/* { dg-do compile } */ /* { dg-options "-Os" } */ /* { dg-final { scan-assembler "sbi 0x1f,0" } } */ /* { dg-final { scan-assembler "cbi 0x1f,0" } } */ /* { dg-final { scan-assembler-not "sbi 0x20,0" } } */ /* { dg-final { scan-assembler-not "cbi 0x20,0" } } */ /* { dg-final { scan-assembler "in r\\d+,__SREG__" } } */ /* { dg-final { scan-assembler "out __SREG__,r\\d+" } } */ /* { dg-final { scan-assembler-not "in r\\d+,0x40" } } */ /* { dg-final { scan-assembler-not "out 0x40, r\\d+" } } */ /* This testcase verifies that SBI/CBI/SBIS/SBIC and IN/OUT instructions are not generated for an IO addresses outside the valid range. */ #define IO_ADDR(x) (*((volatile char *)x + __AVR_SFR_OFFSET__)) int main () { IO_ADDR(0x1f) |= 1; IO_ADDR(0x1f) &= 0xFE; IO_ADDR(0x20) |= 1; IO_ADDR(0x20) &= 0xFE; IO_ADDR(0x3f) = IO_ADDR(0x3f); IO_ADDR(0x40) = IO_ADDR(0x40); return 0; }