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Fix for NS32K machine.

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This commit is contained in:
Bruce Momjian
1998-09-18 05:36:24 +00:00
parent 0498b6a487
commit 33554989c0
2 changed files with 14 additions and 18 deletions
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13
src/backend/storage/buffer/s_lock.c
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@ -7,7 +7,7 @@
* *
* *
* IDENTIFICATION * IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/storage/buffer/Attic/s_lock.c,v 1.10 1998/09/03 02:14:39 momjian Exp $ * $Header: /cvsroot/pgsql/src/backend/storage/buffer/Attic/s_lock.c,v 1.11 1998/09/18 05:36:23 momjian Exp $
* *
*------------------------------------------------------------------------- *-------------------------------------------------------------------------
*/ */
@ -118,6 +118,17 @@ success: \n\
#endif /* PPC */ #endif /* PPC */
#if defined(__ns32k__)
int
tas(volatile slock_t *lock)
{
int res;
__asm__("sbitb 0, %0" : "=m"(*lock));
__asm__("sprb us, %0" : "=r"(res));
res = (res >> 5) & 1;
return res;
}
#endif
#else /* defined(__GNUC__) */ #else /* defined(__GNUC__) */
/*************************************************************************** /***************************************************************************

19
src/include/storage/s_lock.h
View File

@ -7,7 +7,7 @@
* *
* *
* IDENTIFICATION * IDENTIFICATION
* $Header: /cvsroot/pgsql/src/include/storage/s_lock.h,v 1.47 1998/09/12 16:07:53 momjian Exp $ * $Header: /cvsroot/pgsql/src/include/storage/s_lock.h,v 1.48 1998/09/18 05:36:24 momjian Exp $
* *
*------------------------------------------------------------------------- *-------------------------------------------------------------------------
*/ */
@ -213,22 +213,7 @@ tas(slock_t *s_lock)
#endif /* NEED_I386_TAS_ASM */ #endif /* NEED_I386_TAS_ASM */
/* NS32K code is in s_lock.c */
#if defined(NEED_NS32K_TAS_ASM)
#define S_LOCK(lock) \
{ \
slock_t res = 1; \
while (res) { \
__asm__("movqd 0, r0"); \
__asm__("sbitd r0, %0" : "=m"(*lock)); \
__asm__("sprb us, %0" : "=r" (res)); \
res = ((res >> 5) & 1); \
} \
}
#endif /* NEED_NS32K_TAS_ASM */
#endif /* defined(__GNUC__) */ #endif /* defined(__GNUC__) */