Commit 5c69452c authored by Ankit Kumar's avatar Ankit Kumar Committed by David Gibson
Browse files

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: default avatarAnkit Kumar <ankit@linux.vnet.ibm.com>
Signed-off-by: default avatarNikunj A Dadhania <nikunj@linux.vnet.ibm.com>
Signed-off-by: default avatarDavid Gibson <david@gibson.dropbear.id.au>
parent 09a245e1

target-ppc/helper.h

+3 −0
Original line number Diff line number Diff line
@@ -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)

target-ppc/int_helper.c

+34 −0
Original line number Diff line number Diff line
@@ -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)       \

    {                                                                   \

target-ppc/translate/vmx-impl.inc.c

+3 −0
Original line number Diff line number Diff line
@@ -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)                                 \

target-ppc/translate/vmx-ops.inc.c

+4 −0
Original line number Diff line number Diff line
@@ -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),