From b838e58d63c817aef365e023d2865033bcad0ac4 Mon Sep 17 00:00:00 2001
From: bunnei <bunneidev@gmail.com>
Date: Tue, 31 Mar 2020 14:15:43 -0400
Subject: [PATCH] common: alignment: Add a helper function for generic
 alignment checking.

---
 src/common/alignment.h | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/common/alignment.h b/src/common/alignment.h
index cdd4833f81..f8c49e0797 100644
--- a/src/common/alignment.h
+++ b/src/common/alignment.h
@@ -38,6 +38,13 @@ constexpr bool IsWordAligned(T value) {
     return (value & 0b11) == 0;
 }
 
+template <typename T>
+constexpr bool IsAligned(T value, std::size_t alignment) {
+    using U = typename std::make_unsigned<T>::type;
+    const U mask = static_cast<U>(alignment - 1);
+    return (value & mask) == 0;
+}
+
 template <typename T, std::size_t Align = 16>
 class AlignmentAllocator {
 public: