2006-12-08 Manuel Lopez-Ibanez <manu@gcc.gnu.org>

	* lib/target-supports.exp
	(check_effective_target_large_long_double): New.  
	* gcc.dg/Wconversion-real.c : Use it.  
	* gcc.dg/Wconversion-integer.c : Fix for targets where char is
	unsigned.

From-SVN: r119662

gcc/testsuite/ChangeLog

+2006-12-08  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
+
+	* lib/target-supports.exp
+	(check_effective_target_large_long_double): New.  
+	* gcc.dg/Wconversion-real.c : Use it.  
+	* gcc.dg/Wconversion-integer.c : Fix for targets where char is
+	unsigned.
+
 2006-12-08  Mark Shinwell  <shinwell@codesourcery.com>
 
 	* gcc.c-torture/execute/mode-dependent-address.c: New test.

gcc/testsuite/gcc.dg/Wconversion-integer.c

@@ -2,7 +2,7 @@
    These tests come from gcc/testsuite/gcc.dg/overflow-warn-2.c  */
 
 /* { dg-do compile } */
-/* { dg-options "-std=c99 -Wconversion" } */
+/* { dg-options "-std=c99 -fsigned-char -Wconversion" } */
 
 #include <limits.h>
 

gcc/testsuite/gcc.dg/Wconversion-real.c

@@ -20,15 +20,15 @@ void h (void)
   ffloat (3.1); /* { dg-warning "conversion" } */
   vfloat = 3.1; /* { dg-warning "conversion" } */
   ffloat (3.1L); /* { dg-warning "conversion" } */
-  vfloat = 3.1L; /* { dg-warning "conversion" } */
-  fdouble (3.1L); /* { dg-warning "conversion" } */
-  vdouble = 3.1L; /* { dg-warning "conversion" } */
+  vfloat = 3.1L;  /* { dg-warning "conversion" } */
+  fdouble (3.1L); /* { dg-warning "conversion" "" { target large_long_double } } */
+  vdouble = 3.1L; /* { dg-warning "conversion" "" { target large_long_double } } */
   ffloat (vdouble); /* { dg-warning "conversion" } */
   vfloat = vdouble; /* { dg-warning "conversion" } */
   ffloat (vlongdouble); /* { dg-warning "conversion" } */
   vfloat = vlongdouble; /* { dg-warning "conversion" } */
-  fdouble (vlongdouble); /* { dg-warning "conversion" } */
-  vdouble = vlongdouble; /* { dg-warning "conversion" } */
+  fdouble (vlongdouble); /* { dg-warning "conversion" "" { target large_long_double } } */
+  vdouble = vlongdouble; /* { dg-warning "conversion" "" { target large_long_double } } */
 
 
   ffloat ((float) 3.1); 

gcc/testsuite/lib/target-supports.exp

@@ -1118,6 +1118,16 @@ proc check_effective_target_lp64 { } {
     }]
 }
 
+# Return 1 if the target supports long double larger than double,
+# 0 otherwise.
+
+proc check_effective_target_large_long_double { } {
+    return [check_no_compiler_messages large_long_double object {
+	int dummy[sizeof(long double) > sizeof(double) ? 1 : -1];
+    }]
+}
+
+
 # Return 1 if the target supports compiling decimal floating point,
 # 0 otherwise.