From 6ecfff267afdf0c79aa3695de1762079aeac5e13 Mon Sep 17 00:00:00 2001
From: Timo Kreuzer <timo.kreuzer@reactos.org>
Date: Sun, 15 Sep 2013 17:31:25 +0000
Subject: [PATCH] [DSOUND] Extend the lrint MSVC hack to support x64 as well
 See http://sourceforge.net/p/freeimage/discussion/36111/thread/b43c17c5

svn path=/trunk/; revision=60142
---
 reactos/dll/directx/dsound/dsound_convert.c | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/reactos/dll/directx/dsound/dsound_convert.c b/reactos/dll/directx/dsound/dsound_convert.c
index 5617a746879..1e8e25d2181 100644
--- a/reactos/dll/directx/dsound/dsound_convert.c
+++ b/reactos/dll/directx/dsound/dsound_convert.c
@@ -64,17 +64,26 @@ WINE_DEFAULT_DEBUG_CHANNEL(dsound);
 #endif
 
 /* This is an inlined version of lrintf. */
-#if defined(_M_IX86) && defined(_MSC_VER)
+#if defined(_MSC_VER)
+#if defined(_M_AMD64)
+#include <xmmintrin.h>
+#endif
+
 FORCEINLINE
 int
 lrintf(float f)
 {
+#if defined(_M_IX86)
     int result;
     __asm
     {
         fld f;
         fistp result;
     }
+    return result;
+#elif defined(_M_AMD64)
+    return _mm_cvtss_si32(_mm_load_ss(&f));
+#endif
 }
 #endif