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-rw-r--r--tests/tcg/arm/fcvt.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/tests/tcg/arm/fcvt.c b/tests/tcg/arm/fcvt.c
index 157790e679..d8c61cd29f 100644
--- a/tests/tcg/arm/fcvt.c
+++ b/tests/tcg/arm/fcvt.c
@@ -355,7 +355,12 @@ static void convert_half_to_single(void)
print_half_number(i, input);
#if defined(__arm__)
- asm("vcvtb.f32.f16 %0, %1" : "=w" (output) : "x" ((uint32_t)input));
+ /*
+ * Clang refuses to allocate an integer to a fp register.
+ * Perform the move from a general register by hand.
+ */
+ asm("vmov %0, %1\n\t"
+ "vcvtb.f32.f16 %0, %0" : "=w" (output) : "r" (input));
#else
asm("fcvt %s0, %h1" : "=w" (output) : "w" (input));
#endif