fpul-usage-1.c: New.

	* gcc.target/sh/fpul-usage-1.c: New.

From-SVN: r185406

gcc/testsuite/ChangeLog

+2012-03-15  Oleg Endo  <olegendo@gcc.gnu.org>
+
+	* gcc.target/sh/fpul-usage-1.c: New.
+
 2012-03-14  Oleg Endo  <olegendo@gcc.gnu.org>
 
 	PR target/49468

gcc/testsuite/gcc.target/sh/fpul-usage-1.c

+/* Check that the FPUL register is used when reading a float as an int and
+   vice versa, as opposed to pushing and popping the values over the stack.  */
+/* { dg-do compile { target "sh*-*-*" } } */
+/* { dg-options "-O1" } */
+/* { dg-skip-if "" { "sh*-*-*" } { "-m1" "-m2" "-m4al" "*nofpu" "-m4-340*" "-m4-400*" "-m4-500*" "-m5*" } { "" } }  */
+/* { dg-final { scan-assembler "fpul" } } */
+/* { dg-final { scan-assembler-not "r15" } } */
+
+int
+float_as_int (float val)
+{
+  union { float f; int i; } u;
+  u.f = val;
+  return u.i;
+}
+
+float
+int_as_float (int val)
+{
+  union { float f; int i; } u;
+  u.i = val;
+  return u.f;
+}
+