add clobbers

Author: chorman0773

src/test/codegen/asm-target-clobbers.rs

@@ -6,6 +6,13 @@
 
 use std::arch::asm;
 
+// CHECK-LABEL: @avx512_clobber
+// base: call void asm sideeffect inteldialect "", "~{tmm0}"()
+#[no_mangle]
+pub unsafe fn amx_clobber() {
+    asm!("", out("tmm0") _, options(nostack, nomem, preserves_flags));
+}
+
 // CHECK-LABEL: @avx512_clobber
 // base: call void asm sideeffect inteldialect "", "~{xmm31}"()
 // avx512: call float asm sideeffect inteldialect "", "=&{xmm31}"()