re PR testsuite/37630 (gcc.dg/20001012-1.c depends on IEEE FP encoding)

	PR testsuite/37630
	* lib/target-supports.exp (check_effective_target_ieee): New.
	* gcc.c-torture/execute/ieee/ieee.exp: Use it.
	* gcc.dg/20001012-1.c: Require ieee.

From-SVN: r144891

gcc/testsuite/ChangeLog

 2009-03-16  Janis Johnson  <janis187@us.ibm.com>
 
+	PR testsuite/37630
+	* lib/target-supports.exp (check_effective_target_ieee): New.
+	* gcc.c-torture/execute/ieee/ieee.exp: Use it.
+	* gcc.dg/20001012-1.c: Require ieee.
+
 	PR testsuite/37628
 	* gcc.c-torture/execute/pr35456.x: New, skip test for vax.
 

gcc/testsuite/gcc.c-torture/execute/ieee/ieee.exp

@@ -28,7 +28,7 @@ load_lib c-torture.exp
 # C torture test suite, and other contributors.
 
 # Disable tests on machines with no hardware support for IEEE arithmetic.
-if { [istarget "vax-*-*"] || [ istarget "powerpc-*-*spe"] } { return }
+if { ![check_effective_target_ieee] } { return }
 
 if $tracelevel then {
     strace $tracelevel

gcc/testsuite/gcc.dg/20001012-1.c

-/* { dg-do run { target fpic } } */
+/* { dg-do run { target { fpic && ieee } } } */
 /* { dg-options "-O2 -fpic" } */
 
 extern void abort (void);

gcc/testsuite/lib/target-supports.exp

@@ -2846,3 +2846,19 @@ proc check_effective_target_correct_iso_cpp_string_wchar_protos { } {
 	#endif
     }]
 }
+
+# Return 1 if the target supports IEEE arithmetic.
+
+proc check_effective_target_ieee { } {
+    global et_ieee_saved
+
+    if { ![info exists et_ieee_saved] } {
+	set et_ieee_saved 1
+	if { [istarget vax-*-*]
+	     || [istarget powerpc-*-*spe*] } {
+	    set et_ieee_saved 0
+	}
+    }
+
+    return $et_ieee_saved
+}