[Bug middle-end/20491] [4.0/4.1 Regression] internal compiler error: in subreg_regno_offset, at rtlanal.c:3042

[rth at gcc dot gnu dot org]

------- Additional Comments From rth at gcc dot gnu dot org  2005-03-31 22:09 -------
Subject: Re: [PR middle-end/20491] combine generates bad subregs

On Wed, Mar 30, 2005 at 04:27:50PM -0300, Alexandre Oliva wrote:
> -      else
> +      else if (REG_P (y))
>  	{
>  	  /* Simplify_subreg can't handle some REG cases, but we have to.  */
>  	  unsigned int regno = subreg_regno (x);

The next line is 

          gcc_assert (REG_P (y));

you should remove that.  Ok with that change.


r~


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=20491