Changes between Version 4 and Version 5 of AtomicOperations

Timestamp:

Jun 30, 2009, 8:05:36 PM (15 years ago)

Author:

alain

Comment:

--

AtomicOperations

@@ -27 +27 @@
                         _itmask                 # enter critical section
 # lock acquisition
-loop                   LL Reg1 @                # Reg1 <= M[@]
+loop                    LL Reg1 @               # Reg1 <= M[@]
                         BNE Reg1 loop   # continue if lock not taken (Reg1 == 0)
                         SC  1 @                 # M[@] <= 1 / Reg2 <= KO
                         BNE Reg2 loop   # retry if not atomic (Reg2 != 0)
                         ...
-                ...
 # lock release
                         SW 0 @                  # M[@] <= 0