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tcg: Reorg TCGOp chaining

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Instead of using -1 as end of chain, use 0, and link through the 0
entry as a fully circular double-linked list.

Reviewed-by: Aurelien Jarno <aurelien@aurel32.net>
Signed-off-by: Richard Henderson <rth@twiddle.net>
This commit is contained in:
Richard Henderson 2016-06-22 19:42:31 -07:00
parent a1b3c48d2b
commit dcb8e75870
5 changed files with 31 additions and 38 deletions
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2
include/exec/gen-icount.h
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@ -59,7 +59,7 @@ static void gen_tb_end(TranslationBlock *tb, int num_insns)
}
/* Terminate the linked list. */
tcg_ctx.gen_op_buf[tcg_ctx.gen_last_op_idx].next = -1;
tcg_ctx.gen_op_buf[tcg_ctx.gen_op_buf[0].prev].next = 0;
}
static inline void gen_io_start(void)