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Add frame and continuation flags to TRef and SnapEntry.

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This commit is contained in:
Mike Pall
2010-01-27 02:17:56 +01:00
parent 05d67cf566
commit d216cdb2b9
5 changed files with 56 additions and 38 deletions
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9
src/lj_jit.h
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@@ -123,9 +123,14 @@ typedef struct SnapShot {
/* Compressed snapshot entry. */
typedef uint32_t SnapEntry;
#define SNAP_FRAME 0x010000 /* Slot has frame link. */
#define SNAP_FRAME 0x010000 /* Frame slot. */
#define SNAP_CONT 0x020000 /* Continuation slot. */
LJ_STATIC_ASSERT(SNAP_FRAME == TREF_FRAME);
LJ_STATIC_ASSERT(SNAP_CONT == TREF_CONT);
#define SNAP(slot, flags, ref) ((SnapEntry)((slot) << 24) + (flags) + (ref))
#define SNAP(slot, flags, ref) (((SnapEntry)(slot) << 24) + (flags) + (ref))
#define SNAP_TR(slot, tr) \
(((SnapEntry)(slot) << 24) + ((tr) & (TREF_CONT|TREF_FRAME|TREF_REFMASK)))
#define SNAP_MKPC(pc) ((SnapEntry)u32ptr(pc))
#define SNAP_MKFTSZ(ftsz) ((SnapEntry)(ftsz))
#define snap_ref(sn) ((sn) & 0xffff)