From 6e38076b48164ddebf4f83ac99a11ca9385b8e6e Mon Sep 17 00:00:00 2001
From: Idan Horowitz <idan.horowitz@gmail.com>
Date: Tue, 25 Jan 2022 23:41:26 +0200
Subject: [PATCH] AK: Use x86 specific fast path in fast_u32{fill, copy} on
 x86_64

---
 AK/Memory.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/AK/Memory.h b/AK/Memory.h
index 8b5546f729..a23ca5d219 100644
--- a/AK/Memory.h
+++ b/AK/Memory.h
@@ -17,7 +17,7 @@
 
 ALWAYS_INLINE void fast_u32_copy(u32* dest, const u32* src, size_t count)
 {
-#if ARCH(I386)
+#if ARCH(I386) || ARCH(X86_64)
     asm volatile(
         "rep movsl\n"
         : "+S"(src), "+D"(dest), "+c"(count)::"memory");
@@ -28,7 +28,7 @@ ALWAYS_INLINE void fast_u32_copy(u32* dest, const u32* src, size_t count)
 
 ALWAYS_INLINE void fast_u32_fill(u32* dest, u32 value, size_t count)
 {
-#if ARCH(I386)
+#if ARCH(I386) || ARCH(X86_64)
     asm volatile(
         "rep stosl\n"
         : "=D"(dest), "=c"(count)