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Diffstat (limited to 'gcc/testsuite/gcc.target/i386/xop-rotate1-vector.c')
-rw-r--r--gcc/testsuite/gcc.target/i386/xop-rotate1-vector.c35
1 files changed, 35 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.target/i386/xop-rotate1-vector.c b/gcc/testsuite/gcc.target/i386/xop-rotate1-vector.c
new file mode 100644
index 000000000..e3ae644d0
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/xop-rotate1-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
+left_rotate32 (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 ()
+{
+ left_rotate32 ();
+ exit (0);
+}
+
+/* { dg-final { scan-assembler "vprotd" } } */