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Sigh, looks like you need '.set mips2' before you can access MIPS

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SYNC instruction.
This commit is contained in:
Tom Lane 2005-08-29 00:41:34 +00:00
parent 46a0eee300
commit 2d03390945
1 changed files with 9 additions and 3 deletions
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12
src/include/storage/s_lock.h
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@ -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 1.139 2005/08/28 18:26:01 tgl Exp $
* $PostgreSQL: pgsql/src/include/storage/s_lock.h,v 1.140 2005/08/29 00:41:34 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -490,8 +490,14 @@ tas(volatile slock_t *lock)
/* MIPS S_UNLOCK is almost standard but requires a "sync" instruction */
#define S_UNLOCK(lock) \
do \
{\
__asm__ __volatile__ (" sync \n"); \
{ \
__asm__ __volatile__( \
" .set push \n" \
" .set mips2 \n" \
" .set noreorder \n" \
" .set nomacro \n" \
" sync \n" \
" .set pop "); \
*((volatile slock_t *) (lock)) = 0; \
} while (0)