/* { dg-do compile { target sh-*-* sh[1234ble]*-*-*} } */ /* { dg-options "-O" } */ extern void foo (); #pragma interrupt #pragma nosave_low_regs void isr() { foo (); } /* { dg-final { scan-assembler-times "rte" 1} } */ /* A call will clobber all call-saved registers, but because of #pragma nosave_low_regs, r0..r7 need not be saved/restored. One of these registers will also do fine to hold the function address. Call-saved registers r8..r13 also don't need to be restored. */ /* { dg-final { scan-assembler-not "\[^f\]r\[0-9\]\[ \t\]*," } } */ /* { dg-final { scan-assembler-not "\[^f\]r\[89\]" } } */ /* { dg-final { scan-assembler-not "\[^f\]r1\[,0-3\]" } } */ /* { dg-final { scan-assembler-times "macl" 2} } */