Synchronize with google/gcc-4_9 to r224707 (from r214835)

Change-Id: I3d6f06fc613c8f8b6a82143dc44b7338483aac5d

1 files changed, 51 insertions, 0 deletions

diff --git a/gcc-4.9/gcc/testsuite/gcc.target/powerpc/swaps-p8-15.c b/gcc-4.9/gcc/testsuite/gcc.target/powerpc/swaps-p8-15.c
new file mode 100644
index 0000000..172e4bd
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.target/powerpc/swaps-p8-15.c
@@ -0,0 +1,51 @@
+/* { dg-do compile { target { powerpc64le-*-* } } } */
+/* { dg-skip-if "do not override -mcpu" { powerpc*-*-* } { "-mcpu=*" } { "-mcpu=power8" } } */
+/* { dg-options "-mcpu=power8 -O3" } */
+/* { dg-final { scan-assembler "lxvd2x" } } */
+/* { dg-final { scan-assembler "stxvd2x" } } */
+/* { dg-final { scan-assembler "xxspltw" } } */
+
+/* Currently the analyze_swaps phase cannot optimize this loop because
+   of the presence of an UNSPEC_VSX_CVDPSPN.  At such time as this is 
+   handled, we need to add a 'scan-assembler-not "xxpermdi"' directive to
+   this test.  */
+#include <altivec.h>
+void abort();
+
+#define N 4096
+#define M 10000000
+vector float ca[N][4] = {0};
+vector float cb[N][4] = {0};
+vector float cc[N][4] = {0};
+
+__attribute__((noinline)) void foo ()
+{
+  int i;
+  for (i = 0; i < N; i++) {
+    cc[i][0] = vec_mul(vec_splats(cb[i][0][0]), ca[i][0]);
+    cc[i][0] = vec_madd(cc[i][0],vec_splats(cb[i][0][1]), ca[i][1]);
+    cc[i][0] = vec_madd(cc[i][0],vec_splats(cb[i][0][2]), ca[i][2]);
+    cc[i][0] = vec_madd(cc[i][0],vec_splats(cb[i][0][3]), ca[i][3]);
+
+    cc[i][1] = vec_mul(vec_splats(cb[i][1][0]), ca[i][0]);
+    cc[i][1] = vec_madd(cc[i][0],vec_splats(cb[i][1][1]), ca[i][1]);
+    cc[i][1] = vec_madd(cc[i][0],vec_splats(cb[i][1][2]), ca[i][2]);
+    cc[i][1] = vec_madd(cc[i][0],vec_splats(cb[i][1][3]), ca[i][3]);
+    
+    cc[i][2] = vec_mul(vec_splats(cb[i][2][0]), ca[i][0]);
+    cc[i][2] = vec_madd(cc[i][0],vec_splats(cb[i][2][1]), ca[i][1]);
+    cc[i][2] = vec_madd(cc[i][0],vec_splats(cb[i][2][2]), ca[i][2]);
+    cc[i][2] = vec_madd(cc[i][0],vec_splats(cb[i][2][3]), ca[i][3]);
+    
+    cc[i][3] = vec_mul(vec_splats(cb[i][3][0]), ca[i][0]);
+    cc[i][3] = vec_madd(cc[i][0],vec_splats(cb[i][3][1]), ca[i][1]);
+    cc[i][3] = vec_madd(cc[i][0],vec_splats(cb[i][3][2]), ca[i][2]);
+    cc[i][3] = vec_madd(cc[i][0],vec_splats(cb[i][3][3]), ca[i][3]);
+  }
+}
+
+int main ()
+{
+  foo ();
+  return 0;
+}