diff --git a/libcpuid/asm-bits.c b/libcpuid/asm-bits.c
index bfabd40..6f8358a 100644
--- a/libcpuid/asm-bits.c
+++ b/libcpuid/asm-bits.c
@@ -180,6 +180,9 @@ void cpu_rdtsc(uint64_t* result)
 #ifdef PLATFORM_ARM
   low_part = 0;
   hi_part = 0;
+#elif defined(PLATFORM_AARCH64)
+  low_part = 0;
+  hi_part = 0;
 #else
 	__asm __volatile (
 		"	rdtsc\n"
@@ -213,6 +216,7 @@ void busy_sse_loop(int cycles)
 #	define XALIGN ".align 4\n"
 #endif
 #ifdef PLATFORM_ARM
+#elif defined(PLATFORM_AARCH64)
 #else
 	__asm __volatile (
 		"	xorps	%%xmm0,	%%xmm0\n"
diff --git a/libcpuid/asm-bits.h b/libcpuid/asm-bits.h
index 9049e2f..847871a 100644
--- a/libcpuid/asm-bits.h
+++ b/libcpuid/asm-bits.h
@@ -55,11 +55,15 @@
 #if !defined(PLATFORM_ARM)
 #	define PLATFORM_ARM
 #endif
+#elif defined(__aarch64__)
+#if !defined(PLATFORM_ARM)
+#	define PLATFORM_AARCH64
+#endif
 #endif
 
 /* Under Windows/AMD64 with MSVC, inline assembly isn't supported */
 #if (((defined(COMPILER_GCC) || defined(COMPILER_CLANG))) &&  \
-     (defined(PLATFORM_X64) || defined(PLATFORM_X86) || defined(PLATFORM_ARM))) || \
+     (defined(PLATFORM_X64) || defined(PLATFORM_X86) || defined(PLATFORM_ARM) || defined(PLATFORM_AARCH64))) || \
 	 (defined(COMPILER_MICROSOFT) && defined(PLATFORM_X86))
 #	define INLINE_ASM_SUPPORTED
 #endif