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

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index a378dd6..0957d2f 100644 (file)
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+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

diff --git a/gcc/testsuite/gcc.target/powerpc/pr17381.c b/gcc/testsuite/gcc.target/powerpc/pr17381.c
new file mode 100644 (file)
index 0000000..681e987
--- /dev/null
+++ b/gcc/testsuite/gcc.target/powerpc/pr17381.c
@@ -0,0 +1,22 @@
+/* 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 } } */