Back out history buffer for tailcall counts.

Use an aggregate counter independent of frame depth.
2010-02-22 16:57:59 +01:00
parent 19af483166
commit 86494c783d
2 changed files with 3 additions and 5 deletions
--- a/src/lj_jit.h
+++ b/src/lj_jit.h
@@ -231,9 +231,9 @@ typedef struct jit_State {

  TraceState state;	/* Trace compiler state. */

-  uint64_t tailcalled;	/* History of the number of successive tailcalls. */
  int32_t instunroll;	/* Unroll counter for instable loops. */
  int32_t loopunroll;	/* Unroll counter for loop ops in side traces. */
+  int32_t tailcalled;	/* Number of successive tailcalls. */
  int32_t framedepth;	/* Current frame depth. */
  int32_t retdepth;	/* Return frame depth (count of RETF). */