+# Copyright 2016-2017 Free Software Foundation, Inc.
+
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# 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*"] then {
+ verbose "Skipping powerpc long-double floating point tests."
+ return
+}
+
+standard_testfile
+
+proc do_test { name {opts {}} } {
+ global srcdir subdir srcfile binfile
+ set ccopts {debug quiet}
+ foreach opt $opts {lappend ccopts "additional_flags=$opt"}
+ set lines [gdb_compile "${srcdir}/${subdir}/${srcfile}" "$binfile.$name" executable $ccopts]
+ # We get this warning even with the nowarnings option ...
+ regsub -all "(^|\n)\[^\n\]*using \[^\n\]* extended precision long double" $lines "" lines
+ if { $lines != "" } then {
+ return
+ }
+
+ clean_restart ${binfile}.${name}
+
+ if ![runto_main] then {
+ return
+ }
+
+ # Run to the breakpoint at return.
+ gdb_breakpoint [gdb_get_line_number "return"]
+ gdb_continue_to_breakpoint "return"
+
+ # Print the value of ld
+ gdb_test "print ld" ".* = 1\\.375.*" "the value of ld is 1.375 ($name)"
+ # Print the value of float128
+ gdb_test "print float128" ".* = 2\\.375.*" "the value of float128 is 2.375 ($name)"
+ # Print the value of ibm128
+ gdb_test "print ibm128" ".* = 3\\.375.*" "the value of ibm128 is 3.375 ($name)"
+}
+
+# Verify that we correctly detect the floating-point format used for
+# long double. Re-run the test with -mabi=ieeelongdouble and mabi=ibmlongdouble
+
+do_test default { -mfloat128 }
+do_test ieee128 { -mfloat128 -mabi=ieeelongdouble }
+do_test ibm128 { -mfloat128 -mabi=ibmlongdouble }
+