| 121 | |
| 122 | { |
| 123 | assert(cmptype != kfloat); |
| 124 | switch (type_size[cmptype]) { |
| 125 | case 1: { |
| 126 | uint8_t *ub = (uint8_t *)cmp; |
| 127 | if (vecsize == 1) |
| 128 | for (uint32_t i = 0; i < count; i++) |
| 129 | ub[i] = i % 2 ? 0 : (start + i) / 2; |
| 130 | else |
| 131 | for (uint32_t i = 0; i < count; i++) |
| 132 | { |
| 133 | uint16_t vec_bitmask = (start + i) / vecsize; |
| 134 | uint16_t vec_idx = (start + i) % vecsize; |
| 135 | uint8_t gen = genrand_int32(d) & 0xff; |
| 136 | ub[i] = ((vec_bitmask >> vec_idx) & 0x1) ? gen | 0x80 |
| 137 | : gen & 0x7f; |
| 138 | } |
| 139 | break; |
| 140 | } |
| 141 | case 2: { |
| 142 | uint16_t* us = (uint16_t *)cmp; |
| 143 | if (vecsize == 1) |
| 144 | { |
| 145 | for (uint32_t i = 0; i < count; i++) |
| 146 | us[i] = i % 2 ? 0 : genrand_int32(d) & 0xffff; |
| 147 | } |
| 148 | else |
| 149 | { |
| 150 | for (uint32_t i = 0; i < count; i++) |
| 151 | { |
| 152 | uint16_t vec_bitmask = (start + i) / vecsize; |
| 153 | uint16_t vec_idx = (start + i) % vecsize; |
| 154 | uint16_t gen = genrand_int32(d) & 0xffff; |
| 155 | us[i] = ((vec_bitmask >> vec_idx) & 0x1) ? gen | 0x8000 |
| 156 | : gen & 0x7fff; |
| 157 | } |
| 158 | } |
| 159 | break; |
| 160 | } |
| 161 | case 4: { |
| 162 | uint32_t *ui = (uint32_t *)cmp; |
| 163 | if (vecsize == 1) |
| 164 | { |
| 165 | for (uint32_t i = 0; i < count; i++) |
| 166 | ui[i] = i % 2 ? 0 : genrand_int32(d); |
| 167 | } |
| 168 | else |
| 169 | { |
| 170 | for (uint32_t i = 0; i < count; i++) |
| 171 | { |
| 172 | uint16_t vec_bitmask = (start + i) / vecsize; |
| 173 | uint16_t vec_idx = (start + i) % vecsize; |
| 174 | uint32_t gen = genrand_int32(d); |
| 175 | ui[i] = ((vec_bitmask >> vec_idx) & 0x1) ? gen | 0x80000000 |
| 176 | : gen & 0x7fffffff; |
| 177 | } |
| 178 | } |