Alexandre Julliard : kernel32/tests: Add test for FPU control words on ARM64EC.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 5ae8bf3d93d7a7bc2134bee3c0e743b17e818399
URL:    https://gitlab.winehq.org/wine/wine/-/commit/5ae8bf3d93d7a7bc2134bee3c0e743b...

Author: Alexandre Julliard 
Date:   Thu Jun  6 11:09:31 2024 +0200

kernel32/tests: Add test for FPU control words on ARM64EC.

---

dlls/kernel32/tests/thread.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/dlls/kernel32/tests/thread.c b/dlls/kernel32/tests/thread.c
index 9925da32222..34a8f84d92c 100644
--- a/dlls/kernel32/tests/thread.c
+++ b/dlls/kernel32/tests/thread.c
@@ -1889,7 +1889,13 @@ struct fpu_thread_ctx

static inline unsigned long get_fpu_cw(void)
 {
-#if defined(__i386__) || defined(__x86_64__)
+#ifdef __arm64ec__
+    extern NTSTATUS (*__os_arm64x_get_x64_information)(ULONG,void*,void*);
+    unsigned int cw, sse;
+    __os_arm64x_get_x64_information( 0, &sse, NULL );
+    __os_arm64x_get_x64_information( 2, &cw, NULL );
+    return MAKELONG( cw, sse );
+#elif defined(__i386__) || defined(__x86_64__)
     WORD cw = 0;
     unsigned int sse = 0;
 #ifdef _MSC_VER