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| author | Akihiko Odaki <akihiko.odaki@daynix.com> | 2024-07-05 09:40:23 +0100 |
|---|---|---|
| committer | Alex Bennée <alex.bennee@linaro.org> | 2024-07-05 12:34:29 +0100 |
| commit | 1e7c9ba4a24d97dfeb59de2c0ac158c749945abc (patch) | |
| tree | b56cc8a5f5566667266ce72bbecc4db2d0df6ff1 /tests | |
| parent | 40126a16bddb85fb2f6300be5a919789ccf4d66f (diff) | |
| download | qemu-1e7c9ba4a24d97dfeb59de2c0ac158c749945abc.zip qemu-1e7c9ba4a24d97dfeb59de2c0ac158c749945abc.tar.gz qemu-1e7c9ba4a24d97dfeb59de2c0ac158c749945abc.tar.bz2 | |
tests/tcg/arm: Manually register allocate half-precision numbers
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>
Reviewed-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Message-Id: <20240630190050.160642-12-richard.henderson@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20240705084047.857176-17-alex.bennee@linaro.org>
Diffstat (limited to 'tests')
| -rw-r--r-- | tests/tcg/arm/fcvt.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/tests/tcg/arm/fcvt.c b/tests/tcg/arm/fcvt.c index 157790e..d8c61cd 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 |