Commit 5644a175 authored by Vivek Andrew Sha's avatar Vivek Andrew Sha Committed by David Gibson
Browse files

target-ppc: add vslv instruction 



vslv: Vector Shift Left Variable

Signed-off-by: default avatarVivek Andrew Sha <vivekandrewsha@gmail.com>
Signed-off-by: default avatarNikunj A Dadhania <nikunj@linux.vnet.ibm.com>
Reviewed-by: default avatarDavid Gibson <david@gibson.dropbear.id.au>
Reviewed-by: default avatarRichard Henderson <rth@twiddle.net>
Signed-off-by: default avatarDavid Gibson <david@gibson.dropbear.id.au>
parent f7cc8466

target-ppc/helper.h

+1 −0
Original line number Diff line number Diff line
@@ -211,6 +211,7 @@ DEF_HELPER_3(vslw, void, avr, avr, avr) 
DEF_HELPER_3(vsld, void, avr, avr, avr)

DEF_HELPER_3(vslo, void, avr, avr, avr)

DEF_HELPER_3(vsro, void, avr, avr, avr)

DEF_HELPER_3(vslv, void, avr, avr, avr)

DEF_HELPER_3(vaddcuw, void, avr, avr, avr)

DEF_HELPER_3(vsubcuw, void, avr, avr, avr)

DEF_HELPER_2(lvsl, void, avr, tl)

target-ppc/int_helper.c

+14 −0
Original line number Diff line number Diff line
@@ -1696,6 +1696,20 @@ VSL(w, u32, 0x1F) 
VSL(d, u64, 0x3F)

#undef VSL



void helper_vslv(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b)

{

    int i;

    unsigned int shift, bytes, size;



    size = ARRAY_SIZE(r->u8);

    for (i = 0; i < size; i++) {

        shift = b->u8[i] & 0x7;             /* extract shift value */

        bytes = (a->u8[i] << 8) +             /* extract adjacent bytes */

            (((i + 1) < size) ? a->u8[i + 1] : 0);

        r->u8[i] = (bytes << shift) >> 8;   /* shift and store result */

    }

}



void helper_vsldoi(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, uint32_t shift)

{

    int sh = shift & 0xf;

target-ppc/translate/vmx-impl.c

+1 −0
Original line number Diff line number Diff line
@@ -383,6 +383,7 @@ GEN_VXFORM(vsrab, 2, 12); 
GEN_VXFORM(vsrah, 2, 13);

GEN_VXFORM(vsraw, 2, 14);

GEN_VXFORM(vsrad, 2, 15);

GEN_VXFORM(vslv, 2, 29);

GEN_VXFORM(vslo, 6, 16);

GEN_VXFORM(vsro, 6, 17);

GEN_VXFORM(vaddcuw, 0, 6);

target-ppc/translate/vmx-ops.c

+4 −0
Original line number Diff line number Diff line
@@ -38,6 +38,9 @@ GEN_HANDLER(name, 0x04, opc2, opc3, 0x00000000, PPC_ALTIVEC) 
#define GEN_VXFORM_207(name, opc2, opc3) \

GEN_HANDLER_E(name, 0x04, opc2, opc3, 0x00000000, PPC_NONE, PPC2_ALTIVEC_207)



#define GEN_VXFORM_300(name, opc2, opc3)                                \

GEN_HANDLER_E(name, 0x04, opc2, opc3, 0x00000000, PPC_NONE, PPC2_ISA300)



#define GEN_VXFORM_DUAL(name0, name1, opc2, opc3, type0, type1) \

GEN_HANDLER_E(name0##_##name1, 0x4, opc2, opc3, 0x00000000, type0, type1)
@@ -107,6 +110,7 @@ GEN_VXFORM(vsrab, 2, 12), 
GEN_VXFORM(vsrah, 2, 13),

GEN_VXFORM(vsraw, 2, 14),

GEN_VXFORM_207(vsrad, 2, 15),

GEN_VXFORM_300(vslv, 2, 29),

GEN_VXFORM(vslo, 6, 16),

GEN_VXFORM(vsro, 6, 17),

GEN_VXFORM(vaddcuw, 0, 6),