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-rw-r--r--target/ppc/int_helper.c23
1 files changed, 23 insertions, 0 deletions
diff --git a/target/ppc/int_helper.c b/target/ppc/int_helper.c
index fa7cfddab2..61762eebec 100644
--- a/target/ppc/int_helper.c
+++ b/target/ppc/int_helper.c
@@ -2920,6 +2920,29 @@ uint32_t helper_bcdctsq(ppc_avr_t *r, ppc_avr_t *b, uint32_t ps)
return cr;
}
+uint32_t helper_bcdcpsgn(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, uint32_t ps)
+{
+ int i;
+ int invalid = 0;
+
+ if (bcd_get_sgn(a) == 0 || bcd_get_sgn(b) == 0) {
+ return CRF_SO;
+ }
+
+ *r = *a;
+ bcd_put_digit(r, b->u8[BCD_DIG_BYTE(0)] & 0xF, 0);
+
+ for (i = 1; i < 32; i++) {
+ bcd_get_digit(a, i, &invalid);
+ bcd_get_digit(b, i, &invalid);
+ if (unlikely(invalid)) {
+ return CRF_SO;
+ }
+ }
+
+ return bcd_cmp_zero(r);
+}
+
void helper_vsbox(ppc_avr_t *r, ppc_avr_t *a)
{
int i;