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Add trace stitching.

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Mike Pall
2013-12-25 02:55:25 +01:00
parent 6e02c210c4
commit b5d741fa7e
17 changed files with 422 additions and 69 deletions
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4
src/lj_jit.h
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@@ -97,6 +97,7 @@
_(\012, maxirconst, 500) /* Max. # of IR constants of a trace. */ \
_(\007, maxside, 100) /* Max. # of side traces of a root trace. */ \
_(\007, maxsnap, 500) /* Max. # of snapshots for a trace. */ \
_(\011, minstitch, 0) /* Min. # of IR ins for a stitched trace. */ \
\
_(\007, hotloop, 56) /* # of iter. to detect a hot loop/call. */ \
_(\007, hotexit, 10) /* # of taken exits to start a side trace. */ \
@@ -202,7 +203,8 @@ typedef enum {
LJ_TRLINK_UPREC, /* Up-recursion. */
LJ_TRLINK_DOWNREC, /* Down-recursion. */
LJ_TRLINK_INTERP, /* Fallback to interpreter. */
LJ_TRLINK_RETURN /* Return to interpreter. */
LJ_TRLINK_RETURN, /* Return to interpreter. */
LJ_TRLINK_STITCH /* Trace stitching. */
} TraceLink;
/* Trace object. */