topchetoeu/tal-runtime
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Don't mark REF_BASE in DCE.

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Mike Pall 2010-11-29 16:00:44 +01:00
parent 2033d6310b
commit 592cf3ffac
1 changed files with 3 additions and 3 deletions
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6
src/lj_opt_dce.c
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@ -27,7 +27,7 @@ static void dce_marksnap(jit_State *J)
MSize n, nent = snap->nent; MSize n, nent = snap->nent;
for (n = 0; n < nent; n++) { for (n = 0; n < nent; n++) {
IRRef ref = snap_ref(map[n]); IRRef ref = snap_ref(map[n]);
if (!irref_isk(ref)) if (ref >= REF_FIRST)
irt_setmark(IR(ref)->t); irt_setmark(IR(ref)->t);
} }
} }
@ -54,8 +54,8 @@ static void dce_propagate(jit_State *J)
pchain[IR_NOP] = &ir->prev; pchain[IR_NOP] = &ir->prev;
continue; continue;
} }
if (!irref_isk(ir->op1)) irt_setmark(IR(ir->op1)->t); if (ir->op1 >= REF_FIRST) irt_setmark(IR(ir->op1)->t);
if (!irref_isk(ir->op2)) irt_setmark(IR(ir->op2)->t); if (ir->op2 >= REF_FIRST) irt_setmark(IR(ir->op2)->t);
} }
*pchain[IR_NOP] = 0; /* Terminate NOP chain. */ *pchain[IR_NOP] = 0; /* Terminate NOP chain. */
} }