Re: [patch] Fix PR rtl-optimization/54290

[Eric Botcazou]

> 2012-09-02  Eric Botcazou  <ebotca...@adacore.com>
> 
>       PR rtl-optimization/54290
>       * reload1.c (choose_reload_regs): Also take into account secondary MEMs
>       to remove address replacements for inherited reloads.

I forgot to attach the testcase...

        * gcc.c-torture/execute/20120902-1.c: New test.


-- 
Eric Botcazou

-- 
Eric Botcazou

/* PR rtl-optimization/54290 */
/* Testcase by Eric Volk <eriks...@gmail.com> */

double vd[2] = {1., 0.};
int vi[2] = {1234567890, 0};
double *pd = vd;
int *pi = vi;

extern void abort(void);

void init (int *n, int *dummy) __attribute__ ((noinline,noclone));

void init (int *n, int *dummy)
{
  if(0 == n) dummy[0] = 0;
}

int main (void)
{
  int dummy[1532];
  int i = -1, n = 1, s = 0;
  init (&n, dummy);
  while (i < n) {
    if (i == 0) {
      if (pd[i] > 0) {
        if (pi[i] > 0) {
          s += pi[i];
        }
      }
      pd[i] = pi[i];
    }
    ++i;
  }
  if (s != 1234567890)
    abort ();
}