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Bump table allocations retroactively if they grow later on.

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This commit is contained in:
Mike Pall
2015-05-19 01:59:29 +02:00
parent d8cfc370ef
commit b82fc3ddc0
6 changed files with 101 additions and 9 deletions
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12
src/lj_trace.c
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@@ -394,6 +394,7 @@ static void trace_start(jit_State *J)
J->guardemit.irt = 0;
J->postproc = LJ_POST_NONE;
lj_resetsplit(J);
J->retryrec = 0;
setgcref(J->cur.startpt, obj2gco(J->pt));
L = J->L;
@@ -510,10 +511,15 @@ static int trace_abort(jit_State *J)
}
/* Penalize or blacklist starting bytecode instruction. */
if (J->parent == 0 && !bc_isret(bc_op(J->cur.startins))) {
if (J->exitno == 0)
penalty_pc(J, &gcref(J->cur.startpt)->pt, mref(J->cur.startpc, BCIns), e);
else
if (J->exitno == 0) {
BCIns *startpc = mref(J->cur.startpc, BCIns);
if (e == LJ_TRERR_RETRY)
hotcount_set(J2GG(J), startpc+1, 1); /* Immediate retry. */
else
penalty_pc(J, &gcref(J->cur.startpt)->pt, startpc, e);
} else {
traceref(J, J->exitno)->link = J->exitno; /* Self-link is blacklisted. */
}
}
/* Is there anything to abort? */