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tcg: Synchronize with qemu

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Lioncash 2019-04-26 08:40:45 -04:00
parent 006a13026a
commit 3996153514
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GPG key ID: 4E3C3CC1031BA9C7
1 changed files with 94 additions and 89 deletions
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15
qemu/tcg/tcg.c
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@ -2159,11 +2159,15 @@ static void liveness_pass_1(TCGContext *s)
goto do_not_remove;
}
}
goto do_remove;
}
goto do_not_remove;
do_remove:
tcg_op_remove(s, op);
} else {
break;
do_not_remove:
/* output args are dead */
for (i = 0; i < nb_oargs; i++) {
ts = arg_temp(op->args[i]);
@ -2182,7 +2186,9 @@ static void liveness_pass_1(TCGContext *s)
}
/* If end of basic block, update. */
if (def->flags & TCG_OPF_BB_END) {
if (def->flags & TCG_OPF_BB_EXIT) {
la_func_end(s, nb_globals, nb_temps);
} else if (def->flags & TCG_OPF_BB_END) {
// Unicorn: do not optimize dead temps on brcond,
// this causes problem because check_exit_request() inserts
// brcond instruction in the middle of the TB,
@ -2211,6 +2217,7 @@ static void liveness_pass_1(TCGContext *s)
arg_life |= DEAD_ARG << i;
}
}
/* Input arguments are live for preceding opcodes. */
for (i = nb_oargs; i < nb_oargs + nb_iargs; i++) {
ts = arg_temp(op->args[i]);
@ -2255,8 +2262,6 @@ static void liveness_pass_1(TCGContext *s)
*pset = set;
}
break;
}
}
break;
}