rt_gccstream/gcc/testsuite/gcc.dg/20070112-1.c

25 lines
574 B
C

/* We used to ICE on this testcase: the address of bad_spill_regs is
only taken in a phi node, which we missed and cleared its TREE_ADDRESSABLE
flag. This gets revealed when the loop is completely unrolled, thus
exposing the addresses as ordinary statements. */
/* { dg-do compile } */
/* { dg-options "-O1" } */
typedef unsigned HARD_REG_SET[2];
static HARD_REG_SET bad_spill_regs;
void
order_regs_for_reload ()
{
register int i;
register unsigned *scan_tp_ = bad_spill_regs;
for (i = 0; i < 2; i++)
*scan_tp_++ = 0;
bad_spill_regs[0] |= 1;
}