src/jdk.vm.ci/share/classes/jdk.vm.ci.code/src/jdk/vm/ci/code/Register.java

*** 35,54 ****
       * Invalid register.
       */
      public static final Register None = new Register(-1, -1, "noreg", SPECIAL);
  
      /**
-      * Frame pointer of the current method. All spill slots and outgoing stack-based arguments are
-      * addressed relative to this register.
-      */
-     public static final Register Frame = new Register(-2, -2, "framereg", SPECIAL);
- 
-     public static final Register CallerFrame = new Register(-3, -3, "callerframereg", SPECIAL);
- 
-     /**
       * The identifier for this register that is unique across all the registers in a
!      * {@link Architecture}. A valid register has {@code number > 0}.
       */
      public final int number;
  
      /**
       * The mnemonic of this register.
--- 35,46 ----
       * Invalid register.
       */
      public static final Register None = new Register(-1, -1, "noreg", SPECIAL);
  
      /**
       * The identifier for this register that is unique across all the registers in a
!      * {@link Architecture}. A valid register has {@code number >= 0}.
       */
      public final int number;
  
      /**
       * The mnemonic of this register.
*** 163,204 ****
       */
      public boolean isValid() {
          return number >= 0;
      }
  
-     /**
-      * Gets the maximum register {@linkplain #number number} in a given set of registers.
-      *
-      * @param registers the set of registers to process
-      * @return the maximum register number for any register in {@code registers}
-      */
-     public static int maxRegisterNumber(Register[] registers) {
-         int max = Integer.MIN_VALUE;
-         for (Register r : registers) {
-             if (r.number > max) {
-                 max = r.number;
-             }
-         }
-         return max;
-     }
- 
-     /**
-      * Gets the maximum register {@linkplain #encoding encoding} in a given set of registers.
-      *
-      * @param registers the set of registers to process
-      * @return the maximum register encoding for any register in {@code registers}
-      */
-     public static int maxRegisterEncoding(Register[] registers) {
-         int max = Integer.MIN_VALUE;
-         for (Register r : registers) {
-             if (r.encoding > max) {
-                 max = r.encoding;
-             }
-         }
-         return max;
-     }
- 
      @Override
      public String toString() {
          return name;
      }
  
--- 155,164 ----