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-rw-r--r--gcc/testsuite/gcc.dg/tree-ssa-vect/tree-ssa-vect-6.c71
1 files changed, 71 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/tree-ssa-vect/tree-ssa-vect-6.c b/gcc/testsuite/gcc.dg/tree-ssa-vect/tree-ssa-vect-6.c
new file mode 100644
index 00000000000..3a40503e1ff
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/tree-ssa-vect/tree-ssa-vect-6.c
@@ -0,0 +1,71 @@
+/* { dg-do run { target powerpc*-*-* } } */
+/* { dg-do compile { target i?86-*-* } } */
+/* { dg-options "-O2 -ftree-vectorize -fdump-tree-vect-stats -maltivec" { target powerpc*-*-* } } */
+/* { dg-options "-O2 -ftree-vectorize -fdump-tree-vect-stats -msse2" { target i?86-*-* } } */
+
+#include <stdarg.h>
+#include <signal.h>
+
+#define N 16
+
+float results1[N] = {192.00,240.00,288.00,336.00,384.00,432.00,480.00,528.00,0.00};
+float results2[N] = {0.00,0.00,0.00,0.00,0.00,0.00,0.00,0.00,0.00,54.00,120.00,198.00,288.00,390.00,504.00,630.00};
+
+int main1 ()
+{
+ int i;
+ float a[N] = {0};
+ float e[N] = {0};
+ float b[N] = {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45};
+ float c[N] = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15};
+
+ for (i = 0; i < N/2; i++)
+ {
+ a[i] = b[i+N/2] * c[i+N/2] - b[i] * c[i];
+ e[i+N/2] = b[i] * c[i+N/2] + b[i+N/2] * c[i];
+ }
+
+ for (i=0; i<N; i++)
+ {
+ if (a[i] != results1[i] || e[i] != results2[i])
+ abort();
+ }
+
+ /* check results: */
+
+ for (i = 1; i <=N-4; i++)
+ {
+ a[i+3] = b[i-1];
+ }
+
+ /* check results: */
+ for (i = 1; i <=N-4; i++)
+ {
+ if (a[i+3] != b[i-1])
+ abort ();
+ }
+
+ return 0;
+}
+
+void
+sig_ill_handler (int sig)
+{
+ exit(0);
+}
+
+int main (void)
+{
+ /* Exit on systems without altivec. */
+ signal (SIGILL, sig_ill_handler);
+ /* Altivec instruction, 'vor %v0,%v0,%v0'. */
+ asm volatile (".long 0x10000484");
+ signal (SIGILL, SIG_DFL);
+
+ return main1 ();
+}
+
+
+/* { dg-final { scan-tree-dump-times "vectorized 2 loops" 1 "vect" } } */
+
+