| From: | John Naylor <johncnaylorls(at)gmail(dot)com> |
|---|---|
| To: | Nathan Bossart <nathandbossart(at)gmail(dot)com> |
| Cc: | pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: a couple of small patches for simd.h |
| Date: | 2025-09-24 01:04:59 |
| Message-ID: | CANWCAZaLyxDHoDFjvtaz0aM6Agx=P5i=0T8HnkgLNdwXwJn9Ug@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Tue, Sep 23, 2025 at 4:44 AM Nathan Bossart <nathandbossart(at)gmail(dot)com> wrote:
>
> 0001 essentially reverts commit c6a43c2, and instead fixes the problem
> (MSVC dislikes casts to the same type) by omitting the cast in the
> problematic line in pg_lfind32(). While working on optimizing hex_encode()
> and hex_decode() [0], I noticed that implicit conversions sufficed.
I don't remember why that cast was there, but I suggest testing on gcc
/ aarch64 if you haven't already.
As for 0002, +1 for more succinct expressions when the hardware supports it.
--
John Naylor
Amazon Web Services
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