diff options
| author | Ankit Kumar <ankit@linux.vnet.ibm.com> | 2016-10-30 08:44:58 +0530 |
|---|---|---|
| committer | David Gibson <david@gibson.dropbear.id.au> | 2016-11-15 10:05:50 +1100 |
| commit | 5c69452c1456fcefaa9d7505c06b82c48b459dff (patch) | |
| tree | 9513f6e459d9a914510bdbdc29caeb4929219cf8 /target-ppc/int_helper.c | |
| parent | 09a245e187efa64d1a42900ec1172087d8e8afda (diff) | |
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.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/target-ppc/int_helper.c b/target-ppc/int_helper.c index 8237bf5857..92684cf7d4 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) \ { \ |