Re: [PATCH] tests/tcg/s390x: Use a different PCRel32 notation in branch-relative-long.c

[Thomas Huth <thuth@redhat.com>]

On 02/05/2022 18.48, Ilya Leoshkevich wrote:
> Binutils >=2.37 and Clang do not accept (. - 0x100000000) PCRel32
> constants. While this looks like a bug that needs fixing, use a
> different notation (-0x100000000) as a workaround.
> 
> Reported-by: Thomas Huth <thuth@redhat.com>
> Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
> ---
>   tests/tcg/s390x/branch-relative-long.c | 4 ++--
>   1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/tests/tcg/s390x/branch-relative-long.c b/tests/tcg/s390x/branch-relative-long.c
> index 94219afcad..8ce9f1c2e5 100644
> --- a/tests/tcg/s390x/branch-relative-long.c
> +++ b/tests/tcg/s390x/branch-relative-long.c
> @@ -13,8 +13,8 @@
>           #_name "_end:\n");
>   
>   DEFINE_ASM(br_r14, "br %r14");
> -DEFINE_ASM(brasl_r0, "brasl %r0,.-0x100000000");
> -DEFINE_ASM(brcl_0xf, "brcl 0xf,.-0x100000000");
> +DEFINE_ASM(brasl_r0, "brasl %r0,-0x100000000");
> +DEFINE_ASM(brcl_0xf, "brcl 0xf,-0x100000000");

Works for me, thanks!

Tested-by: Thomas Huth <thuth@redhat.com>

and queued to my s390x-next branch:

  https://gitlab.com/thuth/qemu/-/commits/s390x-next/

  Thomas