PR target/17381 - Unnecessary register move for float extend

2016-01-28  Martin Sebor  <msebor@redhat.com>

	PR target/17381
	* gcc.target/powerpc/pr17381.c: New test.

From-SVN: r232947

gcc/testsuite/ChangeLog

+2016-01-28  Martin Sebor  <msebor@redhat.com>
+
+	PR target/17381
+	* gcc.target/powerpc/pr17381.c: New test.
+
 2016-01-28  Jakub Jelinek  <jakub@redhat.com>
 
 	PR middle-end/69542

gcc/testsuite/gcc.target/powerpc/pr17381.c

+/* PR target/17381 - Unnecessary register move for float extend */
+/* { dg-do compile } */
+/* { dg-options "-O2" } */
+
+double d;
+float test1(float fParm)
+{
+  d = fParm + 1.0;
+  return fParm + 1.0f;
+}
+/* { dg-final { scan-assembler-times "fmr" 1 } } */
+/* PR target/17381 - Unnecessary register move for float extend */
+/* { dg-do compile } */
+/* { dg-options "-O2" } */
+
+double d;
+float test1(float fParm)
+{
+  d = fParm + 1.0;
+  return fParm + 1.0f;
+}
+/* { dg-final { scan-assembler-times "fmr" 1 } } */