Commitce92f8b

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Use _mm_pause() for win64 spin_delay(), per note from Tsutomu Yamada.

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Lines changed: 3 additions & 3 deletions

Original file line number	Diff line number	Diff line change
`@@ -66,7 +66,7 @@`
`66`	`66`	`* Portions Copyright (c) 1996-2010, 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 1.170 2010/01/04 17:10:24 mha Exp $`
	`69`	`+ * $PostgreSQL: pgsql/src/include/storage/s_lock.h,v 1.171 2010/01/05 11:06:28 mha Exp $`
`70`	`70`	`*`
`71`	`71`	`*-------------------------------------------------------------------------`
`72`	`72`	`*/`
`@@ -837,13 +837,13 @@ typedef LONG slock_t;`
`837`	`837`	`#defineSPIN_DELAY() spin_delay()`
`838`	`838`
`839`	`839`	`/* If using Visual C++ on Win64, inline assembly is unavailable.`
`840`		`- * Use a__nop instrinsic instead of rep nop.`
	`840`	`+ * Use a_mm_pause instrinsic instead of rep nop.`
`841`	`841`	`*/`
`842`	`842`	`#if defined(_WIN64)`
`843`	`843`	`static __forceinlinevoid`
`844`	`844`	`spin_delay(void)`
`845`	`845`	`{`
`846`		`-__nop();`
	`846`	`+_mm_pause();`
`847`	`847`	`}`
`848`	`848`	`#else`
`849`	`849`	`static __forceinlinevoid`

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