diff --git a/accel/tcg/tcg-runtime.h b/accel/tcg/tcg-runtime.h
index ec187a094b..30bb10f9f1 100644
--- a/accel/tcg/tcg-runtime.h
+++ b/accel/tcg/tcg-runtime.h
@@ -147,6 +147,11 @@ DEF_HELPER_FLAGS_4(gvec_add16, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
 DEF_HELPER_FLAGS_4(gvec_add32, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
 DEF_HELPER_FLAGS_4(gvec_add64, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
 
+DEF_HELPER_FLAGS_4(gvec_adds8, TCG_CALL_NO_RWG, void, ptr, ptr, i64, i32)
+DEF_HELPER_FLAGS_4(gvec_adds16, TCG_CALL_NO_RWG, void, ptr, ptr, i64, i32)
+DEF_HELPER_FLAGS_4(gvec_adds32, TCG_CALL_NO_RWG, void, ptr, ptr, i64, i32)
+DEF_HELPER_FLAGS_4(gvec_adds64, TCG_CALL_NO_RWG, void, ptr, ptr, i64, i32)
+
 DEF_HELPER_FLAGS_4(gvec_sub8, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
 DEF_HELPER_FLAGS_4(gvec_sub16, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
 DEF_HELPER_FLAGS_4(gvec_sub32, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
@@ -157,6 +162,11 @@ DEF_HELPER_FLAGS_4(gvec_mul16, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
 DEF_HELPER_FLAGS_4(gvec_mul32, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
 DEF_HELPER_FLAGS_4(gvec_mul64, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
 
+DEF_HELPER_FLAGS_4(gvec_muls8, TCG_CALL_NO_RWG, void, ptr, ptr, i64, i32)
+DEF_HELPER_FLAGS_4(gvec_muls16, TCG_CALL_NO_RWG, void, ptr, ptr, i64, i32)
+DEF_HELPER_FLAGS_4(gvec_muls32, TCG_CALL_NO_RWG, void, ptr, ptr, i64, i32)
+DEF_HELPER_FLAGS_4(gvec_muls64, TCG_CALL_NO_RWG, void, ptr, ptr, i64, i32)
+
 DEF_HELPER_FLAGS_4(gvec_ssadd8, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
 DEF_HELPER_FLAGS_4(gvec_ssadd16, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
 DEF_HELPER_FLAGS_4(gvec_ssadd32, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
@@ -189,6 +199,10 @@ DEF_HELPER_FLAGS_4(gvec_xor, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
 DEF_HELPER_FLAGS_4(gvec_andc, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
 DEF_HELPER_FLAGS_4(gvec_orc, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
 
+DEF_HELPER_FLAGS_4(gvec_andi, TCG_CALL_NO_RWG, void, ptr, ptr, i64, i32)
+DEF_HELPER_FLAGS_4(gvec_xori, TCG_CALL_NO_RWG, void, ptr, ptr, i64, i32)
+DEF_HELPER_FLAGS_4(gvec_ori, TCG_CALL_NO_RWG, void, ptr, ptr, i64, i32)
+
 DEF_HELPER_FLAGS_3(gvec_shl8i, TCG_CALL_NO_RWG, void, ptr, ptr, i32)
 DEF_HELPER_FLAGS_3(gvec_shl16i, TCG_CALL_NO_RWG, void, ptr, ptr, i32)
 DEF_HELPER_FLAGS_3(gvec_shl32i, TCG_CALL_NO_RWG, void, ptr, ptr, i32)
diff --git a/tcg/tcg-op-gvec.h b/tcg/tcg-op-gvec.h
index 98fdab22f6..1fbb94a0cd 100644
--- a/tcg/tcg-op-gvec.h
+++ b/tcg/tcg-op-gvec.h
@@ -35,6 +35,12 @@ void tcg_gen_gvec_2_ool(uint32_t dofs, uint32_t aofs,
                         uint32_t oprsz, uint32_t maxsz, int32_t data,
                         gen_helper_gvec_2 *fn);
 
