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/* { dg-do run { target { stdint_types } } } */
/* { dg-options "-O2" } */
#include <stdint.h>
#include <stdlib.h>
void __attribute__ ((noinline))
foo (uint64_t state, uint32_t last)
{
if (state == last) abort ();
}
/* This function may do a bad comparision by trying to
use SUBREGS during the compare on machines where comparing
two registers always compares the entire register regardless
of mode. */
int __attribute__ ((noinline))
compare (uint64_t state, uint32_t *last, uint8_t buf)
{
if (*last == ((state | buf) & 0xFFFFFFFF)) {
foo (state, *last);
return 0;
}
return 1;
}
int
main(int argc, char **argv) {
uint64_t state = 0xF00000100U;
uint32_t last = 0x101U;
int ret = compare(state, &last, 0x01);
if (ret != 0)
abort ();
exit (0);
}
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