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-rw-r--r--gdb/ChangeLog5
-rw-r--r--gdb/doublest.c2
-rw-r--r--gdb/testsuite/ChangeLog4
-rw-r--r--gdb/testsuite/gdb.base/ldbl_e308.c26
-rw-r--r--gdb/testsuite/gdb.base/ldbl_e308.exp31
5 files changed, 67 insertions, 1 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 4d3c3ec..20ab7a9 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,5 +1,10 @@
2012-10-24 Joel Brobecker <brobecker@adacore.com>
+ * doublest.c (convert_doublest_to_floatformat): Fix comparison
+ against maximum exponent value.
+
+2012-10-24 Joel Brobecker <brobecker@adacore.com>
+
* ada-lang.h (ADA_KNOWN_RUNTIME_FILE_NAME_PATTERNS): Add entry for
"unwind-seh.c".
diff --git a/gdb/doublest.c b/gdb/doublest.c
index f683002..0308dac 100644
--- a/gdb/doublest.c
+++ b/gdb/doublest.c
@@ -483,7 +483,7 @@ convert_doublest_to_floatformat (CONST struct floatformat *fmt,
goto finalize_byteorder;
}
- if (exponent + fmt->exp_bias >= (1 << fmt->exp_len) - 1)
+ if (exponent + fmt->exp_bias >= (1 << fmt->exp_len))
{
/* The value is too large to fit into the destination.
Treat as infinity. */
diff --git a/gdb/testsuite/ChangeLog b/gdb/testsuite/ChangeLog
index a7a1180..633c0ab 100644
--- a/gdb/testsuite/ChangeLog
+++ b/gdb/testsuite/ChangeLog
@@ -1,5 +1,9 @@
2012-10-24 Joel Brobecker <brobecker@adacore.com>
+ * gdb.base/ldbl_e308.c, gdb.base/ldbl_e308.exp: New files.
+
+2012-10-24 Joel Brobecker <brobecker@adacore.com>
+
* gdb.ada/unc_arr_ptr_in_var_rec: New testcase.
2012-10-24 Mark Kettenis <kettenis@gnu.org>
diff --git a/gdb/testsuite/gdb.base/ldbl_e308.c b/gdb/testsuite/gdb.base/ldbl_e308.c
new file mode 100644
index 0000000..8bbe01b
--- /dev/null
+++ b/gdb/testsuite/gdb.base/ldbl_e308.c
@@ -0,0 +1,26 @@
+/* Copyright (C) 2012 Free Software Foundation, Inc.
+
+ This file is part of GDB.
+
+ 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/>. */
+
+long double ldbl_308 = 2.0;
+
+int
+main (void)
+{
+ ldbl_308 = ldbl_308 / 2;
+
+ return 0;
+}
diff --git a/gdb/testsuite/gdb.base/ldbl_e308.exp b/gdb/testsuite/gdb.base/ldbl_e308.exp
new file mode 100644
index 0000000..89c54b5
--- /dev/null
+++ b/gdb/testsuite/gdb.base/ldbl_e308.exp
@@ -0,0 +1,31 @@
+# Copyright (C) 2012 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/>.
+
+set testfile ldbl_e308
+set srcfile ${testfile}.c
+if { [prepare_for_testing ${testfile}.exp ${testfile} ${srcfile}] } {
+ return -1
+}
+
+if ![runto_main] {
+ untested ${testfile}.exp
+ return -1
+}
+
+gdb_test_no_output "set variable ldbl_308 = 1.6e+308l"
+
+gdb_test "print ldbl_308" \
+ "= (1\..*e\\+308|inf)"
+