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authorAnkit Kumar <ankit@linux.vnet.ibm.com>2016-10-30 08:44:58 +0530
committerDavid Gibson <david@gibson.dropbear.id.au>2016-11-15 10:05:50 +1100
commit5c69452c1456fcefaa9d7505c06b82c48b459dff (patch)
tree9513f6e459d9a914510bdbdc29caeb4929219cf8 /target-ppc/int_helper.c
parent09a245e187efa64d1a42900ec1172087d8e8afda (diff)
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target-ppc: add vprtyb[w/d/q] instructions
Add following POWER ISA 3.0 instructions. vprtybw: Vector Parity Byte Word vprtybd: Vector Parity Byte Double Word vprtybq: Vector Parity Byte Quad Word Signed-off-by: Ankit Kumar <ankit@linux.vnet.ibm.com> Signed-off-by: Nikunj A Dadhania <nikunj@linux.vnet.ibm.com> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Diffstat (limited to 'target-ppc/int_helper.c')
-rw-r--r--target-ppc/int_helper.c34
1 files changed, 34 insertions, 0 deletions
diff --git a/target-ppc/int_helper.c b/target-ppc/int_helper.c
index 8237bf5..92684cf 100644
--- a/target-ppc/int_helper.c
+++ b/target-ppc/int_helper.c
@@ -528,6 +528,40 @@ void helper_vaddcuw(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b)
}
}
+/* vprtybw */
+void helper_vprtybw(ppc_avr_t *r, ppc_avr_t *b)
+{
+ int i;
+ for (i = 0; i < ARRAY_SIZE(r->u32); i++) {
+ uint64_t res = b->u32[i] ^ (b->u32[i] >> 16);
+ res ^= res >> 8;
+ r->u32[i] = res & 1;
+ }
+}
+
+/* vprtybd */
+void helper_vprtybd(ppc_avr_t *r, ppc_avr_t *b)
+{
+ int i;
+ for (i = 0; i < ARRAY_SIZE(r->u64); i++) {
+ uint64_t res = b->u64[i] ^ (b->u64[i] >> 32);
+ res ^= res >> 16;
+ res ^= res >> 8;
+ r->u64[i] = res & 1;
+ }
+}
+
+/* vprtybq */
+void helper_vprtybq(ppc_avr_t *r, ppc_avr_t *b)
+{
+ uint64_t res = b->u64[0] ^ b->u64[1];
+ res ^= res >> 32;
+ res ^= res >> 16;
+ res ^= res >> 8;
+ r->u64[LO_IDX] = res & 1;
+ r->u64[HI_IDX] = 0;
+}
+
#define VARITH_DO(name, op, element) \
void helper_v##name(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \
{ \