Commit554608d

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Add mention of -xarch=v8plus for "cas" usage on Solaris/sparc.

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Original file line number	Diff line number	Diff line change
`@@ -26,6 +26,9 @@ pg_atomic_cas:`
`26`	`26`	`! that is targetingsparcv8:`
`27`	`27`	`!`
`28`	`28`	`!http://cvs.opensolaris.org/source/xref/on/usr/src/lib/libc/sparc/threads/sparc.il`
	`29`	`+!`
	`30`	`+! It is actually possible to use"cas" for sparcv8 binaries if`
	`31`	`+! -xarch=v8plus is used for compilation.`
`29`	`32`
`30`	`33`	`#ifdef __sparcv9`
`31`	`34`	`cas [%o0],%o2,%o1`

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