Support for tests of -fbranch-probabilities.

	* g77.dg/bprob: New directory.
	* g77.dg/bprob/bprob.exp: New file.
	* g77.dg/bprob/bprob-1.f: New test.

From-SVN: r45609

gcc/testsuite/g77.dg/bprob/bprob.exp

+#   Copyright (C) 2001 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.  
+
+# Test the functionality of programs compiled with profile-directed block
+# ordering using -fprofile-arcs followed by -fbranch-probabilities.
+
+# The procedures in profopt.exp need these parameters.
+set tool g77
+set profile_option -fprofile-arcs
+set feedback_option -fbranch-probabilities
+set prof_ext da
+set perf_ext tim
+
+# Override the list defined in profopt.exp.
+set PROFOPT_OPTIONS [list \
+	{ -g } \
+	{ -O0 } \
+	{ -O1 } \
+	{ -O2 } \
+	{ -O3 } \
+	{ -O3 -g } \
+	{ -Os } ]
+
+if $tracelevel then {
+    strace $tracelevel
+}
+
+# Load support procs.
+load_lib profopt.exp
+
+# Clean up existing .da and .tim files.
+profopt-cleanup da
+profopt-cleanup tim
+
+foreach src [lsort [glob -nocomplain $srcdir/$subdir/bprob-*.f]] {
+    # If we're only testing specific files and this isn't one of them, skip it.
+    if ![runtest_file_p $runtests $src] then {
+	continue
+    }
+
+    profopt-execute $src
+}