From 667469650504f1c6342447baaf7fda43df3a9912 Mon Sep 17 00:00:00 2001
From: Quentin Boyer <quentin+dev@familleboyer.net>
Date: Thu, 5 Dec 2024 00:12:10 +0100
Subject: [PATCH] Allow to easily check the generated assembly

---
 flake.nix       | 3 ++-
 src/bin/day4.rs | 2 ++
 template.rs     | 3 +++
 3 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/flake.nix b/flake.nix
index 3a66fe3..4ace4c3 100644
--- a/flake.nix
+++ b/flake.nix
@@ -22,7 +22,7 @@
           inherit system;
           overlays = [ (import rust-overlay) ];
         };
-        rust = pkgs.rust-bin.stable.latest.default;
+        rust = pkgs.rust-bin.stable.latest.default.override { extensions = [ "rust-src" ]; };
         naersk' = pkgs.callPackage naersk {
           cargo = rust;
           rustc = rust;
@@ -38,6 +38,7 @@
             ++ (with pkgs; [
               hyperfine
               cargo-flamegraph
+              cargo-show-asm
             ]);
           RUST_PATH = "${rust}";
           RUST_DOC_PATH = "${rust}/share/doc/rust/html/std/index.html";
diff --git a/src/bin/day4.rs b/src/bin/day4.rs
index 9fa5852..f3ad513 100644
--- a/src/bin/day4.rs
+++ b/src/bin/day4.rs
@@ -43,6 +43,7 @@ fn rays<'a, T>(
         .map(|ray| ray.map(|(x, y)| &table[x][y]))
 }
 
+#[inline(never)]
 pub fn part1(input: Parsed) {
     let expected = b"XMAS";
     let mut ray_count = 0;
@@ -60,6 +61,7 @@ pub fn part1(input: Parsed) {
     print_res!("Word count: {ray_count}");
 }
 
+#[inline(never)]
 pub fn part2(input: Parsed) {
     let mut cross_count = 0;
     let expected = *b"MAS";
diff --git a/template.rs b/template.rs
index 8c16bbc..2db6eee 100644
--- a/template.rs
+++ b/template.rs
@@ -5,14 +5,17 @@ use bstr::BString;
 
 type Parsed = ();
 
+#[inline(never)]
 pub fn parsing(input: &BString) -> color_eyre::Result<Parsed> {
     todo!("Parsing")
 }
 
+#[inline(never)]
 pub fn part1(input: Parsed) {
     todo!("todo part1")
 }
 
+#[inline(never)]
 pub fn part2(input: Parsed) {
     todo!("todo part2")
 }