Re: pgcrypto/des tests fail on riscv64 due to clang's code generation anomaly

On Sun, Mar 15, 2026 at 02:00:00PM +0200, Alexander Lakhin wrote:
> adding -march=rv64gcv to CFLAGS makes clang generate different (wrong?)
> code for crypt-des.c. Namely, having reproduced the diff locally, with
> this debugging addition:
>
> when the code compiled with CC=clang-20 CPPFLAGS="-march=rv64gcv".

Thanks for the detailed investigation.  I was puzzled by it myself for
a couple of hours, and did not see something else than a broken
compiler here..
--
Michael