diff --git a/core/time/tsc_darwin.odin b/core/time/tsc_darwin.odin
index c82147b1d..6aaac350e 100644
--- a/core/time/tsc_darwin.odin
+++ b/core/time/tsc_darwin.odin
@@ -9,13 +9,15 @@ foreign libc {
 	@(link_name="sysctlbyname") _sysctlbyname    :: proc(path: cstring, oldp: rawptr, oldlenp: rawptr, newp: rawptr, newlen: int) -> c.int ---
 }
 
-_x86_get_tsc_frequency :: proc "contextless" () -> (u64, bool) {
-	tmp_freq : u64 = 0
-	tmp_size : i64 = size_of(tmp_freq)
-	ret := _sysctlbyname("machdep.tsc.frequency", &tmp_freq, &tmp_size, nil, 0)
-	if ret < 0 {
-		return 0, false
-	}
+when ODIN_ARCH == .amd64 {
+	_x86_get_tsc_frequency :: proc "contextless" () -> (u64, bool) {
+		tmp_freq : u64 = 0
+		tmp_size : i64 = size_of(tmp_freq)
+		ret := _sysctlbyname("machdep.tsc.frequency", &tmp_freq, &tmp_size, nil, 0)
+		if ret < 0 {
+			return 0, false
+		}
 
-	return tmp_freq, true
+		return tmp_freq, true
+	}
 }
diff --git a/core/time/tsc_linux.odin b/core/time/tsc_linux.odin
index 4e0209a38..e355bc5b5 100644
--- a/core/time/tsc_linux.odin
+++ b/core/time/tsc_linux.odin
@@ -5,31 +5,33 @@ package time
 import "core:intrinsics"
 import "core:sys/unix"
 
-_x86_get_tsc_frequency :: proc "contextless" () -> (u64, bool) {
-	perf_attr := unix.Perf_Event_Attr{}
-	perf_attr.type = u32(unix.Perf_Type_Id.Hardware)
-	perf_attr.config = u64(unix.Perf_Hardware_Id.Instructions)
-	perf_attr.size = size_of(perf_attr)
-	perf_attr.flags = {.Disabled, .Exclude_Kernel, .Exclude_HV}
-	fd := unix.sys_perf_event_open(&perf_attr, 0, -1, -1, 0)
-	if fd == -1 {
-		return 0, false
-	}
-	defer unix.sys_close(fd)
+when ODIN_ARCH == .amd64 {
+	_x86_get_tsc_frequency :: proc "contextless" () -> (u64, bool) {
+		perf_attr := unix.Perf_Event_Attr{}
+		perf_attr.type = u32(unix.Perf_Type_Id.Hardware)
+		perf_attr.config = u64(unix.Perf_Hardware_Id.Instructions)
+		perf_attr.size = size_of(perf_attr)
+		perf_attr.flags = {.Disabled, .Exclude_Kernel, .Exclude_HV}
+		fd := unix.sys_perf_event_open(&perf_attr, 0, -1, -1, 0)
+		if fd == -1 {
+			return 0, false
+		}
+		defer unix.sys_close(fd)
 
-	page_size : uint = 4096
-	ret := unix.sys_mmap(nil, page_size, unix.PROT_READ, unix.MAP_SHARED, fd, 0)
-	if ret < 0 && ret > -4096 {
-		return 0, false
-	}
-	addr := rawptr(uintptr(ret))
-	defer unix.sys_munmap(addr, page_size)
+		page_size : uint = 4096
+		ret := unix.sys_mmap(nil, page_size, unix.PROT_READ, unix.MAP_SHARED, fd, 0)
+		if ret < 0 && ret > -4096 {
+			return 0, false
+		}
+		addr := rawptr(uintptr(ret))
+		defer unix.sys_munmap(addr, page_size)
 
-	event_page := (^unix.Perf_Event_mmap_Page)(addr)
-	if .User_Time not_in event_page.cap.flags {
-		return 0, false
-	}
+		event_page := (^unix.Perf_Event_mmap_Page)(addr)
+		if .User_Time not_in event_page.cap.flags {
+			return 0, false
+		}
 
-	frequency := u64((u128(1_000_000_000) << u128(event_page.time_shift)) / u128(event_page.time_mult))
-	return frequency, true
+		frequency := u64((u128(1_000_000_000) << u128(event_page.time_shift)) / u128(event_page.time_mult))
+		return frequency, true
+	}
 }
diff --git a/core/time/tsc_windows.odin b/core/time/tsc_windows.odin
index 2eecf0cd6..761a3b1cd 100644
--- a/core/time/tsc_windows.odin
+++ b/core/time/tsc_windows.odin
@@ -5,20 +5,22 @@ package time
 import "core:intrinsics"
 import win32 "core:sys/windows"
 
-_x86_get_tsc_frequency :: proc "contextless" () -> (u64, bool) {
-	qpc_begin: win32.LARGE_INTEGER
-	win32.QueryPerformanceCounter(&qpc_begin)
-	tsc_begin := intrinsics.read_cycle_counter()
+when ODIN_ARCH == .amd64 {
+	_x86_get_tsc_frequency :: proc "contextless" () -> (u64, bool) {
+		qpc_begin: win32.LARGE_INTEGER
+		win32.QueryPerformanceCounter(&qpc_begin)
+		tsc_begin := intrinsics.read_cycle_counter()
 
-	win32.Sleep(2)
+		win32.Sleep(2)
 
-	qpc_end: win32.LARGE_INTEGER
-	win32.QueryPerformanceCounter(&qpc_end)
-	tsc_end := intrinsics.read_cycle_counter()
+		qpc_end: win32.LARGE_INTEGER
+		win32.QueryPerformanceCounter(&qpc_end)
+		tsc_end := intrinsics.read_cycle_counter()
 
-	qpc_frequency: win32.LARGE_INTEGER
-	win32.QueryPerformanceFrequency(&qpc_frequency)
+		qpc_frequency: win32.LARGE_INTEGER
+		win32.QueryPerformanceFrequency(&qpc_frequency)
 
-	frequency = u64((u128(tsc_end - tsc_begin) * u128(qpc_frequency)) / u128(qpc_end - qpc_begin))
-	return frequency, true
+		frequency = u64((u128(tsc_end - tsc_begin) * u128(qpc_frequency)) / u128(qpc_end - qpc_begin))
+		return frequency, true
+	}
 }