Messages in this thread | | | From | Masahiro Yamada <> | Date | Sat, 19 Jun 2021 09:40:55 +0900 | Subject | Re: [PATCH] scripts/min-tool-version.sh: Raise minimum clang version to 13.0.0 for s390 |
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On Fri, Jun 18, 2021 at 5:42 PM Heiko Carstens <hca@linux.ibm.com> wrote: > > On Thu, Jun 17, 2021 at 12:31:40PM -0700, Nathan Chancellor wrote: > > clang versions prior to the current development version of 13.0.0 cannot > > compile s390 after commit 3abbdfde5a65 ("s390/bitops: use register pair > > instead of register asm") and the s390 maintainers do not intend to work > > around this in the kernel. Codify this in scripts/min-tool-version.sh > > similar to arm64 with GCC 5.1.0 so that there are no reports of broken > > builds. > > > > Reported-by: Naresh Kamboju <naresh.kamboju@linaro.org> > > Signed-off-by: Nathan Chancellor <nathan@kernel.org> > > --- > > > > This should probably go through the s390 tree with Masahiro's ack.
Acked-by: Masahiro Yamada <masahiroy@kernel.org>
> Thank's a lot! > > I'll add the below text to the commit message, and apply it internally > first: > > [hca@linux.ibm.com: breaking compatibility with older clang compilers > is intended to finally make use of a feature which allows the > compiler to allocate even/odd register pairs. This is possible since > a very long time with gcc, but only since llvm-project commit > d058262b1471 ("[SystemZ] Support i128 inline asm operands.") with > clang. Using that feature allows to get rid of error prone register > asm statements, of which the above named kernel commit is only the > first of a larger not yet complete series] > > -- > You received this message because you are subscribed to the Google Groups "Clang Built Linux" group. > To unsubscribe from this group and stop receiving emails from it, send an email to clang-built-linux+unsubscribe@googlegroups.com. > To view this discussion on the web visit https://groups.google.com/d/msgid/clang-built-linux/YMxcdv/1taBevSjP%40osiris.
-- Best Regards Masahiro Yamada
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