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authorMike Pall <mike>2012-08-27 20:27:01 +0200
committerMike Pall <mike>2012-08-27 20:27:01 +0200
commit76b18b2b465532e528af2162e79365794c8ba290 (patch)
tree3e187353b1f3392961403db64b6fb51c36d240cf /src/lj_ir.h
parent30f458fb4d8bab4096d74ed62d621110ca16e881 (diff)
downloadluajit2-76b18b2b465532e528af2162e79365794c8ba290.tar.gz
Add table of IR type sizes.
Diffstat (limited to 'src/lj_ir.h')
-rw-r--r--src/lj_ir.h17
1 files changed, 12 insertions, 5 deletions
diff --git a/src/lj_ir.h b/src/lj_ir.h
index 6d016b93..4953425a 100644
--- a/src/lj_ir.h
+++ b/src/lj_ir.h
@@ -284,16 +284,19 @@ LJ_DATA const uint8_t lj_ir_mode[IR__MAX+1];
** contiguous and next to IRT_NUM (see the typerange macros below).
*/
#define IRTDEF(_) \
- _(NIL) _(FALSE) _(TRUE) _(LIGHTUD) _(STR) _(P32) _(THREAD) \
- _(PROTO) _(FUNC) _(P64) _(CDATA) _(TAB) _(UDATA) \
- _(FLOAT) _(NUM) _(I8) _(U8) _(I16) _(U16) _(INT) _(U32) _(I64) _(U64) \
- _(SOFTFP) /* There is room for 9 more types. */
+ _(NIL, 4) _(FALSE, 4) _(TRUE, 4) _(LIGHTUD, LJ_64 ? 8 : 4) _(STR, 4) \
+ _(P32, 4) _(THREAD, 4) _(PROTO, 4) _(FUNC, 4) _(P64, 8) _(CDATA, 4) \
+ _(TAB, 4) _(UDATA, 4) \
+ _(FLOAT, 4) _(NUM, 8) _(I8, 1) _(U8, 1) _(I16, 2) _(U16, 2) \
+ _(INT, 4) _(U32, 4) _(I64, 8) _(U64, 8) \
+ _(SOFTFP, 4) /* There is room for 9 more types. */
/* IR result type and flags (8 bit). */
typedef enum {
-#define IRTENUM(name) IRT_##name,
+#define IRTENUM(name, size) IRT_##name,
IRTDEF(IRTENUM)
#undef IRTENUM
+ IRT__MAX,
/* Native pointer type and the corresponding integer type. */
IRT_PTR = LJ_64 ? IRT_P64 : IRT_P32,
@@ -361,6 +364,10 @@ typedef struct IRType1 { uint8_t irt; } IRType1;
#define irt_is64(t) ((IRT_IS64 >> irt_type(t)) & 1)
#define irt_is64orfp(t) (((IRT_IS64|(1u<<IRT_FLOAT))>>irt_type(t)) & 1)
+#define irt_size(t) (lj_ir_type_size[irt_t((t))])
+
+LJ_DATA const uint8_t lj_ir_type_size[];
+
static LJ_AINLINE IRType itype2irt(const TValue *tv)
{
if (tvisint(tv))