The overflow computation of nego and subf*o instructions has been broken in commit ffe30937. This patch fixes it.
With this change the PPC emulation passes the Gwenole Beauchesne testsuite again. Cc: Alexander Graf <[email protected]> Cc: Richard Henderson <[email protected]> Signed-off-by: Aurelien Jarno <[email protected]> --- target-ppc/translate.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/target-ppc/translate.c b/target-ppc/translate.c index 5e741d1..062493a 100644 --- a/target-ppc/translate.c +++ b/target-ppc/translate.c @@ -749,7 +749,7 @@ static inline void gen_op_arith_compute_ov(DisasContext *ctx, TCGv arg0, tcg_gen_xor_tl(cpu_ov, arg0, arg1); tcg_gen_xor_tl(t0, arg1, arg2); if (sub) { - tcg_gen_and_tl(cpu_ov, cpu_ov, t0); + tcg_gen_andc_tl(cpu_ov, t0, cpu_ov); } else { tcg_gen_andc_tl(cpu_ov, cpu_ov, t0); } -- 1.7.10.4
