[patch, testsuite] restrict gdb.arch/ppc64-symtab-cordic.exp to ppc64 targets

[Sandra Loosemore <sandra@codesourcery.com>]

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I've found that it doesn't do anything useful to try loading a ppc64 .ko 
file when testing GDB on ARM, Nios II, etc.  I copied the target test 
logic from the other gdb.arch/ppc64-*.exp testcase -- is this OK to 
check in?

-Sandra


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2015-07-29  Sandra Loosemore  <sandra@codesourcery.com>

	gdb/testsuite/
	* gdb.arch/ppc64-symtab-cordic.exp: Restrict to ppc64 targets.

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diff --git a/gdb/testsuite/gdb.arch/ppc64-symtab-cordic.exp b/gdb/testsuite/gdb.arch/ppc64-symtab-cordic.exp
index d9a3f13..fa82510 100644
--- a/gdb/testsuite/gdb.arch/ppc64-symtab-cordic.exp
+++ b/gdb/testsuite/gdb.arch/ppc64-symtab-cordic.exp
@@ -13,6 +13,11 @@
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
+if {![istarget "powerpc*"] || ![is_lp64_target]} {
+    verbose "Skipping powerpc64 separate debug file symtab test."
+    return
+}
+
 standard_testfile
 
 set kobz2file ${srcdir}/${subdir}/cordic.ko.bz2