Hi!

On Thu, Jun 01, 2017 at 01:35:56PM +0200, Jan Hubicka wrote:
> +      /* FIXME: shrink wrapping violates this sanity check.  */
> +      gcc_checking_assert ((num >= 0
> +                         && (num <= REG_BR_PROB_BASE
> +                             || den <= REG_BR_PROB_BASE)
> +                         && den > 0) || 1);
> +      ret.m_val = RDIV (m_val * num, den);
> +      return ret;

Sorry if I missed this...  But where/how does it violate this?

> +      /* Take care for overflows!  */
> +      if (num.m_val < 8196 || m_val < 8196)
> +        ret.m_val = RDIV (m_val * num.m_val, den.m_val);
> +      else
> +        ret.m_val = RDIV (m_val * RDIV (num.m_val * 8196, den.m_val), 8196);
> +      return ret;

8196 is a strange number, did you mean 8192?


Segher

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