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tcg: Sanity check goto_tb input

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Checking that we don't try for idx != [01] is trivial.  Checking
that we don't issue more than one of any index requires a tad
more data and some ifdefs protecting that new variable.

Signed-off-by: Richard Henderson <rth@twiddle.net>
Cc: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
This commit is contained in:
Richard Henderson 2012-09-21 17:18:16 -07:00 • committed by Aurelien Jarno
parent 717e70368b
commit 0a209d4bb1
3 changed files with 13 additions and 1 deletions
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4
tcg/tcg.c
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@ -298,6 +298,10 @@ void tcg_func_start(TCGContext *s)
s->nb_labels = 0;
s->current_frame_offset = s->frame_start;
#ifdef CONFIG_DEBUG_TCG
s->goto_tb_issue_mask = 0;
#endif
gen_opc_ptr = gen_opc_buf;
gen_opparam_ptr = gen_opparam_buf;
}