> Am 12.01.2023 um 17:18 schrieb Paul Iannetta via Gcc <gcc@gcc.gnu.org>:
>
> Hi,
>
> I was investigating an ICE (in our yet to be upstreamed back-end which
> has native support for float16), on "gcc.dg/torture/float16-complex.c"
> when compiled with lto:
>
> ./gcc/build/gcc/xgcc -B./gcc/build/gcc/
> ./gcc/gcc/testsuite/gcc.dg/torture/float16-complex.c \
> -O2 -flto -fno-use-linker-plugin -flto-partition=none -lm -o
> ./float16-complex.exe
>
> I narrowed it down to the fact that lto-lang does not support _FloatNx
> types, the function "lto_type_for_mode" (in gcc/lto/lto-lang.c) and
> "c_common_type_for_mode" (in gcc/c-family/c-common.c) are exactly the
> same except that "lto_type_for_mode" does not support _FloatNx.
>
> Is this intentional or an oversight?
It’s probably an oversight.
> Cheers,
> Paul
>
>
>
>
