irmode: remove support for exotic arithmetics

include/libfirm/irmode.h

@@ -83,19 +83,9 @@ typedef enum ir_mode_arithmetic {
 	irma_twos_complement = 2, /**< Values of the mode are represented as two's
 	                               complement. Only legal for modes of sort
 	                               int_number and reference. */
-	irma_ones_complement,     /**< Values of the mode are represented  as one's
-	                               complement. Only legal for modes of sort
-	                               int_number and reference. */
-	irma_int_BCD,             /**< Values of the mode are represented as binary
-	                               coded decimals. Only legal for modes of sort
-	                               int_number and reference. */
 	irma_ieee754 = 256,       /**< Values of the mode are represented according
 	                               to ieee754 floating point standard.  Only
 	                               legal for modes of sort float_number. */
-	irma_float_BCD,           /**< Values of the mode are represented as binary
-	                               coded decimals according to @@@ which
-	                               standards??? Only legal for modes of sort
-	                               float_number. */
 	irma_max
 } ir_mode_arithmetic;
 

ir/ir/irio.c

@@ -247,10 +247,7 @@ static void symtbl_init(void)
 	INSERTENUM(tt_mode_arithmetic, irma_uninitialized);
 	INSERTENUM(tt_mode_arithmetic, irma_none);
 	INSERTENUM(tt_mode_arithmetic, irma_twos_complement);
-	INSERTENUM(tt_mode_arithmetic, irma_ones_complement);
-	INSERTENUM(tt_mode_arithmetic, irma_int_BCD);
 	INSERTENUM(tt_mode_arithmetic, irma_ieee754);
-	INSERTENUM(tt_mode_arithmetic, irma_float_BCD);
 
 	INSERTENUM(tt_pin_state, op_pin_state_floats);
 	INSERTENUM(tt_pin_state, op_pin_state_pinned);

ir/ir/irmode.c

@@ -54,10 +54,7 @@ const char *get_mode_arithmetic_name(ir_mode_arithmetic ari)
 		X(irma_uninitialized);
 		X(irma_none);
 		X(irma_twos_complement);
-		X(irma_ones_complement);
-		X(irma_int_BCD);
 		X(irma_ieee754);
-		X(irma_float_BCD);
 		default: return "<unknown>";
 	}
 #undef X
@@ -931,7 +928,7 @@ int is_reinterpret_cast(const ir_mode *src, const ir_mode *dst)
 	if (ma != get_mode_arithmetic(dst))
 		return 0;
 
-	return ma == irma_twos_complement || ma == irma_ones_complement;
+	return ma == irma_twos_complement;
 }
 
 ir_type *(get_type_for_mode) (const ir_mode *mode)