+/* Similarly, passing an extra data value.  */
+typedef void gen_helper_gvec_2i(TCGv_ptr, TCGv_ptr, TCGv_i64, TCGv_i32);
+void tcg_gen_gvec_2i_ool(uint32_t dofs, uint32_t aofs, TCGv_i64 c,
+                         uint32_t oprsz, uint32_t maxsz, int32_t data,
+                         gen_helper_gvec_2i *fn);
+
 /* Similarly, passing an extra pointer (e.g. env or float_status).  */
 typedef void gen_helper_gvec_2_ptr(TCGv_ptr, TCGv_ptr, TCGv_ptr, TCGv_i32);
 void tcg_gen_gvec_2_ptr(uint32_t dofs, uint32_t aofs,
@@ -102,8 +108,10 @@ typedef struct {
     void (*fni4)(TCGv_i32, TCGv_i32, int32_t);
     /* Expand inline with a host vector type.  */
     void (*fniv)(unsigned, TCGv_vec, TCGv_vec, int64_t);
-    /* Expand out-of-line helper w/descriptor.  */
+    /* Expand out-of-line helper w/descriptor, data in descriptor.  */
     gen_helper_gvec_2 *fno;
+    /* Expand out-of-line helper w/descriptor, data as argument.  */
+    gen_helper_gvec_2i *fnoi;
     /* The opcode, if any, to which this corresponds.  */
     TCGOpcode opc;
     /* The vector element size, if applicable.  */
@@ -179,6 +187,11 @@ void tcg_gen_gvec_sub(unsigned vece, uint32_t dofs, uint32_t aofs,
 void tcg_gen_gvec_mul(unsigned vece, uint32_t dofs, uint32_t aofs,
                       uint32_t bofs, uint32_t oprsz, uint32_t maxsz);
 
+void tcg_gen_gvec_addi(unsigned vece, uint32_t dofs, uint32_t aofs,
+                       int64_t c, uint32_t oprsz, uint32_t maxsz);
+void tcg_gen_gvec_muli(unsigned vece, uint32_t dofs, uint32_t aofs,
+                       int64_t c, uint32_t oprsz, uint32_t maxsz);
+
 /* Saturated arithmetic.  */
 void tcg_gen_gvec_ssadd(unsigned vece, uint32_t dofs, uint32_t aofs,
                         uint32_t bofs, uint32_t oprsz, uint32_t maxsz);
@@ -200,6 +213,13 @@ void tcg_gen_gvec_andc(unsigned vece, uint32_t dofs, uint32_t aofs,
 void tcg_gen_gvec_orc(unsigned vece, uint32_t dofs, uint32_t aofs,
                       uint32_t bofs, uint32_t oprsz, uint32_t maxsz);
 
+void tcg_gen_gvec_andi(unsigned vece, uint32_t dofs, uint32_t aofs,
+                       int64_t c, uint32_t oprsz, uint32_t maxsz);
+void tcg_gen_gvec_xori(unsigned vece, uint32_t dofs, uint32_t aofs,
+                       int64_t c, uint32_t oprsz, uint32_t maxsz);
+void tcg_gen_gvec_ori(unsigned vece, uint32_t dofs, uint32_t aofs,
+                      int64_t c, uint32_t oprsz, uint32_t maxsz);
+
 void tcg_gen_gvec_dup_mem(unsigned vece, uint32_t dofs, uint32_t aofs,
                           uint32_t s, uint32_t m);
 void tcg_gen_gvec_dup_i32(unsigned vece, uint32_t dofs, uint32_t s,
diff --git a/accel/tcg/tcg-runtime-gvec.c b/accel/tcg/tcg-runtime-gvec.c
index e84c900670..378658124f 100644
--- a/accel/tcg/tcg-runtime-gvec.c
+++ b/accel/tcg/tcg-runtime-gvec.c
@@ -97,6 +97,54 @@ void HELPER(gvec_add64)(void *d, void *a, void *b, uint32_t desc)
     clear_high(d, oprsz, desc);
 }
 
