Ejemplo n.º 1
0
  /**
   * Return true if this instruction is independent of the specified instruction. If instructions
   * are independent, than one instruction can be moved before or after the other instruction
   * without changing the semantics of the program.
   *
   * @param inst is the specified instruction
   */
  public boolean independent(Instruction inst, RegisterSet registers) {
    if (inst.defs(rs1, registers)) return false;
    if (inst.uses(rd, registers)) return false;
    if (!(inst instanceof SparcInstruction)) return true;

    return independentCC((SparcInstruction) inst);
  }
Ejemplo n.º 2
0
 /**
  * Return true if this instruction is independent of the specified instruction. If instructions
  * are independent, than one instruction can be moved before or after the other instruction
  * without changing the semantics of the program.
  *
  * @param inst is the specified instruction
  */
 public boolean independent(Instruction inst, RegisterSet registers) {
   if (inst.uses(ra, registers)) {
     return false;
   }
   return !inst.defs(rb, registers);
 }