* gdb.opt/clobbered-registers-O2.c: New testcase source file.

        * gdb.opt/clobbered-registers-O2.exp: New testcase expect file.
        * gdb.opt/Makefile.in: New makefile.
        * Makefile.in: Create new directory "gdb.opt".
        * configure.ac: Add "gdb.opt" directory.
        * configure: Regenerated.

3 files changed, 130 insertions, 0 deletions

diff --git a/gdb/testsuite/gdb.opt/Makefile.in b/gdb/testsuite/gdb.opt/Makefile.in
new file mode 100644
index 00000000000..17fc1305f85
--- /dev/null
+++ b/gdb/testsuite/gdb.opt/Makefile.in
@@ -0,0 +1,24 @@
+VPATH = @srcdir@
+srcdir = @srcdir@
+
+EXECUTABLES = hello/hello
+
+MISCELLANEOUS =
+
+all info install-info dvi install uninstall installcheck check:
+       @echo "Nothing to be done for $@..."
+
+clean mostlyclean:
+       -find . -name '*.o' -print | xargs rm -f
+       -find . -name '*.ali' -print | xargs rm -f
+       -find . -name 'b~*.ad[sb]' -print | xargs rm -f
+       -rm -f *~ a.out xgdb *.x *.ci *.tmp
+       -rm -f *~ *.o a.out xgdb *.x *.ci *.tmp
+       -rm -f core core.coremaker coremaker.core corefile $(EXECUTABLES)
+       -rm -f $(MISCELLANEOUS) twice-tmp.c
+
+distclean maintainer-clean realclean: clean
+       -rm -f *~ core
+       -rm -f Makefile config.status config.log
+       -rm -f *-init.exp
+       -rm -fr *.log summary detail *.plog *.sum *.psum site.*
diff --git a/gdb/testsuite/gdb.opt/clobbered-registers-O2.c b/gdb/testsuite/gdb.opt/clobbered-registers-O2.c
new file mode 100644
index 00000000000..c361a0393aa
--- /dev/null
+++ b/gdb/testsuite/gdb.opt/clobbered-registers-O2.c
@@ -0,0 +1,41 @@
+/* This file is part of GDB, the GNU debugger.
+
+   Copyright 2007 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/>.  */
+
+#ifndef __GNUC__
+#define __attribute__(x)
+#endif
+
+unsigned * __attribute__((noinline))
+start_sequence (unsigned * x, unsigned * y)
+{
+	return (unsigned *)0xdeadbeef;
+};
+
+unsigned __attribute__((noinline))
+gen_movsd (unsigned * operand0, unsigned * operand1)
+{
+	return *start_sequence(operand0, operand1);
+}
+
+int main(void)
+{
+  unsigned x, y;
+
+  x = 13;
+  y = 14;
+  return (int)gen_movsd (&x, &y);
+}
diff --git a/gdb/testsuite/gdb.opt/clobbered-registers-O2.exp b/gdb/testsuite/gdb.opt/clobbered-registers-O2.exp
new file mode 100644
index 00000000000..b0af9d6e5c9
--- /dev/null
+++ b/gdb/testsuite/gdb.opt/clobbered-registers-O2.exp
@@ -0,0 +1,65 @@
+# Copyright 2007 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 2 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, write to the Free Software
+# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+#
+# This file is part of the gdb testsuite.
+
+if $tracelevel then {
+    strace $tracelevel
+}
+
+# Test displaying call clobbered registers in optimized binaries.
+# GDB should not show incorrect values.
+
+set testfile clobbered-registers-O2
+set srcfile ${testfile}.c
+set binfile ${objdir}/${subdir}/${testfile}
+
+# What compiler are we using?
+#
+if [get_compiler_info ${binfile}] {
+    return -1
+}
+
+if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable [concat debug optimize=-O2 nowarnings]] != "" } {
+     untested clobbered-registers-O2.exp
+     return -1
+}
+
+# use this to debug:
+#log_user 1
+
+gdb_exit
+gdb_start
+gdb_reinitialize_dir $srcdir/$subdir
+gdb_load ${binfile}
+
+if { ![runto start_sequence] } then {
+   fail "run to start_sequence"
+   return
+}
+
+gdb_test "frame 1" "#1.*in gen_movsd.*" "Backtracing"
+
+gdb_test_multiple "print operand0" "print operand0" {
+    -re "\\\$$decimal = <value optimized out>\r\n$gdb_prompt $" { pass "print operand0"}
+    -re "$hex\r\n$gdb_prompt $" { gdb_test "print *operand0" "13" "print operand0" }
+}
+
+gdb_test_multiple "print operand1" "print operand1" {
+    -re "\\\$$decimal = <value optimized out>\r\n$gdb_prompt $" { pass "print operand1"}
+    -re "$hex\r\n$gdb_prompt $" { gdb_test "print *operand1" "14" "print operand1" }
+}
+