Initial checkin of GCC 4.9.0 from trunk (r208799).

Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba

1 files changed, 85 insertions, 0 deletions

diff --git a/gcc-4.9/gcc/testsuite/gcc.target/i386/sha256rnds2-2.c b/gcc-4.9/gcc/testsuite/gcc.target/i386/sha256rnds2-2.c
new file mode 100644
index 000000000..4e586749d
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.target/i386/sha256rnds2-2.c
@@ -0,0 +1,85 @@
+/* { dg-do run } */
+/* { dg-options "-O2 -msha" } */
+/* { dg-require-effective-target sha } */
+
+#include "sha-check.h"
+#include "m128-check.h"
+#include <x86intrin.h>
+#include <immintrin.h>
+
+static int
+ch (int e, int f, int g)
+{
+  return (e & f) ^ (~e & g);
+}
+
+static int
+maj (int a, int b, int c)
+{
+  return (a & b) ^ (a & c) ^ (b & c);
+}
+
+static int
+s0 (int a)
+{
+  return __rord (a, 2) ^ __rord (a, 13) ^ __rord (a, 22);
+}
+
+static int
+s1 (int e)
+{
+  return __rord (e, 6) ^ __rord (e, 11) ^ __rord (e, 25);
+}
+
+static void
+compute_sha256rnds2 (int *src0, int *src1, int *src2, int *res)
+{
+  int wk[2] = { src0[0], src0[1] };
+  int a[3], b[3], c[3], d[3], e[3], f[3], g[3], h[3];
+
+  a[0] = src2[3];
+  b[0] = src2[2];
+  c[0] = src1[3];
+  d[0] = src1[2];
+  e[0] = src2[1];
+  f[0] = src2[0];
+  g[0] = src1[1];
+  h[0] = src1[0];
+
+  int i;
+  for (i = 0; i <= 1; i++)
+    {
+      a[i+1] = ch (e[i], f[i], g[i]) + s1 (e[i]) + wk[i] + h[i]
+	       + maj (a[i], b[i], c[i]) + s0 (a[i]);
+      b[i+1] = a[i];
+      c[i+1] = b[i];
+      d[i+1] = c[i];
+      e[i+1] = ch (e[i], f[i], g[i]) + s1 (e[i]) + wk[i] + h[i] + d[i];
+      f[i+1] = e[i];
+      g[i+1] = f[i];
+      h[i+1] = g[i];
+    }
+
+  res[0] = f[2];
+  res[1] = e[2];
+  res[2] = b[2];
+  res[3] = a[2];
+}
+
+static void
+sha_test (void)
+{
+  union128i_d s0, s1, s2, res;
+  int res_ref[4];
+
+  s0.x = _mm_set_epi32 (0, 0, 111, 222);
+  s1.x = _mm_set_epi32 (333, 444, 555, 666);
+  s2.x = _mm_set_epi32 (777, 888, 999, 123);
+
+  res.x = _mm_sha256rnds2_epu32 (s1.x, s2.x, s0.x);
+
+  compute_sha256rnds2 (s0.a, s1.a, s2.a, res_ref);
+
+  if (check_union128i_d (res, res_ref))
+    abort ();
+}