clang version 18.1.6 does not support x constraint for AArch64.
Use w instead.

Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
---
 tests/tcg/arm/fcvt.c | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/tests/tcg/arm/fcvt.c b/tests/tcg/arm/fcvt.c
index 05a27b2d0710..157790e67961 100644
--- a/tests/tcg/arm/fcvt.c
+++ b/tests/tcg/arm/fcvt.c
@@ -126,7 +126,7 @@ static void convert_single_to_half(void)
         asm("vcvtb.f16.f32 %0, %1" : "=t" (output) : "x" (input));
 #else
         uint16_t output;
-        asm("fcvt %h0, %s1" : "=w" (output) : "x" (input));
+        asm("fcvt %h0, %s1" : "=w" (output) : "w" (input));
 #endif
         print_half_number(i, output);
     }
@@ -149,7 +149,7 @@ static void convert_single_to_double(void)
 #if defined(__arm__)
         asm("vcvt.f64.f32 %P0, %1" : "=w" (output) : "t" (input));
 #else
-        asm("fcvt %d0, %s1" : "=w" (output) : "x" (input));
+        asm("fcvt %d0, %s1" : "=w" (output) : "w" (input));
 #endif
         print_double_number(i, output);
     }
@@ -244,7 +244,7 @@ static void convert_double_to_half(void)
         /* asm("vcvtb.f16.f64 %0, %P1" : "=t" (output) : "x" (input)); */
         output = input;
 #else
-        asm("fcvt %h0, %d1" : "=w" (output) : "x" (input));
+        asm("fcvt %h0, %d1" : "=w" (output) : "w" (input));
 #endif
         print_half_number(i, output);
     }
@@ -267,7 +267,7 @@ static void convert_double_to_single(void)
 #if defined(__arm__)
         asm("vcvt.f32.f64 %0, %P1" : "=w" (output) : "x" (input));
 #else
-        asm("fcvt %s0, %d1" : "=w" (output) : "x" (input));
+        asm("fcvt %s0, %d1" : "=w" (output) : "w" (input));
 #endif
 
         print_single_number(i, output);
@@ -335,7 +335,7 @@ static void convert_half_to_double(void)
         /* asm("vcvtb.f64.f16 %P0, %1" : "=w" (output) : "t" (input)); */
         output = input;
 #else
-        asm("fcvt %d0, %h1" : "=w" (output) : "x" (input));
+        asm("fcvt %d0, %h1" : "=w" (output) : "w" (input));
 #endif
         print_double_number(i, output);
     }
@@ -357,7 +357,7 @@ static void convert_half_to_single(void)
 #if defined(__arm__)
         asm("vcvtb.f32.f16 %0, %1" : "=w" (output) : "x" ((uint32_t)input));
 #else
-        asm("fcvt %s0, %h1" : "=w" (output) : "x" (input));
+        asm("fcvt %s0, %h1" : "=w" (output) : "w" (input));
 #endif
         print_single_number(i, output);
     }
@@ -380,7 +380,7 @@ static void convert_half_to_integer(void)
         /* asm("vcvt.s32.f16 %0, %1" : "=t" (output) : "t" (input)); v8.2*/
         output = input;
 #else
-        asm("fcvt %s0, %h1" : "=w" (output) : "x" (input));
+        asm("fcvt %s0, %h1" : "=w" (output) : "w" (input));
 #endif
         print_int64(i, output);
     }

-- 
2.45.2