diff --git a/libc/src/__support/RPC/rpc_util.h b/libc/src/__support/RPC/rpc_util.h
--- a/libc/src/__support/RPC/rpc_util.h
+++ b/libc/src/__support/RPC/rpc_util.h
@@ -12,8 +12,13 @@
 #include "src/__support/CPP/type_traits.h"
 #include "src/__support/GPU/utils.h"
 #include "src/__support/macros/attributes.h"
+#include "src/__support/macros/config.h"
 #include "src/__support/macros/properties/architectures.h"
 
+#ifdef LIBC_TARGET_ARCH_IS_X86
+#include <emmintrin.h>
+#endif
+
 namespace __llvm_libc {
 namespace rpc {
 
@@ -26,6 +31,8 @@
   LIBC_INLINE_ASM("nanosleep.u32 64;" ::: "memory");
 #elif defined(LIBC_TARGET_ARCH_IS_AMDGPU)
   __builtin_amdgcn_s_sleep(2);
+#elif defined(LIBC_TARGET_ARCH_IS_X86)
+  _mm_pause();
 #else
   // Simply do nothing if sleeping isn't supported on this platform.
 #endif