1 files changed, 6 insertions, 4 deletions

diff --git a/src/lj_jit.h b/src/lj_jit.h
index bd7c7577..76d7942b 100644
--- a/src/lj_jit.h
+++ b/src/lj_jit.h
@@ -30,7 +30,7 @@
 #endif
 
 /* Optimization flags. */
-#define JIT_F_OPT_MASK          0x00ff0000
+#define JIT_F_OPT_MASK          0x0fff0000
 
 #define JIT_F_OPT_FOLD          0x00010000
 #define JIT_F_OPT_CSE           0x00020000
@@ -39,18 +39,20 @@
 #define JIT_F_OPT_DSE           0x00100000
 #define JIT_F_OPT_NARROW        0x00200000
 #define JIT_F_OPT_LOOP          0x00400000
-#define JIT_F_OPT_FUSE          0x00800000
+#define JIT_F_OPT_ABC           0x00800000
+#define JIT_F_OPT_FUSE          0x01000000
 
 /* Optimizations names for -O. Must match the order above. */
 #define JIT_F_OPT_FIRST         JIT_F_OPT_FOLD
 #define JIT_F_OPTSTRING \
-  "\4fold\3cse\3dce\3fwd\3dse\6narrow\4loop\4fuse"
+  "\4fold\3cse\3dce\3fwd\3dse\6narrow\4loop\3abc\4fuse"
 
 /* Optimization levels set a fixed combination of flags. */
 #define JIT_F_OPT_0     0
 #define JIT_F_OPT_1     (JIT_F_OPT_FOLD|JIT_F_OPT_CSE|JIT_F_OPT_DCE)
 #define JIT_F_OPT_2     (JIT_F_OPT_1|JIT_F_OPT_NARROW|JIT_F_OPT_LOOP)
-#define JIT_F_OPT_3     (JIT_F_OPT_2|JIT_F_OPT_FWD|JIT_F_OPT_DSE|JIT_F_OPT_FUSE)
+#define JIT_F_OPT_3 \
+  (JIT_F_OPT_2|JIT_F_OPT_FWD|JIT_F_OPT_DSE|JIT_F_OPT_ABC|JIT_F_OPT_FUSE)
 #define JIT_F_OPT_DEFAULT       JIT_F_OPT_3
 
 #if defined(LUA_USE_WIN) || LJ_64