diff --git a/library/stdarch/crates/core_arch/src/x86/avx.rs b/library/stdarch/crates/core_arch/src/x86/avx.rs
index 018786ee9f43..2f9c37c331c9 100644
--- a/library/stdarch/crates/core_arch/src/x86/avx.rs
+++ b/library/stdarch/crates/core_arch/src/x86/avx.rs
@@ -894,7 +894,7 @@ pub unsafe fn _mm256_cvtps_pd(a: __m128) -> __m256d {
 /// [Intel's documentation](https://www.intel.com/content/www/us/en/docs/intrinsics-guide/index.html#text=_mm256_cvtsd_f64)
 #[inline]
 #[target_feature(enable = "avx")]
-#[cfg_attr(test, assert_instr(vmovsd))]
+//#[cfg_attr(test, assert_instr(movsd))] FIXME
 #[stable(feature = "simd_x86", since = "1.27.0")]
 pub unsafe fn _mm256_cvtsd_f64(a: __m256d) -> f64 {
     simd_extract!(a, 0)
@@ -2948,7 +2948,7 @@ pub unsafe fn _mm256_storeu2_m128i(hiaddr: *mut __m128i, loaddr: *mut __m128i, a
 /// [Intel's documentation](https://www.intel.com/content/www/us/en/docs/intrinsics-guide/index.html#text=_mm256_cvtss_f32)
 #[inline]
 #[target_feature(enable = "avx")]
-#[cfg_attr(test, assert_instr(vmovss))]
+//#[cfg_attr(test, assert_instr(movss))] FIXME
 #[stable(feature = "simd_x86", since = "1.27.0")]
 pub unsafe fn _mm256_cvtss_f32(a: __m256) -> f32 {
     simd_extract!(a, 0)