From 9beb0e90b412d226033b4dd2f65a356ce7072c89 Mon Sep 17 00:00:00 2001
From: Yonggang Luo <luoyonggang@gmail.com>
Date: Wed, 13 Aug 2025 01:57:56 +0800
Subject: [PATCH] util: Update DETECT_ARCH_X86_64 to exclude _M_ARM64EC

Signed-off-by: Yonggang Luo <luoyonggang@gmail.com>
Reviewed-by: Jesse Natalie <jenatali@microsoft.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/36744>
---
 src/util/detect_arch.h | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/util/detect_arch.h b/src/util/detect_arch.h
index 166c4aea1d1..8fa4bded62a 100644
--- a/src/util/detect_arch.h
+++ b/src/util/detect_arch.h
@@ -58,7 +58,9 @@
 #define DETECT_ARCH_X86 1
 #endif
 
-#if defined(__x86_64__) /* gcc */ || defined(_M_X64) /* msvc */ || defined(_M_AMD64) /* msvc */ || defined(__x86_64) /* Sun cc */
+#if defined(__x86_64__) /* gcc */ || \
+    ((defined(_M_X64) || defined(_M_AMD64)) && !defined(_M_ARM64EC)) /* msvc */ || \
+    defined(__x86_64) /* Sun cc */
 #define DETECT_ARCH_X86_64 1
 #endif