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Update LuaJIT to 2.0.4.

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This commit is contained in:
Alex Szpakowski
2015-12-01 14:19:13 -04:00
parent e9d77ef766
commit c952bbcab7
182 changed files with 724 additions and 401 deletions
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libs/LuaJIT/src/lj_opt_mem.c
+11 -12
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@@ -3,7 +3,7 @@
** AA: Alias Analysis using high-level semantic disambiguation.
** FWD: Load Forwarding (L2L) + Store Forwarding (S2L).
** DSE: Dead-Store Elimination.
** Copyright (C) 2005-2014 Mike Pall. See Copyright Notice in luajit.h
** Copyright (C) 2005-2015 Mike Pall. See Copyright Notice in luajit.h
*/
#define lj_opt_mem_c
@@ -740,21 +740,19 @@ retry:
case ALIAS_MUST:
/* Emit conversion if the loaded type doesn't match the forwarded type. */
if (!irt_sametype(fins->t, IR(store->op2)->t)) {
IRType st = irt_type(fins->t);
if (st == IRT_I8 || st == IRT_I16) { /* Trunc + sign-extend. */
st |= IRCONV_SEXT;
} else if (st == IRT_U8 || st == IRT_U16) { /* Trunc + zero-extend. */
} else if (st == IRT_INT) {
st = irt_type(IR(store->op2)->t); /* Needs dummy CONV.int.*. */
} else { /* I64/U64 are boxed, U32 is hidden behind a CONV.num.u32. */
goto store_fwd;
IRType dt = irt_type(fins->t), st = irt_type(IR(store->op2)->t);
if (dt == IRT_I8 || dt == IRT_I16) { /* Trunc + sign-extend. */
st = dt | IRCONV_SEXT;
dt = IRT_INT;
} else if (dt == IRT_U8 || dt == IRT_U16) { /* Trunc + zero-extend. */
st = dt;
dt = IRT_INT;
}
fins->ot = IRTI(IR_CONV);
fins->ot = IRT(IR_CONV, dt);
fins->op1 = store->op2;
fins->op2 = (IRT_INT<<5)|st;
fins->op2 = (dt<<5)|st;
return RETRYFOLD;
}
store_fwd:
return store->op2; /* Store forwarding. */
}
ref = store->prev;
@@ -795,6 +793,7 @@ TRef LJ_FASTCALL lj_opt_dse_xstore(jit_State *J)
IRRef ref = *refp;
if (J->chain[IR_CALLXS] > lim) lim = J->chain[IR_CALLXS];
if (J->chain[IR_XBAR] > lim) lim = J->chain[IR_XBAR];
if (J->chain[IR_XSNEW] > lim) lim = J->chain[IR_XSNEW];
while (ref > lim) { /* Search for redundant or conflicting stores. */
IRIns *store = IR(ref);
switch (aa_xref(J, xr, fins, store)) {