Commit609e32b

committed

Add spinlock support for Itanium processor with Intel compiler.

Vikram Kalsi

1 parent164adc4 commit609e32bCopy full SHA for 609e32b

File tree

+17

-2

lines changed

+17

-2

lines changed

Lines changed: 17 additions & 2 deletions

Original file line number	Diff line number	Diff line change
`@@ -66,7 +66,7 @@`
`66`	`66`	`* Portions Copyright (c) 1996-2005, PostgreSQL Global Development Group`
`67`	`67`	`* Portions Copyright (c) 1994, Regents of the University of California`
`68`	`68`	`*`
`69`		`- * $PostgreSQL: pgsql/src/include/storage/s_lock.h,v 1.133 2004/12/31 22:03:42 pgsql Exp $`
	`69`	`+ * $PostgreSQL: pgsql/src/include/storage/s_lock.h,v 1.134 2005/03/10 21:41:01 momjian Exp $`
`70`	`70`	`*`
`71`	`71`	`*-------------------------------------------------------------------------`
`72`	`72`	`*/`
`@@ -168,14 +168,16 @@ spin_delay(void)`
`168`	`168`	`#endif/* __i386__ \|\| __x86_64__ */`
`169`	`169`
`170`	`170`
`171`		`-#if defined(__ia64__)\|\| defined(__ia64)/* __ia64 used by ICC compiler? */`
	`171`	`+#if defined(__ia64__)\|\| defined(__ia64)`
`172`	`172`	`/* Intel Itanium */`
`173`	`173`	`#defineHAS_TEST_AND_SET`
`174`	`174`
`175`	`175`	`typedefunsignedintslock_t;`
`176`	`176`
`177`	`177`	`#defineTAS(lock) tas(lock)`
`178`	`178`
	`179`	`+#ifndef__INTEL_COMPILER`
	`180`	`+`
`179`	`181`	`static __inline__int`
`180`	`182`	`tas(volatileslock_t*lock)`
`181`	`183`	`{`
`@@ -189,6 +191,19 @@ tas(volatile slock_t *lock)`
`189`	`191`	`return (int)ret;`
`190`	`192`	`}`
`191`	`193`
	`194`	`+#else`
	`195`	`+`
	`196`	`+static __inline__int`
	`197`	`+tas(volatileslock_t*lock)`
	`198`	`+{`
	`199`	`+intret;`
	`200`	`+`
	`201`	`+ret=_InterlockedExchange(lock,1);/* this is a xchg asm macro */`
	`202`	`+`
	`203`	`+returnret;`
	`204`	`+}`
	`205`	`+`
	`206`	`+#endif`
`192`	`207`	`#endif/* __ia64__ \|\| __ia64 */`
`193`	`208`
`194`	`209`

Comments

(0)