Re: [PATCH v2 12/12] tests/tcg/s390x: Test unaligned accesses

[Thomas Huth]

On 13/03/2023 16.38, Ilya Leoshkevich wrote:
> Add a number of small test that check whether accessing unaligned
> addresses in various ways leads to a specification exception.
>
> Run these test both in softmmu and user configurations; expect a PGM
> in one case and SIGILL in the other.
>
> Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
> ---
...
> diff --git a/tests/tcg/s390x/ex-odd.S b/tests/tcg/s390x/ex-odd.S
> new file mode 100644
> index 00000000000..0427c79d8a4
> --- /dev/null
> +++ b/tests/tcg/s390x/ex-odd.S
> @@ -0,0 +1,17 @@
> +/*
> + * Test EXECUTEing a non-mapped odd address.
> + *
> + * SPDX-License-Identifier: GPL-2.0-or-later
> + */
> +#include "asm-const.h"
> +
> +#define CODE                                                                   
> \
> +    stringify_in_c(    lgrl %r1,odd_addr;)                                     
> \
> +    stringify_in_c(expected_old_pswa:;)                                        
> \
> +    stringify_in_c(    ex 0,%r1;)

This fails to compile with Clang 15:

$ make check-tcg
  BUILD   s390x-softmmu guest-tests
tests/tcg/s390x/pgm-specification.inc:21:49: error: unknown token in expression
    lgrl %r1,odd_addr; expected_old_pswa:; ex 0,%r1;
                                                ^
 Thomas