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Re-enable trace stitching.

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Thanks to Vyacheslav Egorov.
This commit is contained in:
Mike Pall
2015-08-29 23:22:29 +02:00
parent ad29314c2c
commit a3a6866d4c
13 changed files with 60 additions and 84 deletions
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7
src/lj_trace.c
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@@ -274,7 +274,7 @@ int lj_trace_flushall(lua_State *L)
if (T->root == 0)
trace_flushroot(J, T);
lj_gdbjit_deltrace(J, T);
T->traceno = 0;
T->traceno = T->link = 0; /* Blacklist the link for cont_stitch. */
setgcrefnull(J->trace[i]);
}
}
@@ -284,6 +284,7 @@ int lj_trace_flushall(lua_State *L)
memset(J->penalty, 0, sizeof(J->penalty));
/* Free the whole machine code and invalidate all exit stub groups. */
lj_mcode_free(J);
lj_ir_k64_freeall(J);
memset(J->exitstubgroup, 0, sizeof(J->exitstubgroup));
lj_vmevent_send(L, TRACE,
setstrV(L, L->top++, lj_str_newlit(L, "flush"));
@@ -402,6 +403,7 @@ static void trace_start(jit_State *J)
J->postproc = LJ_POST_NONE;
lj_resetsplit(J);
J->retryrec = 0;
J->ktracep = NULL;
setgcref(J->cur.startpt, obj2gco(J->pt));
L = J->L;
@@ -477,6 +479,9 @@ static void trace_stop(jit_State *J)
lj_mcode_commit(J, J->cur.mcode);
J->postproc = LJ_POST_NONE;
trace_save(J, T);
if (J->ktracep) { /* Patch K64Array slot with the final GCtrace pointer. */
setgcV(J->L, J->ktracep, obj2gco(T), LJ_TTRACE);
}
L = J->L;
lj_vmevent_send(L, TRACE,