diff --git a/target/ppc/helper.h b/target/ppc/helper.h
index 04689522f8..5d11158f1f 100644
--- a/target/ppc/helper.h
+++ b/target/ppc/helper.h
@@ -206,10 +206,10 @@ DEF_HELPER_3(VMULOUB, void, avr, avr, avr)
 DEF_HELPER_3(VMULOUH, void, avr, avr, avr)
 DEF_HELPER_3(VMULOUW, void, avr, avr, avr)
 DEF_HELPER_3(VMULOUD, void, avr, avr, avr)
-DEF_HELPER_3(vmulhsw, void, avr, avr, avr)
-DEF_HELPER_3(vmulhuw, void, avr, avr, avr)
-DEF_HELPER_3(vmulhsd, void, avr, avr, avr)
-DEF_HELPER_3(vmulhud, void, avr, avr, avr)
+DEF_HELPER_3(VMULHSW, void, avr, avr, avr)
+DEF_HELPER_3(VMULHUW, void, avr, avr, avr)
+DEF_HELPER_3(VMULHSD, void, avr, avr, avr)
+DEF_HELPER_3(VMULHUD, void, avr, avr, avr)
 DEF_HELPER_3(vslo, void, avr, avr, avr)
 DEF_HELPER_3(vsro, void, avr, avr, avr)
 DEF_HELPER_3(vsrv, void, avr, avr, avr)
diff --git a/target/ppc/insn32.decode b/target/ppc/insn32.decode
index 092ea79618..d817e44c71 100644
--- a/target/ppc/insn32.decode
+++ b/target/ppc/insn32.decode
@@ -462,6 +462,12 @@ VMULOSD         000100 ..... ..... ..... 00111001000    @VX
 VMULEUD         000100 ..... ..... ..... 01011001000    @VX
 VMULOUD         000100 ..... ..... ..... 00011001000    @VX
 
+VMULHSW         000100 ..... ..... ..... 01110001001    @VX
+VMULHUW         000100 ..... ..... ..... 01010001001    @VX
+VMULHSD         000100 ..... ..... ..... 01111001001    @VX
+VMULHUD         000100 ..... ..... ..... 01011001001    @VX
+VMULLD          000100 ..... ..... ..... 00111001001    @VX
+
 # VSX Load/Store Instructions
 
 LXV             111101 ..... ..... ............ . 001   @DQ_TSX
diff --git a/target/ppc/int_helper.c b/target/ppc/int_helper.c
index 7d925418d4..8ddeccef12 100644
--- a/target/ppc/int_helper.c
+++ b/target/ppc/int_helper.c
@@ -1113,7 +1113,7 @@ void helper_VMULOUD(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b)
     mulu64(&r->VsrD(1), &r->VsrD(0), a->VsrD(1), b->VsrD(1));
 }
 
-void helper_vmulhsw(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b)
+void helper_VMULHSW(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b)
 {
     int i;
 
@@ -1122,7 +1122,7 @@ void helper_vmulhsw(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b)
     }
 }
 
-void helper_vmulhuw(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b)
+void helper_VMULHUW(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b)
 {
     int i;
 
@@ -1132,7 +1132,7 @@ void helper_vmulhuw(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b)
     }
 }
 
-void helper_vmulhsd(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b)
+void helper_VMULHSD(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b)
 {
     uint64_t discard;
 
@@ -1140,7 +1140,7 @@ void helper_vmulhsd(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b)
     muls64(&discard, &r->u64[1], a->s64[1], b->s64[1]);
 }
 
-void helper_vmulhud(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b)
+void helper_VMULHUD(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b)
 {
     uint64_t discard;
 
diff --git a/target/ppc/translate/vmx-impl.c.inc b/target/ppc/translate/vmx-impl.c.inc
index 430579addd..62d0642226 100644
--- a/target/ppc/translate/vmx-impl.c.inc
+++ b/target/ppc/translate/vmx-impl.c.inc
@@ -799,11 +799,6 @@ static void trans_vclzd(DisasContext *ctx)
 }
 
