gcc/testsuite/gcc.target/msp430/special-regs.c

   1 /* { dg-do compile } */
   2
   3 int foo (void)
   4 {
   5   register int pc __asm__("R0");
   6   register int sp __asm__("R1");
   7   register int cg1 __asm__("R2"); /* { dg-error "the register specified for 'cg1' is not general enough" } */
   8   register int cg2 __asm__("R3"); /* { dg-error "the register specified for 'cg2' is not general enough" } */
   9
  10   asm("" : "=r"(pc));
  11   asm("" : "=r"(sp));
  12   asm("" : "=r"(cg1));
  13   asm("" : "=r"(cg2));
  14
  15   return pc + sp + cg1 + cg2;
  16 }