When setcond2 is rewritten into setcond, the state of the destination temp should be reset, so that a copy of the previous value is not used instead of the result.
Reported-by: Michael Tokarev <m...@tls.msk.ru> Cc: Richard Henderson <r...@twiddle.net> Signed-off-by: Aurelien Jarno <aurel...@aurel32.net> --- tcg/optimize.c | 1 + 1 file changed, 1 insertion(+) diff --git a/tcg/optimize.c b/tcg/optimize.c index 1b6644c..b35868a 100644 --- a/tcg/optimize.c +++ b/tcg/optimize.c @@ -1057,6 +1057,7 @@ static TCGArg *tcg_constant_folding(TCGContext *s, uint16_t *tcg_opc_ptr, /* Simplify LT/GE comparisons vs zero to a single compare vs the high word of the input. */ s->gen_opc_buf[op_index] = INDEX_op_setcond_i32; + reset_temp(args[0]); gen_args[0] = args[0]; gen_args[1] = args[2]; gen_args[2] = args[4]; -- 1.7.10.4