David Rowley 53ea2b7ad0 Don't use _BitScanForward64/_BitScanReverse64 on 32-bit MSVC builds ...

677319746 added support for making use of MSVC's bit scanning functions.
However, that commit failed to consider 32-bit MSVC builds where the
64-bit versions of these functions are unavailable.  This resulted in
compilation failures on 32-bit MSVC.

Here we adjust the code so we fall back on the manual way of finding the
bit positions for 64-bit integers when building on 32-bit MSVC.

Bug: #17967
Reported-by: Youmiu Mo
Discussion: https://postgr.es/m/17967-cd21e34a314141b2@postgresql.org

2023-06-08 10:10:34 +12:00

7.5 KiB

Raw Blame History

View Raw