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authorupstream source tree <ports@midipix.org>2015-03-15 20:14:05 -0400
committerupstream source tree <ports@midipix.org>2015-03-15 20:14:05 -0400
commit554fd8c5195424bdbcabf5de30fdc183aba391bd (patch)
tree976dc5ab7fddf506dadce60ae936f43f58787092 /gcc/testsuite/gcc.dg/vect/vect-1.c
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Diffstat (limited to 'gcc/testsuite/gcc.dg/vect/vect-1.c')
-rw-r--r--gcc/testsuite/gcc.dg/vect/vect-1.c90
1 files changed, 90 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/vect/vect-1.c b/gcc/testsuite/gcc.dg/vect/vect-1.c
new file mode 100644
index 000000000..21975afa0
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/vect/vect-1.c
@@ -0,0 +1,90 @@
+/* { dg-do compile } */
+/* { dg-require-effective-target vect_int } */
+/* { dg-require-effective-target vect_float } */
+
+#define N 16
+
+void fbar (float *);
+void ibar (int *);
+void sbar (short *);
+
+/* multiple loops */
+
+foo (int n)
+{
+ float a[N+1];
+ float b[N];
+ float c[N];
+ float d[N];
+ int ia[N];
+ int ib[N];
+ int ic[N];
+ int i,j;
+ int diff = 0;
+ char cb[N];
+ char cc[N];
+ char image[N][N];
+ char block[N][N];
+
+ /* Vectorizable. */
+ diff = 0;
+ for (i = 0; i < N; i++) {
+ diff += (cb[i] - cc[i]);
+ }
+ ibar (&diff);
+
+
+ /* Vectorizable. */
+ diff = 0;
+ for (i = 0; i < N; i++) {
+ for (j = 0; j < N; j++) {
+ diff += (image[i][j] - block[i][j]);
+ }
+ }
+ ibar (&diff);
+
+
+ /* Vectorizable. */
+ for (i = 0; i < N; i++){
+ a[i] = b[i];
+ }
+ fbar (a);
+
+
+ /* Vectorizable. */
+ for (i = 0; i < N; i++){
+ a[i] = b[i] + c[i] + d[i];
+ }
+ fbar (a);
+
+
+ /* Strided access. Vectorizable on platforms that support load of strided
+ accesses (extract of even/odd vector elements). */
+ for (i = 0; i < N/2; i++){
+ a[i] = b[2*i+1] * c[2*i+1] - b[2*i] * c[2*i];
+ d[i] = b[2*i] * c[2*i+1] + b[2*i+1] * c[2*i];
+ }
+ fbar (a);
+
+
+ /* Vectorizable. */
+ for (i = 0; i < N; i++){
+ a[i] = b[i] + c[i];
+ d[i] = b[i] + c[i];
+ ia[i] = ib[i] + ic[i];
+ }
+ ibar (ia);
+ fbar (a);
+ fbar (d);
+
+ /* Not vetorizable yet (too conservative dependence test). */
+ for (i = 0; i < N; i++){
+ a[i] = b[i] + c[i];
+ a[i+1] = b[i] + c[i];
+ }
+ fbar (a);
+}
+
+/* { dg-final { scan-tree-dump-times "vectorized 6 loops" 1 "vect" { target vect_extract_even_odd_wide } } } */
+/* { dg-final { scan-tree-dump-times "vectorized 5 loops" 1 "vect" { xfail vect_extract_even_odd_wide } } } */
+/* { dg-final { cleanup-tree-dump "vect" } } */