From: | Thomas Munro <thomas(dot)munro(at)gmail(dot)com> |
---|---|
To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
Cc: | Dmitry Mityugov <d(dot)mityugov(at)postgrespro(dot)ru>, Peter Eisentraut <peter(at)eisentraut(dot)org>, pgsql-hackers(at)postgresql(dot)org |
Subject: | Re: --with-llvm on 32-bit platforms? |
Date: | 2025-09-15 23:09:02 |
Message-ID: | CA+hUKGKmfUA3mDojQOffHbNPiQxm1p3ce_QYvJSEnVy61Wom9A@mail.gmail.com |
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Lists: | pgsql-hackers |
On Tue, Sep 16, 2025 at 8:22 AM Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
> Dmitry Mityugov <d(dot)mityugov(at)postgrespro(dot)ru> writes:
> > What's interesting is that when I add the following (quick and dirty)
> > assertion to DatumGetPointer on 32-bit Linux platforms,
>
> > DatumGetPointer(Datum X)
> > {
> > Assert((X & 0xFFFFFFFF00000000) == 0);
> > return (Pointer) (uintptr_t) X;
> > }
>
> > I get a failure in Postgres executable early on startup.
>
> Interesting, but again, how about a stack trace?
Hmm. We use TypeSizeT in generated IR for Datum, which is obviously
incorrect in this configuration.
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