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

2006-05-18 00:44:29 +00:00 · 2006-05-18 00:44:29 +00:00 · 554608d92c
commit 554608d92c
parent 924b9d62b4
1 changed files with 3 additions and 0 deletions
--- a/src/backend/port/tas/solaris_sparc.s
+++ b/src/backend/port/tas/solaris_sparc.s
@ -26,6 +26,9 @@ pg_atomic_cas:
 	! that is targeting sparcv8:
 	!
 	!   http://cvs.opensolaris.org/source/xref/on/usr/src/lib/libc/sparc/threads/sparc.il
+	!
+	! It is actually possible to use "cas" for sparcv8 binaries if 
+	! -xarch=v8plus is used for compilation.

 #ifdef __sparcv9
 	cas     [%o0],%o2,%o1