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Tidy up claimed supported CPUs and OSes.

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* Remove arbitrary mention of certain endianness and bitness variants;
   it's enough to say that applicable variants are expected to work.
 * List RISC-V (known to work, being tested).
 * List SuperH and M88K (code exists, unknown status, like M68K).
 * De-list VAX and remove code (known not to work).
 * Remove stray trace of Alpha (support was removed years ago).
 * List illumos, DragonFlyBSD (known to work, being tested).
 * No need to single Windows out by listing a specific version, when we
   don't do that for other OSes; it's enough to say that we support
   current versions of the listed OSes (when 16 ships, that'll be
   Windows 10+).

Reviewed-by: Tom Lane <tgl@sss.pgh.pa.us>
Reviewed-by: Greg Stark <stark@mit.edu>
Discussion: https://postgr.es/m/CA%2BhUKGKk7NZO1UnJM0PyixcZPpCGqjBXW_0bzFZpJBGAf84XKg%40mail.gmail.com
This commit is contained in:
Thomas Munro
2022-07-11 11:50:41 +12:00
parent 21267b6477
commit 92d70b77eb
3 changed files with 8 additions and 37 deletions
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30
src/include/storage/s_lock.h
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@@ -548,36 +548,6 @@ tas(volatile slock_t *lock)
#endif /* __m88k__ */
/*
* VAXen -- even multiprocessor ones
* (thanks to Tom Ivar Helbekkmo)
*/
#if defined(__vax__)
#define HAS_TEST_AND_SET
typedef unsigned char slock_t;
#define TAS(lock) tas(lock)
static __inline__ int
tas(volatile slock_t *lock)
{
register int _res;
__asm__ __volatile__(
" movl $1, %0 \n"
" bbssi $0, (%2), 1f \n"
" clrl %0 \n"
"1: \n"
: "=&r"(_res), "+m"(*lock)
: "r"(lock)
: "memory");
return _res;
}
#endif /* __vax__ */
#if defined(__mips__) && !defined(__sgi) /* non-SGI MIPS */
#define HAS_TEST_AND_SET