PATTERN
switch (dpcd_test_pattern.bits.PATTERN) {
uint8_t PATTERN :7;
unsigned char PATTERN :2;
switch (dpcd_test_pattern.bits.PATTERN) {
_(PATTERN),
body = PATTERN(insn);
body = PATTERN(insn);
memset(mem, PATTERN, page_size);
memset(mem, PATTERN, page_size);