diff --git a/lib/clif-backend/src/module.rs b/lib/clif-backend/src/module.rs
index 14adb1547..91e14bf7c 100644
--- a/lib/clif-backend/src/module.rs
+++ b/lib/clif-backend/src/module.rs
@@ -107,6 +107,7 @@ impl From<Converter<ir::Type>> for Type {
             ir::types::I64 => Type::I64,
             ir::types::F32 => Type::F32,
             ir::types::F64 => Type::F64,
+            ir::types::I32X4 => Type::V128,
             _ => panic!("unsupported wasm type"),
         }
     }
@@ -119,6 +120,7 @@ impl From<Converter<Type>> for ir::Type {
             Type::I64 => ir::types::I64,
             Type::F32 => ir::types::F32,
             Type::F64 => ir::types::F64,
+            Type::V128 => ir::types::I32X4,
         }
     }
 }
@@ -130,6 +132,7 @@ impl From<Converter<Type>> for ir::AbiParam {
             Type::I64 => ir::AbiParam::new(ir::types::I64),
             Type::F32 => ir::AbiParam::new(ir::types::F32),
             Type::F64 => ir::AbiParam::new(ir::types::F64),
+            Type::V128 => ir::AbiParam::new(ir::types::I32X4),
         }
     }
 }
diff --git a/lib/clif-backend/src/trampoline.rs b/lib/clif-backend/src/trampoline.rs
index 09ee4cf74..f75ef5ad5 100644
--- a/lib/clif-backend/src/trampoline.rs
+++ b/lib/clif-backend/src/trampoline.rs
@@ -204,6 +204,7 @@ fn wasm_ty_to_clif(ty: Type) -> ir::types::Type {
         Type::I64 => ir::types::I64,
         Type::F32 => ir::types::F32,
         Type::F64 => ir::types::F64,
+        Type::V128 => ir::types::I32X4,
     }
 }
 
diff --git a/lib/runtime-core/src/global.rs b/lib/runtime-core/src/global.rs
index ac485cc4f..16a75d6a7 100644
--- a/lib/runtime-core/src/global.rs
+++ b/lib/runtime-core/src/global.rs
@@ -50,6 +50,7 @@ impl Global {
                 Value::I64(x) => x as u64,
                 Value::F32(x) => x.to_bits() as u64,
                 Value::F64(x) => x.to_bits(),
+                Value::V128(_) => unimplemented!(),
             },
         };
 
@@ -79,6 +80,7 @@ impl Global {
                         Value::I64(x) => x as u64,
                         Value::F32(x) => x.to_bits() as u64,
                         Value::F64(x) => x.to_bits(),
+                        Value::V128(_) => unimplemented!(),
                     },
                 };
                 *self.storage.borrow_mut() = local_global;
@@ -99,6 +101,7 @@ impl Global {
             Type::I64 => Value::I64(data as i64),
             Type::F32 => Value::F32(f32::from_bits(data as u32)),
             Type::F64 => Value::F64(f64::from_bits(data)),
+            Type::V128 => unimplemented!(),
         }
     }
 
diff --git a/lib/runtime-core/src/instance.rs b/lib/runtime-core/src/instance.rs
index cf09b48e7..d2a6c04e4 100644
--- a/lib/runtime-core/src/instance.rs
+++ b/lib/runtime-core/src/instance.rs
@@ -551,6 +551,7 @@ fn call_func_with_index(
             Value::I64(i) => *i as u64,
             Value::F32(f) => f.to_bits() as u64,
             Value::F64(f) => f.to_bits(),
+            Value::V128(_) => unimplemented!(),
         })
         .collect();
 
@@ -595,6 +596,7 @@ fn call_func_with_index(
         Type::I64 => Value::I64(raw as i64),
         Type::F32 => Value::F32(f32::from_bits(raw as u32)),
         Type::F64 => Value::F64(f64::from_bits(raw)),
+        Type::V128 => unimplemented!(),
     };
 
     match signature.returns() {
diff --git a/lib/runtime-core/src/parse.rs b/lib/runtime-core/src/parse.rs
index 9f911f036..0f365ac2e 100644
--- a/lib/runtime-core/src/parse.rs
+++ b/lib/runtime-core/src/parse.rs
@@ -380,12 +380,7 @@ pub fn wp_type_to_type(ty: WpType) -> Result<Type, BinaryReaderError> {
         WpType::I64 => Type::I64,
         WpType::F32 => Type::F32,
         WpType::F64 => Type::F64,
-        WpType::V128 => {
-            return Err(BinaryReaderError {
-                message: "the wasmer llvm backend does not yet support the simd extension",
-                offset: -1isize as usize,
-            });
-        }
+        WpType::V128 => Type::V128,
         _ => panic!("broken invariant, invalid type"),
     })
 }
@@ -396,6 +391,7 @@ pub fn type_to_wp_type(ty: Type) -> WpType {
         Type::I64 => WpType::I64,
         Type::F32 => WpType::F32,
         Type::F64 => WpType::F64,
+        Type::V128 => WpType::V128,
     }
 }
 
diff --git a/lib/runtime-core/src/types.rs b/lib/runtime-core/src/types.rs
index 0c8f08d1a..ac3df0343 100644
--- a/lib/runtime-core/src/types.rs
+++ b/lib/runtime-core/src/types.rs
@@ -12,6 +12,8 @@ pub enum Type {
     F32,
     /// The `f64` type.
     F64,
+    /// The `v128` type.
+    V128,
 }
 
 impl std::fmt::Display for Type {
@@ -34,6 +36,8 @@ pub enum Value {
     F32(f32),
     /// The `f64` type.
     F64(f64),
+    /// The `v128` type.
+    V128(u128),
 }
 
 impl Value {
@@ -43,6 +47,7 @@ impl Value {
             Value::I64(_) => Type::I64,
             Value::F32(_) => Type::F32,
             Value::F64(_) => Type::F64,
+            Value::V128(_) => Type::V128,
         }
     }
 
@@ -52,6 +57,7 @@ impl Value {
             Value::I64(x) => x as u64,
             Value::F32(x) => f32::to_bits(x) as u64,
             Value::F64(x) => f64::to_bits(x),
+            Value::V128(_) => unimplemented!(),
         }
     }
 }
@@ -80,6 +86,12 @@ impl From<f64> for Value {
     }
 }
 
+impl From<u128> for Value {
+    fn from(v: u128) -> Self {
+        Value::V128(v)
+    }
+}
+
 pub unsafe trait NativeWasmType: Copy + Into<Value>
 where
     Self: Sized,