Add xmm-register version of fuse-caller-save testcase

2014-07-13  Tom de Vries  <tom@codesourcery.com>

	* gcc.target/i386/fuse-caller-save-xmm-run.c: New test.
	* gcc.target/i386/fuse-caller-save-xmm.c: New test.

From-SVN: r212495

gcc/testsuite/ChangeLog

+2014-07-13  Tom de Vries  <tom@codesourcery.com>
+
+	* gcc.target/i386/fuse-caller-save-xmm-run.c: New test.
+	* gcc.target/i386/fuse-caller-save-xmm.c: New test.
+
 2014-07-13  Edward Smith-Rowland  <3dw4rd@verizon.net>
 
 	PR C++/60209 - Declaration of user-defined literal operator cause error

gcc/testsuite/gcc.target/i386/fuse-caller-save-xmm-run.c

+/* { dg-do run } */
+/* { dg-options "-O2 -msse -fuse-caller-save" } */
+
+typedef double v2df __attribute__((vector_size (16)));
+
+static v2df __attribute__((noinline))
+bar (v2df a)
+{
+  return a + (v2df){ 3.0, 3.0 };
+}
+
+v2df __attribute__((noinline))
+foo (v2df y)
+{
+  return y + bar (y);
+}
+
+int
+main (void)
+{
+  int success;
+  union {
+    v2df v;
+    double d[2];
+  } u;
+
+  u.v = foo ((v2df){ 5.0, 5.0});
+  success = (u.d[0] == 13.0
+	     && u.d[1] == 13.0);
+
+  return !success;
+}

gcc/testsuite/gcc.target/i386/fuse-caller-save-xmm.c

+/* { dg-do compile } */
+/* { dg-options "-O2 -msse -fuse-caller-save" } */
+
+typedef double v2df __attribute__((vector_size (16)));
+
+static v2df __attribute__((noinline))
+bar (v2df a)
+{
+  return a + (v2df){ 3.0, 3.0 };
+}
+
+v2df __attribute__((noinline))
+foo (v2df y)
+{
+  return y + bar (y);
+}
+
+int
+main (void)
+{
+  int success;
+  union {
+    v2df v;
+    double d[2];
+  } u;
+
+  u.v = foo ((v2df){ 5.0, 5.0});
+  success = (u.d[0] == 13.0
+	     && u.d[1] == 13.0);
+
+  return !success;
+}
+
+/* { dg-final { scan-assembler-not "movaps\t%xmm1, \\(%rsp\\)" } } */
+/* { dg-final { scan-assembler-not "movapd\t\\(%rsp\\), %xmm1" } } */
+/* { dg-final { scan-assembler-times ".cfi_def_cfa_offset 16" 1 } } */
+/* { dg-final { scan-assembler-times ".cfi_def_cfa_offset 32" 1 } } */