gcc/testsuite/gcc.target/arc/uncached.c

   1 /* { dg-do compile } */
   2
   3 /* Check 'uncached' type attribute.  */
   4
   5 typedef volatile unsigned int RwReg  __attribute__ ((uncached));
   6
   7 typedef struct {
   8   RwReg UART_THR;
   9   int SIDE_DISH;
  10 } UART;
  11
  12 void uart_putc(UART *port, char c)
  13 {
  14     port->UART_THR = c;
  15     port->SIDE_DISH = c;
  16 }
  17
  18 /* { dg-final { scan-assembler-times "st\.di" 1 } } */