1 files changed, 19 insertions, 11 deletions

diff --git a/src/lj_jit.h b/src/lj_jit.h
index eb765477..4b51baeb 100644
--- a/src/lj_jit.h
+++ b/src/lj_jit.h
@@ -14,18 +14,15 @@
 
 /* CPU-specific JIT engine flags. */
 #if LJ_TARGET_X86ORX64
-#define JIT_F_CMOV              0x00000010
-#define JIT_F_SSE2              0x00000020
-#define JIT_F_SSE3              0x00000040
-#define JIT_F_SSE4_1            0x00000080
-#define JIT_F_P4                0x00000100
-#define JIT_F_PREFER_IMUL       0x00000200
-#define JIT_F_SPLIT_XMM         0x00000400
-#define JIT_F_LEA_AGU           0x00000800
+#define JIT_F_SSE2              0x00000010
+#define JIT_F_SSE3              0x00000020
+#define JIT_F_SSE4_1            0x00000040
+#define JIT_F_PREFER_IMUL       0x00000080
+#define JIT_F_LEA_AGU           0x00000100
 
 /* Names for the CPU-specific flags. Must match the order above. */
-#define JIT_F_CPU_FIRST         JIT_F_CMOV
-#define JIT_F_CPUSTRING         "\4CMOV\4SSE2\4SSE3\6SSE4.1\2P4\3AMD\2K8\4ATOM"
+#define JIT_F_CPU_FIRST         JIT_F_SSE2
+#define JIT_F_CPUSTRING         "\4SSE2\4SSE3\6SSE4.1\3AMD\4ATOM"
 #elif LJ_TARGET_ARM
 #define JIT_F_ARMV6_            0x00000010
 #define JIT_F_ARMV6T2_          0x00000020
@@ -100,6 +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. */ \
@@ -205,7 +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. */
@@ -214,6 +213,9 @@ typedef struct GCtrace {
   uint8_t topslot;      /* Top stack slot already checked to be allocated. */
   uint8_t linktype;     /* Type of link. */
   IRRef nins;           /* Next IR instruction. Biased with REF_BIAS. */
+#if LJ_GC64
+  uint32_t unused_gc64;
+#endif
   GCRef gclist;
   IRIns *ir;            /* IR instructions/constants. Biased with REF_BIAS. */
   IRRef nk;             /* Lowest IR constant. Biased with REF_BIAS. */
@@ -400,6 +402,12 @@ typedef struct jit_State {
   size_t szallmcarea;   /* Total size of all allocated mcode areas. */
 
   TValue errinfo;       /* Additional info element for trace errors. */
+
+#if LJ_HASPROFILE
+  GCproto *prev_pt;     /* Previous prototype. */
+  BCLine prev_line;     /* Previous line. */
+  int prof_mode;        /* Profiling mode: 0, 'f', 'l'. */
+#endif
 }
 #if LJ_TARGET_ARM
 LJ_ALIGN(16)            /* For DISPATCH-relative addresses in assembler part. */