From 7e1257a84d02e9c71930379e5598c7a166eb684d Mon Sep 17 00:00:00 2001
From: Erin <erin@erindesu.cz>
Date: Wed, 26 Jul 2023 20:54:24 +0200
Subject: [PATCH] Nightly opts

---
 hbvm/Cargo.toml     | 1 +
 hbvm/src/lib.rs     | 3 +++
 hbvm/src/mem/bmc.rs | 1 +
 hbvm/src/mem/mod.rs | 1 +
 4 files changed, 6 insertions(+)

diff --git a/hbvm/Cargo.toml b/hbvm/Cargo.toml
index 87b74fa2..98d80517 100644
--- a/hbvm/Cargo.toml
+++ b/hbvm/Cargo.toml
@@ -9,6 +9,7 @@ lto = true
 [features]
 default = ["alloc"]
 alloc   = []
+nightly = []
 
 [dependencies]
 delegate          = "0.9"
diff --git a/hbvm/src/lib.rs b/hbvm/src/lib.rs
index e9a01e3d..8e07bb55 100644
--- a/hbvm/src/lib.rs
+++ b/hbvm/src/lib.rs
@@ -12,6 +12,8 @@
 
 #![no_std]
 
+#![cfg_attr(feature = "nightly", feature(fn_align))]
+
 #[cfg(feature = "alloc")]
 extern crate alloc;
 
@@ -90,6 +92,7 @@ impl<'a, PfHandler: HandlePageFault, const TIMER_QUOTIENT: usize>
     /// Execute program
     ///
     /// Program can return [`VmRunError`] if a trap handling failed
+    #[cfg_attr(feature = "nightly", repr(align(4096)))]
     pub fn run(&mut self) -> Result<VmRunOk, VmRunError> {
         use hbbytecode::opcode::*;
         loop {
diff --git a/hbvm/src/mem/bmc.rs b/hbvm/src/mem/bmc.rs
index 7c4551ae..35d282db 100644
--- a/hbvm/src/mem/bmc.rs
+++ b/hbvm/src/mem/bmc.rs
@@ -26,6 +26,7 @@ pub struct BlockCopier {
 }
 
 impl BlockCopier {
+    #[inline]
     pub fn new(src: u64, dst: u64, count: usize) -> Self {
         Self {
             src,
diff --git a/hbvm/src/mem/mod.rs b/hbvm/src/mem/mod.rs
index 1c230c2b..8ef07b3d 100644
--- a/hbvm/src/mem/mod.rs
+++ b/hbvm/src/mem/mod.rs
@@ -310,6 +310,7 @@ struct AddrPageLookuper {
 
 impl AddrPageLookuper {
     /// Create a new page lookuper
+    #[inline]
     pub const fn new(addr: u64, size: usize, pagetable: *const PageTable) -> Self {
         Self {
             addr,