/* PR optimization/9888 *//* Originator: Jim Bray <jb@as220.org> *//* { dg-do run { target i?86-*-* } } *//* { dg-options "-mcpu=k6 -Os" } */enum reload_type{  RELOAD_FOR_INPUT, RELOAD_FOR_OUTPUT, RELOAD_FOR_INSN,  RELOAD_FOR_INPUT_ADDRESS, RELOAD_FOR_INPADDR_ADDRESS,  RELOAD_FOR_OUTPUT_ADDRESS, RELOAD_FOR_OUTADDR_ADDRESS,  RELOAD_FOR_OPERAND_ADDRESS, RELOAD_FOR_OPADDR_ADDR,  RELOAD_OTHER, RELOAD_FOR_OTHER_ADDRESS};#define FOO_SIZE 3/* My results, varying with FOO_SIZE:   30: asm error "value of ..fff77 too large:   3 to 29: ....ff7d...   1 to 2: no error.  */struct reload{   int foo[FOO_SIZE];   int opnum;    enum reload_type when_needed;   unsigned int optional:1;    unsigned int secondary_p:1;};#define N_RELOADS  2struct reload rld[N_RELOADS];int n_reloads = N_RELOADS;int main(void){  int i;  enum reload_type operand_type[1];  enum reload_type address_type[1];  int operand_reloadnum[1];  int goal_alternative_matches[1];  for (i = 0; i < n_reloads; i++)    {      if (rld[i].secondary_p          && rld[i].when_needed == operand_type[rld[i].opnum])        rld[i].when_needed = address_type[rld[i].opnum];      if ((rld[i].when_needed == RELOAD_FOR_INPUT_ADDRESS           || rld[i].when_needed == RELOAD_FOR_OUTPUT_ADDRESS           || rld[i].when_needed == RELOAD_FOR_INPADDR_ADDRESS           || rld[i].when_needed == RELOAD_FOR_OUTADDR_ADDRESS)          && (operand_reloadnum[rld[i].opnum] < 0              || rld[operand_reloadnum[rld[i].opnum]].optional))        {          if (rld[i].when_needed == RELOAD_FOR_INPADDR_ADDRESS              || rld[i].when_needed == RELOAD_FOR_OUTADDR_ADDRESS)            rld[i].when_needed = RELOAD_FOR_OPADDR_ADDR;          else            rld[i].when_needed = RELOAD_FOR_OPERAND_ADDRESS;        }      if ((rld[i].when_needed == RELOAD_FOR_INPUT_ADDRESS           || rld[i].when_needed == RELOAD_FOR_INPADDR_ADDRESS)          && operand_reloadnum[rld[i].opnum] >= 0          && (rld[operand_reloadnum[rld[i].opnum]].when_needed              == RELOAD_OTHER))        rld[i].when_needed = RELOAD_FOR_OTHER_ADDRESS;      if (goal_alternative_matches[rld[i].opnum] >= 0)        rld[i].opnum = goal_alternative_matches[rld[i].opnum];    }  return 0;}