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-rw-r--r--target-ppc/op_helper.c28
1 files changed, 28 insertions, 0 deletions
diff --git a/target-ppc/op_helper.c b/target-ppc/op_helper.c
index 7f149c5..fc5f20e 100644
--- a/target-ppc/op_helper.c
+++ b/target-ppc/op_helper.c
@@ -2145,6 +2145,34 @@ VSL(h, u16)
VSL(w, u32)
#undef VSL
+void helper_vsldoi (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, uint32_t shift)
+{
+ int sh = shift & 0xf;
+ int i;
+ ppc_avr_t result;
+
+#if defined(WORDS_BIGENDIAN)
+ for (i = 0; i < ARRAY_SIZE(r->u8); i++) {
+ int index = sh + i;
+ if (index > 0xf) {
+ result.u8[i] = b->u8[index-0x10];
+ } else {
+ result.u8[i] = a->u8[index];
+ }
+ }
+#else
+ for (i = 0; i < ARRAY_SIZE(r->u8); i++) {
+ int index = (16 - sh) + i;
+ if (index > 0xf) {
+ result.u8[i] = a->u8[index-0x10];
+ } else {
+ result.u8[i] = b->u8[index];
+ }
+ }
+#endif
+ *r = result;
+}
+
void helper_vslo (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b)
{
int sh = (b->u8[LO_IDX*0xf] >> 3) & 0xf;