diff --git a/src/util/rounding.h b/src/util/rounding.h
index f79671ba7dd..e5a2994d955 100644
--- a/src/util/rounding.h
+++ b/src/util/rounding.h
@@ -28,7 +28,9 @@
 #include <stdint.h>
 #include <math.h>
 
-#if defined(__SSE__) || (defined(_M_IX86_FP) && (_M_IX86_FP >= 1)) || (defined(_M_X64) && !defined(_M_ARM64EC))
+#include "util/detect_arch.h"
+
+#if defined(__SSE__) || (defined(_M_IX86_FP) && (_M_IX86_FP >= 1)) || DETECT_ARCH_X86_64
 #include <xmmintrin.h>
 #include <emmintrin.h>
 #endif
@@ -94,7 +96,7 @@ _mesa_roundeven(double x)
 static inline long
 _mesa_lroundevenf(float x)
 {
-#if defined(__SSE__) || (defined(_M_IX86_FP) && (_M_IX86_FP >= 1)) || (defined(_M_X64) && !defined(_M_ARM64EC))
+#if defined(__SSE__) || (defined(_M_IX86_FP) && (_M_IX86_FP >= 1)) || DETECT_ARCH_X86_64
 #if LONG_MAX == INT64_MAX
    return _mm_cvtss_si64(_mm_load_ss(&x));
 #elif LONG_MAX == INT32_MAX
@@ -114,7 +116,7 @@ _mesa_lroundevenf(float x)
 static inline long
 _mesa_lroundeven(double x)
 {
-#if defined(__SSE2__) || (defined(_M_IX86_FP) && (_M_IX86_FP >= 2)) || (defined(_M_X64) && !defined(_M_ARM64EC))
+#if defined(__SSE2__) || (defined(_M_IX86_FP) && (_M_IX86_FP >= 2)) || DETECT_ARCH_X86_64
 #if LONG_MAX == INT64_MAX
    return _mm_cvtsd_si64(_mm_load_sd(&x));
 #elif LONG_MAX == INT32_MAX