+void HELPER(gvec_adds8)(void *d, void *a, uint64_t b, uint32_t desc)
+{
+    intptr_t oprsz = simd_oprsz(desc);
+    vec8 vecb = (vec8){ b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b };
+    intptr_t i;
+
+    for (i = 0; i < oprsz; i += sizeof(vec8)) {
+        *(vec8 *)(d + i) = *(vec8 *)(a + i) + vecb;
+    }
+    clear_high(d, oprsz, desc);
+}
+
+void HELPER(gvec_adds16)(void *d, void *a, uint64_t b, uint32_t desc)
+{
+    intptr_t oprsz = simd_oprsz(desc);
+    vec16 vecb = (vec16){ b, b, b, b, b, b, b, b };
+    intptr_t i;
+
+    for (i = 0; i < oprsz; i += sizeof(vec16)) {
+        *(vec16 *)(d + i) = *(vec16 *)(a + i) + vecb;
+    }
+    clear_high(d, oprsz, desc);
+}
+
+void HELPER(gvec_adds32)(void *d, void *a, uint64_t b, uint32_t desc)
+{
+    intptr_t oprsz = simd_oprsz(desc);
+    vec32 vecb = (vec32){ b, b, b, b };
+    intptr_t i;
+
+    for (i = 0; i < oprsz; i += sizeof(vec32)) {
+        *(vec32 *)(d + i) = *(vec32 *)(a + i) + vecb;
+    }
+    clear_high(d, oprsz, desc);
+}
+
+void HELPER(gvec_adds64)(void *d, void *a, uint64_t b, uint32_t desc)
+{
+    intptr_t oprsz = simd_oprsz(desc);
+    vec64 vecb = (vec64){ b, b };
+    intptr_t i;
+
+    for (i = 0; i < oprsz; i += sizeof(vec64)) {
+        *(vec64 *)(d + i) = *(vec64 *)(a + i) + vecb;
+    }
+    clear_high(d, oprsz, desc);
+}
+
 void HELPER(gvec_sub8)(void *d, void *a, void *b, uint32_t desc)
 {
     intptr_t oprsz = simd_oprsz(desc);
@@ -185,6 +233,54 @@ void HELPER(gvec_mul64)(void *d, void *a, void *b, uint32_t desc)
     clear_high(d, oprsz, desc);
 }
 
+void HELPER(gvec_muls8)(void *d, void *a, uint64_t b, uint32_t desc)
+{
+    intptr_t oprsz = simd_oprsz(desc);
+    vec8 vecb = (vec8){ b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b };
+    intptr_t i;
+
+    for (i = 0; i < oprsz; i += sizeof(vec8)) {
+        *(vec8 *)(d + i) = *(vec8 *)(a + i) * vecb;
+    }
+    clear_high(d, oprsz, desc);
+}
+
+void HELPER(gvec_muls16)(void *d, void *a, uint64_t b, uint32_t desc)
+{
+    intptr_t oprsz = simd_oprsz(desc);
+    vec16 vecb = (vec16){ b, b, b, b, b, b, b, b };
+    intptr_t i;
+
+    for (i = 0; i < oprsz; i += sizeof(vec16)) {
+        *(vec16 *)(d + i) = *(vec16 *)(a + i) * vecb;
+    }
+    clear_high(d, oprsz, desc);
+}
+
+void HELPER(gvec_muls32)(void *d, void *a, uint64_t b, uint32_t desc)
+{
+    intptr_t oprsz = simd_oprsz(desc);
+    vec32 vecb = (vec32){ b, b, b, b };
+    intptr_t i;
+
+    for (i = 0; i < oprsz; i += sizeof(vec32)) {
+        *(vec32 *)(d + i) = *(vec32 *)(a + i) * vecb;
+    }
+    clear_high(d, oprsz, desc);
+}
+
+void HELPER(gvec_muls64)(void *d, void *a, uint64_t b, uint32_t desc)
+{
+    intptr_t oprsz = simd_oprsz(desc);
+    vec64 vecb = (vec64){ b, b };
+    intptr_t i;
+
+    for (i = 0; i < oprsz; i += sizeof(vec64)) {
+        *(vec64 *)(d + i) = *(vec64 *)(a + i) * vecb;
+    }
+    clear_high(d, oprsz, desc);
+}
+
 void HELPER(gvec_neg8)(void *d, void *a, uint32_t desc)
 {
     intptr_t oprsz = simd_oprsz(desc);
@@ -343,6 +439,42 @@ void HELPER(gvec_orc)(void *d, void *a, void *b, uint32_t desc)
     clear_high(d, oprsz, desc);
 }
 
