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Diffstat (limited to 'src/emu/video/rgbutil.h')
-rw-r--r--src/emu/video/rgbutil.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/emu/video/rgbutil.h b/src/emu/video/rgbutil.h
index e0b0915fb70..acf7abb8f82 100644
--- a/src/emu/video/rgbutil.h
+++ b/src/emu/video/rgbutil.h
@@ -13,7 +13,7 @@
#define MAME_EMU_VIDEO_RGBUTIL_H
// use SSE on 64-bit implementations, where it can be assumed
-#if (!defined(MAME_DEBUG) || defined(__OPTIMIZE__)) && (defined(__SSE2__) || (_M_IX86_FP >= 2))
+#if (!defined(MAME_DEBUG) || defined(__OPTIMIZE__)) && (defined(__SSE2__) || (defined(_M_IX86_FP) && (_M_IX86_FP >= 2)))
#define MAME_RGB_HIGH_PRECISION
#include "rgbsse.h"