.

pa2/src/sim_core.c

@@ -41,10 +41,10 @@ int forwarding_enabled = 0;
 const struct State nop = {.inst = 0x0000000013};
 
 /* Initialize pipeline state */
-struct State fetch_out  = nop, fetch_out_n;
-struct State decode_out = nop, decode_out_n;
-struct State ex_out     = nop, ex_out_n;
-struct State mem_out    = nop, mem_out_n;
+struct State fetch_out,  fetch_out_n;
+struct State decode_out, decode_out_n;
+struct State ex_out,     ex_out_n;
+struct State mem_out,    mem_out_n;
 
 /* Count all non-nop instructions */
 int instruction_counter = 0;  
@@ -165,6 +165,12 @@ void initialize(FILE *fp) {
         exit(1);
     }
 
+    /* Initialize the starting states */
+    fetch_out  = nop;
+    decode_out = nop;
+    ex_out     = nop;
+    mem_out    = nop;
+
     /* Zero initialize registers */
     memset(registers, 0, sizeof(registers));
     printf("Initialized Registers\n");