrict, const index_type * const restrict);
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24 export_proto(name`'rtype_qual`_'atype_code);
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25
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26 void
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27 name`'rtype_qual`_'atype_code (rtype * const restrict retarray,
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28 atype * const restrict array,
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29 const index_type * const restrict pdim)
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30 {
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31 index_type count[GFC_MAX_DIMENSIONS];
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32 index_type extent[GFC_MAX_DIMENSIONS];
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33 index_type sstride[GFC_MAX_DIMENSIONS];
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34 index_type dstride[GFC_MAX_DIMENSIONS];
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35 const atype_name * restrict base;
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36 rtype_name * restrict dest;
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37 index_type rank;
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38 index_type n;
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39 index_type len;
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40 index_type delta;
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41 index_type dim;
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42 int continue_loop;
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43
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44 /* Make dim zero based to avoid confusion. */
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45 dim = (*pdim) - 1;
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46 rank = GFC_DESCRIPTOR_RANK (array) - 1;
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47
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48 if (unlikely (dim < 0 || dim > rank))
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49 {
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50 runtime_error ("Dim argument incorrect in u_name intrinsic: "
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51 "is %ld, should be between 1 and %ld",
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52 (long int) dim + 1, (long int) rank + 1);
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53 }
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54
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55 len = GFC_DESCRIPTOR_EXTENT(array,dim);
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56 if (len < 0)
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57 len = 0;
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58 delta = GFC_DESCRIPTOR_STRIDE(array,dim);
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59
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60 for (n = 0; n < dim; n++)
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61 {
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62 sstride[n] = GFC_DESCRIPTOR_STRIDE(array,n);
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63 extent[n] = GFC_DESCRIPTOR_EXTENT(array,n);
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64
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65 if (extent[n] < 0)
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66 extent[n] = 0;
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67 }
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68 for (n = dim; n < rank; n++)
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69 {
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70 sstride[n] = GFC_DESCRIPTOR_STRIDE(array, n + 1);
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71 extent[n] = GFC_DESCRIPTOR_EXTENT(array, n + 1);
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72
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73 if (extent[n] < 0)
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74 extent[n] = 0;
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75 }
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76
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77 if (retarray->base_addr == NULL)
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78 {
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79 size_t alloc_size, str;
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80
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81 for (n = 0; n < rank; n++)
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82 {
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83 if (n == 0)
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84 str = 1;
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85 else
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86 str = GFC_DESCRIPTOR_STRIDE(retarray,n-1) * extent[n-1];
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87
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88 GFC_DIMENSION_SET(retarray->dim[n], 0, extent[n] - 1, str);
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89
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90 }
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91
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92 retarray->offset = 0;
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93 retarray->dtype = (array->dtype & ~GFC_DTYPE_RANK_MASK) | rank;
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94
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95 alloc_size = GFC_DESCRIPTOR_STRIDE(retarray,rank-1) * extent[rank-1];
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96
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97 retarray->base_addr = xmallocarray (alloc_size, sizeof (rtype_name));
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98 if (alloc_size == 0)
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99 {
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100 /* Make sure we have a zero-sized array. */
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101 GFC_DIMENSION_SET(retarray->dim[0], 0, -1, 1);
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102 return;
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103
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104 }
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105 }
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106 else
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107 {
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108 if (rank != GFC_DESCRIPTOR_RANK (retarray))
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109 runtime_error ("rank of return array incorrect in"
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110 " u_name intrinsic: is %ld, should be %ld",
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111 (long int) (GFC_DESCRIPTOR_RANK (retarray)),
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112 (long int) rank);
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113
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114 if (unlikely (compile_options.bounds_check))
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115 bounds_ifunction_return ((array_t *) retarray, extent,
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116 "return value", "u_name");
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117 }
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118
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119 for (n = 0; n < rank; n++)
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120 {
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121 count[n] = 0;
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122 dstride[n] = GFC_DESCRIPTOR_STRIDE(retarray,n);
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123 if (extent[n] <= 0)
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124 return;
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125 }
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126
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127 base = array->base_addr;
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128 dest = retarray->base_addr;
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129
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130 continue_loop = 1;
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131 while (continue_loop)
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132 {
