On Sun, Mar 15, 2026, at 9:40 PM, Tom Lane wrote: > Michael Paquier <[email protected]> writes: >> 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.. > > Seems like this might be worth a bug report to the clang people.
Thanks Alexander for digging and a solid report of the issue, and Michael for spending some time on this, and Tom for chiming in as well. I agree this looks like a compiler issue. I know that Thomas (added/CC'ed) you've posted bugs against clang before, any thoughts on this one? > > regards, tom lane best. -greg
