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Compile table traversals: next(), pairs(), BC_ISNEXT/BC_ITERN.

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Sponsored by OpenResty Inc.
This commit is contained in:
Mike Pall
2021-09-19 17:49:25 +02:00
parent 986bb406ad
commit bb0f241015
27 changed files with 781 additions and 47 deletions
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6
src/lj_jit.h
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@@ -150,6 +150,7 @@ typedef enum {
LJ_TRACE_IDLE, /* Trace compiler idle. */
LJ_TRACE_ACTIVE = 0x10,
LJ_TRACE_RECORD, /* Bytecode recording active. */
LJ_TRACE_RECORD_1ST, /* Record 1st instruction, too. */
LJ_TRACE_START, /* New trace started. */
LJ_TRACE_END, /* End of trace. */
LJ_TRACE_ASM, /* Assemble trace. */
@@ -200,12 +201,15 @@ typedef uint32_t SnapEntry;
#define SNAP_CONT 0x020000 /* Continuation slot. */
#define SNAP_NORESTORE 0x040000 /* No need to restore slot. */
#define SNAP_SOFTFPNUM 0x080000 /* Soft-float number. */
#define SNAP_KEYINDEX 0x100000 /* Traversal key index. */
LJ_STATIC_ASSERT(SNAP_FRAME == TREF_FRAME);
LJ_STATIC_ASSERT(SNAP_CONT == TREF_CONT);
LJ_STATIC_ASSERT(SNAP_KEYINDEX == TREF_KEYINDEX);
#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)))
(((SnapEntry)(slot) << 24) + \
((tr) & (TREF_KEYINDEX|TREF_CONT|TREF_FRAME|TREF_REFMASK)))
#if !LJ_FR2
#define SNAP_MKPC(pc) ((SnapEntry)u32ptr(pc))
#endif