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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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13
src/lj_record.c
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@@ -424,7 +424,7 @@ static BCReg rec_mm_prep(jit_State *J, ASMFunction cont)
#else
trcont = lj_ir_kptr(J, (void *)cont);
#endif
J->base[top] = emitir(IRTG(IR_FRAME, IRT_PTR), trcont, trcont);
J->base[top] = emitir(IRTG(IR_FRAME, IRT_PTR), trcont, trcont) | TREF_CONT;
for (s = J->maxslot; s < top; s++)
J->base[s] = TREF_NIL;
return top+1;
@@ -1608,7 +1608,7 @@ static int rec_call(jit_State *J, BCReg func, int cres, int nargs)
}
/* Specialize to the runtime value of the called function. */
res[0] = emitir(IRTG(IR_FRAME, IRT_FUNC), res[0], lj_ir_kfunc(J, rd.fn));
res[0] = emitir(IRTG(IR_FRAME, IRT_FUNC), res[0], lj_ir_kfunc(J, rd.fn)) | TREF_FRAME;
if (isluafunc(rd.fn)) { /* Record call to Lua function. */
GCproto *pt = funcproto(rd.fn);
@@ -2164,8 +2164,9 @@ static void rec_setup_side(jit_State *J, Trace *T)
BloomFilter seen = 0;
/* Emit IR for slots inherited from parent snapshot. */
for (n = 0; n < nent; n++) {
IRRef ref = snap_ref(map[n]);
BCReg s = snap_slot(map[n]);
SnapEntry sn = map[n];
IRRef ref = snap_ref(sn);
BCReg s = snap_slot(sn);
IRIns *ir = &T->ir[ref];
TRef tr;
/* The bloom filter avoids O(nent^2) overhead for de-duping slots. */
@@ -2196,10 +2197,10 @@ static void rec_setup_side(jit_State *J, Trace *T)
J->framedepth++;
}
tr = lj_ir_kfunc(J, ir_kfunc(&T->ir[ir->op2]));
tr = emitir_raw(IRT(IR_FRAME, IRT_FUNC), tr, tr);
tr = emitir_raw(IRT(IR_FRAME, IRT_FUNC), tr, tr) | TREF_FRAME;
} else {
tr = lj_ir_kptr(J, mref(T->ir[ir->op2].ptr, void));
tr = emitir_raw(IRT(IR_FRAME, IRT_PTR), tr, tr);
tr = emitir_raw(IRT(IR_FRAME, IRT_PTR), tr, tr) | TREF_CONT;
}
break;
case IR_SLOAD: /* Inherited SLOADs don't need a guard or type check. */