float128-3.c: New test.

        * gcc.target/i386/float128-3.c: New test.
        * gcc.target/i386/quad-sse4.c: Ditto.
        * gcc.target/i386/quad-sse.c: Use -msse instead of -msse2.
        Update scan strings.

From-SVN: r237443

gcc/testsuite/ChangeLog

+2016-06-14  Uros Bizjak  <ubizjak@gmail.com>
+
+        * gcc.target/i386/float128-3.c: New test.
+        * gcc.target/i386/quad-sse4.c: Ditto.
+        * gcc.target/i386/quad-sse.c: Use -msse instead of -msse2.
+        Update scan strings.
+
 2016-06-14  Richard Biener  <rguenther@suse.de>
 
 	PR middle-end/71526

gcc/testsuite/gcc.target/i386/float128-3.c

+/* { dg-do run } */
+/* { dg-options "-O2 -msse4.1" } */
+/* { dg-require-effective-target sse4 } */
+
+#include "sse4_1-check.h"
+
+int signbit (__float128);
+
+extern void abort (void);
+
+static void
+sse4_1_test (void)
+{
+  static volatile __float128 a;
+
+  a = -1.2q;
+  if (!signbit (a))
+    abort ();
+
+  a = 1.2q;
+  if (signbit (a))
+    abort ();
+}

gcc/testsuite/gcc.target/i386/quad-sse4.c

+/* { dg-do compile } */
+/* { dg-options "-O2 -msse4.1" } */
+
+int signbit (__float128);
+
+__float128 x;
+
+int __test_1(void)
+{
+  return signbit (x);
+}
+
+/* { dg-final { scan-assembler-not "signbit" } } */