re PR target/53513 ([SH] Add support for fpchg insn and improve fenv support)

gcc/testsuite/
	PR target/53513
	* gcc.target/sh/fpchg.c: Rename to ...
	* gcc.target/sh/pr53513-1.c: ... this.  Adjust test case to work for
	-m4a and -m4a-single.

From-SVN: r218793

gcc/testsuite/ChangeLog

+2014-12-16  Oleg Endo  <olegendo@gcc.gnu.org>
+
+	PR target/53513
+	* gcc.target/sh/fpchg.c: Rename to ...
+	* gcc.target/sh/pr53513-1.c: ... this.  Adjust test case to work for
+	-m4a and -m4a-single.
+
 2014-12-16  Marek Polacek  <polacek@redhat.com>
 
 	PR middle-end/64309

gcc/testsuite/gcc.target/sh/fpchg.c

-/* Check that fpchg is used to switch precision.  */
-
-/* { dg-do compile } */
-/* { dg-final { scan-assembler "fpchg" } } */
-/* { dg-final { scan-assembler-not "fpscr" } } */
-/* { dg-skip-if "" { "sh*-*-*" } { "*" } { "-m4a" } } */
-
-extern float c;
-
-void
-foo(int j)
-{
-  while (j--)
-    c++;
-
-}
-

gcc/testsuite/gcc.target/sh/pr53513-1.c

+/* Check that fpchg is used to switch FPSCR.PR mode on SH4A.  */
+/* { dg-additional-options "-O" }  */
+/* { dg-skip-if "" { "sh*-*-*" } { "*" } { "-m4a" "-m4a-single" } }  */
+/* { dg-final { scan-assembler "fpchg" } }  */
+/* { dg-final { scan-assembler-not "fpscr" } }  */
+
+double
+foo (float a, float b, double c)
+{
+  return (a * b) + c;
+}