1 files changed, 95 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.target/i386/sse4_1-round.h b/gcc/testsuite/gcc.target/i386/sse4_1-round.h
new file mode 100644
index 000000000..0210ac130
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/sse4_1-round.h
@@ -0,0 +1,95 @@
+#include <smmintrin.h>
+#include <math.h>
+
+#define NUM 64
+
+static void
+init_round (FP_T *src)
+{
+  int i, sign = 1;
+  FP_T f = rand ();
+
+  for (i = 0; i < NUM; i++)
+    {
+      src[i] = (i + 1)* f * M_PI * sign;
+      if (i < (NUM / 2))
+	{
+          if ((i % 6) == 0)
+	    f = f * src[i];
+        }
+      else if (i == (NUM / 2))
+	f = rand ();
+      else if ((i % 6) == 0)
+	f = 1 / (f * (i + 1) * src[i] * M_PI *sign);
+      sign = -sign;
+    }
+}
+
+static FP_T
+do_round (FP_T f, int type)
+{
+  short saved_cw, new_cw, clr_mask;
+  FP_T ret;
+
+  if ((type & 4))
+    {
+      type = 0;
+      clr_mask = 0xFFFF;
+    }
+  else
+    {
+      type = 0x003F | ((type & 3) << 10);
+      clr_mask = ~0x0C3F;
+    }
+
+  __asm__ ("fld" ASM_SUFFIX " %0" : : "m" (*&f));
+
+  __asm__ ("fstcw %0" : "=m" (*&saved_cw));
+  new_cw = saved_cw & clr_mask;
+  new_cw |= type;
+  __asm__ ("fldcw %0" : : "m" (*&new_cw));
+
+  __asm__ ("frndint\n"
+	   "fstp" ASM_SUFFIX " %0\n" : "=m" (*&ret));
+  __asm__ ("fldcw %0" : : "m" (*&saved_cw));
+  return ret;
+}
+
+static void
+sse4_1_test (void)
+{
+  int i;
+  FP_T f;
+  union
+    {
+      VEC_T x[NUM / LOOP_INCREMENT];
+      FP_T f[NUM];
+    } dst, src;
+
+  init_round (src.f);
+
+  for (i = 0; i < NUM / LOOP_INCREMENT; i++)
+    dst.x[i] =  ROUND_INTRIN (src.x[i], ROUND_MODE);
+
+  for (i = 0; i < NUM; i += CHECK_LOOP_INCREMENT)
+    {
+      f = do_round (src.f[i], CHECK_ROUND_MODE);
+     if (f != dst.f[i])
+       abort ();
+    }
+
+  if (_MM_FROUND_TO_NEAREST_INT != 0x00
+      || _MM_FROUND_TO_NEG_INF != 0x01
+      || _MM_FROUND_TO_POS_INF != 0x02
+      || _MM_FROUND_TO_ZERO != 0x03
+      || _MM_FROUND_CUR_DIRECTION != 0x04
+      || _MM_FROUND_RAISE_EXC != 0x00
+      || _MM_FROUND_NO_EXC != 0x08
+      || _MM_FROUND_NINT != 0x00
+      || _MM_FROUND_FLOOR != 0x01
+      || _MM_FROUND_CEIL != 0x02
+      || _MM_FROUND_TRUNC != 0x03
+      || _MM_FROUND_RINT != 0x04
+      || _MM_FROUND_NEARBYINT != 0x0C)
+    abort ();
+}