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| author | Tom Lane <tgl@sss.pgh.pa.us> | 2005-08-27 16:22:58 +0000 |
|---|---|---|
| committer | Tom Lane <tgl@sss.pgh.pa.us> | 2005-08-27 16:22:58 +0000 |
| commit | 5677c28c9147445de1fb942b614814f7064fff7f (patch) | |
| tree | f4c1be731c2ed7f57c112998176e0eb83992456e /src | |
| parent | 9a6f3630cf5ab4221beb574bf222da669f5afa6a (diff) | |
| download | postgresql-5677c28c9147445de1fb942b614814f7064fff7f.tar.gz postgresql-5677c28c9147445de1fb942b614814f7064fff7f.zip | |
Get the MIPS assembler syntax right. Also add a separate sync command;
the reference I consulted yesterday said SC does a SYNC, but apparently
this is not true on newer MIPS processors, so be safe.
Diffstat (limited to 'src')
| -rw-r--r-- | src/include/storage/s_lock.h | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/src/include/storage/s_lock.h b/src/include/storage/s_lock.h index d7dde21a5e2..39410c211b6 100644 --- a/src/include/storage/s_lock.h +++ b/src/include/storage/s_lock.h @@ -66,7 +66,7 @@ * Portions Copyright (c) 1996-2005, PostgreSQL Global Development Group * Portions Copyright (c) 1994, Regents of the University of California * - * $PostgreSQL: pgsql/src/include/storage/s_lock.h,v 1.133.4.2 2005/08/26 22:04:53 tgl Exp $ + * $PostgreSQL: pgsql/src/include/storage/s_lock.h,v 1.133.4.3 2005/08/27 16:22:58 tgl Exp $ * *------------------------------------------------------------------------- */ @@ -440,6 +440,7 @@ do \ #if defined(__mips__) && !defined(__sgi) /* Note: on SGI we use the OS' mutex ABI, see below */ +/* Note: R10000 processors require a separate SYNC */ #define HAS_TEST_AND_SET typedef unsigned int slock_t; @@ -459,11 +460,12 @@ tas(volatile slock_t *lock) " .set noreorder \n" " .set nomacro \n" " ll %0, %2 \n" - " or %1, %0, $1 \n" + " or %1, %0, 1 \n" " sc %1, %2 \n" - " xori %1, $1 \n" + " xori %1, 1 \n" " or %0, %0, %1 \n" - "1: .set pop " + " sync \n" + " .set pop " : "=&r" (_res), "=&r" (_tmp), "+R" (*_l) : : "memory"); |