target-supports.exp (check_effective_target_coldfire_fpu): New procedure.

gcc/testsuite/
	* lib/target-supports.exp (check_effective_target_coldfire_fpu): New
	procedure.
	* gcc.c-torture/execute/ieee/mul-subnormal-single-1.x: XFAIL on
	m68k targets if check_effective_target_coldfire_fpu returns true.

From-SVN: r121744

gcc/testsuite/ChangeLog

+2007-02-09  Richard Sandiford  <richard@codesourcery.com>
+
+	* lib/target-supports.exp (check_effective_target_coldfire_fpu): New
+	procedure.
+	* gcc.c-torture/execute/ieee/mul-subnormal-single-1.x: XFAIL on
+	m68k targets if check_effective_target_coldfire_fpu returns true.
+
 2007-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
 	Richard Guenther  <rguenther@suse.de>
 

gcc/testsuite/gcc.c-torture/execute/ieee/mul-subnormal-single-1.x

@@ -3,4 +3,9 @@ if [istarget "mips-sgi-irix6*"] {
     # isn't expected to work for n32 and n64 on MIPS IV targets.
     return 1
 }
+if {[istarget "m68k-*-linux-gnu*"] && [check_effective_target_coldfire_fpu]} {
+    # ColdFire FPUs require software handling of subnormals.  Linux 2.6.10
+    # does not have this.
+    set torture_execute_xfail "m68k-*-linux-gnu*"
+}
 return 0

gcc/testsuite/lib/target-supports.exp

@@ -2024,6 +2024,16 @@ proc check_effective_target_sync_char_short { } {
     return $et_sync_char_short_saved
 }
 
+# Return 1 if the target uses a ColdFire FPU.
+
+proc check_effective_target_coldfire_fpu { } {
+    return [check_no_compiler_messages coldfire_fpu assembly {
+	#ifndef __mcffpu__
+	#error FOO
+	#endif
+    }]
+}
+
 # Return 1 if the target matches the effective target 'arg', 0 otherwise.
 # This can be used with any check_* proc that takes no argument and
 # returns only 1 or 0.  It could be used with check_* procs that take