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Update ASM comments.

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This commit is contained in:
Bruce Momjian
2005-12-17 20:15:43 +00:00
parent 25af534ea1
commit 70cab220c8
1 changed files with 13 additions and 12 deletions
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23
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) 1996-2005, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California * Portions Copyright (c) 1994, Regents of the University of California
* *
* $PostgreSQL: pgsql/src/include/storage/s_lock.h,v 1.142 2005/10/11 20:41:32 tgl Exp $ * $PostgreSQL: pgsql/src/include/storage/s_lock.h,v 1.143 2005/12/17 20:15:43 momjian Exp $
* *
*------------------------------------------------------------------------- *-------------------------------------------------------------------------
*/ */
@ -108,7 +108,7 @@
*/ */
#ifdef __i386__ #ifdef __i386__ /* 32-bit i386 */
#define HAS_TEST_AND_SET #define HAS_TEST_AND_SET
typedef unsigned char slock_t; typedef unsigned char slock_t;
@ -214,8 +214,7 @@ spin_delay(void)
#endif /* __x86_64__ */ #endif /* __x86_64__ */
#if defined(__ia64__) || defined(__ia64) #if defined(__ia64__) || defined(__ia64) /* Intel Itanium */
/* Intel Itanium */
#define HAS_TEST_AND_SET #define HAS_TEST_AND_SET
typedef unsigned int slock_t; typedef unsigned int slock_t;
@ -276,8 +275,8 @@ tas(volatile slock_t *lock)
#endif /* __arm__ */ #endif /* __arm__ */
#if defined(__s390__) || defined(__s390x__)
/* S/390 and S/390x Linux (32- and 64-bit zSeries) */ /* S/390 and S/390x Linux (32- and 64-bit zSeries) */
#if defined(__s390__) || defined(__s390x__)
#define HAS_TEST_AND_SET #define HAS_TEST_AND_SET
typedef unsigned int slock_t; typedef unsigned int slock_t;
@ -300,7 +299,7 @@ tas(volatile slock_t *lock)
#endif /* __s390__ || __s390x__ */ #endif /* __s390__ || __s390x__ */
#if defined(__sparc__) #if defined(__sparc__) /* Sparc */
#define HAS_TEST_AND_SET #define HAS_TEST_AND_SET
typedef unsigned char slock_t; typedef unsigned char slock_t;
@ -323,6 +322,7 @@ tas(volatile slock_t *lock)
#endif /* __sparc__ */ #endif /* __sparc__ */
/* PowerPC */
#if defined(__ppc__) || defined(__powerpc__) || defined(__powerpc64__) #if defined(__ppc__) || defined(__powerpc__) || defined(__powerpc64__)
#define HAS_TEST_AND_SET #define HAS_TEST_AND_SET
@ -374,6 +374,7 @@ do \
#endif /* powerpc */ #endif /* powerpc */
/* Linux Motorola 68k */
#if (defined(__mc68000__) || defined(__m68k__)) && defined(__linux__) #if (defined(__mc68000__) || defined(__m68k__)) && defined(__linux__)
#define HAS_TEST_AND_SET #define HAS_TEST_AND_SET
@ -399,11 +400,11 @@ tas(volatile slock_t *lock)
#endif /* (__mc68000__ || __m68k__) && __linux__ */ #endif /* (__mc68000__ || __m68k__) && __linux__ */
#if defined(__vax__)
/* /*
* VAXen -- even multiprocessor ones * VAXen -- even multiprocessor ones
* (thanks to Tom Ivar Helbekkmo) * (thanks to Tom Ivar Helbekkmo)
*/ */
#if defined(__vax__)
#define HAS_TEST_AND_SET #define HAS_TEST_AND_SET
typedef unsigned char slock_t; typedef unsigned char slock_t;
@ -429,7 +430,7 @@ tas(volatile slock_t *lock)
#endif /* __vax__ */ #endif /* __vax__ */
#if defined(__ns32k__) #if defined(__ns32k__) /* National Semiconductor 32K */
#define HAS_TEST_AND_SET #define HAS_TEST_AND_SET
typedef unsigned char slock_t; typedef unsigned char slock_t;
@ -453,7 +454,7 @@ tas(volatile slock_t *lock)
#endif /* __ns32k__ */ #endif /* __ns32k__ */
#if defined(__alpha) || defined(__alpha__) #if defined(__alpha) || defined(__alpha__) /* Alpha */
/* /*
* Correct multi-processor locking methods are explained in section 5.5.3 * Correct multi-processor locking methods are explained in section 5.5.3
* of the Alpha AXP Architecture Handbook, which at this writing can be * of the Alpha AXP Architecture Handbook, which at this writing can be
@ -499,7 +500,7 @@ do \
#endif /* __alpha || __alpha__ */ #endif /* __alpha || __alpha__ */
#if defined(__mips__) && !defined(__sgi) #if defined(__mips__) && !defined(__sgi) /* non-SGI MIPS */
/* Note: on SGI we use the OS' mutex ABI, see below */ /* Note: on SGI we use the OS' mutex ABI, see below */
/* Note: R10000 processors require a separate SYNC */ /* Note: R10000 processors require a separate SYNC */
#define HAS_TEST_AND_SET #define HAS_TEST_AND_SET
@ -553,7 +554,7 @@ do \
/* These live in s_lock.c, but only for gcc */ /* These live in s_lock.c, but only for gcc */
#if defined(__m68k__) && !defined(__linux__) #if defined(__m68k__) && !defined(__linux__) /* non-Linux Motorola 68k */
#define HAS_TEST_AND_SET #define HAS_TEST_AND_SET
typedef unsigned char slock_t; typedef unsigned char slock_t;