+void HELPER(gvec_andi)(void *d, void *a, uint64_t b, uint32_t desc)
+{
+    intptr_t oprsz = simd_oprsz(desc);
+    vec64 vecb = (vec64){ b, b };
+    intptr_t i;
+
+    for (i = 0; i < oprsz; i += sizeof(vec64)) {
+        *(vec64 *)(d + i) = *(vec64 *)(a + i) & vecb;
+    }
+    clear_high(d, oprsz, desc);
+}
+
+void HELPER(gvec_xori)(void *d, void *a, uint64_t b, uint32_t desc)
+{
+    intptr_t oprsz = simd_oprsz(desc);
+    vec64 vecb = (vec64){ b, b };
+    intptr_t i;
+
+    for (i = 0; i < oprsz; i += sizeof(vec64)) {
+        *(vec64 *)(d + i) = *(vec64 *)(a + i) ^ vecb;
+    }
+    clear_high(d, oprsz, desc);
+}
+
+void HELPER(gvec_ori)(void *d, void *a, uint64_t b, uint32_t desc)
+{
+    intptr_t oprsz = simd_oprsz(desc);
+    vec64 vecb = (vec64){ b, b };
+    intptr_t i;
+
+    for (i = 0; i < oprsz; i += sizeof(vec64)) {
+        *(vec64 *)(d + i) = *(vec64 *)(a + i) | vecb;
+    }
+    clear_high(d, oprsz, desc);
+}
+
 void HELPER(gvec_shl8i)(void *d, void *a, uint32_t desc)
 {
     intptr_t oprsz = simd_oprsz(desc);
diff --git a/tcg/tcg-op-gvec.c b/tcg/tcg-op-gvec.c
index d65a5b1b82..59570cc17e 100644
--- a/tcg/tcg-op-gvec.c
+++ b/tcg/tcg-op-gvec.c
@@ -106,6 +106,28 @@ void tcg_gen_gvec_2_ool(uint32_t dofs, uint32_t aofs,
     tcg_temp_free_i32(desc);
 }
 
+/* Generate a call to a gvec-style helper with two vector operands
+   and one scalar operand.  */
+void tcg_gen_gvec_2i_ool(uint32_t dofs, uint32_t aofs, TCGv_i64 c,
+                         uint32_t oprsz, uint32_t maxsz, int32_t data,
+                         gen_helper_gvec_2i *fn)
+{
+    TCGv_ptr a0, a1;
+    TCGv_i32 desc = tcg_const_i32(simd_desc(oprsz, maxsz, data));
+
+    a0 = tcg_temp_new_ptr();
+    a1 = tcg_temp_new_ptr();
+
+    tcg_gen_addi_ptr(a0, cpu_env, dofs);
+    tcg_gen_addi_ptr(a1, cpu_env, aofs);
+
+    fn(a0, a1, c, desc);
+
+    tcg_temp_free_ptr(a0);
+    tcg_temp_free_ptr(a1);
+    tcg_temp_free_i32(desc);
+}
+
 /* Generate a call to a gvec-style helper with three vector operands.  */
 void tcg_gen_gvec_3_ool(uint32_t dofs, uint32_t aofs, uint32_t bofs,
                         uint32_t oprsz, uint32_t maxsz, int32_t data,
@@ -859,7 +881,13 @@ void tcg_gen_gvec_2i(uint32_t dofs, uint32_t aofs, uint32_t oprsz,
     } else if (g->fni4 && check_size_impl(oprsz, 4)) {
         expand_2i_i32(dofs, aofs, oprsz, c, g->load_dest, g->fni4);
     } else {
-        tcg_gen_gvec_2_ool(dofs, aofs, oprsz, maxsz, c, g->fno);
+        if (g->fno) {
+            tcg_gen_gvec_2_ool(dofs, aofs, oprsz, maxsz, c, g->fno);
+        } else {
+            TCGv_i64 tcg_c = tcg_const_i64(c);
+            tcg_gen_gvec_2i_ool(dofs, aofs, tcg_c, oprsz, maxsz, c, g->fnoi);
+            tcg_temp_free_i64(tcg_c);
+        }
         return;
     }
 
@@ -1183,6 +1211,59 @@ void tcg_gen_gvec_add(unsigned vece, uint32_t dofs, uint32_t aofs,
     tcg_gen_gvec_3(dofs, aofs, bofs, oprsz, maxsz, &g[vece]);
 }
 
