Re: [Re: optimization/8412: Code generation problem with -march=k6

[Eric Botcazou <ebotcazou at libertysurf dot fr>]

> Bonjour Eric,

Bonsoir!

>   I did find the bug you refer to, and tried the code with the
> compilation options used, and got no error. I could have 'sent email to
> interested parties' to that one instead of the other one. I realised
> neither was an exact match, but both were related.

Okay, I may know what happens here... could you try to compile and run the 
attached testcase with the options specified at the beginning of the file 
(between double quotes) ?

-- 
Eric Botcazou
/* PR optimization/8599 */
/* { dg-do run } */
/* { dg-options "-O2 -funroll-loops" } */
/* { dg-options "-mcpu=k6 -O2 -funroll-loops" { target i?86-*-* } } */

extern void abort (void);

int array[6] = { 1,2,3,4,5,6 };

void foo()
{
  int i;

  for (i = 0; i < 5; i++)
    array[i] = 0;
}

int main()
{
  foo();
  if (array[0] || array [1] || array[2] || array[3] || array[4])
    abort ();
  if (array[5] != 6)
    abort ();
  return 0;
}