Use a struct for InstrDTO

1 files changed, 22 insertions, 104 deletions

diff --git a/inc/instrDTO.h b/inc/instrDTO.h
index e6c9852..7775b20 100644
--- a/inc/instrDTO.h
+++ b/inc/instrDTO.h
@@ -22,127 +22,45 @@
 #include <string>
 #include <unordered_map>
 
-class InstrDTO
-{
-  public:
-	/**
-	 * Constructor.
-	 */
-	InstrDTO();
-	~InstrDTO() = default;
-
-	int get_id_cycle();
-	/**
-	 * @return instr_bits
-	 */
-	signed int get_instr_bits();
-	/**
-	 * @return checked_out
-	 */
-	signed int get_checked_out();
-	/**
-	 * @return s1
-	 */
-	signed int get_s1();
-	/**
-	 * @return s2
-	 */
-	signed int get_s2();
-	/**
-	 * @return s3
-	 */
-	signed int get_s3();
-	/**
-	 * @return the mnemonic of the instruction
-	 */
-	Mnemonic get_mnemonic();
-	/**
-	 * @return the type of the instruction
-	 */
-	Type get_type();
-	/**
-	 * @return the program counter at the time this instruction was fetched
-	 */
-	unsigned int get_pc();
-	/**
-	 * @return 1 if this instruction is invalid, 0 otherwise
-	 */
-	int is_squashed();
-
-	/**
-	 * @param instr_bits
-	 */
-	void set_instr_bits(signed int);
-	/**
-	 * @param checked_out
-	 */
-	void set_checked_out(signed int);
-	/**
-	 * @param s1
-	 */
-	void set_s1(signed int);
-	/**
-	 * @param s2
-	 */
-	void set_s2(signed int);
-	/**
-	 * @param s3
-	 */
-	void set_s3(signed int);
-	/**
-	 * @param the mnemonic of the instruction
-	 */
-	void set_mnemonic(Mnemonic);
+struct U_INT_TYPE {
+	signed int slot_one;
+	signed int slot_two;
+	signed int slot_three;
+};
 
-	/**
-	 * @param the type of the instruction
-	 */
-	void set_type(Type);
-	/**
-	 * @param the program counter at the time this instruction was fetched
-	 */
-	void set_pc(unsigned int pc);
-	/**
-	 * squashes this instruction
-	 */
-	void squash();
+struct V_TYPE {
+};
 
-  private:
+struct InstrDTO {
 	/**
-	 * The raw bits encoding the instruction.
+	 * If this instruction is squashed or not.
 	 */
-	signed int instr_bits;
+	unsigned int is_squashed : 1;
 	/**
-	 * The register, if any, this instruction has checked out. A checked out
-	 * register cannot be checked out by another register. This prevents RAW
-	 * conflicts.
+	 * Optional slot for holding the Instruction Bits
 	 */
-	signed int checked_out;
+	signed int slot_A;
 	/**
-	 * Slots in this instruction, for storing temporary registers, immediates,
-	 * or other.
-	 * Some instruction types may use these differently.
-	 * The `oper` function is in charge of knowing how to parse these.
+	 * Optional slot for holding PC
 	 */
-	signed int s1;
-	signed int s2;
-	signed int s3;
+	signed int slot_B;
 	/**
-	 * The mnemonic of the operation.
+	 * The mnemonic of the instruction.
 	 */
 	Mnemonic mnemonic;
+	// TODO delete me
 	/**
 	 * Type of the instruction
 	 */
 	Type type;
 	/**
-	 * The PC of the instruction
+	 * The register this instruction checks out.
 	 */
-	unsigned int pc;
-	/**
-	 * If this instruction was made dead
-	 */
-	unsigned int squashed;
+	signed int checked_out;
+	union {
+		struct U_INT_TYPE integer;
+		struct V_TYPE vector;
+	} operands;
 };
 
 #endif /* INSTRDTO_H_INCLUDED */