Re: gcc -menable-experimental-extensions ?
On Wed, Jul 6, 2022 at 1:06 PM Bo YU <tsu.yubo@gmail.com> wrote:
>
> Hi,
> On Wed, Jul 06, 2022 at 12:11:08PM +0200, Mathieu Malaterre wrote:
> >Hi !
> >
> >Technically to take full advantage of one library on riscv-64, I would
> >need support for -march=rv64gcv1p0 -menable-experimental-extensions in
> >clang...which as far I can see is not the case yet
> >(Debian/sid/riscv64).
>
> Understood. It seem that the library is compiled by
> `-menable-experimental-extensions` options with clang firstly.
> But I am not sure clang will support the options in Debian now.
>
> The clang on riscv64 Debian is:
>
> Debian clang version 13.0.1-6
>
> >
> >Is the above correct ? Maybe this is just a minor issue with clang,
> >but I was not sure what was the riscv64 baseline definition on Debian:
> >
>
> This is from my real riscv64 hardware(Unmatched board) running on Debian sid:
>
> ```
> Target: riscv64-linux-gnu
> Configured with: ../src/configure -v --with-pkgversion='Debian 11.3.0-4' --with-bugurl=file:///usr/share/doc/gcc-11/README.Bugs --enable-languages=c,ada,c++,go,d,fortran,objc,obj-c++,m2 --prefix=/usr --with-gcc-major-version-only --program-suffix=-11 --program-prefix=riscv64-linux-gnu- --enable-shared --enable-linker-build-id --libexecdir=/usr/lib --without-included-gettext --enable-threads=posix --libdir=/usr/lib --enable-nls --enable-clocale=gnu --enable-libstdcxx-debug --enable-libstdcxx-time=yes --with-default-libstdcxx-abi=new --enable-gnu-unique-object --disable-libitm --disable-libquadmath --disable-libquadmath-support --enable-plugin --enable-default-pie --with-system-zlib --enable-libphobos-checking=release --with-target-system-zlib=auto --enable-objc-gc=auto --enable-multiarch --disable-werror --disable-multilib --with-arch=rv64gc --with-abi=lp64d --enable-checking=release --build=riscv64-linux-gnu --host=riscv64-linux-gnu --target=riscv64-linux-gnu --with-build-config=bootstrap-lto-lean --enable-link-serialization=2
> Thread model: posix
> Supported LTO compression algorithms: zlib zstd
> gcc version 11.3.0 (Debian 11.3.0-4)
> COLLECT_GCC_OPTIONS='-v' '--help' '-march=rv64imafdc' '-mabi=lp64d' '-misa-spec=2.2' '-march=rv64imafdc' '-dumpdir' 'a-'
> ```
> Not sure this will help you or not.
>
> BTW, Please let me know if you need my assistant to do test
> on riscv64 hardware :)
Sure ! Can you try a debuild of the following package:
highway/0.17.1~git20220707.b0108ff-1
Send me the output log
Thanks.
> Bo
> >https://wiki.debian.org/ArchitectureSpecificsMemo#riscv64
> >
> >ref:
> >* https://github.com/google/highway/issues/822
>
> --
> Best Regards,
>
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