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-rw-r--r--target/ppc/int_helper.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/target/ppc/int_helper.c b/target/ppc/int_helper.c
index d52338e..ac7f92d 100644
--- a/target/ppc/int_helper.c
+++ b/target/ppc/int_helper.c
@@ -2747,6 +2747,9 @@ uint32_t helper_bcdadd(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, uint32_t ps)
result.u8[BCD_DIG_BYTE(0)] = bcd_preferred_sgn(sgna, ps);
zero = bcd_sub_mag(&result, a, b, &invalid, &overflow);
cr = (sgna > 0) ? CRF_GT : CRF_LT;
+ } else if (bcd_cmp_mag(a, b) == 0) {
+ result.u8[BCD_DIG_BYTE(0)] = bcd_preferred_sgn(0, ps);
+ zero = bcd_sub_mag(&result, b, a, &invalid, &overflow);
} else {
result.u8[BCD_DIG_BYTE(0)] = bcd_preferred_sgn(sgnb, ps);
zero = bcd_sub_mag(&result, b, a, &invalid, &overflow);