compiler.Base.disable_optimizations = DBG_ON(r300, DBG_NO_OPT);
compiler.Base.has_half_swizzles = TRUE;
compiler.Base.has_presub = TRUE;
compiler.Base.disable_optimizations = DBG_ON(r300, DBG_NO_OPT);
compiler.Base.has_half_swizzles = TRUE;
compiler.Base.has_presub = TRUE;