From: Akihiko Odaki <akihiko.odaki@daynix.com>
Clang does not allow specifying an integer as the value of a single
precision register. Explicitly move value from a general register.
Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
[rth: Use one single inline asm block.]
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
tests/tcg/arm/fcvt.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
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
--
2.34.1