Revision 15388002 cpu-exec.c

b/cpu-exec.c
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        /* cannot fail at this point */
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        tb = tb_alloc(pc);
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        /* don't forget to invalidate previous TB info */
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        T0 = 0;
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        tb_invalidated_flag = 1;
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    }
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    tc_ptr = code_gen_ptr;
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    tb->tc_ptr = tc_ptr;
......
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    tb_link_phys(tb, phys_pc, phys_page2);
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 found:
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    if (tb_invalidated_flag) {
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        /* as some TB could have been invalidated because
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           of memory exceptions while generating the code, we
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           must recompute the hash index here */
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        T0 = 0;
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    }
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    /* we add the TB in the virtual pc hash table */
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    env->tb_jmp_cache[tb_jmp_cache_hash_func(pc)] = tb;
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    spin_unlock(&tb_lock);
......
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    if (__builtin_expect(!tb || tb->pc != pc || tb->cs_base != cs_base ||
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                         tb->flags != flags, 0)) {
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        tb = tb_find_slow(pc, cs_base, flags);
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        /* Note: we do it here to avoid a gcc bug on Mac OS X when
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           doing it in tb_find_slow */
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        if (tb_invalidated_flag) {
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            /* as some TB could have been invalidated because
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               of memory exceptions while generating the code, we
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               must recompute the hash index here */
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            T0 = 0;
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        }
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    }
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    return tb;
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}

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