Add hardware floating point features to aarch64-pc-windows-msvc

Author: mattico

src/librustc_target/spec/aarch64_pc_windows_msvc.rs

@@ -4,6 +4,7 @@ pub fn target() -> TargetResult {
     let mut base = super::windows_msvc_base::opts();
     base.max_atomic_width = Some(64);
     base.has_elf_tls = true;
+    base.features = "+neon,+fp-armv8".to_string();
 
     // FIXME: this shouldn't be panic=abort, it should be panic=unwind
     base.panic_strategy = PanicStrategy::Abort;