diff --git a/sse2neon.h b/sse2neon.h
index 6a8a3773..50597cd0 100644
--- a/sse2neon.h
+++ b/sse2neon.h
@@ -2458,7 +2458,7 @@ FORCE_INLINE __m128 _mm_set_ps1(float _w)
 // the following flags: _MM_ROUND_NEAREST, _MM_ROUND_DOWN, _MM_ROUND_UP,
 // _MM_ROUND_TOWARD_ZERO
 // https://www.intel.com/content/www/us/en/docs/intrinsics-guide/index.html#text=_MM_SET_ROUNDING_MODE
-FORCE_INLINE void _MM_SET_ROUNDING_MODE(int rounding)
+FORCE_INLINE_OPTNONE void _MM_SET_ROUNDING_MODE(int rounding)
 {
     union {
         fpcr_bitfield field;
@@ -2520,7 +2520,7 @@ FORCE_INLINE __m128 _mm_set1_ps(float _w)
 // integer a.
 // https://www.intel.com/content/www/us/en/docs/intrinsics-guide/index.html#text=_mm_setcsr
 // FIXME: _mm_setcsr() implementation supports changing the rounding mode only.
-FORCE_INLINE void _mm_setcsr(unsigned int a)
+FORCE_INLINE_OPTNONE void _mm_setcsr(unsigned int a)
 {
     _MM_SET_ROUNDING_MODE(a);
 }
@@ -9258,7 +9258,7 @@ FORCE_INLINE int64_t _mm_popcnt_u64(uint64_t a)
 #endif
 }
 
-FORCE_INLINE void _sse2neon_mm_set_denormals_zero_mode(unsigned int flag)
+FORCE_INLINE_OPTNONE void _sse2neon_mm_set_denormals_zero_mode(unsigned int flag)
 {
     // AArch32 Advanced SIMD arithmetic always uses the Flush-to-zero setting,
     // regardless of the value of the FZ bit.