diff --git a/README.md b/README.md
index 9a847da3f..b8f1b209d 100644
--- a/README.md
+++ b/README.md
@@ -150,8 +150,8 @@ rely on CI.
 - [ ] arm/udivmodsi4.S (generic version is done)
 - [ ] arm/udivsi3.S (generic version is done)
 - [ ] arm/umodsi3.S (generic version is done)
-- [ ] arm/unorddf2vfp.S
-- [ ] arm/unordsf2vfp.S
+- [x] arm/unorddf2vfp.S (generic version is done)
+- [x] arm/unordsf2vfp.S (generic version is done)
 - [x] ashldi3.c
 - [x] ashrdi3.c
 - [x] comparedf2.c
diff --git a/src/float/cmp.rs b/src/float/cmp.rs
index 5c431304c..1f08f9405 100644
--- a/src/float/cmp.rs
+++ b/src/float/cmp.rs
@@ -115,6 +115,11 @@ intrinsics! {
         unord(a, b) as i32
     }
 
+    #[avr_skip]
+    pub extern "C" fn __unordsf2vfp(a: f32, b: f32) -> i32 {
+        unord(a, b) as i32
+    }
+
     #[avr_skip]
     pub extern "C" fn __eqsf2(a: f32, b: f32) -> i32 {
         cmp(a, b).to_le_abi()
@@ -151,6 +156,11 @@ intrinsics! {
         unord(a, b) as i32
     }
 
+    #[avr_skip]
+    pub extern "C" fn __unorddf2vfp(a: f64, b: f64) -> i32 {
+        unord(a, b) as i32
+    }
+
     #[avr_skip]
     pub extern "C" fn __eqdf2(a: f64, b: f64) -> i32 {
         cmp(a, b).to_le_abi()
diff --git a/testcrate/tests/cmp.rs b/testcrate/tests/cmp.rs
index e8a0eb165..ba355e30e 100644
--- a/testcrate/tests/cmp.rs
+++ b/testcrate/tests/cmp.rs
@@ -58,11 +58,12 @@ mod float_comparisons {
     #[test]
     fn cmp_f32() {
         use compiler_builtins::float::cmp::{
-            __eqsf2, __gesf2, __gtsf2, __lesf2, __ltsf2, __nesf2, __unordsf2,
+            __eqsf2, __gesf2, __gtsf2, __lesf2, __ltsf2, __nesf2, __unordsf2, __unordsf2vfp,
         };
 
         fuzz_float_2(N, |x: f32, y: f32| {
             assert_eq!(__unordsf2(x, y) != 0, x.is_nan() || y.is_nan());
+            assert_eq!(__unordsf2vfp(x, y) != 0, x.is_nan() || y.is_nan());
             cmp!(f32, x, y, Single, all(),
                 1, __ltsf2;
                 1, __lesf2;
@@ -77,11 +78,12 @@ mod float_comparisons {
     #[test]
     fn cmp_f64() {
         use compiler_builtins::float::cmp::{
-            __eqdf2, __gedf2, __gtdf2, __ledf2, __ltdf2, __nedf2, __unorddf2,
+            __eqdf2, __gedf2, __gtdf2, __ledf2, __ltdf2, __nedf2, __unorddf2, __unorddf2vfp,
         };
 
         fuzz_float_2(N, |x: f64, y: f64| {
             assert_eq!(__unorddf2(x, y) != 0, x.is_nan() || y.is_nan());
+            assert_eq!(__unorddf2vfp(x, y) != 0, x.is_nan() || y.is_nan());
             cmp!(f64, x, y, Double, all(),
                 1, __ltdf2;
                 1, __ledf2;