Mention that gcc/sparc generates sparcv7 binaries.

diff --git a/src/include/storage/s_lock.h b/src/include/storage/s_lock.h
index 6a13565672eaaf0cd9c72e8291da3d430cf68041..c0cce4b14b0ee6aba3a38feffa7e0fd48cef24f7 100644 (file)
--- a/src/include/storage/s_lock.h
+++ b/src/include/storage/s_lock.h
@@ -66,7 +66,7 @@
  * Portions Copyright (c) 1996-2006, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
- *   $PostgreSQL: pgsql/src/include/storage/s_lock.h,v 1.153 2006/05/17 23:57:03 momjian Exp $
+ *   $PostgreSQL: pgsql/src/include/storage/s_lock.h,v 1.154 2006/05/18 16:02:30 momjian Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -313,7 +313,8 @@ tas(volatile slock_t *lock)
 
    /*
     *  See comment in /pg/backend/port/tas/solaris_sparc.s for why this
-    *  uses "ldstub", and that file uses "cas".
+    *  uses "ldstub", and that file uses "cas".  gcc currently generates
+    *  sparcv7-targeted binaries, so "cas" use isn't possible.
     */
    __asm__ __volatile__(
        "   ldstub  [%2], %0    \n"