redesigned driver demo, fixed startup code, removed --cpu from simx,

runtime/intrinsics/vx_intrinsics.h

@@ -8,29 +8,27 @@ extern "C" {
 #endif
 
 // Spawns Warps
-void vx_wspawn (unsigned numWarps, unsigned PC_spawn);
+void vx_wspawn(unsigned numWarps, unsigned PC_spawn);
 
 // Changes thread mask (activated/deactivates threads)
-void vx_tmc    (unsigned numThreads);
+void vx_tmc(unsigned numThreads);
 
 // Warp Barrier
 void vx_barrier(unsigned barriedID, unsigned numWarps);
 
 // split on a predicate
-void vx_split  (unsigned predicate);
-
+void vx_split(unsigned predicate);
 
 // Join
-void vx_join   (void);
-
+void vx_join(void);
 
 // Get Hardware thread ID
 unsigned vx_threadID(void);
 
-
 // Get hardware warp ID
 unsigned vx_warpID(void);
 
+// Get global warp number
 unsigned vx_warpNum(void);
 
 // Get Number cycles/Inst
@@ -39,16 +37,13 @@ unsigned vx_getInst(void);
 
 void vx_resetStack(void);
 
-
 #define __if(b) vx_split(b); \
                 if (b) 
 
 #define __else else
 
-
 #define __endif vx_join();
 
-
 #ifdef __cplusplus
 }
 #endif