Add testcases for 256bit AVX copysign.

2010-10-13  H.J. Lu  <hongjiu.lu@intel.com>

	* gcc.target/i386/avx-copysign-vec.c: New.
	* gcc.target/i386/avx-copysignf-vec.c: Likewise.

From-SVN: r165448

gcc/testsuite/ChangeLog

 2010-10-13  H.J. Lu  <hongjiu.lu@intel.com>
 
+	* gcc.target/i386/avx-copysign-vec.c: New.
+	* gcc.target/i386/avx-copysignf-vec.c: Likewise.
+
+2010-10-13  H.J. Lu  <hongjiu.lu@intel.com>
+
 	PR middle-end/44130
 	* gcc.target/i386/pr44130.c: New.
 

gcc/testsuite/gcc.target/i386/avx-copysign-vec.c

+/* { dg-do run } */
+/* { dg-require-effective-target avx } */
+/* { dg-options "-O2 -ftree-vectorize -mavx" } */
+
+#include "avx-check.h"
+
+extern double copysign (double, double);
+
+#define N 16
+
+double a[N] = {-0.1,-3.2,-6.3,-9.4,-12.5,-15.6,-18.7,-21.8,24.9,27.1,30.2,33.3,36.4,39.5,42.6,45.7};
+double b[N] = {-1.2,3.4,-5.6,7.8,-9.0,1.0,-2.0,3.0,-4.0,-5.0,6.0,7.0,-8.0,-9.0,10.0,11.0};
+double r[N];
+
+static void
+avx_test (void)
+{  
+  int i;
+
+  for (i = 0; i < N; i++)
+    r[i] = copysign (a[i], b[i]);
+
+  /* check results:  */
+  for (i = 0; i < N; i++)
+    if (r[i] != copysign (a[i], b[i]))
+      abort ();
+}

gcc/testsuite/gcc.target/i386/avx-copysignf-vec.c

+/* { dg-do run } */
+/* { dg-require-effective-target avx } */
+/* { dg-options "-O2 -ftree-vectorize -mavx" } */
+
+#include "avx-check.h"
+
+extern float copysignf (float, float);
+
+#define N 16
+
+float a[N] = {-0.1f,-3.2f,-6.3f,-9.4f,-12.5f,-15.6f,-18.7f,-21.8f,24.9f,27.1f,30.2f,33.3f,36.4f,39.5f,42.6f,45.7f};
+float b[N] = {-1.2f,3.4f,-5.6f,7.8f,-9.0f,1.0f,-2.0f,3.0f,-4.0f,-5.0f,6.0f,7.0f,-8.0f,-9.0f,10.0f,11.0f};
+float r[N];
+
+static void
+avx_test (void)
+{  
+  int i;
+
+  for (i = 0; i < N; i++)
+    r[i] = copysignf (a[i], b[i]);
+
+  /* check results:  */
+  for (i = 0; i < N; i++)
+    if (r[i] != copysignf (a[i], b[i]))
+      abort ();
+}