On 7/23/20 9:58 PM, Lijun Pan wrote:
> vmsumudm (Power ISA 3.0) - Vector Multiply-Sum Unsigned Doubleword Modulo
> VA-form.
> vmsumcud (Power ISA 3.1) - Vector Multiply-Sum & write Carry-out Unsigned
> Doubleword VA-form.
>
> Signed-off-by: Lijun Pan <[email protected]>
> ---
> v5: update instruction flag for vmsumcud.
> integrate into this isa3.1 patch series
> v3: implement vmsumudm/vmsumcud through int128 functions,
> suggested by Richard Henderson.
>
> disas/ppc.c | 2 ++
> target/ppc/helper.h | 4 ++-
> target/ppc/int_helper.c | 49 ++++++++++++++++++++++++++++-
> target/ppc/translate.c | 1 -
> target/ppc/translate/vmx-impl.inc.c | 39 ++++++++++++-----------
> target/ppc/translate/vmx-ops.inc.c | 2 ++
> 6 files changed, 76 insertions(+), 21 deletions(-)
>
> diff --git a/disas/ppc.c b/disas/ppc.c
> index 63e97cfe1d..bd76fae4c4 100644
> --- a/disas/ppc.c
> +++ b/disas/ppc.c
> @@ -2261,7 +2261,9 @@ const struct powerpc_opcode powerpc_opcodes[] = {
> { "vmsumshs", VXA(4, 41), VXA_MASK, PPCVEC, { VD, VA, VB,
> VC } },
> { "vmsumubm", VXA(4, 36), VXA_MASK, PPCVEC, { VD, VA, VB,
> VC } },
> { "vmsumuhm", VXA(4, 38), VXA_MASK, PPCVEC, { VD, VA, VB,
> VC } },
> +{ "vmsumudm", VXA(4, 35), VXA_MASK, PPCVEC, { VD, VA, VB, VC } },
> { "vmsumuhs", VXA(4, 39), VXA_MASK, PPCVEC, { VD, VA, VB,
> VC } },
> +{ "vmsumcud", VXA(4, 23), VXA_MASK, PPCVEC, { VD, VA, VB, VC } },
> { "vmulesb", VX(4, 776), VX_MASK, PPCVEC, { VD, VA, VB } },
> { "vmulesh", VX(4, 840), VX_MASK, PPCVEC, { VD, VA, VB } },
> { "vmuleub", VX(4, 520), VX_MASK, PPCVEC, { VD, VA, VB } },
> diff --git a/target/ppc/helper.h b/target/ppc/helper.h
> index 70a14029ca..00a31d64bc 100644
> --- a/target/ppc/helper.h
> +++ b/target/ppc/helper.h
> @@ -274,10 +274,12 @@ DEF_HELPER_3(vpkpx, void, avr, avr, avr)
> DEF_HELPER_5(vmhaddshs, void, env, avr, avr, avr, avr)
> DEF_HELPER_5(vmhraddshs, void, env, avr, avr, avr, avr)
> DEF_HELPER_5(vmsumuhm, void, env, avr, avr, avr, avr)
> +DEF_HELPER_5(vmsumudm, void, env, avr, avr, avr, avr)
> DEF_HELPER_5(vmsumuhs, void, env, avr, avr, avr, avr)
> DEF_HELPER_5(vmsumshm, void, env, avr, avr, avr, avr)
> DEF_HELPER_5(vmsumshs, void, env, avr, avr, avr, avr)
> -DEF_HELPER_4(vmladduhm, void, avr, avr, avr, avr)
> +DEF_HELPER_5(vmsumcud, void, env, avr, avr, avr, avr)
> +DEF_HELPER_5(vmladduhm, void, env, avr, avr, avr, avr)
> DEF_HELPER_FLAGS_2(mtvscr, TCG_CALL_NO_RWG, void, env, i32)
> DEF_HELPER_FLAGS_1(mfvscr, TCG_CALL_NO_RWG, i32, env)
> DEF_HELPER_3(lvebx, void, env, avr, tl)
> diff --git a/target/ppc/int_helper.c b/target/ppc/int_helper.c
> index 62b93b4568..2e919a7b8e 100644
> --- a/target/ppc/int_helper.c
> +++ b/target/ppc/int_helper.c
> @@ -913,7 +913,8 @@ void helper_vmhraddshs(CPUPPCState *env, ppc_avr_t *r,
> ppc_avr_t *a,
> }
> }
>
> -void helper_vmladduhm(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, ppc_avr_t *c)
> +void helper_vmladduhm(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a,
> + ppc_avr_t *b, ppc_avr_t *c)
Why?
> +void helper_vmsumudm(CPUPPCState *env, ppc_avr_t *r,
> + ppc_avr_t *a, ppc_avr_t *b, ppc_avr_t *c)
> +{
...
> +void helper_vmsumcud(CPUPPCState *env, ppc_avr_t *r,
> + ppc_avr_t *a, ppc_avr_t *b, ppc_avr_t *c)
You don't actually use env in either helper, so you shouldn't pass it in.
r~
