contrib/gcc/simplify-rtx.c

488       if (GET_CODE (op) == IOR || GET_CODE (op) == AND)
507 	  return gen_rtx_fmt_ee (GET_CODE (op) == IOR ? AND : IOR,
1395    on OP0 and OP1.  CODE is currently one of PLUS, MULT, AND, IOR, XOR,
1979     case IOR:
2061 	return simplify_gen_binary (IOR, mode,
2071 	 the IOR as a PLUS and we can associate.  This is valid if OP1
2123 	 convert them into an IOR.  This helps to detect rotation encoded
2129 	return (simplify_gen_binary (IOR, mode, op0, op1));
2273       if (GET_CODE (op0) == IOR
2308 		case IOR:
2762 	  || code == IOR
2781 	      case IOR:
2942 	case IOR:
3097 	case IOR: