Re: add AVX2 support to simd.h

Nathan Bossart <nathandbossart@gmail.com> writes:
> I've committed v9, and I've marked the commitfest entry as "Committed,"
> although we may want to revisit AVX2, etc. in the future.

A significant fraction of the buildfarm is issuing warnings about
this.

 adder         | 2024-03-26 21:04:33 | ../pgsql/src/include/port/pg_lfind.h:199:1: warning: label 'one_by_one' defined
butnot used [-Wunused-label] 
 buri          | 2024-03-26 21:16:09 | ../../src/include/port/pg_lfind.h:199:1: warning: label 'one_by_one' defined but
notused [-Wunused-label] 
 cavefish      | 2024-03-26 22:53:23 | ../../src/include/port/pg_lfind.h:199:1: warning: label 'one_by_one' defined but
notused [-Wunused-label] 
 cisticola     | 2024-03-26 22:20:07 | ../../../../src/include/port/pg_lfind.h:199:1: warning: label 'one_by_one'
definedbut not used [-Wunused-label] 
 lancehead     | 2024-03-26 21:48:17 | ../../src/include/port/pg_lfind.h:199:1: warning: unused label 'one_by_one'
[-Wunused-label]
 nicator       | 2024-03-26 21:08:14 | ../../src/include/port/pg_lfind.h:199:1: warning: label 'one_by_one' defined but
notused [-Wunused-label] 
 nuthatch      | 2024-03-26 22:00:04 | ../../src/include/port/pg_lfind.h:199:1: warning: label 'one_by_one' defined but
notused [-Wunused-label] 
 rinkhals      | 2024-03-26 19:51:32 | ../../src/include/port/pg_lfind.h:199:1: warning: unused label 'one_by_one'
[-Wunused-label]
 siskin        | 2024-03-26 19:59:29 | ../../src/include/port/pg_lfind.h:199:1: warning: label 'one_by_one' defined but
notused [-Wunused-label] 

            regards, tom lane