rt_gccstream/gcc/testsuite/gcc.target/sparc/sparc-trap-1.c

22 lines
469 B
C

/* PR target/15693 */
/* { dg-do compile } */
/* { dg-options "-O2" } */
/* This used to fail on SPARC at -O2 because the combiner
produces a compare insn that was not rematched by the
compare expander. */
static __inline__ __attribute__ ((always_inline))
int page_mapping (unsigned flags)
{
if (1u & (flags >> 16))
return 1;
return 0;
}
void install_page (unsigned flags)
{
if (__builtin_expect (!page_mapping (flags), 0))
__builtin_trap ();
}