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-rw-r--r--gcc-4.9/gcc/testsuite/gcc.target/i386/fma4-nmaccXX.c137
1 files changed, 137 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.target/i386/fma4-nmaccXX.c b/gcc-4.9/gcc/testsuite/gcc.target/i386/fma4-nmaccXX.c
new file mode 100644
index 000000000..9abf74604
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.target/i386/fma4-nmaccXX.c
@@ -0,0 +1,137 @@
+/* { dg-do run } */
+/* { dg-require-effective-target fma4 } */
+/* { dg-options "-O0 -mfma4" } */
+
+#include "fma4-check.h"
+
+#include <x86intrin.h>
+#include <string.h>
+
+#define NUM 20
+
+union
+{
+ __m128 x[NUM];
+ float f[NUM * 4];
+ __m128d y[NUM];
+ double d[NUM * 2];
+} dst, res, src1, src2, src3;
+
+/* Note that in macc*,msub*,mnmacc* and mnsub* instructions, the intermdediate
+ product is not rounded, only the addition is rounded. */
+
+static void
+init_nmaccps ()
+{
+ int i;
+ for (i = 0; i < NUM * 4; i++)
+ {
+ src1.f[i] = i;
+ src2.f[i] = i + 10;
+ src3.f[i] = i + 20;
+ }
+}
+
+static void
+init_nmaccpd ()
+{
+ int i;
+ for (i = 0; i < NUM * 4; i++)
+ {
+ src1.d[i] = i;
+ src2.d[i] = i + 10;
+ src3.d[i] = i + 20;
+ }
+}
+
+static int
+check_nmaccps ()
+{
+ int i, j, check_fails = 0;
+ for (i = 0; i < NUM * 4; i = i + 4)
+ for (j = 0; j < 4; j++)
+ {
+ res.f[i + j] = - (src1.f[i + j] * src2.f[i + j]) + src3.f[i + j];
+ if (dst.f[i + j] != res.f[i + j])
+ check_fails++;
+ }
+ return check_fails++;
+}
+
+static int
+check_nmaccpd ()
+{
+ int i, j, check_fails = 0;
+ for (i = 0; i < NUM * 2; i = i + 2)
+ for (j = 0; j < 2; j++)
+ {
+ res.d[i + j] = - (src1.d[i + j] * src2.d[i + j]) + src3.d[i + j];
+ if (dst.d[i + j] != res.d[i + j])
+ check_fails++;
+ }
+ return check_fails++;
+}
+
+
+static int
+check_nmaccss ()
+{
+ int i, j, check_fails = 0;
+ for (i = 0; i < NUM * 4; i = i + 4)
+ {
+ res.f[i] = - (src1.f[i] * src2.f[i]) + src3.f[i];
+ if (dst.f[i] != res.f[i])
+ check_fails++;
+ }
+ return check_fails++;
+}
+
+static int
+check_nmaccsd ()
+{
+ int i, j, check_fails = 0;
+ for (i = 0; i < NUM * 2; i = i + 2)
+ {
+ res.d[i] = - (src1.d[i] * src2.d[i]) + src3.d[i];
+ if (dst.d[i] != res.d[i])
+ check_fails++;
+ }
+ return check_fails++;
+}
+
+static void
+fma4_test (void)
+{
+ int i;
+
+ init_nmaccps ();
+
+ for (i = 0; i < NUM; i++)
+ dst.x[i] = _mm_nmacc_ps (src1.x[i], src2.x[i], src3.x[i]);
+
+ if (check_nmaccps ())
+ abort ();
+
+
+ for (i = 0; i < NUM; i++)
+ dst.x[i] = _mm_nmacc_ss (src1.x[i], src2.x[i], src3.x[i]);
+
+ if (check_nmaccss ())
+ abort ();
+
+ init_nmaccpd ();
+
+ for (i = 0; i < NUM; i++)
+ dst.y[i] = _mm_nmacc_pd (src1.y[i], src2.y[i], src3.y[i]);
+
+ if (check_nmaccpd ())
+ abort ();
+
+
+ for (i = 0; i < NUM; i++)
+ dst.y[i] = _mm_nmacc_sd (src1.y[i], src2.y[i], src3.y[i]);
+
+ if (check_nmaccsd ())
+ abort ();
+
+}