diff --git a/Jenkinsfile b/Jenkinsfile
index ed6cd76..c54953e 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -40,8 +40,8 @@ pipeline {
                 // can cause `stack-overflow` error when testing stack-intensive code.
                 // For this reason, we need to increase the default size of stack to `8 MiB`.
                 // TODO: delete `--skip test_examples_asmgen`
-                sh "RUST_MIN_STACK=8388608 cargo test -- --skip test_examples_asmgen --skip test_examples_end_to_end"
-                sh "RUST_MIN_STACK=8388608 cargo test --release -- --skip test_examples_asmgen --skip test_examples_end_to_end"
+                sh "RUST_MIN_STACK=8388608 cargo test -- --skip test_examples_asmgen"
+                sh "RUST_MIN_STACK=8388608 cargo test --release -- --skip test_examples_asmgen"
             }
         }
     }
diff --git a/src/asm/mod.rs b/src/asm/mod.rs
index 67fb735..778cd76 100644
--- a/src/asm/mod.rs
+++ b/src/asm/mod.rs
@@ -79,6 +79,8 @@ impl Block {
 /// https://github.com/rv8-io/rv8-io.github.io/blob/master/asm.md#assembler-directives
 #[derive(Debug, Clone, PartialEq)]
 pub enum Directive {
+    /// .align integer
+    Align(usize),
     /// .globl symbol
     Globl(Label),
     /// .section section_type
diff --git a/src/asm/write_asm.rs b/src/asm/write_asm.rs
index 4e97fde..73c4e22 100644
--- a/src/asm/write_asm.rs
+++ b/src/asm/write_asm.rs
@@ -77,6 +77,7 @@ impl WriteLine for Block {
 impl WriteString for Directive {
     fn write_string(&self) -> String {
         match self {
+            Self::Align(value) => format!(".align\t{}", value),
             Self::Globl(label) => format!(".globl\t{}", label.0),
             Self::Type(symbol, symbol_type) => {
                 format!(".type\t{}, {}", symbol.0, symbol_type.write_string())
@@ -381,7 +382,7 @@ impl WriteString for UType {
 impl WriteString for Pseudo {
     fn write_string(&self) -> String {
         match self {
-            Self::Li { rd, imm } => format!("li\t{},{:#x?}", rd.write_string(), imm),
+            Self::Li { rd, imm } => format!("li\t{},{}", rd.write_string(), *imm as i64),
             Self::Mv { rd, rs } => format!("mv\t{},{}", rd.write_string(), rs.write_string()),
             Self::Neg { data_size, rd, rs } => format!(
                 "neg{}\t{},{}",
@@ -412,7 +413,7 @@ impl WriteString for Pseudo {
 impl WriteString for Immediate {
     fn write_string(&self) -> String {
         match self {
-            Self::Value(value) => format!("{:#x?}", value),
+            Self::Value(value) => format!("{}", *value as i64),
             Self::Relocation { relocation, symbol } => {
                 format!("{}({})", relocation.write_string(), symbol.0)
             }