DEF_HELPER_4(bcdadd, i32, avr, avr, avr, i32)
DEF_HELPER_4(bcdsub, i32, avr, avr, avr, i32)
DEF_HELPER_3(bcdcfn, i32, avr, avr, i32)
+DEF_HELPER_3(bcdctn, i32, avr, avr, i32)
DEF_HELPER_2(xsadddp, void, env, i32)
DEF_HELPER_2(xssubdp, void, env, i32)
#endif
}
+static void set_national_digit(ppc_avr_t *reg, uint8_t val, int n)
+{
+#if defined(HOST_WORDS_BIGENDIAN)
+ reg->u16[8 - n] = val;
+#else
+ reg->u16[n] = val;
+#endif
+}
+
static int bcd_cmp_mag(ppc_avr_t *a, ppc_avr_t *b)
{
int i;
return cr;
}
+uint32_t helper_bcdctn(ppc_avr_t *r, ppc_avr_t *b, uint32_t ps)
+{
+ int i;
+ int cr = 0;
+ int sgnb = bcd_get_sgn(b);
+ int invalid = (sgnb == 0);
+ ppc_avr_t ret = { .u64 = { 0, 0 } };
+
+ int ox_flag = (b->u64[HI_IDX] != 0) || ((b->u64[LO_IDX] >> 32) != 0);
+
+ for (i = 1; i < 8; i++) {
+ set_national_digit(&ret, 0x30 + bcd_get_digit(b, i, &invalid), i);
+
+ if (unlikely(invalid)) {
+ break;
+ }
+ }
+ set_national_digit(&ret, (sgnb == -1) ? NATIONAL_NEG : NATIONAL_PLUS, 0);
+
+ cr = bcd_cmp_zero(b);
+
+ if (ox_flag) {
+ cr |= 1 << CRF_SO;
+ }
+
+ if (unlikely(invalid)) {
+ cr = 1 << CRF_SO;
+ }
+
+ *r = ret;
+
+ return cr;
+}
+
void helper_vsbox(ppc_avr_t *r, ppc_avr_t *a)
{
int i;