2009-11-06 Basile Starynkevitch <basile@starynkevitch.net>

        MELT branch merged with trunk rev 153975



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/melt-branch@153981 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 35 insertions, 0 deletions

diff --git a/gcc/testsuite/gcc.target/i386/xop-rotate2-vector.c b/gcc/testsuite/gcc.target/i386/xop-rotate2-vector.c
new file mode 100644
index 00000000000..9996279bc0f
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/xop-rotate2-vector.c
@@ -0,0 +1,35 @@
+/* Test that the compiler properly optimizes vector rotate instructions vector
+   into prot on XOP systems.  */
+
+/* { dg-do compile } */
+/* { dg-require-effective-target lp64 } */
+/* { dg-options "-O2 -mxop -ftree-vectorize" } */
+
+extern void exit (int);
+
+typedef long __m128i  __attribute__ ((__vector_size__ (16), __may_alias__));
+
+#define SIZE 10240
+
+union {
+  __m128i i_align;
+  unsigned u32[SIZE];
+} a, b, c;
+
+void
+right_rotate32_b (void)
+{
+  int i;
+
+  for (i = 0; i < SIZE; i++)
+    a.u32[i] = (b.u32[i] >> ((sizeof (int) * 8) - 4)) | (b.u32[i] << 4);
+}
+
+int
+main ()
+{
+  right_rotate ();
+  exit (0);
+}
+
+/* { dg-final { scan-assembler "vprot" } } */