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-rw-r--r--gcc/testsuite/gcc.dg/vect/vect-93.c85
1 files changed, 85 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/vect/vect-93.c b/gcc/testsuite/gcc.dg/vect/vect-93.c
new file mode 100644
index 000000000..65403eb72
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/vect/vect-93.c
@@ -0,0 +1,85 @@
+/* { dg-require-effective-target vect_float } */
+
+#include <stdarg.h>
+#include "tree-vect.h"
+
+#define N 3001
+
+
+__attribute__ ((noinline))
+main1 (float *pa)
+{
+ int i;
+
+ for (i = 0; i < 3001; i++)
+ {
+ pa[i] = 2.0;
+ }
+
+ /* check results: */
+ for (i = 0; i < 3001; i++)
+ {
+ if (pa[i] != 2.0)
+ abort ();
+ }
+
+ for (i = 1; i <= 10; i++)
+ {
+ pa[i] = 3.0;
+ }
+
+ /* check results: */
+ for (i = 1; i <= 10; i++)
+ {
+ if (pa[i] != 3.0)
+ abort ();
+ }
+
+ return 0;
+}
+
+int main (void)
+{
+ int i;
+ float a[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
+ float b[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
+
+ check_vect ();
+
+ /* from bzip2: */
+ for (i=0; i<N; i++) b[i] = i;
+ a[0] = 0;
+ for (i = 1; i <= 256; i++) a[i] = b[i-1];
+
+ /* check results: */
+ for (i = 1; i <= 256; i++)
+ {
+ if (a[i] != i-1)
+ abort ();
+ }
+ if (a[0] != 0)
+ abort ();
+
+ main1 (a);
+
+ return 0;
+}
+
+/* 2 loops vectorized in main1, 2 loops vectorized in main:
+ the first loop in main requires vectorization of conversions,
+ the second loop in main requires vectorization of misaligned load. */
+
+/* main && main1 together: */
+/* { dg-final { scan-tree-dump-times "vectorized 2 loops" 2 "vect" { target powerpc*-*-* i?86-*-* x86_64-*-* } } } */
+/* { dg-final { scan-tree-dump-times "Alignment of access forced using peeling" 2 "vect" { target { vect_no_align && {! vector_alignment_reachable} } } } } */
+/* { dg-final { scan-tree-dump-times "Alignment of access forced using peeling" 3 "vect" { xfail { { vect_no_align } || { { ! vector_alignment_reachable} || vect_element_align } } } } } */
+
+/* in main1: */
+/* { dg-final { scan-tree-dump-times "vectorized 2 loops" 1 "vect" { target !powerpc*-*-* !i?86-*-* !x86_64-*-* } } } */
+/* { dg-final { scan-tree-dump-times "vectorized 2 loops" 1 "vect" { target vect_no_align } } } */
+
+/* in main: */
+/* { dg-final { scan-tree-dump-times "vectorized 0 loops" 1 "vect" { target vect_no_align } } } */
+/* { dg-final { scan-tree-dump-times "Vectorizing an unaligned access" 1 "vect" { xfail { vect_no_align } } } } */
+
+/* { dg-final { cleanup-tree-dump "vect" } } */