Re: pgsql: Inline CRC computation for small fixed-length input on x86

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: John Naylor <johncnaylorls(at)gmail(dot)com>
Cc: Andres Freund <andres(at)anarazel(dot)de>, pgsql-committers(at)lists(dot)postgresql(dot)org, cookt(at)blackduck(dot)com
Subject: Re: pgsql: Inline CRC computation for small fixed-length input on x86
Date: 2025-03-31 12:52:23
Message-ID: 3841943.1743425543@sss.pgh.pa.us
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: pgsql-committers

I wrote:
> I have reproduced it on a genuine-Red-Hat RHEL 9 x86_64 machine,
> but only when compiling with --with-llvm, and the error goes away
> if I select CC=clang.

Also, a build with meson doesn't fall into the same trap. I'm not
sure why, because I can't find where in the build.ninja file it's
trying to make any .bc files other than llvmjit_types.bc --- and
that, it's using clang for.

regards, tom lane

In response to

Browse pgsql-committers by date

  From Date Subject
Next Message Tom Lane 2025-03-31 13:09:06 Re: pgsql: Inline CRC computation for small fixed-length input on x86
Previous Message Tom Lane 2025-03-31 12:12:55 Re: pgsql: Inline CRC computation for small fixed-length input on x86