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133 const atype_name * restrict src;
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134 rtype_name result;
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135 src = base;
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136 {
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137 ')dnl
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138 define(START_ARRAY_BLOCK,
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139 ` if (len <= 0)
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140 *dest = '$1`;
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141 else
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142 {
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143 for (n = 0; n < len; n++, src += delta)
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144 {
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145 ')dnl
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146 define(FINISH_ARRAY_FUNCTION,
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147 ` }
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148 '$1`
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149 *dest = result;
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150 }
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151 }
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152 /* Advance to the next element. */
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153 count[0]++;
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154 base += sstride[0];
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155 dest += dstride[0];
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156 n = 0;
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157 while (count[n] == extent[n])
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158 {
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159 /* When we get to the end of a dimension, reset it and increment
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160 the next dimension. */
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161 count[n] = 0;
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162 /* We could precalculate these products, but this is a less
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163 frequently used path so probably not worth it. */
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164 base -= sstride[n] * extent[n];
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165 dest -= dstride[n] * extent[n];
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166 n++;
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167 if (n >= rank)
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168 {
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169 /* Break out of the loop. */
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170 continue_loop = 0;
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171 break;
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172 }
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173 else
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174 {
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175 count[n]++;
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176 base += sstride[n];
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177 dest += dstride[n];
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178 }
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179 }
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180 }
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181 }')dnl
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182 define(START_MASKED_ARRAY_FUNCTION,
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183 `
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184 extern void `m'name`'rtype_qual`_'atype_code (rtype * const restrict,
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185 atype * const restrict, const index_type * const restrict,
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186 gfc_array_l1 * const restrict);
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187 export_proto(`m'name`'rtype_qual`_'atype_code);
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188
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189 void
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190 `m'name`'rtype_qual`_'atype_code (rtype * const restrict retarray,
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191 atype * const restrict array,
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192 const index_type * const restrict pdim,
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193 gfc_array_l1 * const restrict mask)
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194 {
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195 index_type count[GFC_MAX_DIMENSIONS];
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196 index_type extent[GFC_MAX_DIMENSIONS];
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197 index_type sstride[GFC_MAX_DIMENSIONS];
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198 index_type dstride[GFC_MAX_DIMENSIONS];
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199 index_type mstride[GFC_MAX_DIMENSIONS];
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200 rtype_name * restrict dest;
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201 const atype_name * restrict base;
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202 const GFC_LOGICAL_1 * restrict mbase;
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203 index_type rank;
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204 index_type dim;
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205 index_type n;
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206 index_type len;
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207 index_type delta;
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208 index_type mdelta;
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209 int mask_kind;
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210
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211 dim = (*pdim) - 1;
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212 rank = GFC_DESCRIPTOR_RANK (array) - 1;
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213
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214
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215 if (unlikely (dim < 0 || dim > rank))
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216 {
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217 runtime_error ("Dim argument incorrect in u_name intrinsic: "
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218 "is %ld, should be between 1 and %ld",
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219 (long int) dim + 1, (long int) rank + 1);
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220 }
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221
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222 len = GFC_DESCRIPTOR_EXTENT(array,dim);
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223 if (len <= 0)
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224 return;
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225
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226 mbase = mask->base_addr;
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227
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228 mask_kind = GFC_DESCRIPTOR_SIZE (mask);
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229
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230 if (mask_kind == 1 || mask_kind == 2 || mask_kind == 4 || mask_kind == 8
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231 #ifdef HAVE_GFC_LOGICAL_16
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232 || mask_kind == 16
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233 #endif
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234 )
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235 mbase = GFOR_POINTER_TO_L1 (mbase, mask_kind);
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236 else
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237 runtime_error ("Funny sized logical array");
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238
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239 delta = GFC_DESCRIPTOR_STRIDE(array,dim);
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240 mdelta = GFC_DESCRIPTOR_STRIDE_BYTES(mask,dim);
