+2005-11-02 Hans-Peter Nilsson <hp@axis.com>
+
+ * lib/target-supports.exp (check_effective_default_packed): New proc.
+ * g++.dg/ext/packed3.C, g++.dg/ext/packed8.C, g++.dg/other/crash-4.C:
+ Gate expected errors on target ! default_packed.
+ * g++.dg/ext/packed4.C: Gate on target ! default_packed.
+
2005-11-02 Tobias Schl"uter <tobias.schlueter@physik.uni-muenchen.de>
* gfortran.fortran-torture/execute/entry_9.f90: Revert previous
return $profiling_available_saved
}
+# Return 1 if target has packed layout of structure members by
+# default, 0 otherwise. Note that this is slightly different than
+# whether the target has "natural alignment": both attributes may be
+# false.
+
+proc check_effective_target_default_packed { } {
+ global et_default_packed_saved
+ global et_default_packed_target_name
+
+ if { ![info exists et_default_packed_target_name] } {
+ set et_default_packed_target_name ""
+ }
+
+ # If the target has changed since we set the cached value, clear it.
+ set current_target [current_target_name]
+ if { $current_target != $et_default_packed_target_name } {
+ verbose "check_effective_target_default_packed: `$et_default_packed_target_name'" 2
+ set et_default_packed_target_name $current_target
+ if [info exists et_default_packed_saved] {
+ verbose "check_effective_target_default_packed: removing cached result" 2
+ unset et_default_packed_saved
+ }
+ }
+
+ if [info exists et_default_packed_saved] {
+ verbose "check_effective_target_default_packed: using cached result" 2
+ } else {
+ verbose "check_effective_target_default_packed: compiling source" 2
+
+ set et_default_packed_saved \
+ [string match "" [get_compiler_messages default_packed assembly {
+ struct x { char a; long b; } c;
+ int s[sizeof (c) == sizeof (char) + sizeof (long) ? 1 : -1];
+ } ]]
+
+ }
+ verbose "check_effective_target_default_packed: returning $et_default_packed_saved" 2
+ return $et_default_packed_saved
+}
+
# Return 1 if -fpic and -fPIC are supported, as in no warnings or errors
# emitted, 0 otherwise. Whether a shared library can actually be built is
# out of scope for this test.