On Thu, Oct 27, 2016 at 07:16:24AM -0700, Richard Henderson wrote:
> On 10/27/2016 01:36 AM, Nikunj A Dadhania wrote:
> > Right, it does reduce number of operations:
> >
> > +#define SIZE_MASK(x) ((1ULL << (x)) - 1)
> > +static uint64_t vparity(uint64_t f1, uint64_t f2, int size)
> > +{
> > +u
On 10/27/2016 01:36 AM, Nikunj A Dadhania wrote:
Right, it does reduce number of operations:
+#define SIZE_MASK(x) ((1ULL << (x)) - 1)
+static uint64_t vparity(uint64_t f1, uint64_t f2, int size)
+{
+uint64_t res = f1 ^ f2;
+if (size == 8) return res;
+return vparity(res & SIZE_MASK(
On Wed, Oct 26, 2016 at 10:22:10PM -0700, Richard Henderson wrote:
> On 10/26/2016 08:47 PM, David Gibson wrote:
> > > > +void helper_vprtybq(ppc_avr_t *r, ppc_avr_t *b)
> > > > +{
> > > > +int i;
> > > > +uint8_t s = 0;
> > > > +for (i = 0; i < 16; i++) {
> > > > +s ^= (b->u8[i
Richard Henderson writes:
> On 10/26/2016 08:47 PM, David Gibson wrote:
>>> > +void helper_vprtybq(ppc_avr_t *r, ppc_avr_t *b)
>>> > +{
>>> > +int i;
>>> > +uint8_t s = 0;
>>> > +for (i = 0; i < 16; i++) {
>>> > +s ^= (b->u8[i] & 1);
>>> > +}
>>> > +r->u64[LO_IDX] = (!
On 10/26/2016 08:47 PM, David Gibson wrote:
> +void helper_vprtybq(ppc_avr_t *r, ppc_avr_t *b)
> +{
> +int i;
> +uint8_t s = 0;
> +for (i = 0; i < 16; i++) {
> +s ^= (b->u8[i] & 1);
> +}
> +r->u64[LO_IDX] = (!s) ? 0 : 1;
> +r->u64[HI_IDX] = 0;
> +}
> +
I think you
On Wed, Oct 26, 2016 at 11:56:28AM +0530, Nikunj A Dadhania wrote:
> From: Ankit Kumar
>
> 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
> Signed-off-b
From: Ankit Kumar
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
Signed-off-by: Nikunj A Dadhania
---
target-ppc/helper.h | 3 +++
target-ppc/i
