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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>
This commit is contained in:
Ankit Kumar 2016-10-30 08:44:58 +05:30 committed by David Gibson
parent 09a245e187
commit 5c69452c14
4 changed files with 44 additions and 0 deletions
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3
target-ppc/helper.h
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@ -223,6 +223,9 @@ DEF_HELPER_3(vsro, void, avr, avr, avr)
DEF_HELPER_3(vsrv, void, avr, avr, avr)
DEF_HELPER_3(vslv, void, avr, avr, avr)
DEF_HELPER_3(vaddcuw, void, avr, avr, avr)
DEF_HELPER_2(vprtybw, void, avr, avr)
DEF_HELPER_2(vprtybd, void, avr, avr)
DEF_HELPER_2(vprtybq, void, avr, avr)
DEF_HELPER_3(vsubcuw, void, avr, avr, avr)
DEF_HELPER_2(lvsl, void, avr, tl)
DEF_HELPER_2(lvsr, void, avr, tl)

34
target-ppc/int_helper.c
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@ -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) \
{ \

3
target-ppc/translate/vmx-impl.inc.c
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@ -705,6 +705,9 @@ GEN_VXFORM_NOA_ENV(vrfim, 5, 11);
GEN_VXFORM_NOA_ENV(vrfin, 5, 8);
GEN_VXFORM_NOA_ENV(vrfip, 5, 10);
GEN_VXFORM_NOA_ENV(vrfiz, 5, 9);
GEN_VXFORM_NOA(vprtybw, 1, 24);
GEN_VXFORM_NOA(vprtybd, 1, 24);
GEN_VXFORM_NOA(vprtybq, 1, 24);
#define GEN_VXFORM_SIMM(name, opc2, opc3) \
static void glue(gen_, name)(DisasContext *ctx) \

4
target-ppc/translate/vmx-ops.inc.c
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@ -122,6 +122,10 @@ GEN_VXFORM_300(vslv, 2, 29),
GEN_VXFORM(vslo, 6, 16),
GEN_VXFORM(vsro, 6, 17),
GEN_VXFORM(vaddcuw, 0, 6),
GEN_HANDLER_E_2(vprtybw, 0x4, 0x1, 0x18, 8, 0, PPC_NONE, PPC2_ISA300),
GEN_HANDLER_E_2(vprtybd, 0x4, 0x1, 0x18, 9, 0, PPC_NONE, PPC2_ISA300),
GEN_HANDLER_E_2(vprtybq, 0x4, 0x1, 0x18, 10, 0, PPC_NONE, PPC2_ISA300),
GEN_VXFORM(vsubcuw, 0, 22),
GEN_VXFORM_DUAL(vaddubs, vmul10uq, 0, 8, PPC_ALTIVEC, PPC_NONE),
GEN_VXFORM_DUAL(vadduhs, vmul10euq, 0, 9, PPC_ALTIVEC, PPC_NONE),