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Add region selection for up-recursion and tail-recursion.

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This commit is contained in:
Mike Pall
2010-02-22 14:35:47 +01:00
parent e76bcd2914
commit 19af483166
3 changed files with 5 additions and 4 deletions
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6
src/lj_record.c
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@@ -1726,8 +1726,10 @@ static void check_call_unroll(jit_State *J)
if ((J->slot[s] & TREF_FRAME) && tref_ref(J->slot[s]) == fref)
count++;
if (J->pc == J->startpc) {
if (count + (int32_t)(J->tailcalled & 0xff) > J->param[JIT_P_recunroll])
lj_trace_err(J, LJ_TRERR_NYIRECU);
if (count + (int32_t)(J->tailcalled & 0xff) > J->param[JIT_P_recunroll]) {
J->pc++;
rec_stop(J, J->curtrace); /* Up-recursion or tail-recursion. */
}
} else {
if (count > J->param[JIT_P_callunroll])
lj_trace_err(J, LJ_TRERR_CUNROLL);