diff options
| -rw-r--r-- | library/core/src/hint.rs | 19 |
1 files changed, 8 insertions, 11 deletions
diff --git a/library/core/src/hint.rs b/library/core/src/hint.rs index 20340d42962..764e2796202 100644 --- a/library/core/src/hint.rs +++ b/library/core/src/hint.rs @@ -160,19 +160,16 @@ pub const unsafe fn unreachable_unchecked() -> ! { #[inline] #[stable(feature = "renamed_spin_loop", since = "1.49.0")] pub fn spin_loop() { - #[cfg(all(any(target_arch = "x86", target_arch = "x86_64"), target_feature = "sse2"))] + #[cfg(target_arch = "x86")] { - #[cfg(target_arch = "x86")] - { - // SAFETY: the `cfg` attr ensures that we only execute this on x86 targets. - unsafe { crate::arch::x86::_mm_pause() }; - } + // SAFETY: the `cfg` attr ensures that we only execute this on x86 targets. + unsafe { crate::arch::x86::_mm_pause() }; + } - #[cfg(target_arch = "x86_64")] - { - // SAFETY: the `cfg` attr ensures that we only execute this on x86_64 targets. - unsafe { crate::arch::x86_64::_mm_pause() }; - } + #[cfg(target_arch = "x86_64")] + { + // SAFETY: the `cfg` attr ensures that we only execute this on x86_64 targets. + unsafe { crate::arch::x86_64::_mm_pause() }; } // RISC-V platform spin loop hint implementation |