1 files changed, 15 insertions, 2 deletions

diff --git a/src/lj_ir.h b/src/lj_ir.h
index a9824325..841153d8 100644
--- a/src/lj_ir.h
+++ b/src/lj_ir.h
@@ -120,6 +120,11 @@
   _(CNEW,       AW, ref, ref) \
   _(CNEWI,      NW, ref, ref)  /* CSE is ok, not marked as A. */ \
   \
+  /* Buffer operations. */ \
+  _(BUFHDR,     L , ref, lit) \
+  _(BUFPUT,     L , ref, ref) \
+  _(BUFSTR,     A , ref, ref) \
+  \
   /* Barriers. */ \
   _(TBAR,       S , ref, ___) \
   _(OBAR,       S , ref, ref) \
@@ -128,7 +133,7 @@
   /* Type conversions. */ \
   _(CONV,       NW, ref, lit) \
   _(TOBIT,      N , ref, ref) \
-  _(TOSTR,      N , ref, ___) \
+  _(TOSTR,      N , ref, lit) \
   _(STRTO,      N , ref, ___) \
   \
   /* Calls. */ \
@@ -221,13 +226,16 @@ IRFLDEF(FLENUM)
 #define IRXLOAD_VOLATILE        2       /* Load from volatile data. */
 #define IRXLOAD_UNALIGNED       4       /* Unaligned load. */
 
+/* BUFHDR mode, stored in op2. */
+#define IRBUFHDR_RESET          0       /* Reset buffer. */
+#define IRBUFHDR_APPEND         1       /* Append to buffer. */
+
 /* CONV mode, stored in op2. */
 #define IRCONV_SRCMASK          0x001f  /* Source IRType. */
 #define IRCONV_DSTMASK          0x03e0  /* Dest. IRType (also in ir->t). */
 #define IRCONV_DSH              5
 #define IRCONV_NUM_INT          ((IRT_NUM<<IRCONV_DSH)|IRT_INT)
 #define IRCONV_INT_NUM          ((IRT_INT<<IRCONV_DSH)|IRT_NUM)
-#define IRCONV_TRUNC            0x0400  /* Truncate number to integer. */
 #define IRCONV_SEXT             0x0800  /* Sign-extend integer to integer. */
 #define IRCONV_MODEMASK         0x0fff
 #define IRCONV_CONVMASK         0xf000
@@ -238,6 +246,11 @@ IRFLDEF(FLENUM)
 #define IRCONV_INDEX  (2<<IRCONV_CSH)   /* Check + special backprop rules. */
 #define IRCONV_CHECK  (3<<IRCONV_CSH)   /* Number checked for integerness. */
 
+/* TOSTR mode, stored in op2. */
+#define IRTOSTR_INT             0       /* Convert integer to string. */
+#define IRTOSTR_NUM             1       /* Convert number to string. */
+#define IRTOSTR_CHAR            2       /* Convert char value to string. */
+
 /* -- IR operands --------------------------------------------------------- */
 
 /* IR operand mode (2 bit). */