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/* { dg-do compile { target ia32 } } */
/* { dg-options "-O2 -mno-mpx -mno-sse -mno-mmx -mno-80387 -mno-cld -miamcu -maccumulate-outgoing-args" } */
struct interrupt_frame;
extern void callback0 (unsigned int id, unsigned int len)
__attribute__((no_caller_saved_registers));
extern void callback1 (unsigned int id, unsigned int len)
__attribute__((no_caller_saved_registers));
extern void callback2 (unsigned int id, unsigned int len)
__attribute__((no_caller_saved_registers));
typedef void (*callback_t) (unsigned int id, unsigned int len)
__attribute__((no_caller_saved_registers));
callback_t callback[] =
{
callback0,
callback1,
callback2,
};
unsigned int remaining;
void
__attribute__((no_caller_saved_registers))
handler(int uart)
{
while (1) {
if (remaining) {
callback[uart](0, 0);
break;
}
}
}
int uart;
void
__attribute__((interrupt))
my_isr(struct interrupt_frame *frame)
{
handler(uart);
}
/* { dg-final { scan-assembler-times "\tcld" 1 } } */
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