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241
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242 for (n = 0; n < dim; n++)
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243 {
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244 sstride[n] = GFC_DESCRIPTOR_STRIDE(array,n);
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245 mstride[n] = GFC_DESCRIPTOR_STRIDE_BYTES(mask,n);
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246 extent[n] = GFC_DESCRIPTOR_EXTENT(array,n);
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247
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248 if (extent[n] < 0)
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249 extent[n] = 0;
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250
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251 }
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252 for (n = dim; n < rank; n++)
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253 {
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254 sstride[n] = GFC_DESCRIPTOR_STRIDE(array,n + 1);
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255 mstride[n] = GFC_DESCRIPTOR_STRIDE_BYTES(mask, n + 1);
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256 extent[n] = GFC_DESCRIPTOR_EXTENT(array, n + 1);
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257
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258 if (extent[n] < 0)
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259 extent[n] = 0;
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260 }
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261
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262 if (retarray->base_addr == NULL)
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263 {
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264 size_t alloc_size, str;
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265
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266 for (n = 0; n < rank; n++)
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267 {
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268 if (n == 0)
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269 str = 1;
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270 else
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271 str= GFC_DESCRIPTOR_STRIDE(retarray,n-1) * extent[n-1];
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272
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273 GFC_DIMENSION_SET(retarray->dim[n], 0, extent[n] - 1, str);
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274
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275 }
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276
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277 alloc_size = GFC_DESCRIPTOR_STRIDE(retarray,rank-1) * extent[rank-1];
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278
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279 retarray->offset = 0;
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280 retarray->dtype = (array->dtype & ~GFC_DTYPE_RANK_MASK) | rank;
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281
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282 if (alloc_size == 0)
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283 {
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284 /* Make sure we have a zero-sized array. */
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285 GFC_DIMENSION_SET(retarray->dim[0], 0, -1, 1);
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286 return;
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287 }
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288 else
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289 retarray->base_addr = xmallocarray (alloc_size, sizeof (rtype_name));
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290
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291 }
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292 else
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293 {
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294 if (rank != GFC_DESCRIPTOR_RANK (retarray))
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295 runtime_error ("rank of return array incorrect in u_name intrinsic");
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296
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297 if (unlikely (compile_options.bounds_check))
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298 {
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299 bounds_ifunction_return ((array_t *) retarray, extent,
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300 "return value", "u_name");
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301 bounds_equal_extents ((array_t *) mask, (array_t *) array,
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302 "MASK argument", "u_name");
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303 }
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304 }
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305
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306 for (n = 0; n < rank; n++)
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307 {
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308 count[n] = 0;
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309 dstride[n] = GFC_DESCRIPTOR_STRIDE(retarray,n);
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310 if (extent[n] <= 0)
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311 return;
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312 }
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313
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314 dest = retarray->base_addr;
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315 base = array->base_addr;
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316
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317 while (base)
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318 {
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319 const atype_name * restrict src;
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320 const GFC_LOGICAL_1 * restrict msrc;
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321 rtype_name result;
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322 src = base;
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323 msrc = mbase;
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324 {
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325 ')dnl
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326 define(START_MASKED_ARRAY_BLOCK,
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327 ` for (n = 0; n < len; n++, src += delta, msrc += mdelta)
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328 {
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329 ')dnl
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330 define(FINISH_MASKED_ARRAY_FUNCTION,
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331 ` }
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332 *dest = result;
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333 }
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334 /* Advance to the next element. */
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335 count[0]++;
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336 base += sstride[0];
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337 mbase += mstride[0];
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338 dest += dstride[0];
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339 n = 0;
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340 while (count[n] == extent[n])
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341 {
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342 /* When we get to the end of a dimension, reset it and increment
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343 the next dimension. */
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344 count[n] = 0;
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345 /* We could precalculate these products, but this is a less
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346 frequently used path so probably not worth it. */
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347 base -= sstride[n] * extent[n];
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348 mbase -= mstride[n] * extent[n];
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349 dest -= dstride[n] * extent[n];
