diff --git a/cranelift/codegen/meta/src/shared/instructions.rs b/cranelift/codegen/meta/src/shared/instructions.rs
index 2bb8d9a637..955782039d 100644
--- a/cranelift/codegen/meta/src/shared/instructions.rs
+++ b/cranelift/codegen/meta/src/shared/instructions.rs
@@ -2454,8 +2454,7 @@ pub(crate) fn define(
         Unsigned integer multiplication, producing the high half of a
         double-length result.
 
-        Polymorphic over all scalar integer types, but does not support vector
-        types.
+        Polymorphic over all integer types (vector and scalar).
         "#,
             &formats.binary,
         )
diff --git a/cranelift/filetests/filetests/runtests/simd-umulhi-aarch64.clif b/cranelift/filetests/filetests/runtests/simd-umulhi-aarch64.clif
deleted file mode 100644
index db94f2f648..0000000000
--- a/cranelift/filetests/filetests/runtests/simd-umulhi-aarch64.clif
+++ /dev/null
@@ -1,40 +0,0 @@
-test interpret
-test run
-target aarch64
-; x86_64 only supports `i16`, `i32`, and `i64`
-
-function %umulhi_i8(i8, i8) -> i8 {
-block0(v0: i8, v1: i8):
-    v2 = umulhi v0, v1
-    return v2
-}
-; run: %umulhi_i8(2, 4) == 0
-; run: %umulhi_i8(255, 255) == 254
-
-function %umulhi_i8x16(i8x16, i8x16) -> i8x16 {
-block0(v0: i8x16, v1: i8x16):
-    v2 = umulhi v0, v1
-    return v2
-}
-; run: %umulhi_i8x16([1 2 3 4 5 6 7 8 255 255 255 255 255 255 255 255], [9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 255]) == [0 0 0 0 0 0 0 0 16 17 18 19 20 21 22 254]
-
-function %umulhi_i16x8(i16x8, i16x8) -> i16x8 {
-block0(v0: i16x8, v1: i16x8):
-    v2 = umulhi v0, v1
-    return v2
-}
-; run: %umulhi_i16x8([1 2 255 255 255 255 65535 65535], [3 4 5 6 7 8 9 65535]) == [0 0 0 0 0 0 8 65534]
-
-function %umulhi_i32x4(i32x4, i32x4) -> i32x4 {
-block0(v0: i32x4, v1: i32x4):
-    v2 = umulhi v0, v1
-    return v2
-}
-; run: %umulhi_i32x4([1 255 65535 4294967295], [2 65535 4294967295 4294967295]) == [0 0 65534 4294967294]
-
-function %umulhi_i64x2(i64x2, i64x2) -> i64x2 {
-block0(v0: i64x2, v1: i64x2):
-    v2 = umulhi v0, v1
-    return v2
-}
-; run: %umulhi_i64x2([1 18446744073709551615], [2 18446744073709551615]) == [0 18446744073709551614]
\ No newline at end of file
diff --git a/cranelift/filetests/filetests/runtests/simd-umulhi.clif b/cranelift/filetests/filetests/runtests/simd-umulhi.clif
index fd643151ab..b383bf5082 100644
--- a/cranelift/filetests/filetests/runtests/simd-umulhi.clif
+++ b/cranelift/filetests/filetests/runtests/simd-umulhi.clif
@@ -1,29 +1,38 @@
 test interpret
-test run
-target aarch64
-set enable_simd
-target x86_64
+; x86_64 only supports `i16`, `i32`, and `i64`
 
-function %umulhi_i16(i16, i16) -> i16 {
-block0(v0: i16, v1: i16):
+function %umulhi_i8(i8, i8) -> i8 {
+block0(v0: i8, v1: i8):
     v2 = umulhi v0, v1
     return v2
 }
-; run: %umulhi_i16(2, 4) == 0
-; run: %umulhi_i16(65535, 65535) == 65534
+; run: %umulhi_i8(2, 4) == 0
+; run: %umulhi_i8(255, 255) == 254
 
-function %umulhi_i32(i32, i32) -> i32 {
-block0(v0: i32, v1: i32):
+function %umulhi_i8x16(i8x16, i8x16) -> i8x16 {
+block0(v0: i8x16, v1: i8x16):
     v2 = umulhi v0, v1
     return v2
 }
-; run: %umulhi_i32(500, 700) == 0
-; run: %umulhi_i32(4294967295, 4294967295) == 4294967294
+; run: %umulhi_i8x16([1 2 3 4 5 6 7 8 255 255 255 255 255 255 255 255], [9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 255]) == [0 0 0 0 0 0 0 0 16 17 18 19 20 21 22 254]
 
-function %umulhi_i64(i64, i64) -> i64 {
-block0(v0: i64, v1: i64):
+function %umulhi_i16x8(i16x8, i16x8) -> i16x8 {
+block0(v0: i16x8, v1: i16x8):
     v2 = umulhi v0, v1
     return v2
 }
-; run: %umulhi_i64(4294967295, 4294967295) == 0
-; run: %umulhi_i64(18446744073709551615, 18446744073709551615) == 18446744073709551614
+; run: %umulhi_i16x8([1 2 255 255 255 255 65535 65535], [3 4 5 6 7 8 9 65535]) == [0 0 0 0 0 0 8 65534]
+
+function %umulhi_i32x4(i32x4, i32x4) -> i32x4 {
+block0(v0: i32x4, v1: i32x4):
+    v2 = umulhi v0, v1
+    return v2
+}
+; run: %umulhi_i32x4([1 255 65535 4294967295], [2 65535 4294967295 4294967295]) == [0 0 65534 4294967294]
+
+function %umulhi_i64x2(i64x2, i64x2) -> i64x2 {
+block0(v0: i64x2, v1: i64x2):
+    v2 = umulhi v0, v1
+    return v2
+}
+; run: %umulhi_i64x2([1 18446744073709551615], [2 18446744073709551615]) == [0 18446744073709551614]
\ No newline at end of file
diff --git a/cranelift/filetests/filetests/runtests/umulhi.clif b/cranelift/filetests/filetests/runtests/umulhi.clif
new file mode 100644
index 0000000000..bb6b06bedd
--- /dev/null
+++ b/cranelift/filetests/filetests/runtests/umulhi.clif
@@ -0,0 +1,29 @@
+test interpret
+test run
+target aarch64
+set enable_simd
+target x86_64 machinst
+
+function %umulhi_i16(i16, i16) -> i16 {
+block0(v0: i16, v1: i16):
+    v2 = umulhi v0, v1
+    return v2
+}
+; run: %umulhi_i16(2, 4) == 0
+; run: %umulhi_i16(65535, 65535) == 65534
+
+function %umulhi_i32(i32, i32) -> i32 {
+block0(v0: i32, v1: i32):
+    v2 = umulhi v0, v1
+    return v2
+}
+; run: %umulhi_i32(500, 700) == 0
+; run: %umulhi_i32(4294967295, 4294967295) == 4294967294
+
+function %umulhi_i64(i64, i64) -> i64 {
+block0(v0: i64, v1: i64):
+    v2 = umulhi v0, v1
+    return v2
+}
+; run: %umulhi_i64(4294967295, 4294967295) == 0
+; run: %umulhi_i64(18446744073709551615, 18446744073709551615) == 18446744073709551614