On Tue, Jan 06, 2026 at 11:39:55AM +0100, Thomas Weißschuh wrote:
> Since LLVM commit 39e30508a7f6 ("[Driver][Sparc] Default to -mcpu=v9 for
> 32-bit Linux/sparc64 (#109278)"), clang defaults to -mcpu=v9 for 32-bit
> SPARC builds. -mcpu=v9 generates instructions which are not recognized
> by qemu-sparc and qemu-system-sparc.
>
> Explicitly enforce -mcpu=v8 to generate compatible code.
>
> Signed-off-by: Thomas Weißschuh <[email protected]>
> ---
> Changes in v2:
> - Use -mcpu=v8
> - Link to v1:
> https://patch.msgid.link/[email protected]
> ---
> tools/testing/selftests/nolibc/Makefile.nolibc | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/tools/testing/selftests/nolibc/Makefile.nolibc
> b/tools/testing/selftests/nolibc/Makefile.nolibc
> index b17ba2f8fb46..f5704193038f 100644
> --- a/tools/testing/selftests/nolibc/Makefile.nolibc
> +++ b/tools/testing/selftests/nolibc/Makefile.nolibc
> @@ -226,7 +226,7 @@ CFLAGS_mipsn32be = -EB -mabi=n32 -march=mips64r6
> CFLAGS_mips64le = -EL -mabi=64 -march=mips64r6
> CFLAGS_mips64be = -EB -mabi=64 -march=mips64r2
> CFLAGS_loongarch = $(if $(LLVM),-fuse-ld=lld)
> -CFLAGS_sparc32 = $(call cc-option,-m32)
> +CFLAGS_sparc32 = $(call cc-option,-m32) -mcpu=v8
> CFLAGS_sh4 = -ml -m4
> ifeq ($(origin XARCH),command line)
> CFLAGS_XARCH = $(CFLAGS_$(XARCH))
Thank you Thomas!
Acked-by: Willy Tarreau <[email protected]>
willy