 GEN_VXFORM_V(vmuluwm, MO_32, tcg_gen_gvec_mul, 4, 2);
-GEN_VXFORM_V(vmulld, MO_64, tcg_gen_gvec_mul, 4, 7);
-GEN_VXFORM(vmulhuw, 4, 10);
-GEN_VXFORM(vmulhud, 4, 11);
-GEN_VXFORM(vmulhsw, 4, 14);
-GEN_VXFORM(vmulhsd, 4, 15);
 GEN_VXFORM_V(vslb, MO_8, tcg_gen_gvec_shlv, 2, 4);
 GEN_VXFORM_V(vslh, MO_16, tcg_gen_gvec_shlv, 2, 5);
 GEN_VXFORM_V(vslw, MO_32, tcg_gen_gvec_shlv, 2, 6);
@@ -2103,6 +2098,17 @@ static bool do_vx_helper(DisasContext *ctx, arg_VX *a,
     return true;
 }
 
+static bool trans_VMULLD(DisasContext *ctx, arg_VX *a)
+{
+    REQUIRE_INSNS_FLAGS2(ctx, ISA310);
+    REQUIRE_VECTOR(ctx);
+
+    tcg_gen_gvec_mul(MO_64, avr_full_offset(a->vrt), avr_full_offset(a->vra),
+                     avr_full_offset(a->vrb), 16, 16);
+
+    return true;
+}
+
 TRANS_FLAGS2(ALTIVEC_207, VMULESB, do_vx_helper, gen_helper_VMULESB)
 TRANS_FLAGS2(ALTIVEC_207, VMULOSB, do_vx_helper, gen_helper_VMULOSB)
 TRANS_FLAGS2(ALTIVEC_207, VMULEUB, do_vx_helper, gen_helper_VMULEUB)
@@ -2120,6 +2126,11 @@ TRANS_FLAGS2(ISA310, VMULOSD, do_vx_helper, gen_helper_VMULOSD)
 TRANS_FLAGS2(ISA310, VMULEUD, do_vx_helper, gen_helper_VMULEUD)
 TRANS_FLAGS2(ISA310, VMULOUD, do_vx_helper, gen_helper_VMULOUD)
 
+TRANS_FLAGS2(ISA310, VMULHSW, do_vx_helper, gen_helper_VMULHSW)
+TRANS_FLAGS2(ISA310, VMULHSD, do_vx_helper, gen_helper_VMULHSD)
+TRANS_FLAGS2(ISA310, VMULHUW, do_vx_helper, gen_helper_VMULHUW)
+TRANS_FLAGS2(ISA310, VMULHUD, do_vx_helper, gen_helper_VMULHUD)
+
 #undef GEN_VR_LDX
 #undef GEN_VR_STX
 #undef GEN_VR_LVE
diff --git a/target/ppc/translate/vmx-ops.c.inc b/target/ppc/translate/vmx-ops.c.inc
index f310b2fbde..914e68e5b0 100644
--- a/target/ppc/translate/vmx-ops.c.inc
+++ b/target/ppc/translate/vmx-ops.c.inc
@@ -102,11 +102,6 @@ GEN_VXFORM_300(vextubrx, 6, 28),
 GEN_VXFORM_300(vextuhrx, 6, 29),
 GEN_VXFORM_DUAL(vmrgew, vextuwrx, 6, 30, PPC_NONE, PPC2_ALTIVEC_207),
 GEN_VXFORM_207(vmuluwm, 4, 2),
-GEN_VXFORM_310(vmulld, 4, 7),
-GEN_VXFORM_310(vmulhuw, 4, 10),
-GEN_VXFORM_310(vmulhud, 4, 11),
-GEN_VXFORM_310(vmulhsw, 4, 14),
-GEN_VXFORM_310(vmulhsd, 4, 15),
 GEN_VXFORM(vslb, 2, 4),
 GEN_VXFORM(vslh, 2, 5),
 GEN_VXFORM_DUAL(vslw, vrlwnm, 2, 6, PPC_ALTIVEC, PPC_NONE),