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350 n++;
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351 if (n >= rank)
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352 {
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353 /* Break out of the loop. */
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354 base = NULL;
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355 break;
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356 }
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357 else
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358 {
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359 count[n]++;
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360 base += sstride[n];
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361 mbase += mstride[n];
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362 dest += dstride[n];
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363 }
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364 }
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365 }
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366 }')dnl
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367 define(SCALAR_ARRAY_FUNCTION,
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368 `
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369 extern void `s'name`'rtype_qual`_'atype_code (rtype * const restrict,
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370 atype * const restrict, const index_type * const restrict,
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371 GFC_LOGICAL_4 *);
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372 export_proto(`s'name`'rtype_qual`_'atype_code);
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373
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374 void
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375 `s'name`'rtype_qual`_'atype_code (rtype * const restrict retarray,
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376 atype * const restrict array,
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377 const index_type * const restrict pdim,
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378 GFC_LOGICAL_4 * mask)
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379 {
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380 index_type count[GFC_MAX_DIMENSIONS];
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381 index_type extent[GFC_MAX_DIMENSIONS];
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382 index_type dstride[GFC_MAX_DIMENSIONS];
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383 rtype_name * restrict dest;
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384 index_type rank;
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385 index_type n;
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386 index_type dim;
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387
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388
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389 if (*mask)
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390 {
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391 name`'rtype_qual`_'atype_code (retarray, array, pdim);
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392 return;
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393 }
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394 /* Make dim zero based to avoid confusion. */
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395 dim = (*pdim) - 1;
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396 rank = GFC_DESCRIPTOR_RANK (array) - 1;
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397
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398 if (unlikely (dim < 0 || dim > rank))
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399 {
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400 runtime_error ("Dim argument incorrect in u_name intrinsic: "
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401 "is %ld, should be between 1 and %ld",
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402 (long int) dim + 1, (long int) rank + 1);
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403 }
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404
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405 for (n = 0; n < dim; n++)
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406 {
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407 extent[n] = GFC_DESCRIPTOR_EXTENT(array,n);
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408
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409 if (extent[n] <= 0)
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410 extent[n] = 0;
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411 }
|
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412
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413 for (n = dim; n < rank; n++)
|
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414 {
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|
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415 extent[n] =
|
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416 GFC_DESCRIPTOR_EXTENT(array,n + 1);
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417
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418 if (extent[n] <= 0)
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419 extent[n] = 0;
|
|
|
420 }
|
|
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421
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|
|
422 if (retarray->base_addr == NULL)
|
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|
423 {
|
|
|
424 size_t alloc_size, str;
|
|
|
425
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|
426 for (n = 0; n < rank; n++)
|
|
|
427 {
|
|
|
428 if (n == 0)
|
|
|
429 str = 1;
|
|
|
430 else
|
|
|
431 str = GFC_DESCRIPTOR_STRIDE(retarray,n-1) * extent[n-1];
|
|
|
432
|
|
|
433 GFC_DIMENSION_SET(retarray->dim[n], 0, extent[n] - 1, str);
|
|
|
434
|
|
|
435 }
|
|
|
436
|
|
|
437 retarray->offset = 0;
|
|
|
438 retarray->dtype = (array->dtype & ~GFC_DTYPE_RANK_MASK) | rank;
|
|
|
439
|
|
|
440 alloc_size = GFC_DESCRIPTOR_STRIDE(retarray,rank-1) * extent[rank-1];
|
|
|
441
|
|
|
442 if (alloc_size == 0)
|
|
|
443 {
|
|
|
444 /* Make sure we have a zero-sized array. */
|
|
|
445 GFC_DIMENSION_SET(retarray->dim[0], 0, -1, 1);
|
|
|
446 return;
|
|
|
447 }
|
|
|
448 else
|
|
|
449 retarray->base_addr = xmallocarray (alloc_size, sizeof (rtype_name));
|
|
|
450 }
|
|
|
451 else
|
|
|
452 {
|
|
|
453 if (rank != GFC_DESCRIPTOR_RANK (retarray))
|
|
|
454 runtime_error ("rank of return array incorrect in"
|
|
|
455 " u_name intrinsic: is %ld, should be %ld",
|
|
|
456 (long int) (GFC_DESCRIPTOR_RANK (retarray)),
|
|
|
457 (long int) rank);
|
|
|
458
|
|
|
459 if (unlikely (compile_options.bounds_check))
|
|
|
460 {
|
|
|
461 for (n=0; n < rank; n++)
|
|
|
462 {
|
|
|
463 index_type ret_extent;
|
|
|
464
|
|
|
465 ret_extent = GFC_DESCRIPTOR_EXTENT(retarray,n);
|
|
|
466 if (extent[n] != ret_extent)
|
|
|
467 runtime_error ("Incorrect extent in return value of"
|
|
|
468 " u_name intrinsic in dimension %ld:"
|
|
|
469 " is %ld, should be %ld", (long int) n + 1,
|
|
|
470 (long int) ret_extent, (long int) extent[n]);
|
|
|
471 }
|
|
|
472 }
|
|
|
473 }
|
|
|
474
|
|
|
475 for (n = 0; n < rank; n++)
|
|
|
476 {
|
|
|
477 count[n] = 0;
|
|
|
478 dstride[n] = GFC_DESCRIPTOR_STRIDE(retarray,n);
|
|
|
479 }
|
|
|
480
|
|
|
481 dest = retarray->base_addr;
|
|
|
482
|
|
|
483 while(1)
|
|
|
484 {
|
|
|
485 *dest = '$1`;
|
|
|
486 count[0]++;
|
|
|
487 dest += dstride[0];
|
|
|
488 n = 0;
|
|
|
489 while (count[n] == extent[n])
|
|
|
490 {
|
|
|
491 /* When we get to the end of a dimension, reset it and increment
|
|
|
492 the next dimension. */
|
|
|
493 count[n] = 0;
|
|
|
494 /* We could precalculate these products, but this is a less
|
|
|
495 frequently used path so probably not worth it. */
|
|
|
496 dest -= dstride[n] * extent[n];
|
|
|
497 n++;
|
|
|
498 if (n >= rank)
|
|
|
499 return;
|
|
|
500 else
|
|
|
501 {
|
|
|
502 count[n]++;
|
|
|
503 dest += dstride[n];
|
|
|
504 }
|
|
|
505 }
|
|
|
506 }
|
|
|
507 }')dnl
|
|
|
508 define(ARRAY_FUNCTION,
|
|
|
509 `START_ARRAY_FUNCTION
|
|
|
510 $2
|
|
|
511 START_ARRAY_BLOCK($1)
|
|
|
512 $3
|
|
|
513 FINISH_ARRAY_FUNCTION($4)')dnl
|
|
|
514 define(MASKED_ARRAY_FUNCTION,
|
|
|
515 `START_MASKED_ARRAY_FUNCTION
|
|
|
516 $2
|
|
|
517 START_MASKED_ARRAY_BLOCK
|
|
|
518 $3
|
|
|
519 FINISH_MASKED_ARRAY_FUNCTION')dnl
|
