[Bug target/15286] ICE cause by reload

[uweigand at gcc dot gnu dot org]

------- Additional Comments From uweigand at gcc dot gnu dot org  2004-10-25 16:20 
-------
Does this patch help?

Index: gcc/simplify-rtx.c
===================================================================
RCS file: /cvs/gcc/gcc/gcc/simplify-rtx.c,v
retrieving revision 1.206
diff -c -p -r1.206 simplify-rtx.c
*** gcc/simplify-rtx.c  18 Oct 2004 18:46:06 -0000      1.206
--- gcc/simplify-rtx.c  25 Oct 2004 16:17:42 -0000
*************** simplify_gen_subreg (enum machine_mode o
*** 3789,3795 ****
    if (newx)
      return newx;

!   if (GET_CODE (op) == SUBREG || GET_MODE (op) == VOIDmode)
      return NULL_RTX;

    return gen_rtx_SUBREG (outermode, op, byte);
--- 3789,3796 ----
    if (newx)
      return newx;

!   if (GET_CODE (op) == SUBREG || GET_MODE (op) == VOIDmode
!       || (REG_P (op) && REGNO (op) < FIRST_PSEUDO_REGISTER))
      return NULL_RTX;

    return gen_rtx_SUBREG (outermode, op, byte);

-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=15286