From 873b03f6618f4718523cf370b39c75ec2f4020a8 Mon Sep 17 00:00:00 2001
From: Hendiadyoin1 <leon.a@serenityos.org>
Date: Mon, 15 Apr 2024 20:28:57 +0200
Subject: [PATCH] AK: Add generic SIMD vector load/store functions

(cherry picked from commit 27c386797df64b9c4dcbe6a27e57d9f54837e9b4)
---
 AK/SIMDExtras.h | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/AK/SIMDExtras.h b/AK/SIMDExtras.h
index 78116ef53ac..1d4865e9800 100644
--- a/AK/SIMDExtras.h
+++ b/AK/SIMDExtras.h
@@ -101,6 +101,21 @@ ALWAYS_INLINE static int maskcount(i32x4 mask)
 
 // Load / Store
 
+template<SIMDVector VectorType>
+ALWAYS_INLINE static VectorType load_unaligned(void const* a)
+{
+    VectorType v;
+    __builtin_memcpy(&v, a, sizeof(VectorType));
+    return v;
+}
+
+template<SIMDVector VectorType>
+ALWAYS_INLINE static void store_unaligned(void* a, VectorType const& v)
+{
+    // FIXME: Does this generate the right instructions?
+    __builtin_memcpy(a, &v, sizeof(VectorType));
+}
+
 ALWAYS_INLINE static f32x4 load4(float const* a, float const* b, float const* c, float const* d)
 {
     return f32x4 { *a, *b, *c, *d };