+static void tcg_gen_vec_addi8_i64(TCGv_i64 d, TCGv_i64 a, int64_t b)
+{
+    TCGv_i64 t = tcg_const_i64((b & 0xff) * (-1ull / 0xff));
+    tcg_gen_vec_add8_i64(d, a, t);
+    tcg_temp_free_i64(t);
+}
+
+static void tcg_gen_vec_addi16_i64(TCGv_i64 d, TCGv_i64 a, int64_t b)
+{
+    TCGv_i64 t = tcg_const_i64((b & 0xffff) * (-1ull / 0xffff));
+    tcg_gen_vec_add16_i64(d, a, t);
+    tcg_temp_free_i64(t);
+}
+
+static void tcg_gen_addi_vec(unsigned vece, TCGv_vec d, TCGv_vec a, int64_t b)
+{
+    TCGv_vec t = tcg_temp_new_vec_matching(d);
+    tcg_gen_dupi_vec(vece, t, b);
+    tcg_gen_add_vec(vece, d, a, t);
+    tcg_temp_free_vec(t);
+}
+
+void tcg_gen_gvec_addi(unsigned vece, uint32_t dofs, uint32_t aofs,
+                       int64_t c, uint32_t oprsz, uint32_t maxsz)
+{
+    static const GVecGen2i g[4] = {
+        { .fni8 = tcg_gen_vec_addi8_i64,
+          .fniv = tcg_gen_addi_vec,
+          .fnoi = gen_helper_gvec_adds8,
+          .opc = INDEX_op_add_vec,
+          .vece = MO_8 },
+        { .fni8 = tcg_gen_vec_addi16_i64,
+          .fniv = tcg_gen_addi_vec,
+          .fnoi = gen_helper_gvec_adds16,
+          .opc = INDEX_op_add_vec,
+          .vece = MO_16 },
+        { .fni4 = tcg_gen_addi_i32,
+          .fniv = tcg_gen_addi_vec,
+          .fnoi = gen_helper_gvec_adds32,
+          .opc = INDEX_op_add_vec,
+          .vece = MO_32 },
+        { .fni8 = tcg_gen_addi_i64,
+          .fniv = tcg_gen_addi_vec,
+          .fnoi = gen_helper_gvec_adds64,
+          .opc = INDEX_op_add_vec,
+          .prefer_i64 = TCG_TARGET_REG_BITS == 64,
+          .vece = MO_64 },
+    };
+
+    tcg_debug_assert(vece <= MO_64);
+    tcg_gen_gvec_2i(dofs, aofs, oprsz, maxsz, c, &g[vece]);
+}
+
 /* Perform a vector subtraction using normal subtraction and a mask.
    Compare gen_addv_mask above.  */
 static void gen_subv_mask(TCGv_i64 d, TCGv_i64 a, TCGv_i64 b, TCGv_i64 m)
@@ -1291,6 +1372,43 @@ void tcg_gen_gvec_mul(unsigned vece, uint32_t dofs, uint32_t aofs,
     tcg_gen_gvec_3(dofs, aofs, bofs, oprsz, maxsz, &g[vece]);
 }
 
+static void tcg_gen_muli_vec(unsigned vece, TCGv_vec d, TCGv_vec a, int64_t b)
+{
+    TCGv_vec t = tcg_temp_new_vec_matching(d);
+    tcg_gen_dupi_vec(vece, t, b);
+    tcg_gen_mul_vec(vece, d, a, t);
+    tcg_temp_free_vec(t);
+}
+
+void tcg_gen_gvec_muli(unsigned vece, uint32_t dofs, uint32_t aofs,
+                       int64_t c, uint32_t oprsz, uint32_t maxsz)
+{
+    static const GVecGen2i g[4] = {
+        { .fniv = tcg_gen_muli_vec,
+          .fnoi = gen_helper_gvec_muls8,
+          .opc = INDEX_op_mul_vec,
+          .vece = MO_8 },
+        { .fniv = tcg_gen_muli_vec,
+          .fnoi = gen_helper_gvec_muls16,
+          .opc = INDEX_op_mul_vec,
+          .vece = MO_16 },
+        { .fni4 = tcg_gen_muli_i32,
+          .fniv = tcg_gen_muli_vec,
+          .fnoi = gen_helper_gvec_muls32,
+          .opc = INDEX_op_mul_vec,
+          .vece = MO_32 },
+        { .fni8 = tcg_gen_muli_i64,
+          .fniv = tcg_gen_muli_vec,
+          .fnoi = gen_helper_gvec_muls64,
+          .opc = INDEX_op_mul_vec,
+          .prefer_i64 = TCG_TARGET_REG_BITS == 64,
+          .vece = MO_64 },
+    };
+
+    tcg_debug_assert(vece <= MO_64);
+    tcg_gen_gvec_2i(dofs, aofs, oprsz, maxsz, c, &g[vece]);
+}
+
 void tcg_gen_gvec_ssadd(unsigned vece, uint32_t dofs, uint32_t aofs,
                         uint32_t bofs, uint32_t oprsz, uint32_t maxsz)
 {
@@ -1523,6 +1641,72 @@ void tcg_gen_gvec_orc(unsigned vece, uint32_t dofs, uint32_t aofs,
     tcg_gen_gvec_3(dofs, aofs, bofs, oprsz, maxsz, &g);
 }
 
+static void tcg_gen_andi_vec(unsigned vece, TCGv_vec d, TCGv_vec a, int64_t b)
+{
+    TCGv_vec t = tcg_temp_new_vec_matching(d);
+    tcg_gen_dupi_vec(vece, t, b);
+    tcg_gen_and_vec(vece, d, a, t);
+    tcg_temp_free_vec(t);
+}
+
+void tcg_gen_gvec_andi(unsigned vece, uint32_t dofs, uint32_t aofs,
+                       int64_t c, uint32_t oprsz, uint32_t maxsz)
+{
+    static const GVecGen2i g = {
+        .fni8 = tcg_gen_andi_i64,
+        .fniv = tcg_gen_andi_vec,
+        .fnoi = gen_helper_gvec_andi,
+        .opc = INDEX_op_and_vec,
+        .prefer_i64 = TCG_TARGET_REG_BITS == 64,
+        .vece = MO_64
+    };
+    tcg_gen_gvec_2i(dofs, aofs, oprsz, maxsz, c, &g);
+}
+
+static void tcg_gen_xori_vec(unsigned vece, TCGv_vec d, TCGv_vec a, int64_t b)
+{
+    TCGv_vec t = tcg_temp_new_vec_matching(d);
+    tcg_gen_dupi_vec(vece, t, b);
+    tcg_gen_xor_vec(vece, d, a, t);
+    tcg_temp_free_vec(t);
+}
+
+void tcg_gen_gvec_xori(unsigned vece, uint32_t dofs, uint32_t aofs,
+                       int64_t c, uint32_t oprsz, uint32_t maxsz)
+{
+    static const GVecGen2i g = {
+        .fni8 = tcg_gen_xori_i64,
+        .fniv = tcg_gen_xori_vec,
+        .fnoi = gen_helper_gvec_xori,
+        .opc = INDEX_op_xor_vec,
+        .prefer_i64 = TCG_TARGET_REG_BITS == 64,
+        .vece = MO_64
+    };
+    tcg_gen_gvec_2i(dofs, aofs, oprsz, maxsz, c, &g);
+}
+
+static void tcg_gen_ori_vec(unsigned vece, TCGv_vec d, TCGv_vec a, int64_t b)
+{
+    TCGv_vec t = tcg_temp_new_vec_matching(d);
+    tcg_gen_dupi_vec(vece, t, b);
+    tcg_gen_or_vec(vece, d, a, t);
+    tcg_temp_free_vec(t);
+}
+
+void tcg_gen_gvec_ori(unsigned vece, uint32_t dofs, uint32_t aofs,
+                       int64_t c, uint32_t oprsz, uint32_t maxsz)
+{
+    static const GVecGen2i g = {
+        .fni8 = tcg_gen_ori_i64,
+        .fniv = tcg_gen_ori_vec,
+        .fnoi = gen_helper_gvec_ori,
+        .opc = INDEX_op_or_vec,
+        .prefer_i64 = TCG_TARGET_REG_BITS == 64,
+        .vece = MO_64
+    };
+    tcg_gen_gvec_2i(dofs, aofs, oprsz, maxsz, c, &g);
+}
+
 void tcg_gen_vec_shl8i_i64(TCGv_i64 d, TCGv_i64 a, int64_t c)
 {
     uint64_t mask = ((0xff << c) & 0xff) * (-1ull / 0xff);
